# Service difficulty reports: Pratt & Whitney Canada PW127E

A list on [Pratt & Whitney Canada PW127E](https://openairdocs.org/engine/pratt-whitney-canada-pw127e.md).

Newest first. General aviation reporting is voluntary.

- [SDR YENA2024120401525](https://openairdocs.org/sdr/YENA2024120401525.md): Engine · failed · Dec 2, 2024 · N4048J · Airbus A321271NX · Turbine Section
  > FLT#524, LAX-JFK. '(ETOPS) 'FOUND OIL IN #1 ENGINE TURBINE EXHAUST; REMOVE & REPLACED #1 ENGINE REF WO 1377333 T/C A320-71-00-51-400-802A OK FOR CONT. SVC.'
- [SDR HALA2022052300103](https://openairdocs.org/sdr/HALA2022052300103.md): None · none · May 18, 2022 · N226HA · Airbus A300* · Powerplant System
  > ETOPS - #1 ENGINE HIGH VIB - ENGINE REPLACED PER ENGINEERING REQUEST // REMOVED AND REPLACED #1 ENGINE PER HAL TASKCARD J321-72-WHI-02
- [SDR COEA2022052707901](https://openairdocs.org/sdr/COEA2022052707901.md): None · corroded · Apr 1, 2022 · N901FX · Aerosp 262A12NORD · Engine (Turbine/Turboprop)
  > WO 235601 NR 400008 HEAVY CHECK COE/MAJOR REPAIR: R/H ENGINE CASE HAS LEVEL 2 CORROSION AROUND THE DRAIN BELOW THE PCU. CORRECTIVE ACTION: CORROSION REMOVAL PER DAA2022-401-PW121204.
- [SDR MTNA20220321001](https://openairdocs.org/sdr/MTNA20220321001.md): Engine · leaking · Mar 21, 2022 · N804FX · Aerosp 262A12NORD · Engine Oil System (Airframe Furnished)
  > SUPPLEMENTAL INFORMATION: DURING CLIMB, ENGINE #1 EXPERIENCED A LOSS OF OIL PRESSURE CAUSING A LOCAL AND CCAS ALERT. THE CREW RAN THE CHECKLIST, SHUT DOWN ENGINE, DECLARED AN EMERGENCY, AND RETURNED TO THE FIELD. FLIGHT LANDED WITHOUT FURTHER INCIDENT. REMOVED
- [SDR COEA2020100604807](https://openairdocs.org/sdr/COEA2020100604807.md): Connector · dirty · Oct 3, 2020 · N807HC · Aerosp ATR72212 · Engine Indicating System Wiring
  > FLIGHT 1700, ENROUTE HNL-ITO AIR TURNBACK/DISCREPANCY: NR 2 ENGINE TORQUE FLUCTUATES 10-15% IN CRUISE. RETURNED TO HNL. NO EMERGENCY DECLARED. LANDED WITHOUT INCIDENT. CORRECTIVE ACTION: AFTER EXTENSIVE TROUBLESHOOTING, MAINTENANCE CLEANED THE NR 2 EEC CAN
- [SDR COEA2019121802806](https://openairdocs.org/sdr/COEA2019121802806.md): Hmu · faulted · Dec 18, 2019 · N806HC · Aerosp ATR42500 · Fuel Controlling System
  > FLIGHT 672, ENROUTE, AIR TURNBACK. DURING CLIMBOUT, THE CREW RECEIVED A FUEL LOW LEVEL LIGHT, FUEL LIGHT ON CAP AND ELECTRIC FUEL PUMP ON NR 2 SIDE. AIRCRAFT WAS RETURNED TO DEPARTURE. NO EMERGENCY DECLARED. LANDED WITHOUT INCIDENT. MAINTENANCE PERFORMED O
- [SDR CA190219005](https://openairdocs.org/sdr/CA190219005.md): Bearing · damaged · Feb 7, 2019 · Aerosp ATR72212A · Engine (Turbine/Turboprop)
  > (CAN) DURING FLIGHT, THE RIGHT HAND ENGINE EXPERIENCED TORQUE FLUCTUATION AND INTER TURBINE TEMPERATURE RISING FOLLOWED BY FIRE WARNING INDICATION. THE FLIGHT CREW RESPONDED BY PULLING THE FIRE HANDLE AND DISCHARGE THE FIRE BOTTLE. THE AIRCRAFT LANDED UNEVENTF
- [SDR CA190131001](https://openairdocs.org/sdr/CA190131001.md): Valve · failed · Jan 13, 2019 · Engine Bleed Air System
  > (CAN) SHORTLY AFTER TAKE-OFF, WHEN THE BLEED AIR CAME ON, A SLIGHT AIR CONTAMINATION WAS NOTICED. LATER IN THE FLIGHT, DURING CRUISE, THE SMELL AND FUMES WERE NOTICED AGAIN. THE AIRCRAFT CONTINUED IN FLIGHT AND LANDED UNEVENTFULLY.
