# Service difficulty reports: Pratt & Whitney Canada PT6B-36

A list on [Pratt & Whitney Canada PT6B-36](https://openairdocs.org/engine/pratt-whitney-canada-pt6b-36.md).

Newest first. General aviation reporting is voluntary.

- [SDR QMLA2024021320017](https://openairdocs.org/sdr/QMLA2024021320017.md): Volt Regulator · failed · Feb 6, 2024 · N129JW · Pilats PC1245 · DC Regulator
  > DUAL GENERATOR FAILURE WHEN HEATS/LIGHTS TURNED ON
- [SDR 2022F00091](https://openairdocs.org/sdr/2022F00091.md): Spar Cap · cracked · Dec 23, 2021 · N7644S · Skrsky S76B · Vertical Stabilizer Miscellaneous Structure
  > DURING COMPLIANCE WITH SIKORSKY SERVICE BULLETIN 76-015, A CRACK WAS DISCOVERED RADIATING AROUND THE UPPER LEFT HORIZONTAL STABILIZER ATTACHMENT FITTING BOLT HOLE. THE CRACK WAS INITIALLY DISCOVERED VISUALLY AND CONFIRMED WITH DYE-PENETRANT INSPECTION. THE CRA
- [SDR BTEA2020041600000](https://openairdocs.org/sdr/BTEA2020041600000.md): Fire Detector · intermittent · Apr 14, 2020 · N176BA · Skrsky S76B · Fire Detection
  > DURING PILOT TRAINING WHILE ON AN APPROACH TO LAND, THE #1 ENGINE FIRE WARNING SYSTEM INDICATED A FIRE (LIGHTS AND AURAL) FOR 3-4 SECONDS AND THEN THE INDICATIONS WENT AWAY. APPROXIMATELY 5 SECONDS LATER, THE FIRE INDICATIONS CAME BACK ON. THOUGH THERE WEREN'T
- [SDR QMLA2019081429066](https://openairdocs.org/sdr/QMLA2019081429066.md): Plate · cracked · Aug 2, 2019 · N303CF · Agusta A119 · Fuselage Main, Plate/Skin
  > RT TORQUE PLATE HAS A 1 IN. CRACK. AIRCRAFT REMAINS OUT OF SERVICE AT THIS TIME.
- [SDR CA150507002](https://openairdocs.org/sdr/CA150507002.md): Oil System · contaminated · Apr 12, 2015 · Skrsky S76B · Turbine Engine Oil System
  > (CAN) AFTER DEPARTURE, PILOT NOTICED A CHIP LIGHT AND HE ELECTED TO TURN BACK TO THE BASE. AN UNEVENTFUL LANDING WAS PERFORMED. MAINTENANCE FOUND WHAT LOOKS LIKE CARBON DEPOSIT ON CHIP DETECTOR AND FLUSHED AND REFILLED THE OIL.
- [SDR AYPR20150109001](https://openairdocs.org/sdr/AYPR20150109001.md): Spar · cracked · Jan 6, 2015 · N139CC · Skrsky S76B · Main Rotor Blades
  > DURING ROUTINE CHAPTER 5, 500 HOUR, ROOT END SPAR BORESCOPE INSPECTION, NOTICED SHADED AREA. CONFIRMED SHADED AREA AS A CRACK THROUGH INDEPENDENT NDT EDDY CURRENT INSPECTION. CRACK ORIGINATES ON THE INSIDE BORE OF THE SPAR, AT THE TE OTBD BLADE BOLT HOLE. N
- [SDR CA141202004](https://openairdocs.org/sdr/CA141202004.md): Blade · failed · Nov 5, 2014 · Skrsky S76B · Turbine Engine Compressor Section
  > (CAN) WHILE IN FLIGHT, CREW FELT A THUMP WITH NO IMMEDIATE ENGINE INDICATION CHANGES. THE CREW NOTICED A SLIGHT T5 RISE WHICH STABILIZED. WHILE REDUCING COLLECTIVE ON APPROACH, THE NR 2 ENGINE LOST POWER AND HAD FLUCTUATING ENGINE INDICATIONS. THE CREW SHUTDO
- [SDR 2FLA2014092200154](https://openairdocs.org/sdr/2FLA2014092200154.md): Fire Warning · illuminated · Sep 22, 2014 · N280TR · Skrsky S76B · Fire Detection
  > FIRE INDICATOR ILLUMINATED IN FLIGHT WITH CORRESPONDING TONE FOR 1.5 SECONDS THEN WENT OUT. HAPPENED FOUR TIMES. LANDED AT NEAREST AIRPORT WITHOUT INCIDENT.
