# Service difficulty reports: Garrett TFE731-3A

A list on [Garrett TFE731-3A](https://openairdocs.org/engine/garrett-tfe731-3a.md).

Newest first. General aviation reporting is voluntary.

- [SDR 2017F00178](https://openairdocs.org/sdr/2017F00178.md): Flow Valve · faulty · Sep 20, 2017 · N178AM · Lear 55C · Cabin Pressure Control System
  > ON DEPARTING KCXY "CABIN ALT" LIGHT ILLUMINATED PASSING THROUGH 10,000 FEET. CAPTAIN ELECTED TO LAND AT KMDT INSTEAD OF THE FILED DESTINATION (FXE).
- [SDR 2016F00229](https://openairdocs.org/sdr/2016F00229.md): Line · worn · Nov 3, 2016 · N667MB · Lear 55LEAR · Hydraulic System, Main
  > LOST HYDRAULIC FLUID. FOUND HYD LINE WORN.
- [SDR G41A20160628002](https://openairdocs.org/sdr/G41A20160628002.md): Wire · pulled · Jun 24, 2016 · N824MG · Lear 55LEAR · Powerplant System Wiring
  > ON THE AFTERNOON OF 6-24-2016, ACFT DEPARTED, AT FL290, THE CAPTAIN NOTICED THE NR 2 ENGINE HAD STARTED A SLIGHT ROLLBACK ON THE N1 AND N2 INDICATORS. THEY ATTEMPTED TO CONTINUE TO THEIR CRUISING ALTITUDE, THE ROLLBACK CONTINUED AND GRADUALLY GOT WORSE. THE
- [SDR G41A20160203001](https://openairdocs.org/sdr/G41A20160203001.md): Filter · collapsed · Jan 31, 2016 · N61SJ · Lear 55LEAR · Aircraft Fuel Filter/Strainer
  > AFTER DEPART, CLIMBING THROUGH 34000', THE CAPTAIN NOTICED THE MASTER WARNING FLASHING, LT FUEL PRESS LIGHT FLASHED MOMENTARILY, WENT OUT & THEN CAME BACK ON. THE LT STANDBY PUMP WAS SWITCHED ON, ALL ENG INSTRUMENTS AT FIRST WERE INDICATING NORMAL. A FEW SEC
- [SDR 2015FA0000388](https://openairdocs.org/sdr/2015FA0000388.md): Valve · leaking · Aug 19, 2015 · N824MG · Lear 55LEAR · Accessory Gearboxes
  > ON DESCENT, THE CAPTAIN NOTICED THE OIL PRESSURE ON THE RT ENGINE, FLUCTUATING FROM NORMAL OPERATING PRESSURE OF 42PSI DOWN TO 25PSI. IT GRADUALLY DROPPED DOWN TO 20PSI AND HE THEN ELECTED TO SHUT THE ENGINE DOWN AND DECLARE AND EMERGENCY. THE ACFT WAS LANDE
- [SDR A8JA201506040021](https://openairdocs.org/sdr/A8JA201506040021.md): Indicator · faulty · Jun 4, 2015 · N575GH · Lear 55LEAR · Power Indicating System
  > AT APPROX 0800 CST AT, TAXIED ACFT TO RUNWAY 12R FOR DEPARTURE. CREW SET THRUST ON ENGS & NOTICED NO N1 INDICATION ON NR 1 ENG. ALL OTHER INDICATIONS WERE NORMAL. ABORTED TAKEOFF & NOTIFIED TOWER IT WAS DUE TO GAUGE MALFUNCTION. TAXIED ACFT BACK TO CHOCKS
- [SDR G41A20141126002](https://openairdocs.org/sdr/G41A20141126002.md): Unknown · malfunctioned · Nov 23, 2014 · N277AL · Lear 55LEAR · Integrated Flight System
  > EN ROUTE, THE CAPTAIN EXPERIENCED THE RT & LT ADIS FAILING WITH FLAGS & NO USE FULL INFORMATION. AN EMER WAS DECLARED & THE CAPTAIN STARTED DESCENDING. DESCENDING THROUGH 4000FT, ALL NORMAL ADI INDICATIONS & FUNCTIONS RETURNED. THE ACFT SAFELY LANDED. AVIO
- [SDR G41A2013F00113](https://openairdocs.org/sdr/G41A2013F00113.md): Turbine Blades · damaged · Jul 14, 2013 · N61SJ · Lear 55LEAR · Turbine Section
  > STARTING ENGINES PREPARING FOR DEPARTURE, NR 2 ENGINE RUNNING AFTER BEING STARTED WITH A POWER CART. CAPTAIN DECIDED TO TAXI OUT AND START NR 2 ENGINE. NR 2 STARTER ENGAGED, CAPTAIN NOTICED BATTERY VOLTS HAD DROPPED TO 19 VOLTS AND A HOT START WAS EMINENT.