- [SDR CA180530009](https://openairdocs.org/sdr/CA180530009.md): Blade · distressed · May 29, 2018 · Turbine Section
  > (CAN) ENGINE WAS RECEIVED FOR INVESTIGATION AND REPAIR DUE AFTER THE OPERATOR REPORTED HP BLADE DISTRESS. SEE ATTACHED REPORT. (TC# 20180530009)
- [SDR CA160302006](https://openairdocs.org/sdr/CA160302006.md): Oil System · leaking · Feb 25, 2016 · Turbine Engine Oil System
  > (CAN) OIL ODOR IN COCKPIT IN FLIGHT DURING CLIMB AND DESCENT, AND ON GROUND DURING TAXIING AFTER LANDING. TROUBLESHOOTING ONGOING.
- [SDR CA151029009](https://openairdocs.org/sdr/CA151029009.md): Oil System · leaking · Oct 15, 2015 · Aerosp ATR42500 · Turbine Engine Oil System
  > (CAN) THE CREW REPORTED THE ODOR OF SMOKE ON THE FLIGHT DECK AND IN THE CABIN DURING THE FLIGHT. WHILE PERFORMING TROUBLESHOOTING, AN INTERNAL OIL LEAK WAS DISCOVERED AT THE LEVEL OF THE LOW PRESSURE COMPRESSOR OF THE NR 1 ENGINE.
- [SDR CA150911001](https://openairdocs.org/sdr/CA150911001.md): Eec · malfunctioned · Aug 28, 2015 · Aerosp ATR72212 · Fuel Control/Turbine Engines
  > (CAN) DURING NORMAL OPERATION ON A SCHEDULED FLIGHT, THE CREW NOTED THAT TORQUE ON THE LT ENGINE BOTH DIGITAL AND ANALOG INDICATIONS FLUCTUATED. THE ACFT RETURNED TO THE POINT OF DEPARTURE WHERE AN UNEVENTFUL LANDING WAS MADE. TROUBLESHOOTING LED TO THE REPL
- [SDR CA150727012](https://openairdocs.org/sdr/CA150727012.md): Engine · flamed out · Jul 13, 2015 · Aerosp ATR42500 · Engine (Turbine/Turboprop)
  > (CAN) PILOT REPORTED THAT DURING DESCENT, WHEN HE REDUCED POWER, NR 1 ENGINE HAD A FLAMEOUT. WHEN HE PUT THE PL TO IDLE, ENGINE DID AN AUTO RE-START AN RETURN TO NORMAL OPERATION. DURING TROUBLESHOOTING, MAINTENANCE REPLACED THE MFCU, THE FUEL PUMP AND THE
- [SDR CA150604009](https://openairdocs.org/sdr/CA150604009.md): Engine · unknown · May 28, 2015 · Aerosp ATR42500 · Engine (Turbine/Turboprop)
  > (CAN) IFSD OF ENGINE IN CRUISE.
