Airworthiness Directives; Bombardier, Inc. Airplanes, 21503-21506 [2016-08250]

Download as PDF Federal Register / Vol. 81, No. 70 / Tuesday, April 12, 2016 / Proposed Rules numbers (type certificate previously held by Cessna Aircraft Company) that are certificated in any category. (1) Airplanes previously affected by AD 2008–15–06 Model Serial Nos. (1) 175 ......... 55001 through 55703. 55704 through 56238. 28700A, 626, and 640. 56239 through 56777. (2) 175 ......... (3) 175 ......... (4) 175A ....... Year manufactured 1958. 1959. 1958 and 1959. 1960. (2) New airplane affected by this AD: Model Serial Nos. 175A ............. 619 Year manufactured 1960. (d) Subject Joint Aircraft System Component (JASC)/ Air Transport Association (ATA) of America Code 71, Power Plant. (e) Unsafe Condition This AD was prompted by the determination that an airplane needs to be added to the Applicability section and an airplane needs to be removed from the Applicability section. We are issuing this AD to detect and correct cracks in the engine mounting brackets, which could result in failure of the engine mounting bracket. This failure could lead to the engine detaching from the firewall. (f) Compliance Comply with this AD within the compliance times specified, unless already done. jstallworth on DSK7TPTVN1PROD with PROPOSALS (g) Airplane Logbook Check (1) Check the airplane logbook to determine if all four of the original engine mounting brackets have been replaced. Do the logbook check at the following compliance time, as applicable. The owner/ operator holding at least a private pilot certificate as authorized by section 43.7 may do this action. (i) For airplanes previously affected by AD 2008–15–06: Within the next 30 days after September 2, 2008 (the effective date retained from AD 2008–15–06). (ii) For the new airplane affected by this AD: Within the next 30 days after the effective date of this AD. (2) If you can positively determine that all four of the original engine mounting brackets have been replaced, no further action is required. Make an entry into the aircraft logbook showing compliance with this portion of the AD in accordance with 14 CFR 43.9. The owner/operator holding at least a private pilot certificate as authorized by section 43.7 may do this action. VerDate Sep<11>2014 15:12 Apr 11, 2016 Jkt 238001 (3) If you cannot positively determine that all four of the original engine mounting brackets have been replaced, inspect each of the upper and lower engine mounting brackets on both the left and right sides for cracks following Cessna Single Engine Service Bulletin SEB07–2, Revision 2, dated June 18, 2007. Do the inspections at the following compliance times, as applicable. (i) For airplanes previous affected by AD 2008–15–06: Initially inspect within the next 12 months after September 2, 2008 (the effective date retained from AD 2008–15–06). If no cracks are found, repetitively inspect thereafter at intervals not to exceed 500 hours time-in-service (TIS) until all four of the original engine mounting brackets are replaced. (ii) For the new airplane affected by this AD: Initially inspect within the next 12 months after the effective date of this AD. If no cracks are found, repetitively inspect thereafter at intervals not to exceed 500 hours TIS until all four of the original engine mounting brackets are replaced. (h) Engine Mounting Bracket Replacement For all airplanes affected by this AD: If cracks are found in any of the engine mounting brackets during any inspection required in paragraph (g)(3) of this AD, including all subparagraphs, before further flight after the inspection in which cracks are found, replace the cracked engine mounting bracket(s) following Cessna Single Engine Service Bulletin SEB07–2, Revision 2, dated June 18, 2007. Replacing the cracked engine mounting bracket terminates the repetitive inspections required in paragraphs (g)(3)(i) and (g)(3)(ii) of this AD only for the replaced engine mounting bracket. (i) Terminating Action To terminate the repetitive inspections required in paragraphs (g)(3)(i) and (g)(3)(ii) of this AD, you may replace all four original engine mounting brackets following Cessna Single Engine Service Bulletin SEB07–2, Revision 2, dated June 18, 2007, at the following compliance times, as applicable. (1) For airplanes previous affected by AD 2008–15–06: At any time before or after the initial inspection required in paragraph (g)(3)(i) of this AD. (2) For the new airplane affected by this AD: At any time before or after the initial inspection required in paragraph (g)(3)(ii) of this AD. (j) Engine Mounting Bracket Disposal For all airplanes affected by this AD: Before further flight after the engine mounting bracket is removed for replacement, dispose of every replaced bracket following 14 CFR 43.10, paragraph (c)(6), which states the following: ‘‘Mutilation. The part may be mutilated to deter its installation in a type certificated product. The mutilation must render the part beyond repair and incapable of being reworked to appear to be airworthy.’’ (k) Alternative Methods of Compliance (AMOCs) (1) The Manager, Wichita Aircraft Certification Office (ACO), FAA, has the authority to approve AMOCs for this AD, if PO 00000 Frm 00020 Fmt 4702 Sfmt 4702 21503 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 manager of the ACO, send it to the attention of the person identified in paragraph (l) of this AD. (2) 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. (3) AMOCs approved for AD 2008–15–06 are approved as AMOCs for the corresponding provisions of this AD. (l) Related Information (1) For more information about this AD, contact Gary Park, Aerospace Engineer, Wichita ACO, 1801 Airport Road, Room 100, Wichita, Kansas 67209; telephone: (316) 946– 4123; fax: (316) 946–4107, email: gary.park@ faa.gov. (2) For service information identified in this AD, contact Cessna Aircraft Company, Product Support, P.O. Box 7706, Wichita, Kansas 67277; telephone: (316) 517–5800; fax: (316) 942–9006; Internet: www.cessna.txtav.com. You may view this referenced service information at the FAA, FAA, Small Airplane Directorate, 901 Locust, Kansas City, Missouri 64106. For information on the availability of this material at the FAA, call (816) 329–4148. Issued in Kansas City, Missouri, on April 4, 2016. Pat Mullen, Acting Manager, Small Airplane Directorate, Aircraft Certification Service. [FR Doc. 2016–08259 Filed 4–11–16; 8:45 am] BILLING CODE 4910–13–P DEPARTMENT OF TRANSPORTATION Federal Aviation Administration 14 CFR Part 39 [Docket No. FAA–2016–5463; Directorate Identifier 2016–NM–013–AD] RIN 2120–AA64 Airworthiness Directives; Bombardier, Inc. Airplanes Federal Aviation Administration (FAA), DOT. ACTION: Notice of proposed rulemaking (NPRM). AGENCY: We propose to adopt a new airworthiness directive (AD) for certain Bombardier, Inc. Model CL–600–2C10 (Regional Jet Series 700, 701, & 702), Model CL–600–2D15 (Regional Jet Series 705), Model CL–600–2D24 (Regional Jet Series 900), and Model CL–600–2E25 (Regional Jet Series 1000) airplanes. This proposed AD was prompted by reports of corrosion found on the slat and flap torque tubes in the SUMMARY: E:\FR\FM\12APP1.SGM 12APP1 21504 Federal Register / Vol. 81, No. 70 / Tuesday, April 12, 2016 / Proposed Rules slat and flap control system. This proposed AD would require replacement of the slat and flap torque tubes in the slat and flap control system. We are proposing this AD to prevent rupture of a corroded slat or flap torque tube. This condition could result in an inoperative slat or flap system and consequent reduced controllability of the airplane. DATES: We must receive comments on this proposed AD by May 27, 2016. ADDRESSES: You may send comments, using the procedures found in 14 CFR 11.43 and 11.45, by any of the following methods: • Federal eRulemaking Portal: Go to http://www.regulations.gov. Follow the instructions for submitting comments. • Fax: 202–493–2251. • Mail: U.S. Department of Transportation, Docket Operations, M– 30, West Building Ground Floor, Room W12–140, 1200 New Jersey Avenue SE., Washington, DC 20590. • Hand Delivery: Deliver to Mail address above between 9 a.m. and 5 p.m., Monday through Friday, except Federal holidays. For service information identified in this NPRM, contact Bombardier, Inc., ˆ 400 Cote-Vertu Road West, Dorval, ´ Quebec H4S 1Y9, Canada; telephone: 514–855–5000; fax: 514–855–7401; email: thd.crj@aero.bombardier.com; Internet: http://www.bombardier.com. You may view this referenced service information at the FAA, Transport Airplane Directorate, 1601 Lind Avenue SW., Renton, WA. For information on the availability of this material at the FAA, call 425–227–1221. Examining the AD Docket You may examine the AD docket on the Internet at http:// www.regulations.gov by searching for and locating Docket No. FAA–2016– 5463; or in person at the Docket Management Facility between 9 a.m. and 5 p.m., Monday through Friday, except Federal holidays. The AD docket contains this proposed AD, 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. FOR FURTHER INFORMATION CONTACT: Cesar Gomez, Aerospace Engineer, Airframe and Mechanical Systems Branch, ANE–171, FAA, New York Aircraft Certification Office (ACO), 1600 Stewart Avenue, Suite 410, Westbury, New York 11590; telephone: 516–228– 7318; fax: 516–794–5531. SUPPLEMENTARY INFORMATION: Comments Invited We invite you to send any written relevant data, views, or arguments about this proposed AD. Send your comments to an address listed under the ADDRESSES section. Include ‘‘Docket No. FAA–2016–5463; Directorate Identifier 2016–NM–013–AD’’ at the beginning of your comments. We specifically invite comments on the overall regulatory, economic, environmental, and energy aspects of this proposed AD. We will consider all comments received by the closing date and may amend this proposed AD based on those comments. We will post all comments we receive, without change, to http:// www.regulations.gov, including any personal information you provide. We will also post a report summarizing each substantive verbal contact we receive about this proposed AD. Discussion Transport Canada Civil Aviation (TCCA), which is the aviation authority for Canada, has issued Canadian AD CF–2016–03R1, dated February 18, 2016 (referred to after this as the Mandatory Continuing Airworthiness Information, or ‘‘the MCAI’’), to correct an unsafe