Airworthiness directives › 2023-26-08
AD 2023-26-08 Airworthiness Directives; Bombardier, Inc. Airplanes
Applicability*9
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.
Compliance
Comply with this AD within the compliance times specified, unless already done.
Required actions
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.
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.
Affected ADs
None.
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