Airworthiness Directives; Empresa Brasileira de Aeronautica S.A. (EMBRAER) Airplanes, 64785-64788 [2011-26718]

Download as PDF Federal Register / Vol. 76, No. 202 / Wednesday, October 19, 2011 / Rules and Regulations reference at the National Archives and Records Administration (NARA). For information on the availability of this material at NARA, call 202–741–6030, or go to: https://www.archives.gov/federal_register/ code_of_federal_regulations/ ibr_locations.html. Issued in Renton, Washington, on October 3, 2011. Ali Bahrami, Manager, Transport Airplane Directorate, Aircraft Certification Service. [FR Doc. 2011–26257 Filed 10–18–11; 8:45 am] BILLING CODE 4910–13–P DEPARTMENT OF TRANSPORTATION Federal Aviation Administration 14 CFR Part 39s [Docket No. FAA–2011–0312; Directorate Identifier 2010–NM–159–AD; Amendment 39–16838; AD 2011–21–15] RIN 2120–AA64 www.regulations.gov or in person at the U.S. Department of Transportation, Docket Operations, M–30, West Building Ground Floor, Room W12–140, 1200 New Jersey Avenue, SE., Washington, DC. FOR FURTHER INFORMATION CONTACT: Todd Thompson, Aerospace Engineer, International Branch, ANM–116, Transport Airplane Directorate, FAA, 1601 Lind Avenue, SW., Renton, Washington 98057–3356; telephone (425) 227–1175; fax (425) 227–1149. SUPPLEMENTARY INFORMATION: Discussion We issued a notice of proposed rulemaking (NPRM) to amend 14 CFR part 39 to include an AD that would apply to the specified products. That NPRM was published in the Federal Register on April 19, 2011 (76 FR 21822). That NPRM proposed to correct an unsafe condition for the specified products. The MCAI states: This [Brazilian] AD results from reports of cracking in the firewall of the auxiliary power unit (APU). This AD is being issued to detect and correct this cracking, which could result in reduced structural integrity of the fuselage and empennage in the event that a fire penetrates through the firewall of the APU. Airworthiness Directives; Empresa Brasileira de Aeronautica S.A. (EMBRAER) Airplanes Federal Aviation Administration (FAA), Department of Transportation (DOT). ACTION: Final rule. AGENCY: * * * * * We are adopting a new airworthiness directive (AD) for certain Model EMB–135ER, –135KE, –135KL, and –135LR airplanes; and Model EMB– 145, –145ER, –145MR, –145LR, –145MP, and –145EP airplanes. This AD results from mandatory continuing airworthiness information (MCAI) originated by an aviation authority of another country to identify and correct an unsafe condition on an aviation product. The MCAI describes the unsafe condition as: The required actions include repetitive detailed inspections for cracking of the rearward and forward face of the APU firewall, and repair if necessary. You may obtain further information by examining the MCAI in the AD docket. This [Brazilian] AD results from reports of cracking in the firewall of the auxiliary power unit (APU). This AD is being issued to detect and correct this cracking, which could result in reduced structural integrity of the fuselage and empennage in the event that a fire penetrates through the firewall of the APU. EMBRAER and ExpressJet Airlines requested that we reference EMBRAER Service Bulletin 145–53–0062, Revision 07, dated May 27, 2011, in the NPRM (76 FR 21822, April 19, 2011) as it is the most current. We agree that the latest service information should be referenced in this AD. We have changed references in paragraphs (h) and (l) of this AD to include EMBRAER Service Bulletin 145–53–0062, Revision 07, dated May 27, 2011. The effectivity of Revision 07 was changed to add serial numbers that were inadvertently omitted in EMBRAER Service Bulletin 145–53– 0062, Revision 06, dated August 11, 2010. (The applicability of this final rule remains unchanged.) In addition, we have added EMBRAER Service Bulletin SUMMARY: sroberts on DSK5SPTVN1PROD with RULES * * * * * We are issuing this AD to require actions to correct the unsafe condition on these products. DATES: This AD becomes effective November 23, 2011. The Director of the Federal Register approved the incorporation by reference of certain publications listed in this AD as of November 23, 2011. ADDRESSES: You may examine the AD docket on the Internet at https:// VerDate Mar<15>2010 15:51 Oct 18, 2011 Jkt 223001 Comments We gave the public the opportunity to participate in developing this AD. We considered the comments received. Request To Reference Latest Revision of Embraer Service Bulletin 145–53–0062 PO 00000 Frm 00005 Fmt 4700 Sfmt 4700 64785 145–53–0062, Revision 06, dated August 11, 2010, to ‘‘Table 1—Credit Service Bulletins’’ of this AD. Request To Remove Date and Revision Level of the Airplane Maintenance Manual (AMM) or Allow for Later Revisions American Eagle Airlines requested that we remove the date and revision level of the AMM specified in paragraph (g) of the NPRM (76 FR 21822, April 19, 2011), or allow for future revisions to the AMM. The commenter noted that if either of the AMM sections is updated by the manufacturer, the operators would be required to accomplish an obsolete task. We disagree with removing the date and revision level of the AMM because all documents incorporated by reference are required to have the date and revision level in accordance with the Office of the Federal Register regulations for approval of materials ‘‘incorporated by reference’’ in rules. See 1 CFR 51.1(f). We also disagree with allowing the use of ‘‘future’’ revisions to the AMM. When referring to a specific service document in an AD, using the phrase, ‘‘or later FAA-approved revisions,’’ violates Office of the Federal Register regulations for approval of materials ‘‘incorporated by reference’’ in rules. See 1 CFR 51.1(f). In general terms, we are required by these OFR regulations to either publish the service document contents as part of the actual AD language; or submit the service document to the OFR for approval as ‘‘referenced’’ material, in which case we may only refer to such material in the text of an AD. The AD may refer to the service document only if the OFR approved it for ‘‘incorporation by reference.’’ See 1 CFR part 51. However, because a later revision of the AMM has been issued since the NPRM (76 FR 21822, April 19, 2011) was published, we have revised paragraphs (g) and (l), and Note 2 of this AD to refer to EMBRAER EMB145 Aircraft Maintenance Manual, Part II, AMM–145/1124, Revision 54, dated April 28, 2011. We have also added new paragraph (i) (and re-identified subsequent paragraphs accordingly) to this AD to give credit for EMBRAER EMB145 Aircraft Maintenance Manual, Part II, AMM–145/1124, Revision 53, dated October 28, 2010, which was referenced as the appropriate source of service information for certain actions specified in the NPRM. However, operators may request approval of an AMOC to use later revisions of this AMM under the provisions of paragraph (k) of this AD. No changes have been made to the AD in this regard. E:\FR\FM\19OCR1.SGM 19OCR1 64786 Federal Register / Vol. 76, No. 202 / Wednesday, October 19, 2011 / Rules and Regulations Request To Change the Initial Compliance Time ExpressJet Airlines requested that we change the initial compliance time from 3,300 flight hours to ‘‘5,000 flight hours or at the next heavy maintenance visit.’’ The commenter stated that its experience with repairing and replacing APU firewalls can be a very time consuming process which would be better suited for a heavy check. We disagree with the commenter’s request to extend the compliance time. In developing an appropriate compliance time for this action, we considered the safety implications, parts availability, and normal maintenance schedules for the timely accomplishment of the inspection. In consideration of these items, as well as the reports of cracking in the firewall of the APU, we have determined that the initial compliance time of 3,300 flight hours will ensure an acceptable level of safety. However, operators may request approval of an AMOC under the provisions of paragraph (k) of this AD. No changes have been made to the AD in this regard. Conclusion We reviewed the available data, including the comments received, and determined that air safety and the public interest require adopting the AD with the changes described previously. We determined that these changes will not increase the economic burden on any operator or increase the scope of the AD. Differences Between This AD and the MCAI or Service Information We have reviewed the MCAI and related service information and, in general, agree with their substance. But we might have found it necessary to use different words from those in the MCAI to ensure the AD is clear for U.S. operators and is enforceable. In making these changes, we do not intend to differ substantively from the information provided in the MCAI and related service information. We might also have required different actions in this AD from those in the MCAI in order to follow our FAA policies. Any such differences are highlighted in a NOTE within the AD. sroberts on DSK5SPTVN1PROD with RULES Costs of Compliance We estimate that this AD will affect 668 products of U.S. registry. We also estimate that it will take about 2 workhours per product to comply with the basic requirements of this AD. The average labor rate is $85 per work-hour. Based on these figures, we estimate the VerDate Mar<15>2010 15:51 Oct 18, 2011 Jkt 223001 cost of this AD to the U.S. operators to be $113,560, or $170 per product. In addition, we estimate that any necessary follow-on actions would take about 10 work-hours and require parts costing $10,060 for a cost of $10,910 per product. We have no way of determining the number of products that may need these actions. Authority for This Rulemaking Title 49 of the United States Code specifies the FAA’s authority to issue rules on aviation safety. Subtitle I, section 106, describes the authority of the FAA Administrator. ‘‘Subtitle VII: Aviation Programs,’’ describes in more detail the scope of the Agency’s authority. We are issuing this rulemaking under the authority described in ‘‘Subtitle VII, Part A, Subpart III, Section 44701: General requirements.’’ Under that section, Congress charges the FAA with promoting safe flight of civil aircraft in air commerce by prescribing regulations for practices, methods, and procedures the Administrator finds necessary for safety in air commerce. This regulation is within the scope of that authority because it addresses an unsafe condition that is likely to exist or develop on products identified in this rulemaking action. Regulatory Findings We determined that this AD will not have federalism implications under Executive Order 13132. This AD will not have a substantial direct effect on the States, on the relationship between the national government and the States, or on the distribution of power and responsibilities among the various levels of government. For the reasons discussed above, I certify this AD: 1. Is not a ‘‘significant regulatory action’’ under Executive Order 12866; 2. Is not a ’’significant rule’’ under the DOT Regulatory Policies and Procedures (44 FR 11034, February 26, 1979); and 3. Will not have a significant economic impact, positive or negative, on a substantial number of small entities under the criteria of the Regulatory Flexibility Act. We prepared a regulatory evaluation of the estimated costs to comply with this AD and placed it in the AD docket. Examining the AD Docket You may examine the AD docket on the Internet at https:// www.regulations.gov; or in person at the Docket Operations office between 9 a.m. and 5 p.m., Monday through Friday, except Federal holidays. The AD docket contains the NPRM (76 FR 21822, April PO 00000 Frm 00006 Fmt 4700 Sfmt 4700 19, 2011), the regulatory evaluation, any comments received, and other information. The street address for the Docket Operations office (telephone (800) 647–5527) is in the ADDRESSES section. Comments will be available in the AD docket shortly after receipt. List of Subjects in 14 CFR Part 39 Air transportation, Aircraft, Aviation safety, Incorporation by reference, Safety. Adoption of the Amendment Accordingly, under the authority delegated to me by the Administrator, the FAA amends 14 CFR part 39 as follows: PART 39—AIRWORTHINESS DIRECTIVES 1. The authority citation for part 39 continues to read as follows: ■ Authority: 49 U.S.C. 106(g), 40113, 44701. § 39.13 [Amended] 2. The FAA amends § 39.13 by adding the following new AD: ■ 2011–21–15 Empresa Brasileira de Aeronautica S.A. (EMBRAER): Amendment 39–16838. Docket No. FAA–2011–0312; Directorate Identifier 2010–NM–159–AD. Effective Date (a) This airworthiness directive (AD) becomes effective November 23, 2011. Affected ADs (b) None. Applicability (c) This AD applies to Empresa Brasileira de Aeronautica S.A. (EMBRAER) Model EMB–135ER, –135KE, –135KL, and –135LR airplanes; and Model EMB–145, –145ER, –145MR, –145LR, –145MP, and –145EP airplanes; certificated in any category; equipped with titanium auxiliary power unit (APU) firewall part number (P/N) 145– 47494–401, 145–26850–401, 145–26850–601, or 145–47494–403. Subject (d) Air Transport Association (ATA) of America Code 53: Fuselage. Reason (e) The mandatory continuing airworthiness information (MCAI) states: This [Brazilian] AD results from reports of cracking in the firewall of the auxiliary power unit (APU). This AD is being issued to detect and correct this cracking, which could result in reduced structural integrity of the fuselage and empennage in the event that a fire penetrates through the firewall of the APU. * * * * * Compliance (f) You are responsible for having the actions required by this AD performed within E:\FR\FM\19OCR1.SGM 19OCR1 Federal Register / Vol. 76, No. 202 / Wednesday, October 19, 2011 / Rules and Regulations the compliance times specified, unless the actions have already been done. Actions (g) Within 3,300 flight hours after the effective date of this AD, do a detailed inspection for cracking of the rearward and forward face of the APU firewall, including its attachment to the fuselage, removing neither the structural reinforcements nor the dampers, in accordance with Task 05–20–47– 200–801–A, Rear Fuselage II—Aft of Rear Pressure Bulkhead—Internal General Visual Inspection, of Subject 5–20–47, Rear Fuselage II—Aft of Rear Pressure Bulkhead—Internal, and Task 05–20–57–200–801–A, Rear Fuselage II—Tail Cone Fairing—Internal General Visual Inspection, of Subject 5–20– 57, Rear Fuselage II—Tail Cone Fairing— Internal, of Chapter 5, Time Limits Maintenance Checks, of EMBRAER EMB145 Aircraft Maintenance Manual, Part II, AMM– 145/1124, Revision 54, dated April 28, 2011. (1) If no cracking is found during any inspection required by paragraph (g) of this AD, repeat the