condition for certain Bombardier, Inc. Model CL–600–2C10 (Regional Jet Series 700, 701, & 702), Model CL–600– 2D15 (Regional Jet Series 705), Model CL–600–2D24 (Regional Jet Series 900), and Model CL–600–2E25 (Regional Jet Series 1000) airplanes. The MCAI states: There have been a number of reports of corrosion found on the torque tubes in the slat and flap control system. Investigation revealed that the current design of the flap and slat torque tubes do not have proper corrosion protection and are not entirely sealed which leads to moisture ingress and internal corrosion. A corroded tube may rupture resulting in an inoperative slat or flap system, or in a worst case scenario, could result in reduced controllability of the aeroplane. This [Canadian] AD mandates the replacement of affected slat and flap system torque tubes with [new or] modified torque tubes. This [Canadian] AD was revised to add the statement that accomplishment of the initial Service Bulletin (SB) 670BA–27–067, dated 15 January 2015 also meets the requirements of this AD and to correct the editorial error for the release date of SB 670BA–27–067, Revision A. You may examine the MCAI in the AD docket on the Internet at http:// www.regulations.gov by searching for and locating Docket No. FAA–2016– 5463. Related Service Information Under 1 CFR Part 51 We reviewed Bombardier Service Bulletin 670BA–27–067, Revision A, dated February 23, 2015. This service information describes procedures for replacement of the slat and flap torque tubes in the slat and flap control system. 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. FAA’s Determination and Requirements of This Proposed AD This product has been approved by the aviation authority of another country, and is approved for operation in the United States. Pursuant to our bilateral agreement with the State of Design Authority, we have been notified of the unsafe condition described in the MCAI and service information referenced above. We are proposing this AD because we evaluated all pertinent information and determined an unsafe condition exists and is likely to exist or develop on other products of these same type designs. Costs of Compliance We estimate that this proposed AD affects 509 airplanes of U.S. registry. We estimate the following costs to comply with this proposed AD: jstallworth on DSK7TPTVN1PROD with PROPOSALS ESTIMATED COSTS Action Labor cost Parts cost Cost per product Cost on U.S. operators Replacement of the slat and flap torque tubes 34 work-hours × $85 per hour = $2,890 ........ $105,000 $107,890 $54,916,010 According to the parts manufacturer, some of the costs of this proposed AD VerDate Sep<11>2014 15:12 Apr 11, 2016 Jkt 238001 may be covered under warranty, thereby reducing the cost impact on affected PO 00000 Frm 00021 Fmt 4702 Sfmt 4702 individuals. We do not control warranty coverage for affected individuals. As a E:\FR\FM\12APP1.SGM 12APP1 Federal Register / Vol. 81, No. 70 / Tuesday, April 12, 2016 / Proposed Rules result, we have included all costs in our cost estimate. 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 above, 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; 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. jstallworth on DSK7TPTVN1PROD with PROPOSALS 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: ■ VerDate Sep<11>2014 15:12 Apr 11, 2016 Jkt 238001 Authority: 49 U.S.C. 106(g), 40113, 44701. § 39.13 [Amended] 2. The FAA amends § 39.13 by adding the following new airworthiness directive (AD): ■ Bombardier, Inc.: Docket No. FAA–2016– 5463; Directorate Identifier 2016–NM– 013–AD. (a) Comments Due Date We must receive comments by May 27, 2016. (b) Affected ADs None. (c) Applicability This AD applies to the airplanes, certificated in any category, identified in paragraphs (c)(1), (c)(2), (c)(3), and (c)(4) of this AD. (1) Bombardier, Inc. Model CL–600–2C10 (Regional Jet Series 700, 701, & 702) airplanes, serial numbers 10002 through 10342 inclusive. (2) Bombardier, Inc. Model CL–600–2D15 (Regional Jet Series 705) airplanes, serial numbers 15001 through 15361 inclusive. (3) Bombardier, Inc. Model CL–600–2D24 (Regional Jet Series 900) airplanes, serial numbers 15001 through 15361 inclusive. (4) Bombardier, Inc. Model CL–600–2E25 (Regional Jet Series 1000) airplanes, serial numbers 19001 through 19041 inclusive. (d) Subject Air Transport Association (ATA) of America Code 27, Flight controls. (e) Reason This AD was prompted by reports of corrosion found on the slat and flap torque tubes in the slat and flap control system. We are issuing this AD to prevent rupture of a corroded slat or flap torque tube. This condition could result in an inoperative slat or flap system and consequent reduced controllability of the airplane. (f) Compliance Comply with this AD within the compliance times specified, unless already done. (g) Replace Slat and Flap Torque Tubes in the Slat and Flap Control System Within the compliance times specified in paragraph (g)(1), (g)(2), or (g)(3) of this AD, as applicable: Replace the slat and flap torque tubes in the slat and flap control system with new or modified slat and flap torque tubes, in accordance with the Accomplishment