Airworthiness Directives; Airbus Helicopters (Previously Eurocopter France) (Airbus Helicopters) Helicopters, 34335-34338 [2015-14282]

Download as PDF Federal Register / Vol. 80, No. 115 / Tuesday, June 16, 2015 / Proposed Rules servo actuator with servo actuator P/N 222– 382–001–111 or P/N 222–382–001–111FM. (iii) If there is any corrosion that is red or orange in color, magnetic particle inspect the piston rod for a crack. (A) If there is a crack, replace the servo actuator with servo actuator, P/N 222–382– 001–111 or P/N 222–382–001–111FM before further flight. (B) If there is no crack, comply with paragraphs (f)(5) through (f)(7) of this AD. Within 2,400 hours TIS or 2 years, whichever occurs first, replace the servo actuator with servo actuator P/N 222–382–001–111 or P/N 222–382–001–111FM. (iv) If there is no corrosion, visible lack of cadmium plate, or damage to the piston rod, comply with paragraphs (f)(5) through and (f)(7) of this AD. Within 3,000 hours TIS or 4 years, whichever occurs first, replace the servo actuator with servo actuator P/N 222– 382–001–111 or P/N 222–382–001–111FM. (5) Inspect the portion of the piston rod for any absence of cadmium plating (bare base metal), as shown in Figure 7 of the Woodward ASB. If there is any bare base metal on the piston rod in this area, apply brush cadmium plating to all bare and reworked areas using SPS5070 or equivalent 0.0002 to 0.0005 inch thick and rework the piston rod by following the Accomplishment Instructions, paragraph C., Part III, C.1.1.1. through C.1.1.3., of the Woodward ASB. (6) Reassemble the servo actuator by following the Accomplishment Instructions, paragraph C, Part III, 1.1.4. through 3.3.4. of the Woodward ASB. (7) Thereafter, overhaul servo actuator P/N 222–382–001–111 or P/N 222–382–001– 111FM at intervals not to exceed 10 years or 10,000 hours TIS, whichever occurs first. (g) Credit for Actions Previously Completed Compliance with the Woodward ASB or with AD 2010–19–51 (75 FR 71540, November 24, 2010) before the effective date of this AD is considered acceptable for compliance with the corresponding inspections specified in paragraph (f) of this AD. If you replaced the piston rod pursuant to the Woodward ASB or paragraph (d)(1) or (d)(3) of AD 2010–19–51, apply the requirements of paragraph (f)(4)(iv) of this AD. asabaliauskas on DSK5VPTVN1PROD with PROPOSALS (h) Alternative Methods of Compliance (AMOCs) 16:44 Jun 15, 2015 Jkt 235001 [FR Doc. 2015–14278 Filed 6–15–15; 8:45 am] removing certain engine mount parts from service, measuring the height of the engine mounting base for certain helicopters, replacing the engine mount if a certain height is exceeded, inspecting the flared coupling on certain helicopters for a crack, and replacing the coupling if it is cracked. Since we issued AD 2000–05–17 and AD 2001– 04–12, there have been reports of additional cracks in coupling tubes. The proposed actions are intended to prevent coupling tube failure, loss of engine drive, and a subsequent forced landing of the helicopter. DATES: We must receive comments on this proposed AD by August 17, 2015. ADDRESSES: You may send comments by any of the following methods: • Federal eRulemaking Docket: Go to http://www.regulations.gov. Follow the online instructions for sending your comments electronically. • Fax: 202–493–2251. • Mail: Send comments to the U.S. Department of Transportation, Docket Operations, M–30, West Building Ground Floor, Room W12–140, 1200 New Jersey Avenue SE., Washington, DC 20590–0001. • Hand Delivery: Deliver to the ‘‘Mail’’ address between 9 a.m. and 5 p.m., Monday through Friday, except Federal holidays. BILLING CODE 4910–13–P Examining the AD Docket (j) Subject Joint Aircraft Service Component (JASC) Code: 6730, Rotorcraft Servo System. Issued in Fort Worth, Texas, on May 29, 2015. Lance T. Gant, Acting Directorate Manager, Rotorcraft Directorate, Aircraft Certification Service. DEPARTMENT OF TRANSPORTATION Federal Aviation Administration 14 CFR Part 39 [Docket No. FAA–2014–0105; Directorate Identifier 2008–SW–58–AD] RIN 2120–AA64 Airworthiness Directives; Airbus Helicopters (Previously Eurocopter France) (Airbus Helicopters) Helicopters Federal Aviation Administration, DOT. ACTION: Notice of proposed rulemaking (NPRM). AGENCY: (1) The Manager, Safety Management Group, FAA, may approve AMOCs for this AD. Send your proposal to: Matt Wilbanks, Aviation Safety Engineer, Regulations and Policy Group, Rotorcraft Directorate, FAA, 2601 Meacham Blvd., Fort Worth, Texas 76137; telephone (817) 222–5110; email matt.wilbanks@faa.gov. (2) For operations conducted under a 14 CFR part 119 operating certificate or under 14 CFR part 91, subpart K, we suggest that you notify your principal inspector, or lacking a principal inspector, the manager of the local flight standards district office or certificate holding district office before operating any aircraft complying with this AD through an AMOC. VerDate Sep<11>2014 (i) Additional Information (1) Bell Alert Service Bulletin (ASB) No. 222–11–111 for Model 222 and 222B helicopters, ASB No. 222U–11–82 for Model 222U helicopters, ASB No. 230–11–43 for Model 230 helicopters, and ASB No. 430–11– 46 for Model 430 helicopters, all Revision A and all dated June 22, 2012, which are not incorporated by reference, contain additional information about the subject of this AD. For Woodward HRT and Bell service information identified in this AD, contact Bell Helicopter Textron Canada Limited, 12,800 Rue de l’Avenir, Mirabel, Quebec J7J1R4; telephone (450) 437–2862 or (800) 363–8023; fax (450) 433–0272; or at http:// www.bellcustomer.com/files/. You may review a copy of the service information at the FAA, Office of the Regional Counsel, Southwest Region, 2601 Meacham Blvd., Room 663, Fort Worth, Texas 76137. (2) The subject of this AD is addressed in the Transport Canada Civil Aviation (TCCA) AD No. CF–2010–29R1, dated July 26, 2012. You may view the TCCA AD on the Internet at http://www.regulations.gov in Docket No. FAA–2013–0734. 