Airworthiness directives › 2022-14-09
AD 2022-14-09 Airworthiness Directives; Saab AB, Support and Services (Formerly Known as Saab AB, Saab Aeronautics) Airplanes
Applicability*9
This AD applies to Saab AB, Support and Services Model 340A (SAAB/SF340A) and SAAB 340B airplanes, certificated in any category, as identified in European Union Aviation Safety Agency (EASA) AD 2021-0273, dated December 8, 2021 (EASA AD 2021-0273).
Compliance
Comply with this AD within the compliance times specified, unless already done.
Required actions
Except as specified in paragraph (h) of this AD: Comply with all required actions and compliance times specified in, and in accordance with, EASA AD 2021-0273.
Unsafe condition
This AD was prompted by a report that there is no evidence that post-machining stress relief or de-embrittlement post-cadmium plating treatments were performed on certain torque arm center pins. The FAA is issuing this AD to address untreated torque arm center pins installed on any main landing gear (MLG), which, if not corrected, could lead to failure of the torque arm center pin and free swinging of the MLG, possibly resulting in loss of control of the airplane on ground, or loss of the MLG hydraulic braking function.
Affected ADs
None.
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