# Service difficulty reports: Pratt & Whitney Canada PT6A-68

A list on [Pratt & Whitney Canada PT6A-68](https://openairdocs.org/engine/pratt-whitney-canada-pt6a-68.md).

Newest first. General aviation reporting is voluntary.

- [SDR CA160301008](https://openairdocs.org/sdr/CA160301008.md): Stator · damaged · Feb 6, 2016 · Turbine Section
  > (CAN) DURING THE FLIGHT, THE CREW NOTICED RGB CHIP DETECTOR WARNING THEN WAS NOTICED AGB CHIP DETECTOR WARNING WITH STRONG VIBRATION AND LOW OIL PRESSURE 10 PSI. THE PILOT REDUCED THE POWER AND THE OIL PRESSURE INCREASED AROUND 20 PSI, WITH THIS CONDITION THE
- [SDR CA160120003](https://openairdocs.org/sdr/CA160120003.md): Engine · overtorqued · Jan 5, 2016 · Engine (Turbine/Turboprop)
  > (CAN) PILOT WAS PERFORMING TOUCH AND GO EXERCISES AND WHILE PERFORMING A GO AROUND, THE ENGINE REVERTED TO MANUAL MODE. PILOT RETURNED TO POINT OF ORIGIN AND LANDED SAFELY. THE PMU DATA ANALYSIS REVEALED THE ENGINE HAD AN OVER TORQUE Q, LIMIT OF 132.78 PERCE
- [SDR CA160119014](https://openairdocs.org/sdr/CA160119014.md): Engine · shutdown · Dec 27, 2015 · Pilats PC12 · Engine (Turbine/Turboprop)
  > (CAN) THE OPERATOR REPORTED AN ENGINE UNCOMMANDED SHUTDOWN ON GROUND SHORTLY AFTER LANDING. THIS HAPPENED AFTER THE PILOT DID 2 POWER MANAGEMENT SYSTEM (PMS) RESET`S DUE TO POWER MANAGEMENT UNIT, PMU FAULT. THE FLIGHT DATA SHOWED THAT THE PILOT DID RESET THE P
- [SDR CA151130013](https://openairdocs.org/sdr/CA151130013.md): Engine · malfunctioned · Aug 26, 2015 · Engine (Turbine/Turboprop)
  > (CAN) WHEN DESCENDING FROM CRUISE TO FL 150, THE PILOT NOTED WARNING LIGHT ON "ENG MAIN". PILOT REDUCE THE POWER TO IDLE (VIA POWER LEVER). WHEN THE PILOT TRIED TO ACCELERATE THE ENGINE ALL ENGINES PARAMETERS CONTINUED IN IDLE. NO COMMAND VIA POWER LEVER. POWE
- [SDR CA150410002](https://openairdocs.org/sdr/CA150410002.md): Oil System · leaking · Apr 7, 2015 · Turbine Engine Oil System
  > (CAN) PILOT REPORTED INFLIGHT EMER DUE TO LOSS OF OIL PRESS & CHIP DETECTOR LIGHT. ENG STOPPED OPERATING AT ABOUT 6,000 FT. THE PILOT MADE AN UNEVENTFUL LANDING ON RUNWAY. LARGE STREAKS OF OIL REPORTED ON LT SIDE OF FUSELAGE. OIL TANK EMPTY & ENG SEIZED ALS
- [SDR CA140804013](https://openairdocs.org/sdr/CA140804013.md): Bracket · damaged · Aug 4, 2014 · Engine Fuel Distribution
  > (CAN) MFG IDENTIFIED AN ISSUE WHERE THE FUEL TUBE BRACKET, ST3493-06, WAS INSTALLED ON A ENGINE WITH RUBBER MISSING ON 50 PERCENT OF THE BRACKET. THIS BRACKET IS APPLICABLE TO ENGINE MODELS. AN ENGINEERING ASSESSMENT IDENTIFIED THAT OVER TIME THERE IS A CHANC
