Airworthiness directives › 2022-05-01
AD 2022-05-01 Airworthiness Directives; Learjet, Inc., Airplanes
Applicability*9
This AD applies to Learjet, Inc., Model 35, 35A (C-21A), 36, 36A, 55, 55B, 55C, and 60 airplanes, certificated in any category, with any spoiler assembly that meets any of the criteria identified in paragraph (c)(1) or (2) of this AD. (1) The spoiler assembly's life limit was extended by Restored Aircraft Sales and Service, LLC. (2) The maintenance records related to the life limit for the spoiler assembly are missing or incomplete.
Compliance
Comply with this AD within the compliance times specified, unless already done.
Required actions
For each spoiler assembly identified in paragraph (c) of this AD: Remove the spoiler assembly from service before further flight.
Unsafe condition
This AD was prompted by a report indicating that a repair station performed a life extension program on spoiler assemblies that had reached or were close to reaching their life limit. The FAA is issuing this AD to prevent use of a spoiler assembly beyond its FAA-approved life limit, which could lead to undetected cracking and consequent failure or separation of the spoiler assembly, resulting in a reduction or complete loss of control of the airplane.
Affected ADs
None.
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