34335 This document proposes superseding Airworthiness Directives (AD) 2000–05–17 and AD 2001–04–12, which apply to Eurocopter France (now Airbus Helicopters) Model EC120B helicopters. AD 2000–05–17 and AD 2001–04–12 require repetitive visual checks of the engine-to-main gearbox (MGB) coupling tube assembly (coupling tube) for a crack and replacing any cracked tube with an airworthy tube. This proposed AD would require SUMMARY: PO 00000 Frm 00011 Fmt 4702 Sfmt 4702 You may examine the AD docket on the Internet at http:// 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 this proposed AD, the Direction Generale de L’Aviation Civile (DGAC) AD, the economic 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. For service information identified in this proposed AD, contact Airbus Helicopters, Inc., 2701 N. Forum Drive, Grand Prairie, Texas 75052; telephone (972) 641–0000 or (800) 232–0323; fax (972) 641–3775; or at http:// www.airbushelicopters.com/techpub. You may review the service information at the FAA, Office of the Regional Counsel, Southwest Region, 2601 Meacham Blvd., Room 663, Fort Worth, Texas 76137. FOR FURTHER INFORMATION CONTACT: James Blyn, Aviation Safety Engineer, Regulations and Policy Group, Rotorcraft Directorate, FAA, 2601 Meacham Blvd., Fort Worth, Texas E:\FR\FM\16JNP1.SGM 16JNP1 34336 Federal Register / Vol. 80, No. 115 / Tuesday, June 16, 2015 / Proposed Rules 76137; telephone (817) 222–5110; email james.blyn@faa.gov. SUPPLEMENTARY INFORMATION: asabaliauskas on DSK5VPTVN1PROD with PROPOSALS Comments Invited We invite you to participate in this rulemaking by submitting written comments, data, or views. We also invite comments relating to the economic, environmental, energy, or federalism impacts that might result from adopting the proposals in this document. The most helpful comments reference a specific portion of the proposal, explain the reason for any recommended change, and include supporting data. To ensure the docket does not contain duplicate comments, commenters should send only one copy of written comments, or if comments are filed electronically, commenters should submit only one time. We will file in the docket all comments that we receive, as well as a report summarizing each substantive public contact with FAA personnel concerning this proposed rulemaking. Before acting on this proposal, we will consider all comments we receive on or before the closing date for comments. We will consider comments filed after the comment period has closed if it is possible to do so without incurring expense or delay. We may change this proposal in light of the comments we receive. Discussion On March 6, 2000, we issued AD 2000–05–17, Amendment 39–11627 (65 FR 13875, March 15, 2000) for Model EC120B helicopters with engine coupling tube, part number (P/N) C631A1002101, installed. AD 2000–05– 17 requires recurring inspections of each coupling tube for a crack and, if there is a crack, replacing any cracked coupling tube with an airworthy, reinforced coupling tube, P/N C631A1101101, and replacing certain engine support fitting parts. AD 2000– 05–17 also requires replacing all affected coupling tubes with a reinforced coupling tube and replacing certain engine support fitting parts by March 31, 2000. AD 2000–05–17 was prompted by reports of cracks on the coupling tubes. On February 20, 2001, we issued AD 2001–04–12, Amendment 39–12131 (66 FR 13232, March 5, 2001), for Model EC120B helicopters with engine coupling tube, P/N C631A1101101, installed. AD 2001–04–12 requires a visual check on each coupling tube for a crack at specified intervals. AD 2001– 04–12 was prompted by several reports of cracks on the reinforced coupling tube. VerDate Sep<11>2014 16:44 Jun 15, 2015 Jkt 235001 AD 2000–05–17 and AD 2001–04–12 were intended to prevent coupling tube failure, loss of engine drive, and a subsequent forced landing. Actions Since AD 2000–05–17 and AD 2001–04–12 Were Issued Since we issued AD 2000–05–17 (65 FR 13875, March 15, 2000) and AD 2001–04–12 (66 FR 13232, March 5, 2001), there have been reports of additional cracks in coupling tubes. Eurocopter France (now Airbus Helicopters) has conducted tests and determined that the washer-type engine mount may, in certain cases, induce excessive loading on the coupling tube since the design does not allow the operators to ensure that all of the parts are correctly assembled. Eurocopter France (now Airbus Helicopters) has also determined that excessive loading results in binding that increases component wear of the inner diameter of the mounting base. The DGAC, on behalf of the European Aviation Safety Agency, issued AD No. F–2003–325 R1, dated May 12, 2004, to correct an unsafe condition for Model EC120B helicopters with engine coupling tube, P/N C631A1101101, and with an engine mount containing certain parts listed in Eurocopter Alert Service Bulletin (ASB) No. 04A005, dated July 16, 2003. DGAC AD No. F– 2003–325 R1 requires certain inspections for helicopters with an engine mount block modified in accordance with Eurocopter Service Bulletin (SB) No. 71–003, Revision 1, dated July 18, 2002, replacing any coupling tube that has a crack, and increasing the life limit of the coupling tube from 1,000 flight hours to 20,000 flight hours. Also, DGAC AD No. F– 2003–325 R1 requires, for helicopters with a new spring-loaded engine suspension modification in accordance with Eurocopter SB No. 71–005, Revision 0, dated May 14, 2004, increasing the life limit of the coupling tube to 20,000 flight hours and canceling the repetitive inspections of the coupling tube. The DGAC advises that a crack was detected on a reinforced coupling tube, which may lead to coupling tube failure and subsequent autorotation. This action is intended to prevent coupling tube failure, loss of engine drive, and a subsequent forced landing of the helicopter. FAA’s Determination This helicopter has been approved by the aviation authority of France and is approved for operation in the United States. Pursuant to our bilateral agreement with France, the DGAC has PO 00000 Frm 00012 Fmt 4702 Sfmt 4702 kept the FAA informed of the situation described above. We are proposing this AD because we evaluated all information provided by the DGAC and determined the unsafe condition exists and is likely to exist or develop on other helicopters of these same type designs. Related Service Information Under 1 CFR Part 51 We reviewed the following Eurocopter service information: • ASB No. 04A005, Revision 0, dated July 16, 2003, prohibits, after June 30, 2004, operating an engine mount made up of the following parts: support arm, P/N C714A1107201; swaged support arm, P/N C714A1106201; left-hand support bracket, P/N C714A1101102; and right-hand support bracket, P/N C714A1101103. SB No. 04A005 also specifies measuring the height of the engine mounting base and, if the height is more than 10.5 millimeters, replacing the engine mount with an engine mount that does not have the specified P/N. ASB No. 04A005 does not apply to helicopters modified with an improved engine mount in accordance with SB No. 71–003. ASB No. 04A005 also does not apply to helicopters with a serial number 1170 or larger, as the specified engine mounts are not installed on those helicopters. • SB No. 71–005, Revision 0, dated May 14, 2004, contains procedures to modify the spring-type engine suspension system and dye-penetrant inspect the flared coupling assembly. This service information is reasonably