- [SDR G41A20130613002](https://openairdocs.org/sdr/G41A20130613002.md): Connector · damaged · Jun 12, 2013 · N61SJ · Lear 55LEAR · Air Conditioning System Wiring
  > DURING CLIMB, BETWEEN 150 AND 170, CABIN AREA BECAME UNCOMFORTABLY WARM. CREW NOTICED CABIN TEMPERATURE INDICATOR WAS INDICATING FULL HOT AND WOULD NOT MOVE IN AUTO MODE. TEMPERATURE CONTROL WAS MOVED TO MANUAL AND TEMP INDICATOR MOVED TOWARDS COOL. AFTER
- [SDR BKEA2012F00041](https://openairdocs.org/sdr/BKEA2012F00041.md): Landing Gear · inoperative · Jan 19, 2012 · N125LR · Lear 55LEAR · Landing Gear Retraction/Extension System
  > AFTER T/O, THE LANDING GEAR HANDLE WAS SELECTED TO THE UP POSITION AND LANDING GEAR FAILED TO RETRACT. PILOTS THEN PROCEDED TO RETURN TO DEPARTURE.
- [SDR CA110816009](https://openairdocs.org/sdr/CA110816009.md): Turbine · failed · Jul 25, 2011 · Lear 55LEAR · Turbine Section
  > (CAN) AFTER ENGINE START THE PILOTS HEARD A STRANGE SOUND FROM THE NR 2 ENGINE AND IMMEDIATELY SHUTDOWN. MX CONTACTED MFG WHO INSTRUCTED THE PILOTS TO RUN THE ENGINE AND PERFORM A SERIES OF CHECKS. DURING THE RUN THE ACFT TEMPERATURE STARTED TO CLIMB TOWARDS
- [SDR 2011F00143](https://openairdocs.org/sdr/2011F00143.md): Warning Light · false activation · Jun 12, 2011 · N824MG · Lear 55LEAR · Cabin Pressure Control System
  > DEPARTING, THE CAPTAIN REPORTED THAT AT ABOUT 60 KTS THE AMBER CABIN PRESSURE WARNING LIGHT ILLUMINATED, THE CAPTAIN DECIDED TO ABORT THE TAKEOFF. AFTER ROLLING CLEAR OF THE RUNWAY ONTO A TAXIWAY, HE SWITCHED THE CABIN AIR FROM ON TO OFF THEN BACK ON. THE CAB
- [SDR 2010FA0001007](https://openairdocs.org/sdr/2010FA0001007.md): O-Ring · damaged · Sep 3, 2010 · N966CR · Lear 55LEAR · Hydraulic System, Main
  > (QFYR) O-RING PACKING FAILED ON THE LT MLG ACTUATOR SWIVEL FITTING ALLOWING HYDRAULIC FLUID TO LEAK OVERBOARD. THIS O-RING IS AT THE BASE OF THE SWIVEL FITTING. WHERE IT ATTACHES TO THE ACTUATOR. THE ACFT SPOILERS WHEN OPERATED OPENED AND THEN SLAMMED BACK
- [SDR V6N2010F00000](https://openairdocs.org/sdr/V6N2010F00000.md): Engine · failed · Mar 19, 2010 · N59HJ · Lear 55LEAR · Engine (Turbine/Turboprop)
  > ENROUTE, ACFT EXPERIENCED A LOUD BANG AND SHUDDER WITH SUBSEQUENT IMMEDIATE LOSS OF THE RT ENGINE. AIRCREW EXECUTED EMERGENCY PROCEDURES AND LANDED UNEVENTFULLY. SUBSEQUENT POSTFLIGHT INSP BY AIRCREW REVEALED THAT FAILURE WAS CONTAINED. TS LAST MPI 1158/ TS
- [SDR OZCA11082009](https://openairdocs.org/sdr/OZCA11082009.md): Valve · defective · Nov 8, 2009 · N211BC · Lear 55C · Cabin Pressure Control System
