Airworthiness directives › 2023-14-08
AD 2023-14-08 Airworthiness Directives; Gulfstream Aerospace Corporation Airplanes
Models named: GVII-G600. Read the applicability below — it usually turns on serial or part numbers too.
Applicability*9
This AD applies to Gulfstream Aerospace Corporation Model GVII-G600 airplanes, certificated in any category, serial numbers 73001 through 73051 inclusive.
Compliance
Comply with this AD within the compliance times specified, unless already done.
Required actions
Within 30 days after the effective date of this AD, revise the existing ALS of the Instructions for Continued Airworthiness (ICA) or inspection program for your airplane by establishing a life limit of 4,000 flight cycles for the left-hand part number (P/N) 73P5755033M005 and right-hand P/N 73P5755033M006 inboard flap yoke fittings. Note 1 to paragraph (g): The life limit in paragraph (g) of this AD is contained in table 2 in Section 05-10-10 of Gulfstream GVII-G600 Aircraft Maintenance Manual, Revision 9, dated November 15, 2022.
Unsafe condition
This AD was prompted by an addition of a life limit in the Airworthiness Limitations Section (ALS) for GVII-G600 inboard flap actuator yoke fittings. The FAA is issuing this AD to address decreased fatigue life of GVII-G600 inboard flap actuator yoke fittings and to prevent the GVII-G600 flap yoke from remaining in service beyond its life limit. The unsafe condition, if not addressed, could result in the flaps being jammed in position, if fracture occurred. Additional failures in the flap actuator force limiter, or flap yoke actuator disconnect, could result in asymmetric flap positions leading to a loss of control of the airplane.
Affected ADs
None.
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