- [SDR CA140721014](https://openairdocs.org/sdr/CA140721014.md): Blade · fractured · Jun 25, 2014 · Turbine Section
  > (CAN) FIRST FLIGHT OF THE DAY PILOT REPORTED A METAL TYPE OF NOISE DURING POWER CHECK. PERFORMED ANOTHER POWER CHECK AND FOUND ALL NORMAL, AND THEN FLEW FOR 1.4 HOURS WITH NO PROBLEMS. WHEN SECOND CREW CAME OUT TO FLY PROPELLER WAS FOUND NOT TO TURN COUNTER C
- [SDR CA131007009](https://openairdocs.org/sdr/CA131007009.md): Nozzle · malfunctioned · Sep 13, 2013 · Fuel Injector Nozzle
  > (CAN) THE PILOT WAS ON TAKEOFF ROLL AT ABOUT 88 KNOTS WHEN HE WITNESSED A PUFF OF SMOKE FROM THE EXHAUST STACKS, THE PMU STATUS LIGHT ILLUMINATED, AND THE ENGINE TEMPERATURE INCREASED WHILE COMPRESSOR SPEED AND TORQUE DECREASED BEFORE THE THROTTLE WAS PULLED B
- [SDR CA130805001](https://openairdocs.org/sdr/CA130805001.md): Engine · overtemp · Jul 26, 2013 · Engine (Turbine/Turboprop)
  > (CAN) THE US NAVY REPORTED THAT THE ENGINE EXPERIENCED A HIGH TEMPERATURE FLUCTUATIONS JUST AFTER TAKEOFF. THE PILOT ELECTED TO RETURN TO THE BASE. DURING TAXI, THE PMU STATUS MESSAGE ILLUMINATED AND HIGH TEMPERATURE FLUCTUATIONS OCCURRED AGAIN. THE PILOT IM
- [SDR CA130603007](https://openairdocs.org/sdr/CA130603007.md): Engine · power loss · May 28, 2013 · Engine (Turbine/Turboprop)
  > (CAN) REPORTED THAT THE ENGINE EXPERIENCED A POWER REDUCTION AND HIGH ITT DURING FLIGHT. AT FINAL APPROACH THE ENGINE LOST ALL POWER. THE ON GROUND INVESTIGATION REVEALED THAT THE PROPELLER COULD NOT TURN, THE CHIP DETECTOR WAS CLEAN AND THE COMPRESSOR WAS T
- [SDR CA111019004](https://openairdocs.org/sdr/CA111019004.md): Engine · making metal · Oct 10, 2011 · Engine (Turbine/Turboprop)
  > (CAN) DURING FLIGHT, THE PILOT RECEIVED A CHIP DETECTOR WARNING. HE THEN LANDED SAFELY, OFF-BASE, WITH THE ENGINE OPERATING NORMALLY UNTIL IT WAS SHUTDOWN. POST FLIGHT INSPECTION FOUND A METALLIC CHIP ON THE DETECTOR. THE ENGINE WILL BE REMOVED AND FORWARDE
- [SDR CA100928005](https://openairdocs.org/sdr/CA100928005.md): Powerplant · failed · Sep 24, 2010 · Engine (Turbine/Turboprop)
  > ACCIDENT IT WAS REPORTED THAT DURING A PILOT TRAINING FLIGHT ACFT CRASHED AFTER EXPERIENCING ENGINE TROUBLE. BOTH CREW MEMBERS WERE ABLE TO SUCCESSFULLY EJECT AND ARE UNINJURED. MFG ASSISTANCE HAS BEEN OFFERED TO THE USAF SAFETY BOARD. MFG SERVICE INVESTIGAT
- [SDR LM1RRA0159](https://openairdocs.org/sdr/LM1RRA0159.md): Transfer Tube · misaligned · Jun 28, 2010 · Turbine Engine Oil System
