# Pratt & Whitney Canada PW120A - Type: Engine model (FAA registry) - Registry code: 52215 - Manufacturer (registry): P&W CANADA - Model: PW120A - Engine type: Turbo-prop - Power: 1,800 hp - Data sheet: [TCDS E20NE](https://openairdocs.org/tcds/E20NE) (OpenAirDocs) - Holder: Pratt & Whitney Canada Corp. - Installed in: 2 registered aircraft - Page: https://openairdocs.org/engine/pratt-whitney-canada-pw120a Model codes come from the FAA registry's reference file. ## ADs that may apply (OpenAirDocs) Matched to this engine model by model name and maker. Each AD's applicability may narrow it by serial number, part number or equipment. - [AD 2012-26-08](https://openairdocs.org/ad/2012-26-08): Propeller shafts · Pratt & Whitney Canada PW118, PW118A, PW118B and 20 more. Effective Feb 15, 2013 - [AD 2006-19-06](https://openairdocs.org/ad/2006-19-06): Propeller shaft · Pratt & Whitney Canada PW118, PW118A, PW118B and 14 more. Effective Sep 29, 2006 - [AD 2003-21-03](https://openairdocs.org/ad/2003-21-03): Low pressure rotor speed (NL) sensor · Pratt & Whitney Canada PW118, PW120, PW120A and 1 more. Effective Nov 20, 2003 - [AD 2003-16-04](https://openairdocs.org/ad/2003-16-04): Fuel heaters · Pratt & Whitney Canada PW118, PW118A, PW118B and 19 more. Effective Sep 10, 2003 - [AD 98-14-02](https://openairdocs.org/ad/98-14-02): Fuel Manifold Transfer Tubes · Pratt & Whitney Canada PW118, PW118A, PW118B and 17 more. Effective Aug 31, 1998 - [AD 97-17-05](https://openairdocs.org/ad/97-17-05): Gas Generator Case Drain Ports · Pratt & Whitney Canada PW118, PW118A, PW118B and 17 more. Effective Sep 9, 1997 - [AD 94-03-02](https://openairdocs.org/ad/94-03-02): High Pressure Turbine Disks · Pratt & Whitney Canada PW118, PW118A, PW120 and 5 more. Effective Feb 16, 1994 - [AD 92-01-08](https://openairdocs.org/ad/92-01-08): High Pressure Rotor · Pratt & Whitney Canada PW118, PW118A, PW120 and 5 more. Effective Jul 27, 1992 - [AD 91-06-02](https://openairdocs.org/ad/91-06-02): Turbomachinery Magnetic Chip Detector · Pratt & Whitney Canada PW118, PW118A, PW120 and 6 more. Effective Mar 29, 1991 - [AD 91-01-03](https://openairdocs.org/ad/91-01-03): Hydromechanical Fuel Control Units · Pratt & Whitney Canada JT15D-5, PW118, PW118A and 3 more. Effective Jan 7, 1991 - [AD 88-26-51](https://openairdocs.org/ad/88-26-51): High Pressure Turbine Components · Pratt & Whitney Canada PW118, PW118A, PW120 and 2 more. Effective Sep 22, 1989 Historical (superseded or no longer in force): - [AD 2012-11-14](https://openairdocs.org/ad/2012-11-14) (historical): Propeller shafts · Pratt & Whitney Canada PW118, PW118A, PW118B and 20 more. Effective Jul 20, 2012 ## Registered aircraft (2) - [N8100L](https://openairdocs.org/aircraft/N8100L): [Dynamic Avlease Inc](https://openairdocs.org/faa-owner/DYNAMIC%20AVLEASE%20INC), [Bridgewater, VA](https://openairdocs.org/faa-place/VA/Bridgewater), built 1989, S/N 146 - [N8100V](https://openairdocs.org/aircraft/N8100V): [Dynamic Avlease Inc](https://openairdocs.org/faa-owner/DYNAMIC%20AVLEASE%20INC), [Bridgewater, VA](https://openairdocs.org/faa-place/VA/Bridgewater), built 1985, S/N 024 ## NTSB investigations None matched to aircraft with this engine model. ## FAA accident and incident reports None matched to aircraft with this engine model. ## Service difficulty reports (2,399, newest 50) As reported by operators and repair stations, by the model named in the report. - [SDR CA190729013](https://openairdocs.org/sdr/CA190729013), Jul 17, 2019: PRESSURE SWITCH. FAILED. (CAN) #2 BLEED HOT ILLUMINATED DURING CRUISE. SYSTEM GOT TURNED OFF, AFTER THAT #1 SYSTEM FAILED. EMERGENCY DECENT WAS EXECUTED, PLANE DIVERTED