11 ADs indexed for pratt & whitney canada, inc. aircraft.
Airworthiness Directives; Pratt & Whitney Canada Corp. Turboprop Engines
Unsafe Condition: incidents of corrosion and perforation of the two-ply Cu-Be bellows in Woodward fuel control units (FCUs)
Why matched: Airworthiness Directives; Pratt & Whitney Canada Corp. Turboprop Engines
Airworthiness Directives; Pratt & Whitney Canada Turboprop Engines
Unsafe Condition: Failures of certain first stage sun gears, manufactured by TAATI, leading to potential failure of the sun gear and planet gears in the propeller reduction gearbox assembly.
Why matched: Airworthiness Directives; Pratt & Whitney Canada Turboprop Engines
Airworthiness Directives; Pratt & Whitney Canada (P&WC) PW530A, PW545A, and PW545B Turbofan Engines
Unsafe Condition: Engine intercompressor bleed valve/servo valve malfunction causing engine surge, lack of response to Power Lever input, and crew commanded engine shutdown.
Why matched: Airworthiness Directives; Pratt & Whitney Canada (P&WC) PW530A, PW545A, and PW545B Turbofan Engines
Airworthiness Directives; Pratt & Whitney Canada (P&WC) PW535A Turbofan Engines; Correction
Unsafe Condition: The FAA is correcting airworthiness directive (AD) 2006-24-08. That AD applies to Pratt & Whitney Canada (P&WC) PW535A turbofan engines. We published that AD in the Federal Register on December 4, ...
Why matched: Airworthiness Directives; Pratt & Whitney Canada (P&WC) PW535A Turbofan Engines
Airworthiness Directives; Pratt & Whitney Canada (PWC) PW535A Turboshaft Engines
Unsafe Condition: PW535A turboshaft engines experiencing lack of response to the power lever input during engine acceleration, due to an incorrect adjustment of the HFC ratio unit setscrew.
Why matched: Airworthiness Directives; Pratt & Whitney Canada (PWC) PW535A Turboshaft Engines
Airworthiness Directives; Pratt & Whitney Canada PW500 Series Turbofan Engines
Unsafe Condition: Reports of fuel dripping from engine nacelles caused by leaking flexible fuel tubes.
Why matched: Airworthiness Directives; Pratt & Whitney Canada PW500 Series Turbofan Engines
Airworthiness Directives; Pratt & Whitney Canada PW530A Series Turbofan Engines
Unsafe Condition: Rubbing of the second stage stator vanes on the compressor rotor due to insufficient original type design clearance, which can result in inflight engine shutdowns and significant compressor rotor d...
Why matched: Airworthiness Directives; Pratt & Whitney Canada PW530A Series Turbofan Engines
Airworthiness Directives; Pratt & Whitney Canada PT6 Series Turboprop Engines
Unsafe Condition: Malfunctions of the compressor bleed-off valve (BOV) due to broken cotter pins and improperly installed guide shaft pins, which can result in engine power reduction and forced landing.
Why matched: Airworthiness Directives; Pratt & Whitney Canada PT6 Series Turboprop Engines
Airworthiness Directives; Pratt & Whitney Canada Model PT6A-67D Turboprop Engines
Unsafe Condition: Cracking and irregularities in the compressor turbine (CT) disk and blades due to high cycle fatigue (HCF) fractures in the fir tree area of the blade while exposed to normal engine vibrations.
Why matched: Airworthiness Directives; Pratt & Whitney Canada Model PT6A-67D Turboprop Engines
PRATT & WHITNEY CANADA, INC. Model JT15D-4B Engines
Unsafe Condition: Rupture of the gas generator case (GGC) which could result in an inflight shutdown, aborted takeoff, and/or damage to the aircraft.
Why matched: PRATT & WHITNEY CANADA, INC. Model JT15D-4B Engines
PRATT & WHITNEY CANADA Model PW118, PW118A, PW120, PW120A, PW121, and JT15D- 5 Engines
Unsafe Condition: Fuel leakage from Hamilton-Standard Model JFC118 hydromechanical fuel control units (HMU) excluding those marked 'MS090-001' poses a fire hazard in the engine nacelle.
Why matched: PRATT & WHITNEY CANADA Model PW118, PW118A, PW120, PW120A, PW121, and JT15D- 5 Engines