- [SDR CA150602003](https://openairdocs.org/sdr/CA150602003.md): Engine · making metal · May 6, 2015 · Aerosp ATR42500 · Engine (Turbine/Turboprop)
  > (CAN) SHORTLY AFTER TAKEOFF, CREW NOTICED A SHORT STALL, LOSS OF POWER, DECREASE OF NP, SLIGHT SMOKE SMELL IN CABIN & LOW OIL PRESS WARNING. THE ENG WAS SHUT DOWN BY CREW & A UNEVENTFUL SINGLE ENG LANDING WAS PERFORMED. ON GND INSPECTION SHOWED CHIPS ON TMM
- [SDR CA150519016](https://openairdocs.org/sdr/CA150519016.md): Pump · malfunctioned · May 5, 2015 · Aerosp ATR42500 · Engine Fuel Pump
  > (CAN) CRUISING AT FL 230, WITH NO SYMPTOMS OR FAULT INDICATIONS THE CREW REPORTED AS A LOSS OF POWER. DECREASING SIGNIFICANTLY WITHIN 1 SEC AND IFSD. AN ATTEMPT TO START THE ENGINE IN FLIGHT WAS NOT SUCCESSFUL. SINGLE ENGINE LANDING PERFORMED WITH NO TROUBL
- [SDR CA150519009](https://openairdocs.org/sdr/CA150519009.md): Engine · unknown · May 1, 2015 · Aerosp ATR72 · Engine (Turbine/Turboprop)
  > (CAN) ABORTED TAKEOFF WITH POWER LEVER IN NOTCH. NO AUTOMATIC TAKEOFF POWER CONTROL SYS ARM LIGHT & NR 2 ENG TORQUE WAS SHOWING AROUND 40%. NO REPORT OF YAW OR UNEQUAL THRUST FROM PILOT. DFDR ANALYZED & BOTH ENGS SHOWING 90% TORQUE. WIRING CHECKS IN PROGRE
- [SDR CA150306010](https://openairdocs.org/sdr/CA150306010.md): Autofeather Sys · malfunctioned · Mar 2, 2015 · Aerosp ATR72212A · Propeller Feathering/Reversing
  > (CAN) THE AUTOMATIC TAKEOFF POWER CONFIGURATION SYSTEM, ATPCS, DID NOT ARM DURING LINING UP PRIOR TO TAKE OFF. THE TAKEOFF ROLL WAS ABORTED & THE AIRCRAFT RETURNED TO GATE. CUSTOMER INITIALLY ELECTED FOR MINIMUM EQUIPMENT LIST DISPATCHED UNDER ATPCS INOPERAT
- [SDR CA141218010](https://openairdocs.org/sdr/CA141218010.md): Oil System · low pressure · Dec 8, 2014 · Turbine Engine Oil System
  > (CAN) LOW MAIN OIL PRESSURE (MOP) WAS NOTED DURING TAKE OFF. THE MASTER CAUTION WAS CONTINUOUS FOR 1 MIN. ACCOMPANIED BY FLUCTUATING MOP. THE PILOT WAS UNABLE TO RECALL MINIMUM OIL PRESSURE. THE ENGINE WAS SHUTDOWN AT 900 FT. THE PILOT ELECTED TO RETURN TO DEP
- [SDR CA140909003](https://openairdocs.org/sdr/CA140909003.md): Fuel Control · malfunctioned · Aug 30, 2014 · Aerosp ATR42500 · Fuel Control/Turbine Engines
  > (CAN) JUST AFTER TAKEOFF, THE CREW REPORTED THE RT SIDE ENGINE FLAMEOUT. THE ACFT LANDED SAFELY AT AIRPORT OF ORIGIN. DURING THE TROUBLESHOOTING, ENGINE DRIVEN FUEL PUMP AND THE HYDRO MECHANICAL UNIT, HMU, WERE REPLACED AND ALL TESTS CARRIED OUT SATISFACTORY
- [SDR CA140620003](https://openairdocs.org/sdr/CA140620003.md): Engine · power loss · Jun 7, 2014 · Aerosp ATR72 · Engine (Turbine/Turboprop)
  > (CAN) DURING CRUISE AT 8000 FT ON APPROACH, THE ENGINE SHOWED A REDUCTION ON TORQUE. THE PILOT TRIED TO COMPENSATE WITH POWER LEVER WITHOUT SUCCESS. THE PILOT LANDED THE AIRCRAFT WITHOUT ANY INCIDENT. TROUBLESHOOTING ON GOING.