Instructions of Bombardier Service Bulletin 670BA–27–067, Revision A, dated February 23, 2015. (1) For airplanes that have accumulated 28,000 total flight hours or less as of the effective date of this AD, or with 137 months or less since the date of issuance of the original Canadian certificate of airworthiness or date of issuance of the original Canadian export certificate of airworthiness as of the effective date of this AD: Before the accumulation of 34,000 total flight hours or within 167 months since the date of issuance PO 00000 Frm 00022 Fmt 4702 Sfmt 4702 21505 of the original Canadian certificate of airworthiness or date of issuance of the original Canadian export certificate of airworthiness, whichever occurs first. (2) For airplanes that have accumulated more than 28,000 total flight hours but not more than 36,000 total flight hours as of the effective date of this AD, and with more than 137 months but not more than 176 months since the date of issuance of the original Canadian certificate of airworthiness or date of issuance of the original Canadian export certificate of airworthiness as of the effective date of this AD: At the earlier of the times specified in paragraphs (g)(2)(i) and (g)(2)(ii) of this AD. (i) Within 6,000 flight hours or 30 months, whichever occurs first, after the effective date of this AD. (ii) Before the accumulation of 38,000 total flight hours, or within 186 months since the date of issuance of the original Canadian certificate of airworthiness or date of issuance of the original Canadian export certificate of airworthiness, whichever occurs first. (3) For airplanes that have accumulated more than 36,000 total flight hours as of the effective date of this AD, or with more than 176 months since the date of issuance of the original Canadian certificate of airworthiness or date of issuance of the original Canadian export certificate of airworthiness as of the effective date of this AD: Within 2,000 flight hours or 10 months, whichever occurs first, after the effective date of this AD. (h) Credit for Previous Actions This paragraph provides credit for actions required by paragraph (g) of this AD, if those actions were performed before the effective date of this AD using Bombardier Service Bulletin 670BA–27–067, dated January 15, 2015, which is not incorporated by reference in this AD. (i) Other FAA AD Provisions The following provisions also apply to this AD: (1) Alternative Methods of Compliance (AMOCs): The Manager, New York Aircraft Certification Office (ACO), ANE–170, 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 ACO, send it to ATTN: Program Manager, Continuing Operational Safety, FAA, New York ACO, 1600 Stewart Avenue, Suite 410, Westbury, NY 11590; telephone: 516–228–7300; fax: 516–794– 5531. 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) Contacting the Manufacturer: For any requirement in this AD to obtain corrective actions from a manufacturer, the action must be accomplished using a method approved by the Manager, New York ACO, ANE–170, FAA; or Transport Canada Civil Aviation E:\FR\FM\12APP1.SGM 12APP1 21506 Federal Register / Vol. 81, No. 70 / Tuesday, April 12, 2016 / Proposed Rules (TCCA); or Bombardier, Inc.’s TCCA Design Approval Organization (DAO). If approved by the DAO, the approval must include the DAO-authorized signature. (j) Related Information (1) Refer to Mandatory Continuing Airworthiness Information (MCAI) Canadian AD CF–2016–03R1, dated February 18, 2016, for related information. This MCAI may be found in the AD docket on the Internet at http://www.regulations.gov by searching for and locating Docket No. FAA–2016–5463. (2) For service information identified in ˆ this AD, contact Bombardier, Inc., 400 Cote´ Vertu Road West, Dorval, Quebec H4S 1Y9, Canada; telephone: 514–855–5000; fax: 514– 855–7401; email: thd.crj@ aero.bombardier.com; Internet: http:// www.bombardier.com. You may view this service information at the FAA, Transport Airplane Directorate, 1601 Lind Avenue SW., Renton, WA. For information on the availability of this material at the FAA, call 425–227–1221. Issued in Renton, Washington, on March 31, 2016. Victor Wicklund, Acting Manager, Transport Airplane Directorate, Aircraft Certification Service. [FR Doc. 2016–08250 Filed 4–11–16; 8:45 am] BILLING CODE 4910–13–P POSTAL REGULATORY COMMISSION 39 CFR Part 3020 [Docket No. RM2016–8; Order No. 3213] Mail Classification Schedule Postal Regulatory Commission. Proposed rulemaking. AGENCY: ACTION: The Commission is proposing rules which amend existing rules related to the Mail Classification Schedule and its associated product lists. The proposed rules revise some existing rules in order to better conform with current Commission practices related to the Mail Classification Schedule. The Commission invites public comment on the proposed rules. DATES: Comments are due: May 12, 2016. FOR FURTHER INFORMATION CONTACT: David A. Trissell, General Counsel, at 202–789–6820. SUPPLEMENTARY INFORMATION: SUMMARY: jstallworth on DSK7TPTVN1PROD with PROPOSALS Table of Contents I. Introduction II. History III. Rule Modifications IV. Public Representative V. Invitation of Comments VI. Ordering Paragraphs I. Introduction