- [SDR CA140630002](https://openairdocs.org/sdr/CA140630002.md): Oil System · contaminated · Jun 16, 2014 · Skrsky S76B · Engine Oil Indicating System
  > (CAN) THE OPERATOR INITIALLY REPORTED A CHIP INDICATION AND HIGH OIL TEMPERATURE. TECHS REMOVED THE CHIP DETECTOR AND FOUND MINOR DEBRIS. THEY PERFORMED A GROUND RUN AND RETURNED THE ENGINE TO SERVICE. UPON DEPARTURE THIS MORNING THE CREW EXPERIENCED HIGH OI
- [SDR CA140401004](https://openairdocs.org/sdr/CA140401004.md): Control Unit · malfunctioned · Mar 25, 2014 · Skrsky S76B · Fuel Controlling System
  > (CAN) PILOT REPORTED UNCONTROLLED ACCELERATION AFTER ENGINE START. THE FUEL CONTROL UNIT WAS REPLACED AND THIS CORRECTED ISSUE.
- [SDR 2015FA0000406](https://openairdocs.org/sdr/2015FA0000406.md): Amplifier · intermittent · Oct 27, 2013 · N280TR · Skrsky S76B · Fire Detection
  > FALSE FIRE WARNING DURING FLIGHT. MOMENTARY NR 2 ENGINE FIRE INDICATION, 1 TIME ON APPROACH, 2 SECOND DURATION.
- [SDR CA120702006](https://openairdocs.org/sdr/CA120702006.md): Engine · making metal · Jun 20, 2012 · Engine (Turbine/Turboprop)
  > (CAN) AFTER TAKEOFF, ON THE SECOND SORTIE, THE NR 2 ENGINE CHIPS LIGHT ILLUMINATED AND FLIGHT WAS ABORTED. ACFT RETURNED TO DEPARTURE INSPECTION OF NR 2 ENGINE RGB CHIP DETECTOR NOTED 1 BLACK CURLY SLIVER APPROXIMATELY.125" LONG. ENGINE CHIP DETECTOR WAS CL
- [SDR CA120423008](https://openairdocs.org/sdr/CA120423008.md): Engine · power loss · Apr 17, 2012 · Skrsky S76B · Engine (Turbine/Turboprop)
  > (CAN) UPON LIFT OFF FROM AN OIL RIG, THE ACFT IS REPORTED TO HAVE LOST POWER. THE EMERGENCY FLOATS WERE DEPLOYED BEFORE THE ACFT WAS DITCHED IN THE WATER. NO ONE ON BOARD WAS INJURED.
