Airworthiness Directive · Amendment 39-21301 · Landing gear
Pilatus Aircraft Ltd. Airplanes
This AD applies to Pilatus Aircraft Ltd. Model PC-12/47E airplanes, serial numbers 1300 and 1451 through 1944 (except serial number 1720), certificated in any category, with a main landing gear (MLG) spring pack assembly part number (P/N) 532.34.12.101 installed.
The FAA is adopting a new airworthiness directive (AD) for Pilatus Aircraft Ltd. Model PC-12/47E airplanes. This AD was results from mandatory continuing airworthiness information (MCAI) originated by an aviation authority of another country to identify and correct an unsafe condition on an aviation product. The MCAI describes the unsafe condition as seizing of a main landing gear (MLG) spring pack assembly. This AD requires replacement of affected parts and prohibits (re)installation of affected parts. The FAA is issuing this AD to address the unsafe condition on these products.
(1) Within 2 months after the effective date of this AD, remove from service MLG spring pack assembly P/N 532.34.12.101 and install MLG spring pack assembly P/N 532.34.12.120 by following the Accomplishment Instructions-Part A-Aircraft, section 3.B., in Pilatus PC-12 Service Bulletin No. 32-027, dated January 7, 2019.
(2) As of the effective date of this AD, do not install an MLG spring pack assembly P/N 532.34.12.101 on any airplane.
The aircraft, engines and makers this AD names, by the model designations in its text. A model listed here may still be outside the AD's serial ranges.