  > DURING A REPOSITIONING FLIGHT FROM FLL TO ORL AFTER DEPARTURE THE CAPTAIN NOTICED SMOKE FORMING IN THE CABIN AND RETURNED TO FLL FOR AN UNEVENTFUL LANDING. MAINTENANCE INSPECTED THE AIRCRAFT AND FOUND THE EMERGENCY PRESSURIZATION VALVE TO BE DEFECTIVE. THE U
- [SDR DELA200800001](https://openairdocs.org/sdr/DELA200800001.md): Oil System · low · Feb 7, 2008 · N122LX · Lear 55LEAR · Turbine Engine Oil System
  > DURING CLIMB DETECTED LIGHT SMOKE ODOR IN A/C. OIL PRESSURE LIGHT CAME ON IN FLIGHT CLIMBING THROUGHFL300, REMAINED ON FOR APPROX 1 MIN. ANALOG GAUGE SHOWED 25 PSI. PULLED POWER TO IDLE TO START S/D PROCEDURE AND EVENTUALLY OIL PRESSURE BECAME NORMAL. MONITORE
- [SDR DELR200800001](https://openairdocs.org/sdr/DELR200800001.md): Oil System · low · Feb 7, 2008 · N122LX · Lear 55LEAR · Engine Oil Quantity
  > DURING CLIMB, SMELLED LIGHT SMOKE ODOR IN A/C. OIL PRESSURE LIGHT CAME ON IN FLIGHT CLIMBING THROUGH FL300, REMAINED ON FOR APPROX 1 MIN. ANALOG GAUGE SHOWED 25 PSI. PULLED POWER TO IDLE TO START S/D PROCEDURE AND EVENTUALLY OIL PRESSURE BECAME NORMAL. WAS MON
- [SDR CA071212003](https://openairdocs.org/sdr/CA071212003.md): Ring · incorrect · May 10, 2007 · Israel 1125 · Altimeter, Barometric/Encoder
  > (CAN) MODIFICATION OF LOCKING PIN SLOT OF ITEM (PN 152734). RING SUPPORT FOUND ON THIS STBY ALTIMETER (TC NR 20071212003).
- [SDR 200700001](https://openairdocs.org/sdr/200700001.md): Motor · sticks · Feb 6, 2007 · N522WK · Lear 55LEAR · Cabin Temperature Control System
  > AMBER DUCT OVHT ANNUNCIATOR ILLUMINATED ABOVE FL300 APPROXIMATELY 20 MINUTES INTO FLIGHT. CREW NOTICED THAT THE CREW TEMP INDICATOR READ 4 ON THE SCALE WITH SYSTEM IN MANUAL AND TEMP CONTROL SELECTED TO FULL COLD. CREW INITIATED THE APPROPRIATE ABNORMAL CHECKL
- [SDR DELA200600003](https://openairdocs.org/sdr/DELA200600003.md): Gasket · leaking · Jul 31, 2006 · N550HG · Lear 55LEAR · Engine Bleed Air System
  > CLIMBING THROUGH FL 300, THE FLIGHT CREW WITNESSED THE RT ENG FIRE WARN LIGHT ILLUMINATE. FOLLOWING CHECKLIST PROCEDURES, THE LIGHT WENT OUT AFTER 15-20 SECONDS, AND REMAINED OUT. AN UNSCHEDULED LANDING WAS MADE AT THE DEPARTURE AIRPORT. INSPECTION BY MAINTEN
- [SDR MJF33006](https://openairdocs.org/sdr/MJF33006.md): Fire Detector · shorted · Mar 30, 2006 · N83WM · Lear 55LEAR · Fire Detection
  > LEFT ENGINE FIRE WARNING LIGHT LIGHT CAME ON DURING DESCENT AT 17,000 FT TO HPN.