inspection thereafter at intervals not to exceed 6,600 flight hours, until the terminating action specified in paragraph (h) of this AD has been accomplished. (2) If any cracking is found during any inspection required by paragraph (g) of this AD, before further flight, repair in accordance with Subject 53–32–13, Rear Fuselage II— APU Firewall, of Chapter 53, Fuselage, of the EMBRAER EMB135, ERJ140, EMB145, Structural Repair Manual, SRM–145/1142, Revision 43, dated December 1, 2010; or in accordance with a method approved by the International Branch, ANM–116, Transport ˆ Airplane Directorate, FAA; or Agencia Nacional de Aviacao Civil (ANAC) (or its ¸˜ delegated agent). Within 6,600 flight hours after doing the repair, do the inspection required by paragraph (g) of this AD and repeat the inspection thereafter at intervals not to exceed 6,600 flight hours, until the terminating action specified in paragraph (h) of this AD has been accomplished. Note 1: For the purpose of this AD, a detailed inspection is: ‘‘An intensive examination of a specific item, installation or assembly to detect damage, failure or irregularity. Available lighting is normally supplemented with a direct source of good lighting at an intensity deemed appropriate. Inspection aids such as mirrors, magnifying lenses, etc., may be necessary. Surface cleaning and elaborate access procedures may be required.’’ Optional Terminating Action (h) Replacing the APU firewall having P/N 145–47494–401, 145–26850–401, 145– 64787 26850–601, or 145–47494–403, with a new APU firewall having P/N 145–47494–607, in accordance with the Accomplishment Instructions of EMBRAER Service Bulletin 145–53–0062, Revision 07, dated May 27, 2011, terminates the repetitive inspections required by paragraphs (g)(1) and (g)(2) of this AD. Credit for Actions Accomplished in Accordance With Previous Service Information (i) Actions done before the effective date of this AD, in accordance with Task 05–20–47– 200–801–A, Rear Fuselage II—Aft of Rear Pressure Bulkhead—Internal General Visual Inspection, of Subject 5–20–47, Rear Fuselage II—Aft of Rear Pressure Bulkhead—Internal, of Chapter 5, Time Limits Maintenance Checks, of EMBRAER EMB145 Aircraft Maintenance Manual, Part II, AMM–145/ 1124, Revision 53, dated October 28, 2010, are acceptable for compliance with the requirements of paragraph (g) of this AD. (j) Actions done before the effective date of this AD, in accordance with the applicable service bulletin specified in table 1 of this AD, are acceptable for compliance with the requirements of paragraph (h) of this AD. TABLE 1—CREDIT SERVICE BULLETINS EMBRAER Service Bulletin— Revision— Dated— 145–53–0062 145–53–0062 145–53–0062 145–53–0062 145–53–0062 145–53–0062 145–53–0062 06 05 04 03 02 01 ........................ August 11, 2010. May 20, 2008. November 23, 2007. September 21, 2007. January 25, 2006. October 28, 2005. July 29, 2005. ...................................................................................................................................... ...................................................................................................................................... ...................................................................................................................................... ...................................................................................................................................... ...................................................................................................................................... ...................................................................................................................................... ...................................................................................................................................... sroberts on DSK5SPTVN1PROD with RULES FAA AD Differences Note 2: This AD differs from the MCAI and/or service information as follows: (1) The MCAI AD does not specify how to do the inspection for cracking. This AD requires doing a detailed inspection of the rearward and forward face of the APU firewall, including its attachment to the fuselage, in accordance with Task 05–20–47– 200–801–A, Rear Fuselage II—Aft of Rear Pressure Bulkhead—Internal General Visual Inspection, of Subject 5–20–47, Rear Fuselage II—Aft of Rear Pressure Bulkhead—Internal, and Task 05–20–57–200–801–A, Rear Fuselage II—Tail Cone Fairing—Internal General Visual Inspection, of Subject 5–20– 57, Rear Fuselage II—Tail Cone Fairing— Internal, of Chapter 5, Time Limits Maintenance Checks, of EMBRAER EMB145 Aircraft Maintenance Manual, Part II, AMM– 145/1124, Revision 54, dated April 28, 2011. (2) Where Subjects 5–20–47, Rear Fuselage II—Aft of Rear Pressure Bulkhead—Internal, and 5–20–57, Rear Fuselage II—Tail Cone Fairing—Internal, of Chapter 5, Time Limits Maintenance Checks, of EMBRAER EMB145 Aircraft Maintenance Manual, Part II, AMM– 145/1124, Revision 54, dated April 28, 2011, VerDate Mar<15>2010 15:51 Oct 18, 2011 Jkt 223001 specify an internal general visual inspection, this AD requires a detailed inspection. Other FAA AD Provisions (k) The following provisions also apply to this AD: (1) Alternative Methods of Compliance (AMOCs): The Manager, International Branch, ANM–116, Transport Airplane Directorate, FAA, has the authority to approve AMOCs for this AD, if requested using the procedures found in 14 CFR 39.19. In accordance with 14 CFR 39.19, send your request to your principal inspector or local Flight Standards District Office, as appropriate. If sending information directly to the International Branch, send it to ATTN: Todd Thompson, Aerospace Engineer, International Branch, ANM–116, Transport Airplane Directorate, FAA, 1601 Lind Avenue, SW., Renton, Washington 98057– 3356; telephone (425) 227–1175; fax (425) 227–1149. Information may be e-mailed to: 9ANM-116-AMOC-REQUESTS@faa.gov. Before using any approved AMOC, notify your appropriate principal inspector, or lacking a principal inspector, the manager of the local flight standards district office/ certificate holding district office. The AMOC PO 00000 Frm 00007 Fmt 4700 Sfmt 4700 approval letter must specifically reference this AD. (2) Airworthy Product: For any requirement in this AD to obtain corrective actions from a manufacturer or other source, use these actions if they are FAA-approved. Corrective actions are considered FAA-approved if they are approved by the State of Design Authority (or their delegated agent). You are required to assure the product is airworthy before it is returned to service. Related Information (l) Refer to MCAI ANAC Airworthiness Directive 2010–06–03R1, dated September 20, 2010; EMBRAER Service Bulletin 145– 53–0062, Revision 07, dated May 27, 2011; Task 05–20–47–200–801–A, Rear Fuselage II—Aft of Rear Pressure Bulkhead—Internal General Visual Inspection, of Subject 5–20– 47, Rear Fuselage II—Aft of Rear Pressure Bulkhead—Internal, and Task 05–20–57– 200–801–A, Rear Fuselage II—Tail Cone Fairing—Internal General Visual Inspection, of Subject 5–20–57, Rear Fuselage II—Tail Cone Fairing—Internal, of Chapter 5, Time Limits Maintenance Checks, of EMBRAER EMB145 Aircraft Maintenance Manual, Part II, AMM–145/1124, Revision 54, dated April 28, 2011; and Subject 53–32–13, Rear E:\FR\FM\19OCR1.SGM 19OCR1 64788 Federal Register / Vol. 76, No. 202 / Wednesday, October 19, 2011 / Rules and Regulations Issued in Renton, Washington, on October 3, 2011. Ali Bahrami, Manager, Transport Airplane Directorate, Aircraft Certification Service. Material Incorporated by Reference sroberts on DSK5SPTVN1PROD with RULES Fuselage II—APU Firewall, of Chapter 53, Fuselage, of the EMBRAER EMB135, ERJ140, EMB145, Structural Repair Manual, SRM– 145/1142, Revision 43, dated December 1, 2010; for related information. [FR Doc. 2011–26718 Filed 10–18–11; 8:45 am] (m) You must use Task 05–20–47–200– 801–A, Rear Fuselage II—Aft of Rear Pressure Bulkhead—Internal General Visual Inspection, of Subject 5–20–47, Rear Fuselage II—Aft of Rear Pressure Bulkhead—Internal, and Task 05–20–57–200–801–A, Rear Fuselage II—Tail Cone Fairing—Internal General Visual Inspection, of Subject 5–20– 57, Rear Fuselage II—Tail Cone Fairing— Internal, of Chapter 5, Time Limits Maintenance Checks, of EMBRAER EMB145 Aircraft Maintenance Manual, Part II, AMM– 145/1124, Revision 54, dated April 28, 2011; and Subject 53–32–13, Rear Fuselage II— APU Firewall, of Chapter 53, Fuselage, of the EMBRAER EMB135, ERJ140, EMB145, Structural Repair Manual, SRM–145/1142, Revision 43, dated December 1, 2010; to do the actions required by this AD, unless the AD specifies otherwise. If you accomplish the optional terminating action specified in this AD, you must use EMBRAER Service Bulletin 145–53–0062, Revision 07, dated May 27, 2011, to do those actions, unless the AD specifies otherwise. The revision level of the EMBRAER EMB145 Aircraft Maintenance Manual AMM–145/1124 is specified on only the title page and Chapter 5 List of Effective Pages of this document; the Chapter 5 title page of this document does not contain a revision level or date. The revision level of the EMBRAER EMB135, ERJ140, EMB145, Structural Repair Manual SRM–145/1142 is specified on only the title page and Chapter 53 List of Effective pages of this document; the Chapter 53 title page does not contain a revision level or date. (1) The Director of the Federal Register approved the incorporation by reference of this service information under 5 U.S.C. 552(a) and 1 CFR part 51. (2) For service information identified in this AD, contact Empresa Brasileira de Aeronautica S.A. (EMBRAER), Technical Publications Section (PC 060), Av. Brigadeiro ˜ Faria Lima, 2170—Putim—12227–901 Sao Jose dos Campos—SP—BRASIL; telephone +55 12 3927–5852 or +55 12 3309–0732; fax +55 12 3927–7546; e-mail distrib@embraer.com.br; Internet: https:// www.flyembraer.com. (3) You may review copies of the service information at the FAA, Transport Airplane Directorate, 1601 Lind Avenue, SW., Renton, Washington. For information on the availability of this material at the FAA, call 425–227–1221. (4) You may also review copies of the service information that is incorporated by reference at the National Archives and Records Administration (NARA). For information on the availability of this material at NARA, call 202–741–6030, or go to: https://www.archives.gov/federal_register/ code_of_federal_regulations/ ibr_locations.html. BILLING CODE 4910–13–P VerDate Mar<15>2010 15:51 Oct 18, 2011 Jkt 223001 DEPARTMENT OF TRANSPORTATION Federal Aviation Administration 14 CFR Part 39 [Docket No. FAA–2011–0306; Directorate Identifier 2010–NM–176–AD; Amendment 39–16829; AD 2011–21–06] RIN 2120–AA64 Airworthiness Directives; BAE SYSTEMS (Operations) Limited Model 4101 Airplanes Federal Aviation Administration (FAA), Department of Transportation (DOT). ACTION: Final rule. AGENCY: We are superseding an existing airworthiness directive (AD) that applies to the products listed above. This AD results from mandatory continuing airworthiness information (MCAI) originated by an aviation authority of another country to identify and correct an unsafe condition on an aviation product. The MCAI describes the unsafe condition as: SUMMARY: * * * BAE Systems (Operations) Ltd has issued Revision 33 of the AMM [airplane maintenance manual] to amend Chapter 05– 10–10 by adding one new Structurally Significant Item (SSI) and increasing the repeat inspection period on another SSI. Failure to comply with this revision constitutes an unsafe condition. * * * * * The unsafe condition is failure of certain structurally significant items, including the main landing gear and the nose landing gear, which could result in reduced structural integrity of the airplane; and fuel vapor ignition sources, which could result in a fuel tank explosion and consequent loss of the airplane. We are issuing this AD to require actions to correct the unsafe condition on these products. DATES: This AD becomes effective November 23, 2011. The Director of the Federal Register approved the incorporation by reference of certain publications listed in this AD as of November 23, 2011. The Director of the Federal Register previously approved the incorporation by reference of certain other publications listed in this AD as of June 11, 2009 (74 FR 21246, May 7, 2009). PO 00000 Frm 00008 Fmt 4700 Sfmt 4700 You may examine the AD docket on the Internet at https:// www.regulations.gov or in person at the U.S. Department of Transportation, Docket Operations, M–30, West Building Ground Floor, Room W12–140, 1200 New Jersey Avenue, SE., Washington, DC. FOR FURTHER INFORMATION CONTACT: Todd Thompson, Aerospace Engineer, International Branch, ANM–116, Transport Airplane Directorate, FAA, 1601 Lind Avenue, SW., Renton, Washington 98057–3356; telephone (425) 227–1175; fax (425) 227–1149. SUPPLEMENTARY INFORMATION: ADDRESSES: Discussion We issued a notice of proposed rulemaking (NPRM) to amend 14 CFR part 39 to include an AD that would apply to the specified products. That NPRM was published in the Federal Register on April 8, 2011 (76 FR 19716), and proposed to supersede AD 2009– 10–02, Amendment 39–15897 (74 FR 21246, May 7, 2009). That NPRM proposed to correct an unsafe condition for the specified products. The MCAI states: The Jetstream J41 Aircraft Maintenance Manual (AMM), includes the following chapters: —05–10–10 ‘‘Airworthiness Limitations’’, —05–10–20 ‘‘Certification Maintenance Requirements’’, and, —05–10–30 ‘‘Critical Design Configuration Control Limitations (CDCCL)—Fuel System.’’ Compliance with these chapters has been identified as mandatory actions for continued airworthiness and EASA AD 2009–0052 was issued to require operators to comply with those instructions. Since the issuance of that AD, BAE Systems (Operations) Ltd has issued Revision 33 of the AMM to amend Chapter 05–10–10 by adding one new Structurally Significant Item (SSI) and increasing the repeat inspection period on another SSI. Failure to comply with this revision constitutes an unsafe condition. For the reasons described above, this [EASA] AD, which supersedes EASA AD 2009–0052, requires the implementation of the new or more restrictive maintenance requirements and/or airworthiness limitations as specified in the defined parts of Chapter 05 of the AMM at Revision 33. The unsafe condition is failure of certain structurally significant items, including the main landing gear and the nose landing gear, which could result in reduced structural integrity of the airplane; and fuel vapor ignition sources, which could result in a fuel tank explosion and consequent loss of the airplane. You may obtain further information by examining the MCAI in the AD docket. E:\FR\FM\19OCR1.SGM 19OCR1