available because the interested parties have access to it through their normal course of business or by the means identified in the ADDRESSES section of this NPRM. The DGAC classified the service information contained in ASB No. 04A005 and SB No. 71–005 as mandatory and issued AD No. F–2003– 325 R1, dated May 12, 2004, to ensure the continued airworthiness of these helicopters. Other Related Service Information We also reviewed the following Eurocopter service information: • SB No. 71–003, Revision 1, dated July 18, 2002, contains procedures to improve the engine mount. • ASB No. 05A003, Revision 2, dated July 16, 2003, for helicopters that have not been modified with an improved engine mount in accordance with SB No. 71–003, specifies inspecting the coupling tube for a crack every 5 hours and establishing a coupling tube life limit of 1,000 hours. For helicopters that have been modified with an improved engine mount, ASB No. 05A003 E:\FR\FM\16JNP1.SGM 16JNP1 Federal Register / Vol. 80, No. 115 / Tuesday, June 16, 2015 / Proposed Rules specifies inspecting the coupling tube for a crack every 25 hours and increasing the coupling tube life limit to 20,000 hours. ASB No. 05A003 was revised to Revision 3, dated May 11, 2004, to specify an optional spring-type engine suspension modification and cancel the repetitive inspection for this modified configuration. The DGAC also classified the service information contained in SB No. 71–003 and ASB No. 05A003 as mandatory and issued AD No. F–2003–325 R1, dated May 12, 2004, to ensure the continued airworthiness of these helicopters. Proposed AD Requirements This proposed AD would require: • Before further flight, for certain helicopters, removing from service certain engine mount parts: support arm, P/N C714A1107201; swaged support arm, P/N C714A1106201; lefthand support bracket, P/N C714A1101102; and right-hand support bracket, P/N C714A1101103. Measuring the height of the engine mounting base and, if the height is more than 10.5 millimeters, replacing the engine mount with an engine mount that does not have the affected parts. • Within 25 hours time-in-service (TIS), for certain other helicopters that do not have the specified engine mount parts due to modifications, replacing the spring-type engine suspension system and dye-penetrant inspecting the flared coupling for a crack. If there is a crack in the flared coupling, before further flight, replacing the coupling with an airworthy coupling. • Before further flight, removing coupling tube, P/N C631A1002101 from service. This proposed AD would prohibit installing coupling tube, P/N C631A1002101 on any helicopter. asabaliauskas on DSK5VPTVN1PROD with PROPOSALS Differences Between This Proposed AD and the DGAC AD This proposed AD would require the installation of the spring-type engine suspension modification specified in Eurocopter SB No. 71–005 and would not require the repetitive inspection of the coupling tube and the engine mount base. This proposed AD would not require you to contact the manufacturer. Costs of Compliance We estimate out of 115 helicopters on the U.S. registry about 23 helicopters would be affected by this proposed AD. At an average labor rate of $85 per work hour, we estimate the following: • Installing new mounting arms and brackets would require about 12 work hours and required parts would cost $9,194, for a total cost per helicopter of $10,214 and $234,922 for the fleet. VerDate Sep<11>2014 16:44 Jun 15, 2015 Jkt 235001 • Installing the mounting spring kit would require about 14 work hours and required parts would cost $14,621, for a total cost per helicopter of $15,811 and $363,653 for the fleet. • Dye-penetrant inspecting the coupling tube would require about 1 work hour for a cost per helicopter of $85 and $1,955 for the fleet. 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 proposed AD would not have federalism implications under Executive Order 13132. This proposed AD would 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, I certify this proposed regulation: 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); 3. Will not affect intrastate aviation in Alaska to the extent that it justifies making a regulatory distinction; and 4. 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 an economic evaluation of the estimated costs to comply with this proposed AD and placed it in the AD docket. PO 00000 Frm 00013 Fmt 4702 Sfmt 4702 34337 List of Subjects in 14 CFR Part 39 Air transportation, Aircraft, Aviation safety, Incorporation by reference, Safety. The Proposed Amendment Accordingly, under the authority delegated to me by the Administrator, the FAA proposes to amend 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: a. Removing Airworthiness Directive (AD) 2000–05–17, Amendment 39– 11627 (65 FR 13875, March 15, 2000); and AD 2001–04–12, Amendment 39– 12131 (66 FR 13232, March 5, 2001); and ■ b. Adding the following new AD: ■ ■ Airbus Helicopters (Previously Eurocopter France): Docket No. FAA–2014–0105; Directorate Identifier 2008–SW–58–AD. (a) Applicability This AD applies to Model EC120B helicopters with an engine-to-main gearbox coupling tube assembly (coupling tube), part number (P/N) C631A1101101 or P/N C631A1002101, installed, certificated in any category. (b) Unsafe Condition This AD defines the unsafe condition as a crack in a coupling tube. This condition could result in coupling tube failure, loss of engine drive, and a subsequent forced landing of the helicopter. (c) Affected ADs This AD supersedes AD 2000–05–17, Amendment 39–11627 (65 FR 13875, March 15, 2000) and AD 2001–04–12, Amendment 39–12131 (66 FR 13232, March 5, 2001). (d) Comments Due Date We must receive comments by August 17, 2015. (e) Compliance You are responsible for performing each action required by this AD within the specified compliance time unless it has already been accomplished prior to that time. (f) Required Actions (1) For helicopters with a serial number up to and including 1169, not modified with an improvement of the engine mount in accordance with Eurocopter Service Bulletin (SB) No. 71–003, Revision 1, dated July 18, 2002 (SB 71–003), or not modified by installing a spring-type engine suspension system in accordance with Eurocopter SB No. 71–005, Revision 0, dated May 14, 2004 (SB 71–005), before further flight: E:\FR\FM\16JNP1.SGM 16JNP1 34338 Federal Register / Vol. 80, No. 115 / Tuesday, June 16, 2015 / Proposed Rules may review a copy of the service information at the FAA, Office of the Regional Counsel, Southwest Region, 2601 Meacham Blvd., Room 663, Fort Worth, Texas 76137. (2) The subject of this AD is addressed in Direction Generale de L’Aviation Civile (DGAC) AD No. F–2003–325 R1, Revision A, dated May 12, 2004. You