This rulemaking is initiated by the Postal Regulatory Commission VerDate Sep<11>2014 15:12 Apr 11, 2016 Jkt 238001 (Commission) to fulfill its responsibilities under the Postal Accountability and Enhancement Act (PAEA), Public Law 109–435, 120 Stat. 3198 (2006). The proposed rules amend existing rules concerning the Mail Classification Schedule (MCS) and the associated market dominant and competitive product lists. The proposals amend existing rules to conform to the current practice of publishing the MCS on the Commission’s Web site at www.prc.gov, noticing changes to the market dominant and competitive product lists in the Federal Register, and publishing the market dominant and competitive product lists in the Code of Federal Regulations (CFR). The proposed rules replace existing 39 CFR part 3020, subpart A in its entirety. Conforming changes also are proposed for 39 CFR part 3020, subparts B, C, and D. The proposed text for these rules appears after the signature of this Order. II. History On October 29, 2007, the Commission issued Order No. 43, which in part established rules concerning the MCS, and the market dominant and competitive product lists.1 It also directed publication of an MCS outline in the CFR that was limited to a table of contents and the market dominant and competitive product lists. Order No. 43, Appendix A. These rules, including the appendix, were codified at 39 CFR part 3020. The Commission, in Docket No. RM2007–1, also began the process of developing a comprehensive MCS.2 This task was not complete at the time the Commission issued Order No. 43. When an initial proposed MCS was complete, the Commission initiated Docket No. RM2011–8 to incorporate it into the CFR.3 The proposed MCS was to replace the existing outline of the MCS. The Commission solicited and received comments on both the proposed MCS and the corresponding rules. The suggestions provided in the 1 Docket No. RM2007–1, Order Establishing Ratemaking Regulations for Market Dominant and Competitive Products, October 29, 2007, at 99–108, 138–154 (Order No. 43); 72 FR 64155, November 15, 2007. 2 Docket No. RM2007–1, Order No. 26, Order Proposing Regulations to Establish a System of Ratemaking, August 15, 2007, at 2, 82–83; 72 FR 50744, September 4, 2007. See also Order No. 43 at 99. 3 Docket No. RM2011–8, Order No. 666, Notice of Proposed Rulemaking Concerning Mail Classification Schedule, February 7, 2011; Docket No. RM2011–8, Order No. 758, Notice of Proposed Rulemaking Concerning Mail Classification Schedule (Revising Order No. 666), July 12, 2011; 76 FR 51311 (Aug. 18, 2011) (to be codified at 39 CFR part 3020, subpart A). PO 00000 Frm 00023 Fmt 4702 Sfmt 4702 comments were extremely helpful in further developing the MCS and have been incorporated into the rule proposals appearing in the instant rulemaking. From an administrative perspective, the rulemaking also required the Commission to develop internal procedures for implementing the proposed rules. This included procedures for publishing timely updates to the MCS and the associated product lists appearing in the CFR. Because of the continuous flow of Postal Service proposals to add or modify products, the Commission recognized that keeping the CFR-published MCS and the associated product lists current would require updates on a weekly, if not daily, basis. With the procedures envisioned and the anticipated frequency of updates, the Commission concluded that it would incur prohibitive publication costs and challenging resource burdens.4 In the interim, the Postal Service and the Commission each maintained versions of the MCS. The Postal Service used its version when presenting price and classification proposals to the Commission for evaluation. This required the Commission to first resolve any differences between the Commission’s version of the MCS and the Postal Service’s version of the MCS before considering the Postal Service’s proposals. On April 1, 2013, the Commission published its version of the MCS to the Commission’s Web site.5 This provided visibility to all interested persons participating in Commission proceedings as to current prices and classifications. From this point forward, the Postal Service submitted its proposed price and classification changes based on this version of the MCS. The Commission developed internal procedures for updating the draft MCS appearing on its Web site on approximately a monthly basis. The Commission displays all changes in redline, as had been requested by the Postal Service. The redline changes are incorporated, and a new baseline MCS created, at the conclusion of major price or classification proceedings. All prior versions of the MCS are archived and available on the Web site for reference. 4 The Commission also explored a ‘‘publication by reference’’ approach with the Federal Register. This approach presented an equal number of challenges to the Commission and was dropped from consideration. 5 Notice of Posting Draft Mail Classification Schedule to the Commission’s Web site, April 1, 2013. At this stage in the development of the MCS, the Commission’s version and the Postal Service’s version were nearly identical. E:\FR\FM\12APP1.SGM 12APP1