TO YQT FOR MAINT - [SDR CA190711001](https://openairdocs.org/sdr/CA190711001), Jul 8, 2019: VALVE. DAMAGED. (CAN) DURING CRUISE FLIGHT, #2 ENGINE WAS SHUTDOWN DUE TO HIGH ENGINE OIL TEMPS. THE OIL COOLER THERMO VALVE WAS REPLACED AND AIRCRAFT RETURNED TO SERVICE. (TC# - [SDR CA190610009](https://openairdocs.org/sdr/CA190610009), Jun 3, 2019: OUTFLOW VALVE. MALFUNCTIONED. (CAN) CREW OBSERVED CABIN ALT FLUCTUATION (BOTH INCREASING AND DECREASING) WITH CAB RATE OF CLIMB 2000 FPM. THE AIRCRAFT DESCEND TO A/C ALT 7000 FT (WITH CAB AL - [SDR CA190604014](https://openairdocs.org/sdr/CA190604014), Jun 2, 2019: EEC. MALFUNCTIONED. (CAN) AFTER DEPARTURE #2 ENGINE TORQUE ROLLED BACK 16 % TWO SEPARATE TIMES WITH NO ECU LIGHT. TORQUE INDICATION RETURNED TO NORMAL AFTER A FEW SECONDS. MOMENTAR - [SDR CA190531011](https://openairdocs.org/sdr/CA190531011), May 30, 2019: HMU. FAILED. (CAN) DURING CRUISE THE CREW REPORTED A #2 PROP OVER SPEED INDICATION AND SHUT DOWN THE ENGINE. THE CREW DECLARED AN EMERGENCY AND CONTINUED TO BASE, LANDING WI - [SDR CA190521032](https://openairdocs.org/sdr/CA190521032), May 18, 2019: FITTING. LEAKING. (CAN) DURING POST FLIGHT INSPECTION, OIL WAS NOTED LEAKING FROM #1 ENGINE. MAINTENANCE FOUND THAT A FITTING WAS LOOSE ON THE ACCESSORY OIL PUMP DRIVE COVER. THE - [SDR CA190516004](https://openairdocs.org/sdr/CA190516004), May 7, 2019: CARBON SEAL. CRACKED. (CAN) CREW REPORTED OIL SMELL IN CABIN DURING FLIGHT WITH PASSENGERS ON BOARD. AIRCRAFT LANDED UNEVENTFULLY. THERE WAS NO REPORT OF CREW OR PASSENGER REQUIRING - [SDR CA190430007](https://openairdocs.org/sdr/CA190430007), Apr 28, 2019: FEEDBACK UNIT. SHORTED. (CAN) AFTER LANDING, THE FLIGHT CREW WAS UNABLE TO REPOSITION THE FLAPS FROM 30 DEGREES. ANY MOVEMENT OF THE FLAP HANDLE TO A DIFFERENT POSITION WOULD RESULT IN - [SDR CA190422003](https://openairdocs.org/sdr/CA190422003), Apr 20, 2019: SWITCH. FAILED. (CAN) NR 1 ENGINE ECU MANUAL CAUTION ILLUMINATED AT 50FT AGL, TORQUE SPLIT IN CRUISE NOT WITHIN MEL CRITERIA, SOC ELECTED TO RETURN AC TO DEPARTURE AIRPORT. MAI - [SDR CA190417004](https://openairdocs.org/sdr/CA190417004), Apr 14, 2019: LEAD. BROKEN. (CAN) AIRCRAFT HAD EXPERIENCED A #2 DE-ICE FAULT IN FLIGHT. UPON INVESTIGATION FOUND THE #2 BLADE DE-ICE LEAD HAD BROKEN. THE LEAD THAT IS IN QUESTION IS PMA PA - [SDR CA190403013](https://openairdocs.org/sdr/CA190403013), Apr 2, 2019: STATOR. DAMAGED. (CAN) ENGINE WAS RECEIVED FOR CONVERSION TO A PW121. DURING RECEIVING INSPECTION A METALLIC NOISE WAS HEARD WITHIN THE TURBOMACHINE AND THE ENGINE WAS PARTIALLY - [SDR CA190402006](https://openairdocs.org/sdr/CA190402006), Mar 31, 2019: CONTROL PANEL. ODOR. (CAN) ON INITIAL CLIMB OUT FLIGHT CREW REPORTED LIGHT ELECTRICAL BURN SMELL. MAINTENANCE IDENTIFIED THAT THE SMELL WAS COMING FROM #1 AUDIO CONTROL PANEL. PANEL - [SDR CA190327001](https://openairdocs.org/sdr/CA190327001), Mar 26, 2019: GAS GENERATOR. DAMAGED. (CAN) ENGINE RECEIVED FOR INVESTIGATION AND REPAIR AFTER THE OPERATOR REPORTED A CRACKED GAS GENERATOR CASE WHICH WAS FOUND AFTER A HIGH INTER-TURBINE TEMPERATU - [SDR CA190326008](https://openairdocs.org/sdr/CA190326008), Mar 24, 2019: IMPELLER. DAMAGED. (CAN) DURING MAINTENANCE THE #2 ENGINE WAS DISCOVERED TO HAVE IMPELLER DAMAGE. AFTER A BOROSCOPE WAS CARRIED OUT FURTHER DAMAGE WAS FOUND ON THE DIFFUSER CHANNE - [SDR CA190301005](https://openairdocs.org/sdr/CA190301005), Feb 28, 2019: CASE. CRACKED. (CAN) ENGINE WAS REMOVED DUE TO HIGHER THAN NORMAL ITT. AN APPROXIMATELY 4 INCH CRACK WAS FOUND ADJACENT TO THE NO. 1 FUEL NOZZLE IN THE GAS GENERATOR CASE. - [SDR CA180706015](https://openairdocs.org/sdr/CA180706015), Jul 4, 