2023-26-08: Flight Controls

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: 2023-26-08 Bombardier, Inc.: Amendment 39-22651; Docket No. FAA-2023-1219; Project Identifier MCAI-2023-00004-T. (a) Effective Date This airworthiness directive (AD) is effective March 20, 2024. (b) Affected ADs None. (c) Applicability This AD applies to Bombardier, Inc., Model CL-600-2B16 (604 Variant) airplanes, certificated in any category, serial numbers (S/N) 5301 through 5665 inclusive, 5701 through 5988 inclusive, and 6050 through 6174 inclusive. (d) Subject Air Transport Association (ATA) of America Code: 27, Flight Controls. (e) Unsafe Condition This AD was prompted by a determination that a combination of system faults and procedural actions will cause the ground spoilers to deploy in the air. The FAA is issuing this AD to address possible ground spoiler deployment in the air leading to reduced controllability of the airplane, or excessive loss of altitude on final approach. (f) Compliance Comply with this AD within the compliance times specified, unless already done. (g) Revision of Existing AFM Within 60 days after the effective date of this AD: Do the applicable actions specified in paragraphs (g)(1) through (3) of this AD. (1) For Model CL-600-2B16 (604 variant) airplanes, S/N 5301 through 5665 inclusive: Revise the existing airplane flight manual (AFM) to incorporate the information specified in paragraphs (g)(1)(i) and (ii) of this AD. (i) Sub-sub-section L, "Ground Spoilers Unsafe," of sub-section 1, "Flight Controls," of Section 05-11, "Flight Controls," of Chapter 5, ABNORMAL PROCEDURES, of Bombardier Challenger 604 Airplane Flight Manual, Publication No. PSP 604-1, Revision 125, dated March 14, 2022. (ii) Sub-sub-section H, "Weight-on-Wheels Input Fault," of sub-section 1, "Landing Gear, Wheel and Brake System," of Section 05-16, "Landing Gear, Wheel and Brake System," of Chapter 5, ABNORMAL PROCEDURES, of Bombardier Challenger 604 Airplane Flight Manual, Publication No. PSP 604-1, Revision 125, dated March 14, 2022. Note 1 to paragraph (g)(1): For obtaining Bombardier Challenger 604 Airplane Flight Manual, Publication No. PSP 604-1, use Document Identification No. CH 604 AFM. (2) For Model CL-600-2B16 (604 variant) airplanes, S/N 5701 through 5988 inclusive: Revise the existing AFM to incorporate the information specified in paragraphs (g)(2)(i) and (ii) of this AD. (i) Sub-sub-section L, "Ground Spoilers Unsafe," of sub-section 1, "Flight Controls," of Section 05-11, "Flight Controls," of Chapter 5, ABNORMAL PROCEDURES, of Bombardier Challenger 605 Airplane Flight Manual, Publication No. PSP 605-1, Revision 63, dated March 14, 2022. (ii) Sub-sub-section H, "Weight-on-Wheels Input Fault," of sub-section 1, "Landing Gear, Wheel and Brake System," of Section 05-16, "Landing Gear, Wheel and Brake System," of Chapter 5, ABNORMAL PROCEDURES, of Bombardier Challenger 605 Airplane Flight Manual, Publication No. PSP 605-1, Revision 63, dated March 14, 2022. Note 2 to paragraph (g)(2): For obtaining Bombardier Challenger 605 Airplane Flight Manual, Publication No. PSP 605-1, use Document Identification No. CH 605 AFM. (3) For Model CL-600-2B16 (604 variant) airplanes, S/N 6050 through 6174 inclusive: Revise the existing AFM to incorporate the information specified in paragraphs (g)(3)(i) and (ii) of this AD. (i) Sub-sub-section L, "Ground Spoilers Unsafe," of sub-section 1, "Flight Controls," of Section 05-11, "Flight Controls," of Chapter 5, ABNORMAL PROCEDURES, of Bombardier Challenger 650 Airplane Flight Manual, Publication No. PSP 650-1, Revision 28, dated March 14, 2022. (ii) Sub-sub-section H, "Weight-on-Wheels Input Fault," of sub-section 1, "Landing Gear, Wheel and Brake System," of Section 05-16, "Landing Gear, Wheel and Brake System," of Chapter 5, ABNORMAL PROCEDURES, of Bombardier Challenger 650 Airplane Flight Manual, Publication No. PSP 650-1, Revision 28, dated March 14, 2022. Note 3 to paragraph (g)(3): For obtaining Bombardier Challenger 650 Airplane Flight Manual, Publication No. PSP 650-1, use Document Identification No. CH 650 AFM. (h) 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 International Validation Branch, send it to the attention of the person identified in paragraph (i)(2) of this AD. Information may be emailed to: [email protected]. 