- [SDR EGRR119590](https://openairdocs.org/sdr/EGRR119590.md): Angle · cracked · May 7, 2008 · N176BA · Skrsky S76B · Fuselage Miscellaneous Structure
  > DURING INSP, TECH FOUND CRACKED TEE ANGLE P/N 76201-23014-138 AFT SECTION. REMOVED TEE ANGLE FOUND THE ENTIRE ANGLE CRACKED AND THE FWD BATHTUB FITTING P/N 76209-03002-119 CRACKED AT THE MOUNT BOLT HOLE. THE FOLLOWING PARTS WERE REPLACED IAW SRM SA 4047-76-12:
- [SDR 2562](https://openairdocs.org/sdr/2562.md): Blade · cracked · Apr 23, 2008 · N19HF · Skrsky S76B · Main Rotor Blades
  > DURING INDUCTION, INSPECTION INTO A ROTOR BLADE REPAIR FACILITY, MAIN ROTOR BLADE SPAR WAS FOUND CRACKED (INTERNAL ROOT END). CRACK ORIGINATES FROM LEADING EDGE, OB LOWER ATTACHMENT BOLT HOLE. PHENOLIC BLOCK WAS REMOVED AND DYE PENETRANT INSPECTION WAS PERFORM
- [SDR EGRR119440](https://openairdocs.org/sdr/EGRR119440.md): Skin Panel · cracked · Apr 14, 2008 · N176BA · Skrsky S76B · Fuselage Main, Plate/Skin
  > DURING PRELIMINARY INSP FOUND 6.5 INCH CRACK ON LT SIDE SKIN PANEL AT AC STA 254, WATERLINE 107. THE LT SIDE SKIN PANEL WILL BE REPLACED WITH SERVICEABLE ONE.
- [SDR U662008F00000](https://openairdocs.org/sdr/U662008F00000.md): Indication Sys · unknown · Mar 4, 2008 · N150US · Skrsky S76B · Integrated Flight System
  > PILOT REPORTED LOSS OF ALTITUDE AND HEADING INDICATIONS ON HIS SIDE (RT SIDE) WITH ASSOCIATED MALFUNCTION OF AUTOPILOT NR 2. FLOATS WERE DEPLOYED AS PRECAUTIONARY MEASURE DUE TO BEING IMC OVER WATER. NOTE: NO DISCREPANCIES HAVE BEEN FOUND YET. TROUBLESHOOTI
- [SDR LX5R200700006](https://openairdocs.org/sdr/LX5R200700006.md): Engine · making metal · Sep 13, 2007 · N761LL · Skrsky S76B · Engine (Turbine/Turboprop)
  > DURING CRUISE, SHORTLY AFTER T/O NR 2 ENG CHIP LIGHT ILLUMINATED. APPROPRIATE CB WAS PULLED TO TRY AND (BURN) OFF FUSS, BUT LIGHT REMAINED ILLUMINATED. IAW FLIGHT MANUAL, CREW LANDED WITHOUT INCIDENT AT NEAREST AIRPORT TO INVESTIGATE CHIP LIGHT. FLIGHT CONDIT
- [SDR LX5R200700005](https://openairdocs.org/sdr/LX5R200700005.md): Breather Tube · disconnected · Aug 15, 2007 · N751LL · Skrsky S76B · Air Distribution System
  > DURING CRUISE FLIGHT THE BAGGAGE SMOKE WARNING LIGHT CAME ON, THE AIR CONDITIONER BLOWER WAS TURNED OFF AND THIS MADE NO EFFECT ON THE WARNING LIGHT. THE HELICOPTER LANDED IN AN OPEN FIELD AND THE PIC CHECKED BAGAGE COMPARTMENT FOR FIRE. NO FIRE WAS NOTED AND
- [SDR CA070803004](https://openairdocs.org/sdr/CA070803004.md): Oil System · leaking · Jun 1, 2007 · Skrsky S76B · Turbine Engine Oil System
  > (CAN) ENGINE OIL TEMPERATURE WAS OBSERVED TO INCREASE IN FLIGHT AND THE PILOT ELECTED TO SHUT THE ENGINE DOWN. OIL WAS SUBSEQUENTLY SEEN LEAKING FROM THE ENGINE EXHAUST. MFG WILL INVESTIGATE THE EVENT AND ADVISE OF ROOT CAUSE ONCE DETERMINED. (TC NR 20070803