2018: CONTROL UNIT. NO TEST. (CAN) AIRCRAFT TAXIED FOR DEPARTURE AND WAS HOLDING SHORT OF RUNWAY FOR TAKE OFF, FLIGHT CREW REPORTED TO MAINTENANCE CONTROL THAT THE AIRCRAFT WOULDN`T MOVE WH - [SDR CA180723012](https://openairdocs.org/sdr/CA180723012), Jun 18, 2018: CONDENSER. CRACKED. (CAN) DURING FLIGHT, FLIGHT CREW REPORTED AN INTERMITTENT AIR COND PACK HOT AMBER CAUTION LIGHT. DURING TROUBLESHOOTING, THE CONDENSER MIXER WAS FOUND CRACKED A - [SDR CA180404019](https://openairdocs.org/sdr/CA180404019), Apr 1, 2018: OIL COOLER. LEAKING. (CAN) ON APPROACH THE NR 1 ENGINE OIL PRESSURE DROPPED TO APPROXIMATELY 40PSI WITH ASSOCIATED NR 1 ENGINE OIL PRESSURE WARNING LIGHT ILLUMINATED. WHILE TAXIING - [SDR CA180103007](https://openairdocs.org/sdr/CA180103007), Dec 30, 2017: PUMP. FAILED. (CAN) SHORTLY AFTER TAKE-OFF THE NR 2 ENGINE DRIVEN HYDRAULIC PUMP FAILED. THE CREW TURNED BACK TO BASE AND LANDED WITHOUT INCIDENT. NO EMERGENCY WAS DECLARED. - [SDR HNAA2016102400333](https://openairdocs.org/sdr/HNAA2016102400333), Oct 24, 2016: ROTOR. SEIZED. NR 2 ENGINE FAILS TO SPOOL DURING START CYCLE. REMOVED AND REPLACED THE NR 2 STARTER GEN IAW WORK CARD 24-30-02R. NO FIX. SLAVED NR 2 DC GCU. NO FIX. FOUND NR 2 - [SDR HNAA2016061700186](https://openairdocs.org/sdr/HNAA2016061700186), Jun 16, 2016: TSCU. MALFUNCTIONED. DURING TAKEOFF ROLL AT 85 PERCENT TORQUE AUTO FX FAILED TO ARM, REJECTED T/O. LIGHT ILLUMINATED UPON REDUCED POWER. R & R NR 2 ENGINE TSCU IN REF TO 77-10-00 C/ - [SDR HNAA2016062000191](https://openairdocs.org/sdr/HNAA2016062000191), Jun 15, 2016: UNKNOWN. MALFUNCTIONED. DURING TAKEOFF ROLL, AUTO FX WOULD NOT ARM AUTOFEATHER SYSTEM. REPLACED RELAY 6121-K5 AS PRECAUTIONARY MEASURE, OPS CK GOOD AT THIS TIME, REF 61-26-00. - [SDR CA160304009](https://openairdocs.org/sdr/CA160304009), Mar 3, 2016: SWITCH. FAILED. (CAN) FLIGHT CREW REPORTED THAT, ON TAKEOFF AFTER GEAR UP SELECTION, THE NR 1 PROP CYCLED FROM 850 TO 1000 RPM WITH TORQUE FLUCTUATION FROM 40 TO 110 PERCENT. C - [SDR CA160302014](https://openairdocs.org/sdr/CA160302014), Feb 28, 2016: TRANSDUCER. FAILED. (CAN) DURING CLIMB, BOTH CONTROL COLUMN STICK SHAKERS ACTIVATED. AIRSPEED INDICATIONS NORMAL. AN EMERGENCY WAS DECLARED AND THE FLIGHT LANDED WITHOUT FURTHER IN - [SDR CA160224004](https://openairdocs.org/sdr/CA160224004), Feb 18, 2016: JACKSCREW. MALFUNCTIONED. (CAN) FLIGHT CREW REPORTED FROZEN ELEVATOR TRIM IN DESCENT. AT 4,000 FT TRIM BEGAN TO MOVE AGAIN. ACFT LANDED WITH NO FURTHER FAULT. SYS INSPECTED WITH NO FAULT - [SDR CA160211006](https://openairdocs.org/sdr/CA160211006), Feb 9, 2016: BRAKE. SEIZED. (CAN) THE CREW REPORTED SMOKE COMING FROM RT MAIN LANDING GEAR DURING TAXI IN AND INCREASED AT GATE. MAINTENANCE FOUND THE NR 4 BRAKE ASSEMBLY SEIZED AND LEAKIN - [SDR CA160129006](https://openairdocs.org/sdr/CA160129006), Jan 25, 2016: BEARING. SEIZED. (CAN) FWD MLG DOOR ACTUATOR ROLLER BEARING FOUND DETERIORATED, SEIZED CAUSING GEAR DOOR MECHANISM TO JAM AND DRAG STRUT FAIRING TO CONTACT MLG DOOR HINGE. DAMAG - [SDR HNAA2016012200016](https://openairdocs.org/sdr/HNAA2016012200016), Jan 22, 2016: WIRE. BROKEN. AUTOFEATHER WILL NOT ARM. FOUND BROKEN WIRE AT NR 1 ENGINE POWER LEVER MICROSWITCH TERMINAL. RESOLDERED WIRE TERMINAL, PERFORMED OPS CHECKED. OPS CHECK GOOD. CO - [SDR CA160122003](https://openairdocs.org/sdr/CA160122003), Jan 14, 2016: PULLEY BRACKET. CRACKED. (CAN) DURING MAINTENANCE AND ADJUSTMENT OF THE ALTERNATE GEAR RELEASE SYS, THE PULLEY BRACKET IN THE LT NACELLE, FOR THE SYS CABLE, WAS FOUND CRACKED. PULLEY BR - [SDR CA160118017](https://openairdocs.org/sdr/CA160118017), Jan 13, 2016: SERVO. STUCK. (CAN) ROLL CONTROL SERVO