- [SDR 2006FA0000249](https://openairdocs.org/sdr/2006FA0000249.md): Gasket · leaking · Feb 15, 2006 · N32KJ · Lear 55LEAR · Crew Oxygen System
  > PILOT O2 MASK HAD ORIGINAL O/H DATE OF 6/05. MASK WAS PLACED IN SERVICE IN AC 55093. MASK DID NOT TEST PROPERLY AT DELIVERY DATE OF 6/23/05. MASK WAS SENT BACK, FOUND TO HAVE A LEAK. MASK WAS REPAIRED AND SENT BACK TO AC. MASK WAS FOUND TO BE LEAKING AGAI
- [SDR DEL2005F00000](https://openairdocs.org/sdr/DEL2005F00000.md): Tire · failed · Aug 7, 2005 · N273MG · Lear 55LEAR · Tire
  > NOSE TIRE FAILED ON TAKEOFF RUN. REPLACED NOSE TIRE (WHEEL ASSY WITH NEW TIRE AND OVERHAULED WHEEL ASSY. (K)
- [SDR 2005FA0001263](https://openairdocs.org/sdr/2005FA0001263.md): Windshield · delaminated · Aug 5, 2005 · N32KJ · Lear 55LEAR · Flight Compartment Windows
  > WINDSHIELD HAS CONSIDERABLE DELAMINATIONS AT AREA BELOW DEFOG NOZZLE. DIMENSIONS OF AREA 3.5 INCH X 2 INCH. DEPTH OF DELAMINATIONS UP TO.125. THIS IS NOT THE FIRST WINDSHIELD FOUND IN THIS CONDITION. PROBABLE CAUSE IS ALCOHOL GETTING BETWEEN THE WINDSHIEL
- [SDR DELA20040002](https://openairdocs.org/sdr/DELA20040002.md): Motor · stuck · Aug 19, 2004 · N273MG · Lear 55LEAR · Cabin Temperature Control System
  > DURING DESCENT, THE CABIN TEMPERATURE CLIMBED TO AN UNCOMFORTABLE LEVEL. USE OF MANUAL CABIN TEMPERATURE MODE DID NOT CORRECT THE PROBLEM. T/S REVEALED THAT THE CABIN TEMPERATURE CONTROL VALVE TORQUE MOTOR WAS STUCK. REMOVAL AND REPLACEMENT OF THE TORQUE MOTO
- [SDR BAQ2004F00002](https://openairdocs.org/sdr/BAQ2004F00002.md): Heat Exchanger · clogged · Jun 17, 2004 · N40DK · Lear 55LEAR · Cabin Cooling System
  > THE COOLING FINS WERE COMPLETELY OBSTRUCTED WITH OIL, DUST, FILM. YOU CAN NOT GAIN ACCESS OF THE COMPONENT, SHORT OF REMOVING IT FROM THE SYSTEM.