may view the DGAC AD on the Internet at http:// www.regulations.gov in Docket No. FAA– 2014–0105. (g) Special Flight Permits Special flight permits may be issued provided there are no cracks in the coupling tube attachment fitting. RIN 2120–AK71 (h) Alternative Methods of Compliance (AMOCs) (1) The Manager, Safety Management Group, FAA, may approve AMOCs for this AD. Send your proposal to: James Blyn, Aviation Safety Engineer, Regulations and Policy Group, Rotorcraft Directorate, FAA, 2601 Meacham Blvd., Fort Worth, Texas 76137; telephone (817) 222–5110; email james.blyn@faa.gov. (2) For operations conducted under a 14 CFR part 119 operating certificate or under 14 CFR part 91, subpart K, we suggest that you notify your principal inspector, or lacking a principal inspector, the manager of the local flight standards district office or certificate holding district office before operating any aircraft complying with this AD through an AMOC. asabaliauskas on DSK5VPTVN1PROD with PROPOSALS (i) Remove from service the following engine mount parts: (A) Support arm, P/N C714A1107201; (B) Swaged support arm, P/N C714A1106201; (C) Left-hand support bracket, P/N C714A1101102; and (D) Right-hand support bracket, P/N C714A1101103. (ii) Measure the height of the engine mounting base as depicted in Figure 1 of Eurocopter Alert SB No. 04A005, Revision 0, dated July 16, 2003. If the height is more than 10.5 millimeters, replace the engine mount with an engine mount that does not have the parts identified in paragraph (f)(1)(i) of this AD. (2) For helicopters with a serial number 1170 and larger or helicopters modified with an improvement of the engine mount in accordance with SB 71–003: (i) Within 25 hours TIS, replace the springtype engine suspension system and perform a dye-penetrant inspection of the flared coupling for a crack by following the Accomplishment Instructions, paragraphs 2.B.2.a through 2.B.2.c of SB 71–005. (ii) If there is a crack in the flared coupling, before further flight, replace the coupling with an airworthy coupling. (3) For helicopters with coupling tube, P/ N C631A1002101, installed, before further flight, remove coupling tube, P/N C631A1002101, from service. Do not install coupling tube, P/N C631A1002101, on any helicopter. AGENCY: (i) Additional Information (1) Eurocopter Alert Service Bulletin (ASB) No. 05A003, Revision 2, dated July 16, 2003, Eurocopter ASB No. 05A003, Revision 3, dated May 11, 2004, and Eurocopter Service Bulletin No. 71–003, Revision 1, dated July 18, 2002, which are not incorporated by reference, contain additional information about the subject of this AD. For service information identified in this AD, contact Airbus Helicopters, Inc., 2701 N. Forum Drive, Grand Prairie, Texas 75052, telephone (972) 641–0000 or (800) 232–0323; fax (972) 641–3775; or at http:// www.airbushelicopters.com/techpub. You VerDate Sep<11>2014 16:44 Jun 15, 2015 Jkt 235001 (j) Subject Joint Aircraft Service Component (JASC) Code: 6310 Engine/Transmission Coupling— Coupling Tube, Engine Mount, and Engine Mount Base. Issued in Fort Worth, Texas, on May 29, 2015. Lance T. Gant, Acting Directorate Manager, Rotorcraft Directorate, Aircraft Certification Service. [FR Doc. 2015–14282 Filed 6–15–15; 8:45 am] BILLING CODE 4910–13–P DEPARTMENT OF TRANSPORTATION Federal Aviation Administration 14 CFR Parts 61 and 141 [Docket No.: FAA–2015–1846; Notice No. 15–03] Aviation Training Device Credit for Pilot Certification Federal Aviation Administration (FAA), DOT. ACTION: Notice of proposed rulemaking. This rulemaking proposes to relieve burdens on pilots seeking to obtain aeronautical experience, training, and certification by increasing the allowed use of aviation training devices. These actions are necessary to bring the regulations in line with current needs and activities of the general aviation training community and pilots. DATES: Send comments on or before July 16, 2015. ADDRESSES: Send comments identified by docket number FAA–2015–1846 using any of the following methods: • Federal eRulemaking Portal: Go to http://www.regulations.gov and follow the online instructions for sending your comments electronically. • Mail: Send comments to Docket Operations, M–30; U.S. Department of Transportation (DOT), 1200 New Jersey Avenue SE., Room W12–140, West Building Ground Floor, Washington, DC 20590–0001. • Hand Delivery or Courier: Take comments to Docket Operations in Room W12–140 of the West Building Ground Floor at 1200 New Jersey SUMMARY: PO 00000 Frm 00014 Fmt 4702 Sfmt 4702 Avenue SE., Washington, DC, between 9 a.m. and 5 p.m., Monday through Friday, except Federal holidays. • Fax: Fax comments to Docket Operations at 202–493–2251. Privacy: In accordance with 5 U.S.C. 553(c), DOT solicits comments from the public to better inform its rulemaking process. DOT posts these comments, without edit, including any personal information the commenter provides, to http://www.regulations.gov, as described in the system of records notice (DOT/ALL–14 FDMS), which can be reviewed at http://www.dot.gov/ privacy. Docket: Background documents or comments received may be read at http://www.regulations.gov at any time. Follow the online instructions for accessing the docket or go to the Docket Operations in Room W12–140 of the West Building Ground Floor at 1200 New Jersey Avenue SE., Washington, DC, between 9 a.m. and 5 p.m., Monday through Friday, except Federal holidays. FOR FURTHER INFORMATION CONTACT: For technical questions concerning this action, contact Marcel Bernard, Airmen Certification and Training Branch, Flight Standards Service, AFS–810, Federal Aviation Administration, 898 Airport Park Road, Suite 204, Glen Burnie, MD 21061; telephone: (410) 590–5364 x235 email marcel.bernard@ faa.gov. For legal questions concerning this action, contact Anne Moore, Regulations Division, Office of the Chief Counsel, AGC–200, Federal Aviation Administration, 800 Independence Avenue SW., Washington, DC 20591; telephone (202) 267–3073; email anne.moore@faa.gov. SUPPLEMENTARY INFORMATION: Authority for This Rulemaking The FAA’s authority to issue rules on aviation safety is found in Title 49 of the United States Code (49 U.S.C.). 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. This rulemaking is promulgated under the authority described in 49 U.S.C. 106(f), which establishes the authority of the Administrator to promulgate regulations and rules; 49 U.S.C. 44701(a)(5), which requires the Administrator to promote safe flight of civil aircraft in air commerce by prescribing regulations and setting minimum standards for other practices, methods, and procedures necessary for safety in air commerce and national security; and 49 U.S.C. 44703(a), which E:\FR\FM\16JNP1.SGM 16JNP1