STUCK IN, ON POSITION, IN-FLIGHT. THIS MADE ROLL CONTROL DIFFICULT. MAINTENANCE ACTIONS: AILERON SERVO DISABLED. CIRCUIT BREAKER PULLED - [SDR CA160112005](https://openairdocs.org/sdr/CA160112005), Jan 10, 2016: B-NUT. LOOSE. (CAN) THE CREW EXPERIENCED A LOSS OF NR 2 HYDR, INFLIGHT, AN EMERGENCY WAS DECLARED AND AN ALTERNATE GEAR EXTENSION PERFORMED. MAINTENANCE DISCOVERED THE NR 2 E - [SDR CA160111003](https://openairdocs.org/sdr/CA160111003), Jan 8, 2016: FRAME. CORRODED. (CAN) DURING COMPLETION OF TASK 144-DH1, GVI OF BAGGAGE COMPARTMENT UNDERFLOOR, CORROSION FOUND ON THE AFT CARGO DOOR FRAME JUST ABOVE THE DOOR SILL AT STN X600 - [SDR HNAA2015123000377](https://openairdocs.org/sdr/HNAA2015123000377), Dec 30, 2015: SELECTOR SWITCH. INOPERATIVE. DURING AUTOFEATHER TEST, NR 2 PROP WILL NOT FEATHER. RPM DROPS FROM 650 TO 590. ALL OTHER PARAMETERS OK. R & R RELAYS 6121-K4, K2 AND K10. SLAVED IN NR 2 TSEU, - [SDR CA151229001](https://openairdocs.org/sdr/CA151229001), Dec 18, 2015: TURBINE. DAMAGED. (CAN) DURING APPROACH THE ENGINE HAS AN IFSD UNDER UNKNOWN CIRCUMSTANCES. THE ACFT LANDED SAFELY AND POST FLIGHT BORESCOPE INSPECTION REVEALED HEAVY HOT SECTION - [SDR CA151210010](https://openairdocs.org/sdr/CA151210010), Dec 1, 2015: SKIN. CRACKED. (CAN) FUSELAGE SKIN CRACK AND FRAME FLANGE CRACK AT NR 2 VHF ANTENNA BS 222.0 AND FS 253.40. UPON OPENING UP THE EXISTING STRUCTURE FOR INCORPORATION OF THE FIE - [SDR CA151123009](https://openairdocs.org/sdr/CA151123009), Nov 22, 2015: ACTUATOR. LEAKING. (CAN) HYDRAULIC LEAK FOUND AT NOSE AREA OF ACFT. UPON INSPECTION IT WAS FOUND THAT THE NLG DOOR ACTUATOR ASSY WAS LEAKING. UPON FURTHER INVESTIGATION IT WAS FOU - [SDR CA151120001](https://openairdocs.org/sdr/CA151120001), Nov 20, 2015: TSCU. MALFUNCTIONED. (CAN) DURING CLIMB OUT, NR 1 ENGINE TORQUE INDICATION WENT TO 165 PERCENT. POWER WAS REDUCED BUT TORQUE INDICATION REMAINED THE SAME, ALL OTHER ENGINE PARAMETER - [SDR CA160301007](https://openairdocs.org/sdr/CA160301007), Nov 20, 2015: INDICATOR. MALFUNCTIONED. (CAN) DURING CLIMB OUT, THE NR 1 ENGINE TORQUE INDICATION WENT TO 165%. THE POWER WAS REDUCED BUT THE TORQUE INDICATION REMAINED THE SAME. ALL OTHER ENGINE PARA - [SDR CA151120007](https://openairdocs.org/sdr/CA151120007), Nov 18, 2015: HUB. SEPARATED. (CAN) NR 2 PROP ASSEMBLY REQUIRES REPLACEMENT DUE TO INTERNAL METAL DEBRIS AND DAMAGE FOUND. NR 2 PROP ASSY REPLACED IAW AMM 61-10-00 AND CHECKED SERVICEABLE. N - [SDR CA151112001](https://openairdocs.org/sdr/CA151112001), Nov 11, 2015: BLADE. CRACKED. (CAN) MAINTENANCE FOUND A CRACK ON THE BACK OF THE RT PROPELLER NR 1 BLADE AT APPROXIMATELY STATION 45.00", MID WAY UP THE LENGTH OF THE BLADE. THE BLADE WAS RE - [SDR CA151112005](https://openairdocs.org/sdr/CA151112005), Nov 6, 2015: WINDSHIELD. ARCED. (CAN) DURING DESCENT THROUGH APPROXIMATELY 5000 FT ASL THERE WAS OBSERVED YELLOW ARCING AND FLAMES ON THE LOWER PORTION OF THE WINDOW. SHORTLY THEREAFTER THE LT - [SDR CA151120008](https://openairdocs.org/sdr/CA151120008), Nov 5, 2015: SMOKE DETECTOR. DIRTY. (CAN) DURING CLIMB OUT, FLIGHT CREW OBSERVED THE SMOKE ANNUNCIATOR LIGHT ILLUMINATE SEVERAL TIMES. THEY ACTIONED THE QRH, DECLARED A PAN PAN IN THE INTEREST OF - [SDR CA151104004](https://openairdocs.org/sdr/CA151104004), Nov 1, 2015: GENERATOR. FAILED. (CAN) AS ACFT LEVELED OFF AFTER DEPARTURE, THE FLIGHT CREW WITNESSED THE NR 2 DC GENERATOR HOT CAUTION LIGHT ILLUMINATE. THE FLIGHT CREW ACTIONED THE QRH AND TU - [SDR CA151105001](https://openairdocs.org/sdr/CA151105001), Oct 31, 2015: CONTROL UNIT. MALFUNCTIONED. (CAN) DURING TAKEOFF ROLL, THE NR 1 ENGINE ATTEMPTED TO AUTO FEATHER. TAKEOFF ABORTED. THE