- [SDR CA140602020](https://openairdocs.org/sdr/CA140602020.md): Engine · malfunctioned · May 22, 2014 · Aerosp ATR42500 · Engine (Turbine/Turboprop)
  > (CAN) DURING REVENUE FLIGHT, THE PILOT INDUCED AN IFSD DUE TO TORQUE FLUCTUATION. ON GROUND, THE AFU WAS REPLACED AND THE MAINTENANCE CREW REPORTED TORQUE LIMITED TO 60 PERCENT DURING GROUND RUN. ELECTRONIC ENGINE CONTROL, MFCU AND FUEL PUMP WERE SWAPPED WITH
- [SDR CA140602014](https://openairdocs.org/sdr/CA140602014.md): Engine · flamed out · Apr 28, 2014 · Aerosp ATR42500 · Engine (Turbine/Turboprop)
  > (CAN) DURING CRUISE, THE ENGINE FLAMED OUT FOLLOWED BY A LOUD NOISE. THE ENGINE WAS SECURED AND THE CREW RETURNED TO THE DEPARTURE AIRPORT WHERE AN UNEVENTFUL SINGLE ENGINE LANDING WAS MADE. THE ENGINE HAS BEEN REPLACED AND ACFT RETURNED TO SERVICE.
- [SDR CA140224002](https://openairdocs.org/sdr/CA140224002.md): Pcu · failed · Jan 9, 2014 · Aerosp ATR72212A · Propeller Controlling System
  > (CAN) TAKEOFF WAS ABORTED DUE TO FAULT CODE ALARM FROM THE PROPELLER ELECTRONIC CONTROLLER. DURING THE ON GROUND TROUBLESHOOTING, THE PROPELLER VALVE MODULE, THE OVERSPEED GOVERNER AND THE OIL PUMP WERE REPLACED AND THE ALL FAULTS DISAPPEARED. THE ACFT RETUR
- [SDR CA131227002](https://openairdocs.org/sdr/CA131227002.md): Controller · failed · Dec 20, 2013 · Propeller Controlling System
  > (CAN) AFTER TAKEOFF, CLIMBING TO FL 240, THE LT PROPELLER ELECTRONIC CONTROL SHOWED A FAULT AND WAS FOLLOWED BY A NP DROP TO 73 PERCENT. AFTER A FEW MINUTES OR SO THE ITT RAISED PROGRESSIVELY TO 770C AND NR 8304. THEN THE MASTER WARNING CAME AND RAPID THE TO
- [SDR CA130212002](https://openairdocs.org/sdr/CA130212002.md): Engine · shutdown · Jan 24, 2013 · Aerosp ATR42500 · Engine (Turbine/Turboprop)
  > (CAN) THE ACFT DEPARTED AND WHEN REACHING 200 FT ENGINE NR 2 SHUTDOWN. THE PILOT COMPLETED A SINGLE ENGINE FIRST PHASE CLIMB AND THEN RE-STARTED ENGINE NR 2 WITHOUT PROBLEMS. AFTER 20 MINUTES OF FLIGHT THE RT ANALOG TORQUE INDICATOR WAS SHOWING ZERO AND REMAI
- [SDR CA130117001](https://openairdocs.org/sdr/CA130117001.md): Bleed Valve · malfunctioned · Dec 6, 2012 · Aerosp ATR42500 · Compressor Bleed Valve
  > (CAN) DURING REVENUE FLIGHT, IN DESCENT MODE, THE PILOT NOTICED ENGINE NR 2 SURGE AND A TORQUE REDUCTION OF 40 PERCENT. THE ENGINE SURGE RE-OCCURRED WITH ABNORMAL NOISE. THE PILOT ELECTED TO SHUTDOWN THE ENGINE AND LANDED WITHOUT FURTHER INCIDENT. THE HBOV W
- [SDR CA121105011](https://openairdocs.org/sdr/CA121105011.md): Engine · power loss · Oct 28, 2012 · Aerosp ATR42500 · Engine (Turbine/Turboprop)