Agencies

[Federal Register Volume 76, Number 202 (Wednesday, October 19, 2011)]
[Rules and Regulations]
[Pages 64785-64788]
From the Federal Register Online via the Government Printing Office [www.gpo.gov]
[FR Doc No: 2011-26718]

-----------------------------------------------------------------------

DEPARTMENT OF TRANSPORTATION

Federal Aviation Administration

14 CFR Part 39s

[Docket No. FAA-2011-0312; Directorate Identifier 2010-NM-159-AD;
Amendment 39-16838; AD 2011-21-15]
RIN 2120-AA64

Airworthiness Directives; Empresa Brasileira de Aeronautica S.A.
(EMBRAER) Airplanes

AGENCY: Federal Aviation Administration (FAA), Department of
Transportation (DOT).

ACTION: Final rule.

-----------------------------------------------------------------------

SUMMARY: We are adopting a new airworthiness directive (AD) for certain
Model EMB-135ER, -135KE, -135KL, and -135LR airplanes; and Model EMB-
145, -145ER, -145MR, -145LR, -145MP, and -145EP airplanes. This AD
results from mandatory continuing airworthiness information (MCAI)
originated by an aviation authority of another country to identify and
correct an unsafe condition on an aviation product. The MCAI describes
the unsafe condition as:

This [Brazilian] AD results from reports of cracking in the
firewall of the auxiliary power unit (APU). This AD is being issued
to detect and correct this cracking, which could result in reduced
structural integrity of the fuselage and empennage in the event that
a fire penetrates through the firewall of the APU.
* * * * *

We are issuing this AD to require actions to correct the unsafe
condition on these products.

DATES: This AD becomes effective November 23, 2011.
The Director of the Federal Register approved the incorporation by
reference of certain publications listed in this AD as of November 23,
2011.

ADDRESSES: You may examine the AD docket on the Internet at https://www.regulations.gov or in person at the U.S. Department of
Transportation, Docket Operations, M-30, West Building Ground Floor,
Room W12-140, 1200 New Jersey Avenue, SE., Washington, DC.

FOR FURTHER INFORMATION CONTACT: Todd Thompson, Aerospace Engineer,
International Branch, ANM-116, Transport Airplane Directorate, FAA,
1601 Lind Avenue, SW., Renton, Washington 98057-3356; telephone (425)
227-1175; fax (425) 227-1149.

SUPPLEMENTARY INFORMATION:

Discussion

We issued a notice of proposed rulemaking (NPRM) to amend 14 CFR
part 39 to include an AD that would apply to the specified products.
That NPRM was published in the Federal Register on April 19, 2011 (76
FR 21822). That NPRM proposed to correct an unsafe condition for the
specified products. The MCAI states:

The required actions include repetitive detailed inspections for
cracking of the rearward and forward face of the APU firewall, and
repair if necessary. You may obtain further information by examining
the MCAI in the AD docket.

Comments

We gave the public the opportunity to participate in developing
this AD. We considered the comments received.

Request To Reference Latest Revision of Embraer Service Bulletin 145-
53-0062

EMBRAER and ExpressJet Airlines requested that we reference EMBRAER
Service Bulletin 145-53-0062, Revision 07, dated May 27, 2011, in the
NPRM (76 FR 21822, April 19, 2011) as it is the most current.
We agree that the latest service information should be referenced
in this AD. We have changed references in paragraphs (h) and (l) of
this AD to include EMBRAER Service Bulletin 145-53-0062, Revision 07,
dated May 27, 2011. The effectivity of Revision 07 was changed to add
serial numbers that were inadvertently omitted in EMBRAER Service
Bulletin 145-53-0062, Revision 06, dated August 11, 2010. (The
applicability of this final rule remains unchanged.) In addition, we
have added EMBRAER Service Bulletin 145-53-0062, Revision 06, dated
August 11, 2010, to ``Table 1--Credit Service Bulletins'' of this AD.