FLIGHT CREW DID AN AUTO FEATHER TEST AND NR 1 SEEMED TO WANT TO FEATH - [SDR CA160301006](https://openairdocs.org/sdr/CA160301006), Oct 31, 2015: PROPELLER. MALFUNCTIONED. (CAN) DURING TAKE-OFF ROLL THE NR 1 ENGINE ATTEMPTED TO AUTO FEATHER. THE TAKE-OFF WAS ABORTED. THE FLIGHT CREW DID AN AUTO FEATHER TEST AND THE NR 1 ENGINE SEE - [SDR CA151021010](https://openairdocs.org/sdr/CA151021010), Oct 20, 2015: WIRE. BROKEN. (CAN) SHORTLY AFTER TAKEOFF, FLIGHT CREW OBSERVED TORQUE FLUCTUATIONS ASSOCIATED WITH STRONG YAW INPUTS. THE ENGINE WAS SHUTDOWN AND AN EMERGENCY DECLARED. ACFT - [SDR CA151015017](https://openairdocs.org/sdr/CA151015017), Oct 13, 2015: SELECTOR PANEL. FAULTY. (CAN) ENROUTE, CREW RECEIVED CABIN PRESSURE MASTER WARNING LIGHT, CREW ACTIONED CHECKLIST, CABIN PRESSURE WAS ABOVE 10,000 FT, CREW DESCENDED TO 14,000 FT AND E - [SDR CA150927009](https://openairdocs.org/sdr/CA150927009), Sep 25, 2015: INVERTER. OVERHEATED. (CAN) PRIMARY INVERTER CAUTION LIGHT WITH ASSOCIATED ODOR OF SMOKE DURING DECENT, INVERTER SELECTED OFF AND ODOR DISSIPATED. INVERTER REPLACED. FULL PN DH1030-2 - [SDR CA150924011](https://openairdocs.org/sdr/CA150924011), Sep 21, 2015: CAPACITOR. BURNED. (CAN) WHEN BATTERIES AND EXTERNAL POWER APPLIED, SMOKE WAS NOTICED COMING FROM LEFT DC CIRCUIT BREAKER PANEL. CREW REMOVED POWER ACFT. MAINTENANCE FOUND PRIMARY - [SDR CA150925015](https://openairdocs.org/sdr/CA150925015), Sep 16, 2015: ANTI-SKID VALVE. CRACKED. (CAN) HYDRAULIC LEAKAGE IN NACELLE NR 2 DISCOVERED BY CREW ON POST FLIGHT INSPECTION. TECHNICIANS WHO CAME TO THE AIRCRAFT COULD QUICKLY ASCERTAIN THAT "DUAL AN All 2,399: https://openairdocs.org/engine/pratt-whitney-canada-pw120a/reports.md ## STCs that may be installed (OpenAirDocs) (12) Approved for this engine model: the STC's model list names it on its data sheet, or a series that includes it. In force first, then newest. The registry doesn't record which STCs an aircraft has. - [STC SE2805SO](https://openairdocs.org/stc/SE2805SO): Installation of an oil tank safety cap adapter which is intended to prevent loss of oil in the event of loss or damage to the oil filler cap. Jet Avion Corporation - [STC SE00023EN](https://openairdocs.org/stc/SE00023EN): Installation of Oil Tank Filler Neck Check Valve, Part Number TSA100Sa, Parts List Rev A dated 7/3/1997. Helicopter Support Inc Services Div - [STC SE01638NY](https://openairdocs.org/stc/SE01638NY): Installation of HP Turbine vanes with improved cooling. Atlantic Turbines International Inc - [STC SE00344LA](https://openairdocs.org/stc/SE00344LA): Installation of Western Filter Corp. oil filter element, P/N WF334638, as a replacement for the P&W Canada filter element, P/N 3112895-01, in the lubrication system. Western Filter Corporation - [STC SE792NE](https://openairdocs.org/stc/SE792NE): Installation of oil tank filler neck check valve P/N TSA-100 SA. Aviation Components Support - [STC SE00097LA](https://openairdocs.org/stc/SE00097LA): Installation of strainer element, P/N 90220, as a replacement for strainer element, P/N 3106403-01, in the oil pressure transfer tube assembly. Ejay Filtration, Inc - [STC SE01045AT](https://openairdocs.org/stc/SE01045AT): Installation of engine ignition lead. Unison Industries - [STC SE00074LA](https://openairdocs.org/stc/SE00074LA): Installation of Puroflow filter element, P/N 11-11064, as a replacement for P&W Canada filter element, P/N3029315 (and optional numbers) in the reduction gearbox scavenge oil filtering system. Puroflow Corporation - [STC SE00076LA](https://openairdocs.org/stc/SE00076LA): Installation of Puroflow filter element, P/N 11-11084, as a replacement for P&W Canada