  > PRIOR TO INSTALLATION, CUSTOMER REPORTED STATIC OIL LEAK FROM ENGINE INLET. AGB REMOVED REVEALING A CUT O-RING AND DISTORTED PACKING GROOVE ON THE NR1 BEARING TRANSFER TUBE JOINING THE AGB DIAPHRAM AND AIR INLET HSG. LIKELY CAUSE WAS MISALIGNMENT OF TRANSFER
- [SDR CA100622011](https://openairdocs.org/sdr/CA100622011.md): Engine · power loss · Feb 24, 2010 · Engine (Turbine/Turboprop)
  > ABORTED TAKEOFF UPON BEING CLEARED FOR TAKEOFF, THE PILOT PUSHED THE POWER UP TO MAX FOR A ROLLING TAKEOFF. UPON REACHING APPROX 65 KIAS, THE POWER MANAGEMENT UNIT (PMU) STATUS LIGHT ILLUMINATED AND TORQUE BEGAN TO DECREASE. THE PILOT INITIATED AN ABORT AND NO
- [SDR CA100622016](https://openairdocs.org/sdr/CA100622016.md): Warning Light · illuminated · Jan 30, 2010 · Turbine Engine Oil System
  > EMERGENCY LANDING FOLLOWING AREA MANEUVERS AND APPROX 1.2 HRS INTO FLIGHT, THE CHIP DETECTOR WARNING LIGHT ILLUMINATED. THE CREW EXECUTED THE EMERGENCY CHECKLIST PROCEDURES, AND FLEW AN EMERGENCY LANDING PATTERN (ELP) INTO THE AIRFIELD. THE ELP AND LANDING WE
- [SDR CA081125011](https://openairdocs.org/sdr/CA081125011.md): Sleeve · damaged · Nov 13, 2008 · Propeller System
  > (CAN) WHILE IN THE VFR PATTERN THE ACFT EXPERIENCED A LOSS OF POWER ACCOMPANIED BY A CHIP LIGHT. THE ENG STABILIZED AT A REDUCED POWER SETTING AND 85 PERCENT NP AND THE CREW MADE AN EMERGENCY LANDING. AN INSP OF THE PROPELLER TRANSFER SLEEVE REVEALED BLUING. T
- [SDR CA081105007](https://openairdocs.org/sdr/CA081105007.md): Engine · making metal · Oct 29, 2008 · Engine (Turbine/Turboprop)
  > (CAN) DURING FLIGHT TEST, THE ENG HAD A PARTIAL FEATHERING OF THE PROPELLER LEADING TO A PARTIAL LOST OF THRUST. THE ENGINE "CHIP LIGHT" CAME APPROX 20 SECONDS AFTER LOST OF THRUST. THE PILOT REDUCED POWER TO FLIGHT IDLE AND RETURNED TO BASE. POST FLIGHT INSP
- [SDR CA080221007](https://openairdocs.org/sdr/CA080221007.md): Engine · malfunctioned · Feb 8, 2008 · Engine (Turbine/Turboprop)
  > (CAN) DURING A TRAINING MISSION, THE PILOT REPORTED HIGH ITT, VIBRATION AND FLAME FROM THE ENGINE EXHAUST AND ELECTED TO SHUTDOWN THE ENGINE. LANDED WITHOUT INCIDENT. ENGINE WILL BE REMOVED AND RETURNED FOR INVESTIGATION. MFG WILL CONTINUE INVESTIGATING THE EV
- [SDR CA070314021](https://openairdocs.org/sdr/CA070314021.md): Engine · making metal · Feb 23, 2007 · Raythn G36 · Engine (Turbine/Turboprop)
  > (CAN) DURING A TRAINING MISSION, THE ENGINE EXPERIENCED AN UNCOMMANDED REDUCTION IN POWER ACCOMPANIED BY A NOISE AND A CHIP DETECTOR INDICATION. SUBSEQUENT INSPECTION REVEALED METALLIC DEBRIS IN THE ENGINE OIL SYSTEM. MFG WILL INVESTIGATE THE EVENT AND ADVIS