Request To Remove Date and Revision Level of the Airplane Maintenance
Manual (AMM) or Allow for Later Revisions

American Eagle Airlines requested that we remove the date and
revision level of the AMM specified in paragraph (g) of the NPRM (76 FR
21822, April 19, 2011), or allow for future revisions to the AMM. The
commenter noted that if either of the AMM sections is updated by the
manufacturer, the operators would be required to accomplish an obsolete
task.
We disagree with removing the date and revision level of the AMM
because all documents incorporated by reference are required to have
the date and revision level in accordance with the Office of the
Federal Register regulations for approval of materials ``incorporated
by reference'' in rules. See 1 CFR 51.1(f). We also disagree with
allowing the use of ``future'' revisions to the AMM. When referring to
a specific service document in an AD, using the phrase, ``or later FAA-
approved revisions,'' violates Office of the Federal Register
regulations for approval of materials ``incorporated by reference'' in
rules. See 1 CFR 51.1(f). In general terms, we are required by these
OFR regulations to either publish the service document contents as part
of the actual AD language; or submit the service document to the OFR
for approval as ``referenced'' material, in which case we may only
refer to such material in the text of an AD. The AD may refer to the
service document only if the OFR approved it for ``incorporation by
reference.'' See 1 CFR part 51.
However, because a later revision of the AMM has been issued since
the NPRM (76 FR 21822, April 19, 2011) was published, we have revised
paragraphs (g) and (l), and Note 2 of this AD to refer to EMBRAER
EMB145 Aircraft Maintenance Manual, Part II, AMM-145/1124, Revision 54,
dated April 28, 2011. We have also added new paragraph (i) (and re-
identified subsequent paragraphs accordingly) to this AD to give credit
for EMBRAER EMB145 Aircraft Maintenance Manual, Part II, AMM-145/1124,
Revision 53, dated October 28, 2010, which was referenced as the
appropriate source of service information for certain actions specified
in the NPRM. However, operators may request approval of an AMOC to use
later revisions of this AMM under the provisions of paragraph (k) of
this AD. No changes have been made to the AD in this regard.

[[Page 64786]]

Request To Change the Initial Compliance Time

ExpressJet Airlines requested that we change the initial compliance
time from 3,300 flight hours to ``5,000 flight hours or at the next
heavy maintenance visit.'' The commenter stated that its experience
with repairing and replacing APU firewalls can be a very time consuming
process which would be better suited for a heavy check.
We disagree with the commenter's request to extend the compliance
time. In developing an appropriate compliance time for this action, we
considered the safety implications, parts availability, and normal
maintenance schedules for the timely accomplishment of the inspection.
In consideration of these items, as well as the reports of cracking in
the firewall of the APU, we have determined that the initial compliance
time of 3,300 flight hours will ensure an acceptable level of safety.
However, operators may request approval of an AMOC under the provisions
of paragraph (k) of this AD. No changes have been made to the AD in
this regard.

Conclusion

We reviewed the available data, including the comments received,
and determined that air safety and the public interest require adopting
the AD with the changes described previously. We determined that these
changes will not increase the economic burden on any operator or
increase the scope of the AD.

Differences Between This AD and the MCAI or Service Information

We have reviewed the MCAI and related service information and, in
general, agree with their substance. But we might have found it
necessary to use different words from those in the MCAI to ensure the
AD is clear for U.S. operators and is enforceable. In making these
changes, we do not intend to differ substantively from the information
provided in the MCAI and related service information.
We might also have required different actions in this AD from those
in the MCAI in order to follow our FAA policies. Any such differences
are highlighted in a NOTE within the AD.

Costs of Compliance

We estimate that this AD will affect 668 products of U.S. registry.
We also estimate that it will take about 2 work-hours per product to
comply with the basic requirements of this AD. The average labor rate
is $85 per work-hour. Based on these figures, we estimate the cost of
this AD to the U.S. operators to be $113,560, or $170 per product.
In addition, we estimate that any necessary follow-on actions would
take about 10 work-hours and require parts costing $10,060 for a cost
of $10,910 per product. We have no way of determining the number of
products that may need these actions.

Authority for This Rulemaking

Title 49 of the United States Code specifies the FAA's authority to
issue rules on aviation safety. Subtitle I, section 106, describes the
authority of the FAA Administrator. ``Subtitle VII: Aviation
Programs,'' describes in more detail the scope of the Agency's
authority.
We are issuing this rulemaking under the authority described in
``Subtitle VII, Part A, Subpart III, Section 44701: General
requirements.'' Under that section, Congress charges the FAA with
promoting safe flight of civil aircraft in air commerce by prescribing
regulations for practices, methods, and procedures the Administrator
finds necessary for safety in air commerce. This regulation is within
the scope of that authority because it addresses an unsafe condition
that is likely to exist or develop on products identified in this
rulemaking action.

Regulatory Findings

We determined that this AD will not have federalism implications
under Executive Order 13132. This AD will not have a substantial direct
effect on the States, on the relationship between the national
government and the States, or on the distribution of power and
responsibilities among the various levels of government.
For the reasons discussed above, I certify this AD:
1. Is not a ``significant regulatory action'' under Executive Order
12866;
2. Is not a ''significant rule'' under the DOT Regulatory Policies
and Procedures (44 FR 11034, February 26, 1979); and
3. Will not have a significant economic impact, positive or
negative, on a substantial number of small entities under the criteria
of the Regulatory Flexibility Act.
We prepared a regulatory evaluation of the estimated costs to
comply with this AD and placed it in the AD docket.

Examining the AD Docket

You may examine the AD docket on the Internet at https://www.regulations.gov; or in person at the Docket Operations office
between 9 a.m. and 5 p.m., Monday through Friday, except Federal
holidays. The AD docket contains the NPRM (76 FR 21822, April 19,
2011), the regulatory evaluation, any comments received, and other
information. The street address for the Docket Operations office
(telephone (800) 647-5527) is in the ADDRESSES section. Comments will
be available in the AD docket shortly after receipt.

List of Subjects in 14 CFR Part 39

Air transportation, Aircraft, Aviation safety, Incorporation by
reference, Safety.