filter element, P/N3035681 (and optional part numbers) in the engine fuel filtering system. Puroflow Corporation - [STC SE00079LA](https://openairdocs.org/stc/SE00079LA): Installation of Puroflow filter element, P/N 11-11085, as a replacement for P&W Canada filter element, P/N3035728 (and optional part numbers) in the engine fuel filtering system. Puroflow Corporation - [STC SE00082LA](https://openairdocs.org/stc/SE00082LA): Installation of Puroflow filter element, P/N 11-11102, as a replacement for P&W Canada filter element, P/N3038454, in the engine fuel filtering system. Puroflow Corporation - [STC SE00083LA](https://openairdocs.org/stc/SE00083LA): Installation of Puroflow filter element, P/N 70-106, as a replacement for P&W Canada filter element, P/N3034190, in the reduction gearbox scavenge oil filtering system. Puroflow Corporation ## PMA parts (OpenAirDocs) (333, first 50) Current parts manufacturer approvals (PMA): parts the FAA has approved companies to make as replacements or modifications. Each record lists its models as free text; OpenAirDocs matched them to this engine model on its data sheet, so check the FAA record before relying on it. Newest first. - [3032255CL2CP](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID191902940220260217155849.0001): Weight Balance Compressor. Core Parts LLC · PMA PQ05326NM · Replaces 3032255CL2 · Jan 6, 2026 - [3024146CP](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID182686186420260217160347.0001): Washer Key. Core Parts LLC · PMA PQ05326NM · Replaces 3024146 · Jan 6, 2026 - [3032255CL4CP](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID181545932020260217155850.0001): Weight Balance Compressor. Core Parts LLC · PMA PQ05326NM · Replaces 3032255CL4 · Jan 6, 2026 - [3032255CL5CP](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID168234696220260217155850.0001): Weight Balance Compressor. Core Parts LLC · PMA PQ05326NM · Replaces 3032255CL5 · Jan 6, 2026 - [3032255CL3CP](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID152118224920260217155849.0001): Weight Balance Compressor. Core Parts LLC · PMA PQ05326NM · Replaces 3032255CL3 · Jan 6, 2026 - [ST3086-013CP](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID139847229320260217160512.0001): Packing Preformed. Core Parts LLC · PMA PQ05326NM · Replaces ST3086-013 · Jan 6, 2026 - [3032255CL1CP](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID137001436220260217155848.0001): Weight Balance Compressor. Core Parts LLC · PMA PQ05326NM · Replaces 3032255CL1 · Jan 6, 2026 - [3015234CP](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID190658425320260217153955.0001): Nut Self-Locking Shank. Core Parts LLC · PMA PQ05326NM · Replaces 3015234 · Jan 5, 2026 - [3031098CP](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID126672255320260217153252.0001): Rivet Tubular Countersunk. Core Parts LLC · PMA PQ05326NM · Replaces 3031098 · Jan 5, 2026 - [3010880CP](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID117245394120260217153009.0001): Gasket Igniter. Core Parts LLC · PMA PQ05326NM · Replaces 3010880 · Jan 5, 2026 - [3003987CP](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID110231097220260217153647.0001): Pin Lock. Core Parts LLC · PMA PQ05326NM · Replaces 3003987 · Jan 5, 2026 - [3018344CP](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID103008963120260217153140.0001): Rivet Tubular Countersunk. Core Parts LLC · PMA PQ05326NM · Replaces 3018344 · Jan 5, 2026 - [WF329398](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID173837820120250624152917.0001): Filter Element. Donaldson Company Inc · PMA PQ2432CE · Replaces 3035681, 5905587, Alternate… · Jun 