- [SDR 2006FA0000539](https://openairdocs.org/sdr/2006FA0000539.md): Breather Tube · deteriorated · May 7, 2006 · N176BA · Skrsky S76B · Accessory Gearboxes
  > ENROUTE TO A PICK UP A PATIENT. WITHIN 4 MINUTES OF TAKEOFF, MEDICAL CREW REPORTED, SMELLED SMOKE IN CABIN, BECOMING VISIBLE ALSO. PILOT NOTICED IT ABOUT SAME TIME. PILOT RETURNED WITHOUT DELAY, APPROX 30 SECONDS BEFORE TOUCHDOWN, BAGGAGE COMPARTMENT SMOKE
- [SDR 2005FA0000604](https://openairdocs.org/sdr/2005FA0000604.md): Line · chafed · Apr 1, 2005 · N780P · Skrsky S76B · Engine Fuel Indicating System
  > FUEL LINE FROM FUEL CONTROL TO FUEL FLOW TRANSMITTER CHAFED APPROCIMATELY 30 PERCENT THROUGH THE WALL THICKNESS AT THE POINT WHERE IT PASSES THROUGH FRONT FIRE SHIELD. POOR CLAMPING ARRANGEMENT AND PASS THROUGH HOLE DESIGN IN FIRE SHIELD ARE CAUSE OF CHAF AND
- [SDR CA050329010](https://openairdocs.org/sdr/CA050329010.md): Egu · oscillates · Mar 21, 2005 · Agusta A119 · Turbine Governor
  > (CAN) DURING AIRCRAFT DELIVERY FLIGHT, THE CREW REPORTED ROTOR OSCILLATION. THE ENGINE'S GOVERNING UNIT (EGU) WAS SUBSEQUENTLY REPLACED. MFG WILL MONITOR INVESTIGATION OF THE SUSPECT EGU AND WILL ADVISE OF ROOT CAUSE ONCE ESTABLISHED.
- [SDR CA050213004](https://openairdocs.org/sdr/CA050213004.md): Tube · worn · Feb 5, 2005 · Skrsky S76B · Aircraft Fuel Distribution System
  > (CAN) PRIOR TO TAKEOFF, ENGINE POWER REDUCED ACCOMPANIED BY AN INCREASE IN FUEL FLOW. THE TAKEOFF WAS ABORTED. SUBSEQUENT INSPECTION REVEALED A DISLODGED FUEL MANIFOLD TUBE WITH A WORN RETAINING PLATE COLLAR.
- [SDR N401MA](https://openairdocs.org/sdr/N401MA.md): Isolation Mount · debonded · Feb 14, 2004 · N401MA · Bell 412 · Engine (Turbine/Turboprop)
  > ENROUTE TO THE HOSPITAL FOR PATIENT PICKUP. STRONG 2 PER REV VIBRATION EXPERIENCED. LANDED AT PSP AIRPORT. CONTACTED MAINTENANCE FOR REPAIRS. AFTER TROUBLESHOOTING FOUND LATERAL ISOLATION MOUNT DEBONDED. REMOVED AND INSTALLED SERVICEABLE UNIT.
- [SDR 12262002](https://openairdocs.org/sdr/12262002.md): Windshield · cracked · Dec 26, 2002 · N176BA · Skrsky S76B · Window/Windshield System
  > PILOTS WINDSHIELD CRACKED IN FLIGHT WITH THE WINDSHIELD HEAT "ON". WHEN THE CRACK OCCURED, THERE WERE SPARKS COMING FROM THAT AREA. ALSO, THERE WERE TWO AREAS APPROXIMATELY 3 INCH IN LENGTH THAT HAD MELTED PLASTIC EXTRUDED OUT OF THE CRACK. THE INNER LAYER OF
- [SDR AUS20021487](https://openairdocs.org/sdr/AUS20021487.md): Blade · cracked · Sep 29, 2002 · Agusta A119 · Tail Rotor Blades
  > (AUS) TAIL ROTOR BLADE CRACKED. MANUFACTURER STATES THAT CRACKING IS CAUSED BY SLIPPAGE OF THE GLUE BETWEEN THE FINGER DOUBLER AND THE BLADE SKIN.
