Airworthiness Directive · Amendment 39-22532 · Flight controls
Bombardier, Inc., Airplanes
This AD applies to Bombardier, Inc., airplanes, certificated in any category, identified in paragraphs (c)(1) through (3) of this AD.
(1) Model CL-600-1A11 (600) airplanes, serial numbers 1004 through 1085 inclusive.
(2) Model CL-600-2A12 (601) airplanes, serial numbers 3001 through 3066 inclusive.
(3) Model CL-600-2B16 (601-3A, 601-3R, and 604 Variants) airplanes, serial numbers 5001 through 5194 inclusive, 5301 through 5665 inclusive, 5701 through 5988 inclusive, and 6050 through 6999 inclusive.
The FAA is adopting a new airworthiness directive (AD) for certain Bombardier, Inc., Model CL-600-1A11 (600), CL-600-2A12 (601), and CL-600-2B16 (601-3A, 601-3R, and 604 Variants) airplanes. This AD was prompted by an uncommanded flap extension accompanied by a flaps fail caution message during climb. This AD requires initial and repetitive operational tests of the flap control system. The FAA is issuing this AD to address the unsafe condition on these products.
Within 100 flight hours or 15 months, whichever occurs first after the effective date of this AD, perform an initial operational test of the inboard and outboard flaps, and all applicable corrective actions, in accordance with Section 2.B. of the Accomplishment Instructions of the applicable service information identified in paragraphs (g)(1) through (5) of this AD. Corrective actions must be done before further flight after the test.
(1) For Model CL-600-1A11 (Challenger 600) airplanes, serial numbers 1004 through 1085 inclusive: Use Bombardier Service Bulletin 600-0780, dated December 29, 2022.
(2) For Model CL-600-2A12 (Challenger 601) airplanes, serial numbers 3001 through 3066 inclusive, and Model CL-600-2B16 (Challenger 601) airplanes, serial numbers 5001 through 5194 inclusive: Use Bombardier Service Bulletin 601-1112, Revision 01, dated February 23, 2023.
(3) For Model CL-600-2B16 (Challenger 604) airplanes, serial numbers 5301 through 5665 inclusive: Use Bombardier Service Bulletin 604-27-040, dated December 29, 2022.
(4) For Model CL-600-2B16 (Challenger 605) airplanes, serial numbers 5701 through 5988 inclusive: Use Bombardier Service Bulletin 605-27-011, dated December 29, 2022.
(5) For Model CL-600-2B16 (Challenger 650) airplanes, serial numbers 6050 through 6999 inclusive: Use Bombardier Service Bulletin 650-27-004, dated December 29, 2022.
Repeat the operational test required by paragraph (g) of this AD at the applicable time specified in paragraph (h)(1) through (3) of this AD.
(1) For Model CL-600-1A11 airplanes: Repeat at intervals not to exceed 100 flight hours.
(2) For the airplanes identified in paragraphs (h)(2)(i) and (ii) of this AD: Repeat within the repetitive intervals specified in Section 1.D. of Bombardier Service Bulletin 601-1112, Revision 01, dated February 23, 2023.
(i) Model CL-600-2A12 airplanes.
(ii) Model CL-600-2B16 airplanes, serial numbers 5001 through 5194 inclusive.
(3) For the airplanes identified in paragraphs (h)(3)(i) through (iii) of this AD: Repeat the test at intervals not to exceed 400 flight hours.
(i) Model CL-600-2B16 airplanes, serial numbers 5301 through 5665 inclusive.
(ii) Model CL-600-2B16 airplanes, serial numbers 5701 through 5988 inclusive.
(iii) Model CL-600-2B16 airplanes, serial numbers 6050 through 6999 inclusive.