- [SDR CA070514010](https://openairdocs.org/sdr/CA070514010.md): Engine · making metal · Feb 23, 2007 · Raythn G36 · Engine (Turbine/Turboprop)
  > (CAN) ON A TRAINING MISSION, THE ENGINE EXPERIENCED A LOSS OF THRUST (DURING TRAFFIC PATTERN STALLS) ACCOMPANIED BY A NOISE AND A CHIP DETECTOR INDICATION. THE PILOT DECLARED AN EMERGENCY AND ABORTED THE MISSION. SUBSEQUENT INSPECTION REVEALED METAL PARTICL
- [SDR CA051223006](https://openairdocs.org/sdr/CA051223006.md): Warning Light · illuminated · Nov 30, 2005 · Engine (Turbine/Turboprop)
  > DURING SPIN RECOVERY MANEUVERS THE ENGINE CHIP DETECTOR WARNING ANNUNCIATED ACCOMPANIED BY VIBRATION. THE AIRCRAFT DIVERTED FOR AN UNSCHEDULED LANDING. P&WC WILL INVESTIGATE THE EVENT AND ADVISE OF ROOT CAUSE ONCE ESTABLISHED.
- [SDR CA051129008](https://openairdocs.org/sdr/CA051129008.md): Engine · fire · Nov 2, 2005 · Engine (Turbine/Turboprop)
  > DURING AEROBATIC MANEUVERS (RAYTHEON T-6A) SMOKE AND FUMES BECAME EVIDENT IN THE COCKPIT. P&WC WILL MONITOR INVESTIGATION OF THE INCIDENT AND WILL ADVISE OF ROOT CAUSE ONCE ESTABLISHED.
- [SDR CA050824014](https://openairdocs.org/sdr/CA050824014.md): Turbine Blades · damaged · Aug 11, 2005 · Turbine Section
  > (CAN) THE ENGINE EMITTED A LOUD NOISE ACCOMPANIED BY SPARKS FROM THE EXHAUST. THE ENGINE WAS SECURED IN FLIGHT AND A DEAD-STICK LANDING CARRIED OUT. SUBSEQUENT INSPECTION REVEALED FRACTURED POWER TURBINE BLADES AND SEIZURE OF THE POWER SECTION. P&WC WILL IN
- [SDR CA050629005](https://openairdocs.org/sdr/CA050629005.md): Engine · making metal · Jun 23, 2005 · Engine (Turbine/Turboprop)
  > DURING TAKEOFF AN UNCOMMANDED PROPELLER FEATHER OCCURRED. NORMAL POWER WAS RESTORED AFTER PULLING THE PROPELLER SYSTEM CIRCUIT BREAKER AND THE AIRCRAFT DIVERTED TO AN AUXILIARY AIRFIELD. THE ENGINE CHIP DETECTOR WARNING SUBSEQUENTLY ANNUNCIATED FOLLOWED BY U
- [SDR CA050213003](https://openairdocs.org/sdr/CA050213003.md): Engine · making metal · Feb 1, 2005 · Engine (Turbine/Turboprop)
  > (CAN) A CHIP DETECTOR WARNING ANNUNCIATED IN FLIGHT, REPORTED AS ACCOMPANIED BY PROPELLER SPEED FLUCTUATIONS. SUBSEQUENT INSPECTION REVEALED METAL PARTICLES AT THE CHIP DETECTOR AND OIL FILTER LOCATIONS. PWC WILL INVESTIGATE THE EVENT AND WILLSUPPLEMENT THIS

## 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 = 'PT6A68'
ORDER BY difficulty_date DESC
```

This list as a web page: https://openairdocs.org/engine/pratt-whitney-canada-pt6a-68/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.