- [SDR CA030424004](https://openairdocs.org/sdr/CA030424004.md): Duct · cracked · Apr 21, 2003 · Israel ASTRASPX · Air Distribution System
  > (CAN) DURING A 1000 HR INSPECT, AFT BAGGAGE COMPARTMENT INTERIOR WAS REMOVED, ALLOWING INSPECTION ACCESS TO THE RAM AIR DUCT. THIS PLASTIC DUCT IS LOCATED ON THE RIGHT HAND SIDE TUCKED TIGHTLY AGAI NST THE FUSELAGE SKIN AT STA 350. DURING INSPECTION, A 10 INCH
- [SDR CA020612007](https://openairdocs.org/sdr/CA020612007.md): Stator · separated · Mar 16, 2002 · Israel 1125 · Turbine Engine Compressor Section
  > (CAN) AFTER TAKEOFF AT APPROXIMATELY 3,000 FT ASL EXPERIENCED A VIBRATION AND NOISE FROM THE RT ENGINE. THE POWER LEVER WAS RETARDED TO IDLE AND ALL VIBRATION AND NOISE DISAPPEARED, AND ENGINE INDICATIONS WHERE WITHIN LIMITS AT THIS TIME. REQUESTED VECTORS BAC
- [SDR DJFA20020208](https://openairdocs.org/sdr/DJFA20020208.md): Engine · failed · Jan 23, 2002 · N381CW · Cessna 650 · Engine (Turbine/Turboprop)
  > DURING DESCENT, THE AIRCRAFT SHOOK FOLLOWED BY A NR 2 ENGINE CHIP DETECTOR LIGHT ILLUMINATION. ENGINE WAS SHUT DOWN AND AN UNEVENTFUL LANDING WAS MADE. UPON VISUAL EXAMINATION, THERE WERE NO EXTERNAL OIL LEAKS, THE OIL RESERVOIR WAS FOUND FULL AND THE FAN WA
- [SDR DIN2001F00001](https://openairdocs.org/sdr/DIN2001F00001.md): Retainer · broken · Nov 29, 2001 · N127GT · Lear 55LEAR · Turbine Engine Accessory Drive
  > ENG WOULD NOT START. INVESTIGATION FOUND ACCESSORIES AND STARTER MOTOR WOULD TURN BUT ENGINE N1 AND N2 ROTORS DID NOT. FOUND HORIZ DR SHAFT (PN 3070201-11) HAD UNCOUPLED FROM ACCY GEARBOX DUE TO RETAINER RING (M27426-3116A) BECOMING UNLOCKED AND ALLOWING MOV
- [SDR DIN2001F00002](https://openairdocs.org/sdr/DIN2001F00002.md): Retainer · broken · Nov 29, 2001 · N127GT · Lear 55LEAR · Turbine Engine Accessory Drive
  > DURING FLIGHT, LEFT HAND ENGINE EXPERIENCED UNCOMMANDED SHUTDOWN. INVESTIGATION FOUND HORIZONTAL DRIVE SHAFT (PN 3070201-11) HAD UNCOUPLED FROM THE ACCESSORY GEARBOX DUE TO RETAINER RING (M27426-8116A) BREAKING ALLOWING MOVEMENT OF THE SHAFT TO OCCUR. PRIOR
- [SDR 20010111SG010](https://openairdocs.org/sdr/20010111SG010.md): Blade · failed · Aug 4, 2000 · N59HJ · Lear 55LEAR · Turbine Engine Compressor Section
  > DURING LANDING ROLL-OUT, DURING REPOSITION, CREW NOTICED ENGINE VIBRATION. SHUT DOWN ENGINE DURING TAXI. TEAR DOWN DETERMINED 1ST STAGE LPT BLADE FAILURE. (M)
- [SDR 97ZZZX2628](https://openairdocs.org/sdr/97ZZZX2628.md): Apr System · malfunction · Feb 27, 1997 · N646G · Lear 55LEAR · Fuel Controlling System
  > AUXILIARY PERFORMANCE RESERVE (APR). WHEN SYSTEM IS 'ARMED' SYSTEM GOES STRAIGHT TO 'ON' WHEN N2'S ARE MATCHED.

## 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 = 'TFE7313A'
ORDER BY difficulty_date DESC
```

This list as a web page: https://openairdocs.org/engine/garrett-tfe731-3a/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.