2, 2025 - [WF429940](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID168842044420250624152911.0001): Switch, Differential Pressure Indicator. Donaldson Company Inc · PMA PQ2432CE · Replaces 5905588, 3035683 · Jun 2, 2025 - [3034508WFC](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID168792409620250624152910.0001): Oil Filter Element. Donaldson Company Inc · PMA PQ2432CE · Replaces 3034508 3036376, Alternate: 11-11064… · Jun 2, 2025 - [WF334638](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID197682983220250602133018.0001): Cleanable Oil Filter Element. Donaldson Company Inc · PMA PQ2432CE · Replaces 3112895-01, 3059255-01, 3059254-01… · May 23, 2025 - [WF331451](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID192483939520250602133018.0001): Non-Cleanable Oil Filter Element. Donaldson Company Inc · PMA PQ2432CE · Replaces 3034190, Alternate: 3059253-01… · May 23, 2025 - [WF334591](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID121150890220250602133018.0001): Filter Element. Donaldson Company Inc · PMA PQ2432CE · Replaces 3038454, Alternate: 11-11102… · May 23, 2025 - [3014422AA](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID157889633320250310190842.0001): Packing with Retainer. Aero Attitude, LLC · PMA PQ00001CB · Replaces PWC 3014422 · Feb 25, 2025 - [3015234AA](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID130436253520240919140838.0001): Nut, Self-Locking, Shank. Aero Attitude, LLC · PMA PQ00001CB · Replaces 3015234, 3015233, 3015232, 3016299… · Aug 7, 2024 - [7590526AM](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID184790841820240129140716.0001): Filter Element. PTI Technologies Inc · PMA PQ1341NM · Replaces 3059777-01 · Dec 11, 2023 - [7587923AM](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID178335771520240129140707.0001): Filter Element. PTI Technologies Inc · PMA PQ1341NM · Replaces 3059255-01 · Dec 11, 2023 - [7587923AM](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID176073949320240129140706.0001): Filter Element. PTI Technologies Inc · PMA PQ1341NM · Replaces 3059252-01 · Dec 11, 2023 - [7578659AM](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID173270088920240129140709.0001): Filter Element. PTI Technologies Inc · PMA PQ1341NM · Replaces 3020291 · Dec 11, 2023 - [7590526AM](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID171676279420240129140714.0001): Filter Element. PTI Technologies Inc · PMA PQ1341NM · Replaces 3038454 · Dec 11, 2023 - [7587923AM](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID168806079720240129140707.0001): Filter Element. PTI Technologies Inc · PMA PQ1341NM · Replaces 3112895-01 · Dec 11, 2023 - [7590526AM](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID168658722420240129140716.0001): Filter Element. PTI Technologies Inc · PMA PQ1341NM · Replaces 725825 · Dec 11, 2023 - [7587923AM](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID167757756320240129140706.0001): Filter Element. PTI Technologies Inc · PMA PQ1341NM · Replaces 3059253-01 · Dec 11, 2023 - [7578659AM](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID165226990020240129140710.0001): Filter Element. PTI Technologies Inc · PMA PQ1341NM · Replaces 3015330 · Dec 11, 2023 - [7590526AM](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID161839470920240129140715.0001): Filter Element. PTI Technologies Inc · PMA PQ1341NM · Replaces 3035729 · Dec 11, 2023 - [7578659AM](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID159127581320240129140711.0001): Filter Element. PTI Technologies Inc · PMA PQ1341NM · Replaces 3034742 · Dec 11, 2023 - [7578659AM](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID155717735120240129140711.0001): Filter