  > (CAN) DURING A FERRY FLIGHT WITH NO PASSENGERS ON BOARD, SHORTLY AFTER T/O AND AT 400 FT, THE NR 2 ENGINE LOST POWER. THE CREW RETURNED TO THE DEPARTURE AIRPORT AND DURING THE DOWNWIND LEG, THE NR 1 ENGINE TORQUE AND PARAMETERS STARTED TO FLUCTUATE. THE CREW
- [SDR CA121105001](https://openairdocs.org/sdr/CA121105001.md): Autofeather Sys · malfunctioned · Oct 24, 2012 · Aerosp ATR42500 · Propeller Feathering/Reversing
  > (CAN) DURING CLIMB THROUGH FL50, THE NR 2 ENGINE SUDDENLY LOST POWER AND PROPELLER FEATHERED WITHOUT ANY WARNING INDICATIONS. THE ENGINE WAS SECURED AND THE FLIGHT RETURNED TO THE DEPARTURE POINT WHERE AN UNEVENTFUL SINGLE ENGINE LANDING WAS MADE. POST FLIGH
- [SDR CA121022011](https://openairdocs.org/sdr/CA121022011.md): Wire Harness · failed · Sep 26, 2012 · Aerosp ATR42500 · Turbine Engine System Wiring
  > (CAN) DURING FLIGHT, THE ENGINE LOST POWER AND SHUTDOWN UNCOMMANDED. A SUCCESSFUL RE-START WAS MADE AND THE FLIGHT CONTINUED TO DESTINATION WHERE TROUBLESHOOTING FOUND NO ISSUES. DURING THE SUBSEQUENT FERRY FLIGHT BACK TO DEPARTURE, THE SAME HAPPENED BUT THE
- [SDR CA120918014](https://openairdocs.org/sdr/CA120918014.md): Oil System · low · Sep 12, 2012 · Aerosp ATR42500 · Turbine Engine Oil System
  > (CAN) WHILE TAXIING AT AIRPORT, THE CABIN SMOKE CAUTION CAME ON. THEY CAME OFF THE TAXIWAY AND SHUTDOWN THE ENGINES. THE ACFT WAS FERRIED WITH THE BLEEDS OFF. 2 QTS OF OIL WERE ADDED AND 2 MORE QTS HAD TO BE ADDED AFTER ARRIVAL. TROUBLESHOOTING ONGOING.
- [SDR CA120821005](https://openairdocs.org/sdr/CA120821005.md): Engine · failed · Aug 14, 2012 · Aerosp ATR42500 · Engine (Turbine/Turboprop)
  > (CAN) DURING REVENUE FLIGHT AT CRUISE PHASE, THE ENG 1 OIL ON CREW ALERT PANEL, CAP AND LOW PRESSURE LIGHT ILLUMINATED, THE CREW PERFORMED AN ENGINE IFSD. ON GROUND AFTER VISUAL INSPECTION, THE MAINTENANCE CREW FOUND THE TUBE ASSY NR 6 AND 7 SCAVENGE CRACKED.
- [SDR CA120115007](https://openairdocs.org/sdr/CA120115007.md): Cap · unsecure · Jan 1, 2012 · Turbine Engine Oil System
  > (CAN) BEFORE INITIATING DESCENT, THE LOW OIL PRESSURE WARNING ILLUMINATED. THE ENGINE WAS SHUTDOWN AND AN UNEVENTFUL SINGLE ENGINE LANDING WAS PERFORMED AT DESTINATION. GROUND INSPECTION FOUND THAT THE OIL FILLER CAP WAS LEFT OFF AND THE FLAPPER VALVE WAS LI
- [SDR CA110909006](https://openairdocs.org/sdr/CA110909006.md): Engine · making metal · Sep 3, 2011 · Aerosp ATR42500 · Engine (Turbine/Turboprop)
  > (CAN) DURING CRUISE, THE PILOT RECEIVED A FIRE WARNING INDICATION FOLLOWED BY A LOUD NOISE. THE ENGINE WAS SECURED AND AN UNEVENTFUL SINGLE ENGINE LANDING WAS PERFORMED. POST FLIGHT INSPECTION FOUND METAL DEBRIS IN THE EXHAUST.