- [SDR AUS20021486](https://openairdocs.org/sdr/AUS20021486.md): Blade · cracked · Sep 22, 2002 · Agusta A119 · Tail Rotor Blades
  > (AUS) TAIL ROTOR BLADE CRACKED. MANUFACTURER STATES THAT CRACKING IS CAUSED BY SLIPPAGE OF THE GLUE BETWEEN THE FINGER DOUBLER AND THE BLADE SKIN.
- [SDR AUS20020905](https://openairdocs.org/sdr/AUS20020905.md): Blade · damaged · Aug 18, 2002 · Agusta A119 · Tail Rotor Blades
  > (AUS) TAIL ROTOR BLADE PAINT CRACKED.
- [SDR YTRR077529](https://openairdocs.org/sdr/YTRR077529.md): Line · cracked · Jan 2, 2002 · N293CA · Bell 212 · Fuel Control/Reciprocating Engines
  > P3 FILTER LINE ON NR 1 ENGINE CRACKED, REPLACED P3 FILTER LINE ASSEMBLY WITH NEW SERVICEABLE ASSEMBLY.
- [SDR AUS20011388](https://openairdocs.org/sdr/AUS20011388.md): Fuel Control · contaminated · Dec 27, 2001 · Agusta A119 · Fuel Control/Turbine Engines
  > (AUS) FUEL CONTROL UNIT CONTAMINATED WITH BRONZE PARTICLES.
- [SDR BTEAS76B001](https://openairdocs.org/sdr/BTEAS76B001.md): Line · burst · Sep 8, 2000 · N176BA · Skrsky S76B · Hydraulic System, Main
  > NR 2 HYDRAULIC PRESSURE LINE FROM HYDRAULIC PUMP TO BULKHEAD FITTING FAILED ON AIRCRAFT START-UP. LINE BURST FROM INSIDE WITHOUT WARNING, (NO LEAKS NOTED ON PREFLIGHTS). LINE WAS REPLACED, SYSTEM SERVICED AND AIRCRAFT RETURNED TO SERVICE. (X)
- [SDR 96ZZZX3945](https://openairdocs.org/sdr/96ZZZX3945.md): Housing · damaged · Jul 18, 1996 · N22CP · Skrsky S76B · Turbine Engine Accessory Drive
  > AIRCRAFT TT: 999.1 HOURS. NR 1 ENGINE TT, 999.1 HOURS. DURING REPLACEMENT OF NR 1 HMU, FOUND CORROSION DAMAGE IN THE BORE ON THE HOUSING WHERE HMU IS INSTALLED. CORROSION DAMAGE WAS AT THE 6 O'CLOCK POSITION, AND RANGED FROM MINOR TO SOME DEEP PITS UP TO.
- [SDR 95ZZZX6836](https://openairdocs.org/sdr/95ZZZX6836.md): Vane Ring · cracked · Oct 30, 1995 · N780P · Skrsky S76B · Turbine Engine Compressor Section
  > INSPECTION FOUND CRACKS IN COMPRESSOR TURBINE VANE RING WHICH CAUSE INACCURATE POWER ASSURANCE READINGS.
- [SDR 95ZZZX5614](https://openairdocs.org/sdr/95ZZZX5614.md): Junction Box · defective · Sep 11, 1995 · N22CP · Skrsky S76B · Turbine Engine Oil System
  > NR 2 ENGINE 'CHIP' LIGHT ILLUMINATED, WOULD NOT CLEAR BY CYCLING NR 2 CHIP CIRCUIT BREAKER. INSPECTED BOTH AGB AND RGB CHIP PLUGS FOR METAL PARTICLES - BOTH WERE CLEAN (NO METAL PARTICLES ATTACHED). REINSTALLED CHIP PLUGS, LIGHT STILL ILLUMINATED. REMOVED A

## 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 = 'PT6B36'
ORDER BY difficulty_date DESC
```

This list as a web page: https://openairdocs.org/engine/pratt-whitney-canada-pt6b-36/reports

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