Element. PTI Technologies Inc · PMA PQ1341NM · Replaces 3034743 · Dec 11, 2023 - [7590526AM](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID154138367520240129140715.0001): Filter Element. PTI Technologies Inc · PMA PQ1341NM · Replaces 3035728 · Dec 11, 2023 - [7578659AM](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID153308215920240129140710.0001): Filter Element. PTI Technologies Inc · PMA PQ1341NM · Replaces 3014635 · Dec 11, 2023 - [7578659AM](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID152901791720240129140712.0001): Filter Element. PTI Technologies Inc · PMA PQ1341NM · Replaces 3059256-01 · Dec 11, 2023 - [7587923AM](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID146767814120240129140705.0001): Filter Element. PTI Technologies Inc · PMA PQ1341NM · Replaces 3034190 · Dec 11, 2023 - [7590526AM](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID145978549120240129140715.0001): Filter Element. PTI Technologies Inc · PMA PQ1341NM · Replaces 3059775-01 · Dec 11, 2023 - [7578659AM](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID145669272020240129140709.0001): Filter Element. PTI Technologies Inc · PMA PQ1341NM · Replaces 3036376 · Dec 11, 2023 - [7590526AM](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID145509498920240129140717.0001): Filter Element. PTI Technologies Inc · PMA PQ1341NM · Replaces 7590048AM · Dec 11, 2023 - [7590526AM](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID139656555320240129140715.0001): Filter Element. PTI Technologies Inc · PMA PQ1341NM · Replaces 3059776-01 · Dec 11, 2023 - [7578659AM](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID135679117420240129140714.0001): Filter Element. PTI Technologies Inc · PMA PQ1341NM · Replaces 3111843-01 · Dec 11, 2023 - [7578659AM](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID130080262720240129140709.0001): Filter Element. PTI Technologies Inc · PMA PQ1341NM · Replaces 3034508 · Dec 11, 2023 - [7587923AM](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID128560613620240129140707.0001): Filter Element. PTI Technologies Inc · PMA PQ1341NM · Replaces 3059254-01 · Dec 11, 2023 - [7578659AM](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID128292367220240129140713.0001): Filter Element. PTI Technologies Inc · PMA PQ1341NM · Replaces 3059414-01 · Dec 11, 2023 - [7590526AM](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID123642627020240129140715.0001): Filter Element. PTI Technologies Inc · PMA PQ1341NM · Replaces 3035317 · Dec 11, 2023 - [7578659AM](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID117230667420240129140713.0001): Filter Element. PTI Technologies Inc · PMA PQ1341NM · Replaces 3073301-01 · Dec 11, 2023 - [7578659AM](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID116433161920240129140708.0001): Filter Element. PTI Technologies Inc · PMA PQ1341NM · Replaces 3029316 · Dec 11, 2023 - [7590526AM](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID113632618020240129140716.0001): Filter Element. PTI Technologies Inc · PMA PQ1341NM · Replaces 7587615AM · Dec 11, 2023 - [7587923AM](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID113611469520240129140707.0001): Filter Element. PTI Technologies Inc · PMA PQ1341NM · Replaces 7590047-101AM · Dec 11, 2023 - [7578659AM](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID105468072420240129140712.0001): Filter Element. PTI Technologies Inc · PMA PQ1341NM · Replaces 3054626-01 · Dec 11, 2023 All of them: https://openairdocs.org/engine/pratt-whitney-canada-pw120a/pma.md --- OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.