Adoption of the Amendment

Accordingly, under the authority delegated to me by the
Administrator, the FAA amends 14 CFR part 39 as follows:

PART 39--AIRWORTHINESS DIRECTIVES

0
1. The authority citation for part 39 continues to read as follows:

Authority: 49 U.S.C. 106(g), 40113, 44701.

Sec. 39.13 [Amended]

0
2. The FAA amends Sec. 39.13 by adding the following new AD:

2011-21-15 Empresa Brasileira de Aeronautica S.A. (EMBRAER):
Amendment 39-16838. Docket No. FAA-2011-0312; Directorate Identifier
2010-NM-159-AD.

Effective Date

(a) This airworthiness directive (AD) becomes effective November
23, 2011.

Affected ADs

(b) None.

Applicability

(c) This AD applies to Empresa Brasileira de Aeronautica S.A.
(EMBRAER) Model EMB-135ER, -135KE, -135KL, and -135LR airplanes; and
Model EMB-145, -145ER, -145MR, -145LR, -145MP, and -145EP airplanes;
certificated in any category; equipped with titanium auxiliary power
unit (APU) firewall part number (P/N) 145-47494-401, 145-26850-401,
145-26850-601, or 145-47494-403.

Subject

(d) Air Transport Association (ATA) of America Code 53:
Fuselage.

Reason

(e) The mandatory continuing airworthiness information (MCAI)
states:

Compliance

(f) You are responsible for having the actions required by this
AD performed within

[[Page 64787]]

the compliance times specified, unless the actions have already been
done.

Actions

(g) Within 3,300 flight hours after the effective date of this
AD, do a detailed inspection for cracking of the rearward and
forward face of the APU firewall, including its attachment to the
fuselage, removing neither the structural reinforcements nor the
dampers, in accordance with Task 05-20-47-200-801-A, Rear Fuselage
II--Aft of Rear Pressure Bulkhead--Internal General Visual
Inspection, of Subject 5-20-47, Rear Fuselage II--Aft of Rear
Pressure Bulkhead--Internal, and Task 05-20-57-200-801-A, Rear
Fuselage II--Tail Cone Fairing--Internal General Visual Inspection,
of Subject 5-20-57, Rear Fuselage II--Tail Cone Fairing--Internal,
of Chapter 5, Time Limits Maintenance Checks, of EMBRAER EMB145
Aircraft Maintenance Manual, Part II, AMM-145/1124, Revision 54,
dated April 28, 2011.
(1) If no cracking is found during any inspection required by
paragraph (g) of this AD, repeat the inspection thereafter at
intervals not to exceed 6,600 flight hours, until the terminating
action specified in paragraph (h) of this AD has been accomplished.
(2) If any cracking is found during any inspection required by
paragraph (g) of this AD, before further flight, repair in
accordance with Subject 53-32-13, Rear Fuselage II--APU Firewall, of
Chapter 53, Fuselage, of the EMBRAER EMB135, ERJ140, EMB145,
Structural Repair Manual, SRM-145/1142, Revision 43, dated December
1, 2010; or in accordance with a method approved by the
International Branch, ANM-116, Transport Airplane Directorate, FAA;
or Ag[ecirc]ncia Nacional de Avia[ccedil][atilde]o Civil (ANAC) (or
its delegated agent). Within 6,600 flight hours after doing the
repair, do the inspection required by paragraph (g) of this AD and
repeat the inspection thereafter at intervals not to exceed 6,600
flight hours, until the terminating action specified in paragraph
(h) of this AD has been accomplished.

Note 1: For the purpose of this AD, a detailed inspection is:
``An intensive examination of a specific item, installation or
assembly to detect damage, failure or irregularity. Available
lighting is normally supplemented with a direct source of good
lighting at an intensity deemed appropriate. Inspection aids such as
mirrors, magnifying lenses, etc., may be necessary. Surface cleaning
and elaborate access procedures may be required.''

Optional Terminating Action

(h) Replacing the APU firewall having P/N 145-47494-401, 145-
26850-401, 145-26850-601, or 145-47494-403, with a new APU firewall
having P/N 145-47494-607, in accordance with the Accomplishment
Instructions of EMBRAER Service Bulletin 145-53-0062, Revision 07,
dated May 27, 2011, terminates the repetitive inspections required
by paragraphs (g)(1) and (g)(2) of this AD.

Credit for Actions Accomplished in Accordance With Previous Service
Information

(i) Actions done before the effective date of this AD, in
accordance with Task 05-20-47-200-801-A, Rear Fuselage II--Aft of
Rear Pressure Bulkhead--Internal General Visual Inspection, of
Subject 5-20-47, Rear Fuselage II--Aft of Rear Pressure Bulkhead--
Internal, of Chapter 5, Time Limits Maintenance Checks, of EMBRAER
EMB145 Aircraft Maintenance Manual, Part II, AMM-145/1124, Revision
53, dated October 28, 2010, are acceptable for compliance with the
requirements of paragraph (g) of this AD.
(j) Actions done before the effective date of this AD, in
accordance with the applicable service bulletin specified in table 1
of this AD, are acceptable for compliance with the requirements of
paragraph (h) of this AD.

Table 1--Credit Service Bulletins
----------------------------------------------------------------------------------------------------------------
EMBRAER Service Bulletin-- Revision-- Dated--
----------------------------------------------------------------------------------------------------------------
145-53-0062.................................. 06 August 11, 2010.
145-53-0062.................................. 05 May 20, 2008.
145-53-0062.................................. 04 November 23, 2007.
145-53-0062.................................. 03 September 21, 2007.
145-53-0062.................................. 02 January 25, 2006.
145-53-0062.................................. 01 October 28, 2005.
145-53-0062.................................. .............. July 29, 2005.
----------------------------------------------------------------------------------------------------------------

FAA AD Differences

Note 2: This AD differs from the MCAI and/or service
information as follows:
(1) The MCAI AD does not specify how to do the inspection for
cracking. This AD requires doing a detailed inspection of the
rearward and forward face of the APU firewall, including its
attachment to the fuselage, in accordance with Task 05-20-47-200-
801-A, Rear Fuselage II--Aft of Rear Pressure Bulkhead--Internal
General Visual Inspection, of Subject 5-20-47, Rear Fuselage II--Aft
of Rear Pressure Bulkhead--Internal, and Task 05-20-57-200-801-A,
Rear Fuselage II--Tail Cone Fairing--Internal General Visual
Inspection, of Subject 5-20-57, Rear Fuselage II--Tail Cone
Fairing--Internal, of Chapter 5, Time Limits Maintenance Checks, of
EMBRAER EMB145 Aircraft Maintenance Manual, Part II, AMM-145/1124,
Revision 54, dated April 28, 2011.
(2) Where Subjects 5-20-47, Rear Fuselage II--Aft of Rear
Pressure Bulkhead--Internal, and 5-20-57, Rear Fuselage II--Tail
Cone Fairing--Internal, of Chapter 5, Time Limits Maintenance
Checks, of EMBRAER EMB145 Aircraft Maintenance Manual, Part II, AMM-
145/1124, Revision 54, dated April 28, 2011, specify an internal
general visual inspection, this AD requires a detailed inspection.