Agencies

[Federal Register Volume 80, Number 115 (Tuesday, June 16, 2015)]
[Proposed Rules]
[Pages 34335-34338]
From the Federal Register Online via the Government Publishing Office [www.gpo.gov]
[FR Doc No: 2015-14282]


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DEPARTMENT OF TRANSPORTATION

Federal Aviation Administration

14 CFR Part 39

[Docket No. FAA-2014-0105; Directorate Identifier 2008-SW-58-AD]
RIN 2120-AA64


Airworthiness Directives; Airbus Helicopters (Previously 
Eurocopter France) (Airbus Helicopters) Helicopters

AGENCY: Federal Aviation Administration, DOT.

ACTION: Notice of proposed rulemaking (NPRM).

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

SUMMARY: This document proposes superseding Airworthiness Directives 
(AD) 2000-05-17 and AD 2001-04-12, which apply to Eurocopter France 
(now Airbus Helicopters) Model EC120B helicopters. AD 2000-05-17 and AD 
2001-04-12 require repetitive visual checks of the engine-to-main 
gearbox (MGB) coupling tube assembly (coupling tube) for a crack and 
replacing any cracked tube with an airworthy tube. This proposed AD 
would require removing certain engine mount parts from service, 
measuring the height of the engine mounting base for certain 
helicopters, replacing the engine mount if a certain height is 
exceeded, inspecting the flared coupling on certain helicopters for a 
crack, and replacing the coupling if it is cracked. Since we issued AD 
2000-05-17 and AD 2001-04-12, there have been reports of additional 
cracks in coupling tubes. The proposed actions are intended to prevent 
coupling tube failure, loss of engine drive, and a subsequent forced 
landing of the helicopter.