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. (i) Additional Information (1) Refer to Transport Canada AD CF-2023-01, dated January 4, 2023, for related information. This Transport Canada AD may be found in the AD docket at regulations.gov under Docket No. FAA-2023-1219. (2) For more information about this AD, contact William Reisenauer, Aviation Safety Engineer, FAA, 1600 Stewart Avenue, Suite 410, Westbury, NY 11590; telephone 516-228-7300; email [email protected]. (j) 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) Sub-sub-section L, "Ground Spoilers Unsafe," of sub-section 1, "Flight Controls," of Section 05-11, "Flight Controls," of Chapter 5, ABNORMAL PROCEDURES, of Bombardier Challenger 604 Airplane Flight Manual, Publication No. PSP 604-1, Revision 125, dated March 14, 2022. Note 4 to paragraph (j)(2)(i): This note applies to paragraphs (j)(2)(i) and (ii) of this AD. For obtaining Bombardier Challenger 604 Airplane Flight Manual, Publication No. PSP 604-1, use Document Identification No. CH 604 AFM. (ii) Sub-sub-section H, "Weight-on-Wheels Input Fault," of sub-section 1, "Landing Gear, Wheel and Brake System," of Section 05-16, "Landing Gear, Wheel and Brake System," of Chapter 5, ABNORMAL PROCEDURES, of Bombardier Challenger 604 Airplane Flight Manual, Publication No. PSP 604-1, Revision 125, dated March 14, 2022. (iii) Sub-sub-section L, "Ground Spoilers Unsafe," of sub-section 1, "Flight Controls," of Section 05-11, "Flight Controls," of Chapter 5, ABNORMAL PROCEDURES, of Bombardier Challenger 605 Airplane Flight Manual, Publication No. PSP 605-1, Revision 63, dated March 14, 2022. Note 5 to paragraph (j)(2)(iii): This note applies to paragraphs (j)(2)(iii) and (iv) of this AD. For obtaining Bombardier Challenger 605 Airplane Flight Manual, Publication No. PSP 605-1, use Document Identification No. CH 605 AFM. (iv) Sub-sub-section H, "Weight-on-Wheels Input Fault," of sub-section 1, "Landing Gear, Wheel and Brake System," of Section 05-16, "Landing Gear, Wheel and Brake System," of Chapter 5, ABNORMAL PROCEDURES, of Bombardier Challenger 605 Airplane Flight Manual, Publication No. PSP 605-1, Revision 63, dated March 14, 2022. (v) Sub-sub-section L, "Ground Spoilers Unsafe," of sub-section 1, "Flight Controls," of Section 05-11, "Flight Controls," of Chapter 5, ABNORMAL PROCEDURES, of Bombardier Challenger 650 Airplane Flight Manual, Publication No. PSP 650-1, Revision 28, dated March 14, 2022. Note 6 to paragraph (j)(2)(v): This note applies to paragraphs (j)(2)(v) and (vi) of this AD. For obtaining Bombardier Challenger 650 Airplane Flight Manual, Publication No. PSP 650-1, use Document Identification No. CH 650 AFM. (vi) Sub-sub-section H, "Weight-on-Wheels Input Fault," of sub-section 1, "Landing Gear, Wheel and Brake System," of Section 05-16, "Landing Gear, Wheel and Brake System," of Chapter 5, ABNORMAL PROCEDURES, of Bombardier Challenger 650 Airplane Flight Manual, Publication No. PSP 650-1, Revision 28, dated March 14, 2022. (3) For service information identified in this AD, contact Bombardier, Inc., 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 Street, 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 January 2, 2024. Caitlin Locke, Director, Compliance & Airworthiness Division, Aircraft Certification Service. [FR Doc. 2024-02998 Filed 2-13-24; 8:45 amBILLING CODE 4910-13-P