Agencies

[Federal Register Volume 81, Number 70 (Tuesday, April 12, 2016)]
[Proposed Rules]
[Pages 21503-21506]
From the Federal Register Online via the Government Publishing Office [www.gpo.gov]
[FR Doc No: 2016-08250]


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DEPARTMENT OF TRANSPORTATION

Federal Aviation Administration

14 CFR Part 39

[Docket No. FAA-2016-5463; Directorate Identifier 2016-NM-013-AD]
RIN 2120-AA64


Airworthiness Directives; Bombardier, Inc. Airplanes

AGENCY: Federal Aviation Administration (FAA), DOT.

ACTION: Notice of proposed rulemaking (NPRM).

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

SUMMARY: We propose to adopt a new airworthiness directive (AD) for 
certain Bombardier, Inc. Model CL-600-2C10 (Regional Jet Series 700, 
701, & 702), Model CL-600-2D15 (Regional Jet Series 705), Model CL-600-
2D24 (Regional Jet Series 900), and Model CL-600-2E25 (Regional Jet 
Series 1000) airplanes. This proposed AD was prompted by reports of 
corrosion found on the slat and flap torque tubes in the

[[Page 21504]]

slat and flap control system. This proposed AD would require 
replacement of the slat and flap torque tubes in the slat and flap 
control system. We are proposing this AD to prevent rupture of a 
corroded slat or flap torque tube. This condition could result in an 
inoperative slat or flap system and consequent reduced controllability 
of the airplane.

DATES: We must receive comments on this proposed AD by May 27, 2016.

ADDRESSES: You may send comments, using the procedures found in 14 CFR 
11.43 and 11.45, by any of the following methods:
     Federal eRulemaking Portal: Go to http://www.regulations.gov. Follow the instructions for submitting comments.
     Fax: 202-493-2251.
     Mail: U.S. Department of Transportation, Docket 
Operations, M-30, West Building Ground Floor, Room W12-140, 1200 New 
Jersey Avenue SE., Washington, DC 20590.
     Hand Delivery: Deliver to Mail address above between 9 
a.m. and 5 p.m., Monday through Friday, except Federal holidays.
    For service information identified in this NPRM, contact 
Bombardier, Inc., 400 C[ocirc]te-Vertu Road West, Dorval, Qu[eacute]bec 
H4S 1Y9, Canada; telephone: 514-855-5000; fax: 514-855-7401; email: 
thd.crj@aero.bombardier.com; Internet: http://www.bombardier.com. You 
may view this referenced service information at the FAA, Transport 
Airplane Directorate, 1601 Lind Avenue SW., Renton, WA. For information 
on the availability of this material at the FAA, call 425-227-1221.

Examining the AD Docket

    You may examine the AD docket on the Internet at http://www.regulations.gov by searching for and locating Docket No. FAA-2016-
5463; or in person at the Docket Management Facility between 9 a.m. and 
5 p.m., Monday through Friday, except Federal holidays. The AD docket 
contains this proposed AD, 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.

FOR FURTHER INFORMATION CONTACT: Cesar Gomez, Aerospace Engineer, 
Airframe and Mechanical Systems Branch, ANE-171, FAA, New York Aircraft 
Certification Office (ACO), 1600 Stewart Avenue, Suite 410, Westbury, 
New York 11590; telephone: 516-228-7318; fax: 516-794-5531.

SUPPLEMENTARY INFORMATION: 

Comments Invited

    We invite you to send any written relevant data, views, or 
arguments about this proposed AD. Send your comments to an address 
listed under the ADDRESSES section. Include ``Docket No. FAA-2016-5463; 
Directorate Identifier 2016-NM-013-AD'' at the beginning of your 
comments. We specifically invite comments on the overall regulatory, 
economic, environmental, and energy aspects of this proposed AD. We 
will consider all comments received by the closing date and may amend 
this proposed AD based on those comments.
    We will post all comments we receive, without change, to http://www.regulations.gov, including any personal information you provide. We 
will also post a report summarizing each substantive verbal contact we 
receive about this proposed AD.