- [SDR CA110909007](https://openairdocs.org/sdr/CA110909007.md): Engine · making metal · Sep 3, 2011 · Aerosp ATR42* · Engine (Turbine/Turboprop)
  > (CAN) DURING CRUISE, THE PILOT HEARD A LOUD NOISE FOLLOWED BY ENGINE SPOOL DOWN. THE ENGINE WAS SECURED AND AN UNEVENTFUL SINGLE ENGINE LANDING WAS PERFORMED. POST FLIGHT INSPECTION FOUND METAL DEBRIS IN THE EXHAUST.
- [SDR CA110928004](https://openairdocs.org/sdr/CA110928004.md): Solenoid · faulty · May 17, 2011 · Aerosp ATR42500 · Fuel Control/Turbine Engines
  > (CAN) DURING CLIMB, THE NR 2 ENGINE LOST POWER, FORCING THE CREW TO SHUT IT DOWN. THE ACFT RETURNED TO THE DEPARTURE POINT WHERE AN UNEVENTFUL SINGLE ENGINE LANDING WAS MADE. THE PROBLEM WAS TRACED BACK TO A FAULTY SOLENOID IN THE FUEL CONTROL.
- [SDR CA110516002](https://openairdocs.org/sdr/CA110516002.md): Engine · making metal · Apr 26, 2011 · Engine (Turbine/Turboprop)
  > (CAN) SMOKE IN CABIN DURING, 2 TO 3 LOUD NOISES WERE HEARD ACCOMPANIED BY ACFT YAW. THE CREW OBSERVED SIGNIFICANT TORQUE FLUCTUATIONS ON NR 2 ENGINE AND THEY RETARDED THE POWER LEVER A. F/A REPORTED SMOKE IN THE CABIN AND THE ENGINE WAS SHUTDOWN. THE ACFT RET
- [SDR CA100525005](https://openairdocs.org/sdr/CA100525005.md): Turbine Blades · fractured · May 16, 2010 · Turbine Section
  > (CAN) IFSD AT FL100, AN ENGINE SURGE OCCURRED FOLLOWED BY FLAME OUT. THE ENGINE WAS SECURED AND THE ACFT RETURNED TO THE POINT OF ORIGIN WHERE AN UNEVENTFUL SINGLE ENGINE LANDING WAS PERFORMED. GROUND INSP FOUND FRACTURED POWER TURBINE BLADES.
- [SDR CA100117006](https://openairdocs.org/sdr/CA100117006.md): Combust Chamber · burned · Jan 4, 2010 · Turbine Engine Combustion Section
  > (CAN) DURING CRUISE FLIGHT, APPROX 7 MINUTES INTO THE FLIGHT, THE ACFT EXPERIENCED AN ENGINE FIRE ON THE LT SIDE. CREW PERFORMED THE EMERGENCY PROCEDURES FOR ENGINE FIRE AND BOTH FIRE EXTINGUISHERS WERE USED AND THE ACFT LANDED SAFELY. POST EVENT INSP OF THE
- [SDR TRBA2009073SUP](https://openairdocs.org/sdr/TRBA2009073SUP.md): Wire Harness · failed · Jul 1, 2009 · N410AT · Aerosp ATR72212 · Turbine Engine System Wiring
  > DISCREP: ENGINE NR 1 FAILURE IN CRUISE FLIGHT - SHUT DOWN PROCEDURE. REMAINDER OF FLIGHT NORMAL AND ROUTINE. REPLACED ELECTRICAL HARNESS IAW 72-01-10. PERFORMED GROUND RUN UP PERFORMENCE CHECK IAW JIC 372-00-00-ERU-10040, JIC 73-23-61-RAI-10000 AND W/C 05-50

## The whole list in SQL

Runs in DuckDB 1.2 or later on the release's Parquet files over HTTPS:

```sql
SELECT sdr_id, difficulty_date, n_number, aircraft_make, aircraft_model, part_name, part_condition, jasc_code, discrepancy
FROM 'https://openairdocs.org/data/latest/faa_service_difficulty_report.parquet'
WHERE engine_model_key = 'PW127E'
ORDER BY difficulty_date DESC
```

This list as a web page: https://openairdocs.org/engine/pratt-whitney-canada-pw127e/reports

---
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.