2023-24-08: Landing gear

1. The authority citation for part 39 continues to read as follows: Authority: 49 U.S.C. 106(g), 40113, 44701. 2. The FAA amends § 39.13 by adding the following new airworthiness directive: 2023-24-08 Bombardier, Inc.: Amendment 39-22625; Docket No. FAA-2023-1706; Project Identifier MCAI-2023-00039-T. (a) Effective Date This airworthiness directive (AD) is effective February 6, 2024. (b) Affected ADs None. (c) Applicability This AD applies to the Bombardier, Inc., airplanes, certificated in any category, identified in paragraphs (c)(1) through (6) of this AD. (1) Model BD-700-1A10 airplanes, as identified in Bombardier Service Bulletin 700-32-044, Revision 01, dated December 7, 2022. (2) Model BD-700-1A10 airplanes, as identified in Bombardier Service Bulletin 700-32-6021, Revision 01, dated December 7, 2022. (3) Model BD-700-1A10 airplanes, as identified in Bombardier Service Bulletin 700-32-6507, Revision 01, dated December 7, 2022. (4) Model BD-700-1A11 airplanes, as identified in Bombardier Service Bulletin 700-1A11-32-031, Revision 01, dated December 7, 2022. (5) Model BD-700-1A11 airplanes, as identified in Bombardier Service Bulletin 700-32-5021, Revision 01, dated December 7, 2022. (6) Model BD-700-1A11 airplanes, as identified in Bombardier Service Bulletin 700-32-5507, Revision 01, dated December 7, 2022. (d) Subject Air Transport Association (ATA) of America Code 32, Landing gear. (e) Unsafe Condition This AD was prompted by reports that the nose wheel steering selector valve (SSV) can be slow to deactivate under low temperature conditions. The FAA is issuing this AD to address a possible delayed transition to free caster mode in the event of an un-commanded steering input. The unsafe condition, if not addressed, could result in an aircraft runway excursion. (f) Compliance Comply with this AD within the compliance times specified, unless already done. (g) Required Action Within 66 months or 3,200 flight hours, whichever occurs first after the effective date of this AD: Replace SSV part number (P/N) 23600-101 (Bombardier P/N GW415-6275-1) with SSV P/N 23600-103 (Bombardier P/N GW415-6275-3) in accordance with the Accomplishment Instructions of the applicable Bombardier service bulletin listed in figure 1 to paragraph (g) of this AD. Figure 1 to Paragraph (g)-Service Bulletin References ER02JA24.000 (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 the applicable Bombardier service bulletin listed in figure 2 to paragraph (h) of this AD. Figure 2 to Paragraph (h)-Credit Service Bulletins ER02JA24.001 (i) Additional AD Provisions The following provisions also apply to this AD: (1) Alternative Methods of Compliance (AMOCs): The Manager, International Validation Branch, 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 responsible Flight Standards Office, as appropriate. If sending information directly to the manager of the International Validation Branch, mail it to ATTN: Program Manager, Continuing Operational Safety, at the address identified in paragraph (j)(2) of this AD or email to: [email protected]. If mailing information, also submit information by email. Before using any approved AMOC, notify your appropriate principal inspector, or lacking a principal inspector, the manager of the responsible Flight Standards Office. (2) Contacting the Manufacturer: For any requirement in this AD to obtain instructions from a manufacturer, the instructions must be accomplished using a method approved by the Manager, International Validation Branch, FAA; or Transport Canada or Bombardier, Inc.'s Transport Canada Design Approval Organization (DAO). If approved by the DAO, the approval must include the DAO-authorized signature. (j) Additional Information (1) Refer to Transport Canada AD CF-2023-02, dated January 11, 2023, for related information. This Transport Canada AD may be found in the AD docket at regulations.gov under Docket No. FAA-2023-1706. (2) For more information about this AD, contact Gabriel Kim, Aviation Safety Engineer, FAA, 1600 Stewart Avenue, Suite 410, Westbury, NY 11590; telephone 516-228-7300; email [email protected]. (k) Material Incorporated by Reference (1) The Director of the Federal Register approved the incorporation by reference (IBR) of the service information listed in this paragraph under 5 U.S.C. 552(a) and 1 CFR part 51. (2) You must use this service information as applicable to do the actions required by this AD, unless this AD specifies otherwise. (i) Bombardier Service Bulletin 700-32-044, Revision 01, dated December 7, 2022. (ii) Bombardier Service Bulletin 700-32-6021, Revision 01, dated December 7, 2022. (iii) Bombardier Service Bulletin 700-32-6507, Revision 01, dated December 7, 2022. (iv) Bombardier Service Bulletin 700-1A11-32-031, Revision 01, dated December 7, 2022. (v) Bombardier Service Bulletin 700-32-5021, Revision 01, dated December 7, 2022. (vi) Bombardier Service Bulletin 700-32-5507, Revision 01, dated December 7, 2022. (3) For service information identified in this AD, contact Bombardier Business Aircraft Customer Response Center, 400 Côte-Vertu Road West, Dorval, Québec H4S 1Y9, Canada; telephone 514-855-2999; email [email protected]; website bombardier.com. (4) You may view this service information at the FAA, Airworthiness Products Section, Operational Safety Branch, 2200 South 216th St., Des Moines, WA. For information on the availability of this material at the FAA, call 206-231-3195. (5) You may view this material at the National Archives and Records Administration (NARA). For information on the availability of this material at NARA, visit www.archives.gov/federal-register/cfr/ibr-locations or email [email protected] . Issued on November 29, 2023. Victor Wicklund, Deputy Director, Compliance & Airworthiness Division, Aircraft Certification Service. [FR Doc. 2023-28800 Filed 12-29-23; 8:45 am]BILLING CODE 4910-13-P