Discussion

    Transport Canada Civil Aviation (TCCA), which is the aviation 
authority for Canada, has issued Canadian AD CF-2016-03R1, dated 
February 18, 2016 (referred to after this as the Mandatory Continuing 
Airworthiness Information, or ``the MCAI''), to correct an unsafe 
condition for certain Bombardier, Inc. Model CL-600-2C10 (Regional Jet 
Series 700, 701, & 702), Model CL-600-2D15 (Regional Jet Series 705), 
Model CL-600-2D24 (Regional Jet Series 900), and Model CL-600-2E25 
(Regional Jet Series 1000) airplanes. The MCAI states:

    There have been a number of reports of corrosion found on the 
torque tubes in the slat and flap control system. Investigation 
revealed that the current design of the flap and slat torque tubes 
do not have proper corrosion protection and are not entirely sealed 
which leads to moisture ingress and internal corrosion. A corroded 
tube may rupture resulting in an inoperative slat or flap system, or 
in a worst case scenario, could result in reduced controllability of 
the aeroplane. This [Canadian] AD mandates the replacement of 
affected slat and flap system torque tubes with [new or] modified 
torque tubes.
    This [Canadian] AD was revised to add the statement that 
accomplishment of the initial Service Bulletin (SB) 670BA-27-067, 
dated 15 January 2015 also meets the requirements of this AD and to 
correct the editorial error for the release date of SB 670BA-27-067, 
Revision A.
    You may examine the MCAI in the AD docket on the Internet at http://www.regulations.gov by searching for and locating Docket No. FAA-2016-
5463.

Related Service Information Under 1 CFR Part 51

    We reviewed Bombardier Service Bulletin 670BA-27-067, Revision A, 
dated February 23, 2015. This service information describes procedures 
for replacement of the slat and flap torque tubes in the slat and flap 
control system. 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.

FAA's Determination and Requirements of This Proposed AD

    This product has been approved by the aviation authority of another 
country, and is approved for operation in the United States. Pursuant 
to our bilateral agreement with the State of Design Authority, we have 
been notified of the unsafe condition described in the MCAI and service 
information referenced above. We are proposing this AD because we 
evaluated all pertinent information and determined an unsafe condition 
exists and is likely to exist or develop on other products of these 
same type designs.

Costs of Compliance

    We estimate that this proposed AD affects 509 airplanes of U.S. 
registry.
    We estimate the following costs to comply with this proposed AD:

                                                 Estimated Costs
----------------------------------------------------------------------------------------------------------------
                                                                                    Cost per       Cost on U.S.
               Action                        Labor cost           Parts cost        product         operators
----------------------------------------------------------------------------------------------------------------
Replacement of the slat and flap      34 work-hours x $85 per        $105,000         $107,890      $54,916,010
 torque tubes.                         hour = $2,890.
----------------------------------------------------------------------------------------------------------------
 

    According to the parts manufacturer, some of the costs of this 
proposed AD may be covered under warranty, thereby reducing the cost 
impact on affected individuals. We do not control warranty coverage for 
affected individuals. As a

[[Page 21505]]

result, we have included all costs in our cost estimate.

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 above, 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; 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.

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 adding the following new airworthiness 
directive (AD):

Bombardier, Inc.: Docket No. FAA-2016-5463; Directorate Identifier 
2016-NM-013-AD.

(a) Comments Due Date

    We must receive comments by May 27, 2016.

(b) Affected ADs

    None.

(c) Applicability

    This AD applies to the airplanes, certificated in any category, 
identified in paragraphs (c)(1), (c)(2), (c)(3), and (c)(4) of this 
AD.
    (1) Bombardier, Inc. Model CL-600-2C10 (Regional Jet Series 700, 
701, & 702) airplanes, serial numbers 10002 through 10342 inclusive.
    (2) Bombardier, Inc. Model CL-600-2D15 (Regional Jet Series 705) 
airplanes, serial numbers 15001 through 15361 inclusive.
    (3) Bombardier, Inc. Model CL-600-2D24 (Regional Jet Series 900) 
airplanes, serial numbers 15001 through 15361 inclusive.
    (4) Bombardier, Inc. Model CL-600-2E25 (Regional Jet Series 
1000) airplanes, serial numbers 19001 through 19041 inclusive.

(d) Subject

    Air Transport Association (ATA) of America Code 27, Flight 
controls.

(e) Reason

    This AD was prompted by reports of corrosion found on the slat 
and flap torque tubes in the slat and flap control system. We are 
issuing this AD to prevent rupture of a corroded slat or flap torque 
tube. This condition could result in an inoperative slat or flap 
system and consequent reduced controllability of the airplane.

(f) Compliance

    Comply with this AD within the compliance times specified, 
unless already done.

(g) Replace Slat and Flap Torque Tubes in the Slat and Flap Control 
System

    Within the compliance times specified in paragraph (g)(1), 
(g)(2), or (g)(3) of this AD, as applicable: Replace the slat and 
flap torque tubes in the slat and flap control system with new or 
modified slat and flap torque tubes, in accordance with the 
Accomplishment Instructions of Bombardier Service Bulletin 670BA-27-
067, Revision A, dated February 23, 2015.
    (1) For airplanes that have accumulated 28,000 total flight 
hours or less as of the effective date of this AD, or with 137 
months or less since the date of issuance of the original Canadian 
certificate of airworthiness or date of issuance of the original 
Canadian export certificate of airworthiness as of the effective 
date of this AD: Before the accumulation of 34,000 total flight 
hours or within 167 months since the date of issuance of the 
original Canadian certificate of airworthiness or date of issuance 
of the original Canadian export certificate of airworthiness, 
whichever occurs first.
    (2) For airplanes that have accumulated more than 28,000 total 
flight hours but not more than 36,000 total flight hours as of the 
effective date of this AD, and with more than 137 months but not 
more than 176 months since the date of issuance of the original 
Canadian certificate of airworthiness or date of issuance of the 
original Canadian export certificate of airworthiness as of the 
effective date of this AD: At the earlier of the times specified in 
paragraphs (g)(2)(i) and (g)(2)(ii) of this AD.
    (i) Within 6,000 flight hours or 30 months, whichever occurs 
first, after the effective date of this AD.
    (ii) Before the accumulation of 38,000 total flight hours, or 
within 186 months since the date of issuance of the original 
Canadian certificate of airworthiness or date of issuance of the 
original Canadian export certificate of airworthiness, whichever 
occurs first.
    (3) For airplanes that have accumulated more than 36,000 total 
flight hours as of the effective date of this AD, or with more than 
176 months since the date of issuance of the original Canadian 
certificate of airworthiness or date of issuance of the original 
Canadian export certificate of airworthiness as of the effective 
date of this AD: Within 2,000 flight hours or 10 months, whichever 
occurs first, after the effective date of this AD.

(h) Credit for Previous Actions

    This paragraph provides credit for actions required by paragraph 
(g) of this AD, if those actions were performed before the effective 
date of this AD using Bombardier Service Bulletin 670BA-27-067, 
dated January 15, 2015, which is not incorporated by reference in 
this AD.

(i) Other FAA AD Provisions

    The following provisions also apply to this AD:
    (1) Alternative Methods of Compliance (AMOCs): The Manager, New 
York Aircraft Certification Office (ACO), ANE-170, 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 ACO, send it to ATTN: Program Manager, Continuing 
Operational Safety, FAA, New York ACO, 1600 Stewart Avenue, Suite 
410, Westbury, NY 11590; telephone: 516-228-7300; fax: 516-794-5531. 
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) Contacting the Manufacturer: For any requirement in this AD 
to obtain corrective actions from a manufacturer, the action must be 
accomplished using a method approved by the Manager, New York ACO, 
ANE-170, FAA; or Transport Canada Civil Aviation

[[Page 21506]]

(TCCA); or Bombardier, Inc.'s TCCA Design Approval Organization 
(DAO). If approved by the DAO, the approval must include the DAO-
authorized signature.

(j) Related Information

    (1) Refer to Mandatory Continuing Airworthiness Information 
(MCAI) Canadian AD CF-2016-03R1, dated February 18, 2016, for 
related information. This MCAI may be found in the AD docket on the 
Internet at http://www.regulations.gov by searching for and locating 
Docket No. FAA-2016-5463.
    (2) For service information identified in this AD, contact 
Bombardier, Inc., 400 C[ocirc]te-Vertu Road West, Dorval, 
Qu[eacute]bec H4S 1Y9, Canada; telephone: 514-855-5000; fax: 514-
855-7401; email: thd.crj@aero.bombardier.com; Internet: http://www.bombardier.com. You may view this service information at the 
FAA, Transport Airplane Directorate, 1601 Lind Avenue SW., Renton, 
WA. For information on the availability of this material at the FAA, 
call 425-227-1221.

    Issued in Renton, Washington, on March 31, 2016.
Victor Wicklund,
Acting Manager, Transport Airplane Directorate, Aircraft Certification 
Service.
[FR Doc. 2016-08250 Filed 4-11-16; 8:45 am]
 BILLING CODE 4910-13-P