DATES: We must receive comments on this proposed AD by August 17, 2015.

ADDRESSES: You may send comments by any of the following methods:
     Federal eRulemaking Docket: Go to http://www.regulations.gov. Follow the online instructions for sending your 
comments electronically.
     Fax: 202-493-2251.
     Mail: Send comments to the U.S. Department of 
Transportation, Docket Operations, M-30, West Building Ground Floor, 
Room W12-140, 1200 New Jersey Avenue SE., Washington, DC 20590-0001.
     Hand Delivery: Deliver to the ``Mail'' address between 9 
a.m. and 5 p.m., Monday through Friday, except Federal holidays.

Examining the AD Docket

    You may examine the AD docket on the Internet at http://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 this proposed AD, the Direction 
Generale de L'Aviation Civile (DGAC) AD, the economic 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.
    For service information identified in this proposed AD, contact 
Airbus Helicopters, Inc., 2701 N. Forum Drive, Grand Prairie, Texas 
75052; telephone (972) 641-0000 or (800) 232-0323; fax (972) 641-3775; 
or at http://www.airbushelicopters.com/techpub. You may review the 
service information at the FAA, Office of the Regional Counsel, 
Southwest Region, 2601 Meacham Blvd., Room 663, Fort Worth, Texas 
76137.

FOR FURTHER INFORMATION CONTACT: James Blyn, Aviation Safety Engineer, 
Regulations and Policy Group, Rotorcraft Directorate, FAA, 2601 Meacham 
Blvd., Fort Worth, Texas

[[Page 34336]]

76137; telephone (817) 222-5110; email james.blyn@faa.gov.

SUPPLEMENTARY INFORMATION:

Comments Invited

    We invite you to participate in this rulemaking by submitting 
written comments, data, or views. We also invite comments relating to 
the economic, environmental, energy, or federalism impacts that might 
result from adopting the proposals in this document. The most helpful 
comments reference a specific portion of the proposal, explain the 
reason for any recommended change, and include supporting data. To 
ensure the docket does not contain duplicate comments, commenters 
should send only one copy of written comments, or if comments are filed 
electronically, commenters should submit only one time.
    We will file in the docket all comments that we receive, as well as 
a report summarizing each substantive public contact with FAA personnel 
concerning this proposed rulemaking. Before acting on this proposal, we 
will consider all comments we receive on or before the closing date for 
comments. We will consider comments filed after the comment period has 
closed if it is possible to do so without incurring expense or delay. 
We may change this proposal in light of the comments we receive.

Discussion

    On March 6, 2000, we issued AD 2000-05-17, Amendment 39-11627 (65 
FR 13875, March 15, 2000) for Model EC120B helicopters with engine 
coupling tube, part number (P/N) C631A1002101, installed. AD 2000-05-17 
requires recurring inspections of each coupling tube for a crack and, 
if there is a crack, replacing any cracked coupling tube with an 
airworthy, reinforced coupling tube, P/N C631A1101101, and replacing 
certain engine support fitting parts. AD 2000-05-17 also requires 
replacing all affected coupling tubes with a reinforced coupling tube 
and replacing certain engine support fitting parts by March 31, 2000. 
AD 2000-05-17 was prompted by reports of cracks on the coupling tubes.
    On February 20, 2001, we issued AD 2001-04-12, Amendment 39-12131 
(66 FR 13232, March 5, 2001), for Model EC120B helicopters with engine 
coupling tube, P/N C631A1101101, installed. AD 2001-04-12 requires a 
visual check on each coupling tube for a crack at specified intervals. 
AD 2001-04-12 was prompted by several reports of cracks on the 
reinforced coupling tube.
    AD 2000-05-17 and AD 2001-04-12 were intended to prevent coupling 
tube failure, loss of engine drive, and a subsequent forced landing.

Actions Since AD 2000-05-17 and AD 2001-04-12 Were Issued

    Since we issued AD 2000-05-17 (65 FR 13875, March 15, 2000) and AD 
2001-04-12 (66 FR 13232, March 5, 2001), there have been reports of 
additional cracks in coupling tubes. Eurocopter France (now Airbus 
Helicopters) has conducted tests and determined that the washer-type 
engine mount may, in certain cases, induce excessive loading on the 
coupling tube since the design does not allow the operators to ensure 
that all of the parts are correctly assembled. Eurocopter France (now 
Airbus Helicopters) has also determined that excessive loading results 
in binding that increases component wear of the inner diameter of the 
mounting base.
    The DGAC, on behalf of the European Aviation Safety Agency, issued 
AD No. F-2003-325 R1, dated May 12, 2004, to correct an unsafe 
condition for Model EC120B helicopters with engine coupling tube, P/N 
C631A1101101, and with an engine mount containing certain parts listed 
in Eurocopter Alert Service Bulletin (ASB) No. 04A005, dated July 16, 
2003. DGAC AD No. F-2003-325 R1 requires certain inspections for 
helicopters with an engine mount block modified in accordance with 
Eurocopter Service Bulletin (SB) No. 71-003, Revision 1, dated July 18, 
2002, replacing any coupling tube that has a crack, and increasing the 
life limit of the coupling tube from 1,000 flight hours to 20,000 
flight hours. Also, DGAC AD No. F-2003-325 R1 requires, for helicopters 
with a new spring-loaded engine suspension modification in accordance 
with Eurocopter SB No. 71-005, Revision 0, dated May 14, 2004, 
increasing the life limit of the coupling tube to 20,000 flight hours 
and canceling the repetitive inspections of the coupling tube. The DGAC 
advises that a crack was detected on a reinforced coupling tube, which 
may lead to coupling tube failure and subsequent autorotation.
    This action is intended to prevent coupling tube failure, loss of 
engine drive, and a subsequent forced landing of the helicopter.

FAA's Determination

    This helicopter has been approved by the aviation authority of 
France and is approved for operation in the United States. Pursuant to 
our bilateral agreement with France, the DGAC has kept the FAA informed 
of the situation described above. We are proposing this AD because we 
evaluated all information provided by the DGAC and determined the 
unsafe condition exists and is likely to exist or develop on other 
helicopters of these same type designs.

Related Service Information Under 1 CFR Part 51

    We reviewed the following Eurocopter service information:
     ASB No. 04A005, Revision 0, dated July 16, 2003, 
prohibits, after June 30, 2004, operating an engine mount made up of 
the following parts: support arm, P/N C714A1107201; swaged support arm, 
P/N C714A1106201; left-hand support bracket, P/N C714A1101102; and 
right-hand support bracket, P/N C714A1101103. SB No. 04A005 also 
specifies measuring the height of the engine mounting base and, if the 
height is more than 10.5 millimeters, replacing the engine mount with 
an engine mount that does not have the specified P/N. ASB No. 04A005 
does not apply to helicopters modified with an improved engine mount in 
accordance with SB No. 71-003. ASB No. 04A005 also does not apply to 
helicopters with a serial number 1170 or larger, as the specified 
engine mounts are not installed on those helicopters.
     SB No. 71-005, Revision 0, dated May 14, 2004, contains 
procedures to modify the spring-type engine suspension system and dye-
penetrant inspect the flared coupling assembly.
    This service information is reasonably available because the 
interested parties have access to it through their normal course of 
business or by the means identified in the ADDRESSES section of this 
NPRM.
    The DGAC classified the service information contained in ASB No. 
04A005 and SB No. 71-005 as mandatory and issued AD No. F-2003-325 R1, 
dated May 12, 2004, to ensure the continued airworthiness of these 
helicopters.

Other Related Service Information

    We also reviewed the following Eurocopter service information:
     SB No. 71-003, Revision 1, dated July 18, 2002, contains 
procedures to improve the engine mount.
     ASB No. 05A003, Revision 2, dated July 16, 2003, for 
helicopters that have not been modified with an improved engine mount 
in accordance with SB No. 71-003, specifies inspecting the coupling 
tube for a crack every 5 hours and establishing a coupling tube life 
limit of 1,000 hours. For helicopters that have been modified with an 
improved engine mount, ASB No. 05A003

[[Page 34337]]

specifies inspecting the coupling tube for a crack every 25 hours and 
increasing the coupling tube life limit to 20,000 hours. ASB No. 05A003 
was revised to Revision 3, dated May 11, 2004, to specify an optional 
spring-type engine suspension modification and cancel the repetitive 
inspection for this modified configuration.
    The DGAC also classified the service information contained in SB 
No. 71-003 and ASB No. 05A003 as mandatory and issued AD No. F-2003-325 
R1, dated May 12, 2004, to ensure the continued airworthiness of these 
helicopters.

Proposed AD Requirements

    This proposed AD would require:
     Before further flight, for certain helicopters, removing 
from service certain engine mount parts: support arm, P/N C714A1107201; 
swaged support arm, P/N C714A1106201; left-hand support bracket, P/N 
C714A1101102; and right-hand support bracket, P/N C714A1101103. 
Measuring the height of the engine mounting base and, if the height is 
more than 10.5 millimeters, replacing the engine mount with an engine 
mount that does not have the affected parts.
     Within 25 hours time-in-service (TIS), for certain other 
helicopters that do not have the specified engine mount parts due to 
modifications, replacing the spring-type engine suspension system and 
dye-penetrant inspecting the flared coupling for a crack. If there is a 
crack in the flared coupling, before further flight, replacing the 
coupling with an airworthy coupling.
     Before further flight, removing coupling tube, P/N 
C631A1002101 from service. This proposed AD would prohibit installing 
coupling tube, P/N C631A1002101 on any helicopter.

Differences Between This Proposed AD and the DGAC AD

    This proposed AD would require the installation of the spring-type 
engine suspension modification specified in Eurocopter SB No. 71-005 
and would not require the repetitive inspection of the coupling tube 
and the engine mount base. This proposed AD would not require you to 
contact the manufacturer.

Costs of Compliance

    We estimate out of 115 helicopters on the U.S. registry about 23 
helicopters would be affected by this proposed AD. At an average labor 
rate of $85 per work hour, we estimate the following:
     Installing new mounting arms and brackets would require 
about 12 work hours and required parts would cost $9,194, for a total 
cost per helicopter of $10,214 and $234,922 for the fleet.
     Installing the mounting spring kit would require about 14 
work hours and required parts would cost $14,621, for a total cost per 
helicopter of $15,811 and $363,653 for the fleet.
     Dye-penetrant inspecting the coupling tube would require 
about 1 work hour for a cost per helicopter of $85 and $1,955 for the 
fleet.

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 proposed AD would not have federalism 
implications under Executive Order 13132. This proposed AD would 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, I certify this proposed regulation:
    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);
    3. Will not affect intrastate aviation in Alaska to the extent that 
it justifies making a regulatory distinction; and
    4. 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 an economic evaluation of the estimated costs to comply 
with this proposed AD and placed it in the AD docket.

List of Subjects in 14 CFR Part 39

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

The Proposed Amendment

    Accordingly, under the authority delegated to me by the 
Administrator, the FAA proposes to amend 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:
0
a. Removing Airworthiness Directive (AD) 2000-05-17, Amendment 39-11627 
(65 FR 13875, March 15, 2000); and AD 2001-04-12, Amendment 39-12131 
(66 FR 13232, March 5, 2001); and
0
b. Adding the following new AD:

Airbus Helicopters (Previously Eurocopter France): Docket No. FAA-
2014-0105; Directorate Identifier 2008-SW-58-AD.

(a) Applicability

    This AD applies to Model EC120B helicopters with an engine-to-
main gearbox coupling tube assembly (coupling tube), part number (P/
N) C631A1101101 or P/N C631A1002101, installed, certificated in any 
category.

(b) Unsafe Condition

    This AD defines the unsafe condition as a crack in a coupling 
tube. This condition could result in coupling tube failure, loss of 
engine drive, and a subsequent forced landing of the helicopter.

(c) Affected ADs

    This AD supersedes AD 2000-05-17, Amendment 39-11627 (65 FR 
13875, March 15, 2000) and AD 2001-04-12, Amendment 39-12131 (66 FR 
13232, March 5, 2001).

(d) Comments Due Date

    We must receive comments by August 17, 2015.

(e) Compliance

    You are responsible for performing each action required by this 
AD within the specified compliance time unless it has already been 
accomplished prior to that time.

(f) Required Actions

    (1) For helicopters with a serial number up to and including 
1169, not modified with an improvement of the engine mount in 
accordance with Eurocopter Service Bulletin (SB) No. 71-003, 
Revision 1, dated July 18, 2002 (SB 71-003), or not modified by 
installing a spring-type engine suspension system in accordance with 
Eurocopter SB No. 71-005, Revision 0, dated May 14, 2004 (SB 71-
005), before further flight:

[[Page 34338]]

    (i) Remove from service the following engine mount parts:
    (A) Support arm, P/N C714A1107201;
    (B) Swaged support arm, P/N C714A1106201;
    (C) Left-hand support bracket, P/N C714A1101102; and
    (D) Right-hand support bracket, P/N C714A1101103.
    (ii) Measure the height of the engine mounting base as depicted 
in Figure 1 of Eurocopter Alert SB No. 04A005, Revision 0, dated 
July 16, 2003. If the height is more than 10.5 millimeters, replace 
the engine mount with an engine mount that does not have the parts 
identified in paragraph (f)(1)(i) of this AD.
    (2) For helicopters with a serial number 1170 and larger or 
helicopters modified with an improvement of the engine mount in 
accordance with SB 71-003:
    (i) Within 25 hours TIS, replace the spring-type engine 
suspension system and perform a dye-penetrant inspection of the 
flared coupling for a crack by following the Accomplishment 
Instructions, paragraphs 2.B.2.a through 2.B.2.c of SB 71-005.
    (ii) If there is a crack in the flared coupling, before further 
flight, replace the coupling with an airworthy coupling.
    (3) For helicopters with coupling tube, P/N C631A1002101, 
installed, before further flight, remove coupling tube, P/N 
C631A1002101, from service. Do not install coupling tube, P/N 
C631A1002101, on any helicopter.

(g) Special Flight Permits

    Special flight permits may be issued provided there are no 
cracks in the coupling tube attachment fitting.

(h) Alternative Methods of Compliance (AMOCs)

    (1) The Manager, Safety Management Group, FAA, may approve AMOCs 
for this AD. Send your proposal to: James Blyn, Aviation Safety 
Engineer, Regulations and Policy Group, Rotorcraft Directorate, FAA, 
2601 Meacham Blvd., Fort Worth, Texas 76137; telephone (817) 222-
5110; email james.blyn@faa.gov.
    (2) For operations conducted under a 14 CFR part 119 operating 
certificate or under 14 CFR part 91, subpart K, we suggest that you 
notify your principal inspector, or lacking a principal inspector, 
the manager of the local flight standards district office or 
certificate holding district office before operating any aircraft 
complying with this AD through an AMOC.

(i) Additional Information

    (1) Eurocopter Alert Service Bulletin (ASB) No. 05A003, Revision 
2, dated July 16, 2003, Eurocopter ASB No. 05A003, Revision 3, dated 
May 11, 2004, and Eurocopter Service Bulletin No. 71-003, Revision 
1, dated July 18, 2002, which are not incorporated by reference, 
contain additional information about the subject of this AD. For 
service information identified in this AD, contact Airbus 
Helicopters, Inc., 2701 N. Forum Drive, Grand Prairie, Texas 75052, 
telephone (972) 641-0000 or (800) 232-0323; fax (972) 641-3775; or 
at http://www.airbushelicopters.com/techpub. You may review a copy 
of the service information at the FAA, Office of the Regional 
Counsel, Southwest Region, 2601 Meacham Blvd., Room 663, Fort Worth, 
Texas 76137.
    (2) The subject of this AD is addressed in Direction Generale de 
L'Aviation Civile (DGAC) AD No. F-2003-325 R1, Revision A, dated May 
12, 2004. You may view the DGAC AD on the Internet at http://www.regulations.gov in Docket No. FAA-2014-0105.

(j) Subject

    Joint Aircraft Service Component (JASC) Code: 6310 Engine/
Transmission Coupling--Coupling Tube, Engine Mount, and Engine Mount 
Base.

    Issued in Fort Worth, Texas, on May 29, 2015.
Lance T. Gant,
Acting Directorate Manager, Rotorcraft Directorate, Aircraft 
Certification Service.
[FR Doc. 2015-14282 Filed 6-15-15; 8:45 am]
 BILLING CODE 4910-13-P