Other FAA AD Provisions

(k) The following provisions also apply to this AD:
(1) Alternative Methods of Compliance (AMOCs): The Manager,
International Branch, ANM-116, Transport Airplane Directorate, FAA,
has the authority to approve AMOCs for this AD, if requested using
the procedures found in 14 CFR 39.19. In accordance with 14 CFR
39.19, send your request to your principal inspector or local Flight
Standards District Office, as appropriate. If sending information
directly to the International Branch, send it to ATTN: Todd
Thompson, Aerospace Engineer, International Branch, ANM-116,
Transport Airplane Directorate, FAA, 1601 Lind Avenue, SW., Renton,
Washington 98057-3356; telephone (425) 227-1175; fax (425) 227-1149.
Information may be e-mailed to: 9-ANM-116-AMOC-REQUESTS@faa.gov.
Before using any approved AMOC, notify your appropriate principal
inspector, or lacking a principal inspector, the manager of the
local flight standards district office/certificate holding district
office. The AMOC approval letter must specifically reference this
AD.
(2) Airworthy Product: For any requirement in this AD to obtain
corrective actions from a manufacturer or other source, use these
actions if they are FAA-approved. Corrective actions are considered
FAA-approved if they are approved by the State of Design Authority
(or their delegated agent). You are required to assure the product
is airworthy before it is returned to service.

Related Information

(l) Refer to MCAI ANAC Airworthiness Directive 2010-06-03R1,
dated September 20, 2010; EMBRAER Service Bulletin 145-53-0062,
Revision 07, dated May 27, 2011; Task 05-20-47-200-801-A, Rear
Fuselage II--Aft of Rear Pressure Bulkhead--Internal General Visual
Inspection, of Subject 5-20-47, Rear Fuselage II--Aft of Rear
Pressure Bulkhead--Internal, and Task 05-20-57-200-801-A, Rear
Fuselage II--Tail Cone Fairing--Internal General Visual Inspection,
of Subject 5-20-57, Rear Fuselage II--Tail Cone Fairing--Internal,
of Chapter 5, Time Limits Maintenance Checks, of EMBRAER EMB145
Aircraft Maintenance Manual, Part II, AMM-145/1124, Revision 54,
dated April 28, 2011; and Subject 53-32-13, Rear

[[Page 64788]]

Fuselage II--APU Firewall, of Chapter 53, Fuselage, of the EMBRAER
EMB135, ERJ140, EMB145, Structural Repair Manual, SRM-145/1142,
Revision 43, dated December 1, 2010; for related information.

Material Incorporated by Reference

(m) You must use Task 05-20-47-200-801-A, Rear Fuselage II--Aft
of Rear Pressure Bulkhead--Internal General Visual Inspection, of
Subject 5-20-47, Rear Fuselage II--Aft of Rear Pressure Bulkhead--
Internal, and Task 05-20-57-200-801-A, Rear Fuselage II--Tail Cone
Fairing--Internal General Visual Inspection, of Subject 5-20-57,
Rear Fuselage II--Tail Cone Fairing--Internal, of Chapter 5, Time
Limits Maintenance Checks, of EMBRAER EMB145 Aircraft Maintenance
Manual, Part II, AMM-145/1124, Revision 54, dated April 28, 2011;
and Subject 53-32-13, Rear Fuselage II--APU Firewall, of Chapter 53,
Fuselage, of the EMBRAER EMB135, ERJ140, EMB145, Structural Repair
Manual, SRM-145/1142, Revision 43, dated December 1, 2010; to do the
actions required by this AD, unless the AD specifies otherwise. If
you accomplish the optional terminating action specified in this AD,
you must use EMBRAER Service Bulletin 145-53-0062, Revision 07,
dated May 27, 2011, to do those actions, unless the AD specifies
otherwise. The revision level of the EMBRAER EMB145 Aircraft
Maintenance Manual AMM-145/1124 is specified on only the title page
and Chapter 5 List of Effective Pages of this document; the Chapter
5 title page of this document does not contain a revision level or
date. The revision level of the EMBRAER EMB135, ERJ140, EMB145,
Structural Repair Manual SRM-145/1142 is specified on only the title
page and Chapter 53 List of Effective pages of this document; the
Chapter 53 title page does not contain a revision level or date.
(1) The Director of the Federal Register approved the
incorporation by reference of this service information under 5
U.S.C. 552(a) and 1 CFR part 51.
(2) For service information identified in this AD, contact
Empresa Brasileira de Aeronautica S.A. (EMBRAER), Technical
Publications Section (PC 060), Av. Brigadeiro Faria Lima, 2170--
Putim--12227-901 S[atilde]o Jose dos Campos--SP--BRASIL; telephone
+55 12 3927-5852 or +55 12 3309-0732; fax +55 12 3927-7546; e-mail
distrib@embraer.com.br; Internet: https://www.flyembraer.com.
(3) You may review copies of the service information at the FAA,
Transport Airplane Directorate, 1601 Lind Avenue, SW., Renton,
Washington. For information on the availability of this material at
the FAA, call 425-227-1221.
(4) You may also review copies of the service information that
is incorporated by reference at the National Archives and Records
Administration (NARA). For information on the availability of this
material at NARA, call 202-741-6030, or go to: https://www.archives.gov/federal_register/code_of_federal_regulations/ibr_locations.html.

Issued in Renton, Washington, on October 3, 2011.
Ali Bahrami,
Manager, Transport Airplane Directorate, Aircraft Certification
Service.
[FR Doc. 2011-26718 Filed 10-18-11; 8:45 am]
BILLING CODE 4910-13-P

This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply.