# Service difficulty reports: Garrett TFE731-4R

A list on [Garrett TFE731-4R](https://openairdocs.org/engine/garrett-tfe731-4r.md).

Newest first. General aviation reporting is voluntary.

- [SDR 2024F00161](https://openairdocs.org/sdr/2024F00161.md): Pump · failed · Jun 27, 2024 · N902F · Cessna 650 · Engine Fuel and Control
  > FROM KSAT TO MYNN WHEN WE EXPERIENCED AN ENGINE FAILURE IN FLIGHT. AT FLIGHT LEVEL 390 APPROXIMATELY 100 MILES WEST OF THE SOUTHERN COAST OF FLORIDA, THE LEFT (#1) ENGINE ROLLED BACK QUITE ABRUPTLY IN FLIGHT. WE DECLARED AN EMERGENCY DUE TO THE LOSS OF THRUS
- [SDR CA190617027](https://openairdocs.org/sdr/CA190617027.md): Duct · damaged · Jun 13, 2019 · Israel ASTRASPX · Turbine Engine Bypass Section
  > (CAN) DURING ROUTINE INSPECTION, NOTICED THAT THERE WAS SOME DAMAGE ON LH ENGINE ON THE OUTER BYPASS DUCT JUST AFT OF THE IGNITION BOX. BORESCOPED THE ENGINE AND ENGINE RUNS CARRIED OUT FOR VIBE CHECK WHICH INDICATED A SERVICEABLE ENGINE. REMOVED THE ENGINE FR
- [SDR SFOA20160308002](https://openairdocs.org/sdr/SFOA20160308002.md): Fastener · missing · Mar 4, 2016 · N77SF · Cessna 650 · Turbine Engine Accessory Drive
  > UPON DECENT FROM CRUISE A SHUDDER WAS DETECTED WHEN THE POWER LEVERS WERE RETARDED. FLIGHT CREW WAS ABLE TO DETERMINE IT WAS THE RT ENG CAUSING THE SHUDDER. ALL ENG PARAMETERS WERE NORMAL, AS SAFE LANDING WAS MADE. INVESTIGATION RESULTED IN THE DISCOVERY OF
- [SDR WAIA2014021800073](https://openairdocs.org/sdr/WAIA2014021800073.md): Switch · intermittent · Feb 10, 2014 · N287MC · Cessna 650 · Engine Thrust Reverser
  > DURING LANDING & DEPLOYING THRUST REVERSERS, CREW DID NOT RECEIVE LT THRUST REVERSER LIGHT SHOWING AS BEING DEPLOYED. TROUBLESHOT THE DISCREPANCY TO AN INTERMITTENT THRUST REVERSER DEPLOY SWITCH. INSTALLED NEW SWITCH; OPS CHECK WAS GOOD. ACFT WAS THEN RETUR
- [SDR 2013FA0000630](https://openairdocs.org/sdr/2013FA0000630.md): Resolver · failed · Nov 1, 2013 · N43FC · Cessna 650 · Trailing Edge Flap Control System
  > CREW PERFORMED "PRIOR TO TAXI" CHECKLIST AND DISCOVERED FLAPS WERE STUCK BETWEEN 15 - 20 DEGREES. SHUTDOWN ACFT. MAINTENANCE TROUBLESHOT DISCREPANCY TO A DEFECTIVE LT FLAP CONTROL POSITION RESOLVER. ABLE TO DRIVE THE FLAPS ALL THE WAY UP TO 0 DEGREES USING T
- [SDR CA131021023](https://openairdocs.org/sdr/CA131021023.md): Drive Shaft · worn · Oct 17, 2013 · Gulstm G100 · Leading Edge Slat Control System
  > (CAN) FLEX DRIVE CABLE HEX END WORN, DRIVE SLIPPED IN ACTUATOR CAUSING A SLAT SYSTEM IMBALANCE. THE SLAT ACTUATOR AND THE FLEX DRIVE CABLE BOTH REPLACED DUE TO EXCESSIVE WEAR.
- [SDR WAIA2013F00037](https://openairdocs.org/sdr/WAIA2013F00037.md): Exciter · defective · Jan 4, 2013 · N287MC · Cessna 650 · Exciter
  > WHILE AIRCRAFT WAS STATIONED FOR A FEW DAYS, THE CREW ATTEMPTED TO START THE NR 2 ENGINE. AFTER SEVERAL FAILED ATTEMPTS, MX WAS NOTIFIED AND TROUBLESHOT TO A DEFECTIVE EXCITER BOX. INSTALLED AN INSPECTED EXCITER BOX AND PERFORMED A NORMAL ENGINE START ON NR
- [SDR 2012F00253](https://openairdocs.org/sdr/2012F00253.md): Pump · leaking · Nov 6, 2012 · N287MC · Cessna 650 · Turbine Engine Oil System
  > FLIGHT CREW REPORTED THAT DURING LANDING FLARE, AS POWER IS BROUGHT TO IDLE, THE RT ENGINE OIL PRESSURE LIGHT ILLUMINATED AND OIL PRESSURE DROPPED BELOW 25 PSI, GRADUALLY ROSE TO 30 PSI. PERFORMED AN OPS CHECK IAW ENGINE MANUAL AND WAS ABLE TO DUPLICATE THE
- [SDR 2012FA0000285](https://openairdocs.org/sdr/2012FA0000285.md): Starter Gen · defective · May 2, 2012 · N808VA · Cessna 650 · Starter-Generator
  > ENGINE VIBRATION, NO OTHER INDICATION. PILOTS DIVERTED FOR SERVICE. STARTER GENERATOR FOUND DEFECTIVE 157 HRS PRIOR RECOMMENDED OVERHAUL.
- [SDR CA111123010](https://openairdocs.org/sdr/CA111123010.md): Current Limiter · overheated · Nov 21, 2011 · Gulstm G100 · APU Start/Ignition System
  > (CAN) SCHEDULED A CHECK INSPECTION, DURING A VISUAL INSPECTION OF THE LT DC CONTACTOR PANEL SIGNS OF OVERHEATING WERE OBSERVED ON THE OUTGOING TERMINAL & WIRE OF CURRENT LIMITER, PN ANL300. THIS CURRENT LIMITER IS FOR THE APU STARTER GENERATOR CIRCUIT & IS PA
- [SDR 2011FA0000218](https://openairdocs.org/sdr/2011FA0000218.md): Shutoff Valve · failed · Mar 23, 2011 · N928ST · Gulstm G150 · Hydraulic Reservoir, Main
  > ACFT DEPARTED AT APPROX 1630 ZULU WITH AN INTENDED DESTINATION. WHILE AT CRUISE ALTITUDE RECEIVED AN EICAS MESSAGE INDICATING THE LOSS OF RT HYD PRESSURE. ACFT ELECTED TO DIVERT, AND DURING DESCENT AT ABOUT 30 MINUTES FROM DESTINATION AN ADDITIONAL EICAS MES
- [SDR CA110228012](https://openairdocs.org/sdr/CA110228012.md): Tire · bulged · Feb 27, 2011 · Cessna 650 · Tire
  > (CAN) NR 4 MAIN WHEEL TIRE BULGED DISCOVERED ON POST FLIGHT WALK AROUND.
- [SDR 2009FA0000926](https://openairdocs.org/sdr/2009FA0000926.md): Blade · separated · Aug 6, 2009 · N28TX · Cessna 650 · Turbine Section
  > ON AUG 6, 2009 AT 6:45 AM, DURING TAKEOFF, THE NR 2 ENGINE FAILED WITH A REPORTED "LOUD SHARP BANG" RESULTING IN THE ACFT`S "YAWING". THERE WERE NO INDICATIONS OF FIRE/SMOKE, HOWEVER, AN EMERGENCY WAS DECLARED AND ACFT RETURNED TO DEPARTURE AIRPORT AND LANDED
- [SDR 2008FA0000572](https://openairdocs.org/sdr/2008FA0000572.md): Actuator · leaking · Aug 18, 2008 · N5950C · Gulstm G159 · Landing Gear Actuator
  > RT MLG SIDE BRACE ACTUATOR LEAKING FROM SWITCH ASSY. SIDE BRACE ACTUATOR REMOVED, REPLACED WITH REPAIRED ACTUATOR ASSY.
- [SDR DXTA200702072](https://openairdocs.org/sdr/DXTA200702072.md): Engine · malfunctioned · Apr 3, 2007 · N713QS · Cessna 650 · Engine (Turbine/Turboprop)
  > LEFT ENG ROLLED BACK TO 91% N1 ON T/O ROLL (APROX 80 KNOTS). T/O ABORTED. INSP EEC FOR FAULTS NONE NOTED. RAN A/C AT ALL POWER SETTINGS IN AUTO & MANUAL MODES. NO ROLL BACK NOTED SYSTEM OP'S CHECKS SATISFACTORY AT THIS TIME ALL WORK DONE IAW CE 650 M/M 76-10-0
- [SDR DXTA200702018](https://openairdocs.org/sdr/DXTA200702018.md): Switch · out of adjust · Mar 13, 2007 · N715QS · Cessna 650 · Landing Gear Retraction/Extension System
  > LANDING GEAR WOULD NOT RETRACT. AFTER TAKEOFF. GEAR HANDLE WOULD NOT MOVE. TROUBLESHOT TO NOSE CENTERING SWITCH OUT OF ADJUSTMENT. ADJUSTED SWITCH IAW 650 MM 32-60-00. OPS CHECK GOOD IAW SAME.
- [SDR DXTA200702000](https://openairdocs.org/sdr/DXTA200702000.md): Strut · underserviced · Mar 5, 2007 · N715QS · Cessna 650 · Main Landing Gear Strut/Axle/Truck
  > LANDING GEAR WOULD NOT RETRACT (HANDLE WOULD NOT COME UP) AFTER TAKEOFF. TROUBLESHOT NOSE LANDING GEAR - FOUND NOSE STRUT NOT FULLY SERVICED - SERVICED STRUT WITH FLUID AND NITROGEN IAW CESSNA M/M 12-10-38 FUNCTIONALLY TESTED GEAR - NO DEFECTS NOTED AT THIS TI
- [SDR DXTA200701975](https://openairdocs.org/sdr/DXTA200701975.md): Unknown · smoke · Feb 28, 2007 · N795QS · Cessna 650 · Air Distribution System
  > DISTINCT SMELL OF ELECTRICAL SMOKE IN CABIN AND COCKPIT AND A NOTICEABLE HAZE OF SMOKE VISIBLE. OPERATED GROUND TEST APU TWICE FOR APPROX 20-25 MIN IAW 650 MM 49-10-00. NO NOTICEABLE SIGNS OF SMOKE IN CABIN. RAN CABIN TEMP TO FULL HOT AND COLD. BITE CHECKED
- [SDR DXTA200701933](https://openairdocs.org/sdr/DXTA200701933.md): Wire · broken · Feb 13, 2007 · N791QS · Cessna 650 · Fire Protection System Wiring
  > RT ENGINE FIRE DETECT ANUNCIATOR ILLUMINATED AFTER COCKPIT PREP WAS COMPLETED. T/S TO BROKEN RT FIRE LOOP ON ENG. REMOVED & REPLACED FIRE LOOP. BLEED T/R'S, SYSTEM OP'S CHECKS SATISFACTORY AT THIS TIME. ALL WORK DONE IAW CE 650 M/M 26-10-01
- [SDR DXTA200701851](https://openairdocs.org/sdr/DXTA200701851.md): Maxaret · inoperative · Jan 11, 2007 · N805QS · Raythn HAWKER800XP · Landing Gear Brake System
  > WHEN BRAKING, NOTHING HAPPENS UNTIL PRESSURE GAUGE READS 200PSI THEN BRAKES GRAB HARD. THIRD WRITEUP. RECEIVED OH MAXARET P/N AC65216 S/N 58268 & NEW MAXARET P/N AC65218 THROUGH NJA SUPPLY. REMOVED AND REPLACED EXISTING MAXARET NR 1 P/N AC65218 S/N 022CJ, NR
- [SDR DXTA200701837](https://openairdocs.org/sdr/DXTA200701837.md): Unknown · unknown · Jan 4, 2007 · N715QS · Cessna 650 · Auto Flight System
  > AIRCRAFT EXPERIENCED UNCOMMANDED HARD LT YAW CAUSED BY YAW DAMPER. OPERATION CHECK OF A AND B YAW DAMPER SYSTEMS GOOD, SPZ-8000 DIAG. TEST GOOD. RUDDER SERVO OPERATION CHECK GOOD, FLIGHT GUIDANCE, FGC'S, AND AHRS SYSTEMS CHECK GOOD IAW MFG SPZ-8000 AFCD MM SEC
- [SDR DXTA200601777](https://openairdocs.org/sdr/DXTA200601777.md): Control Module · inoperative · Dec 3, 2006 · N715QS · Cessna 650 · Landing Gear Selector
  > GEAR WOULD NOT RETRACT AFTER TAKE OFF, GEAR HANDLE STUCK IN THE DOWN POSITION. RETURNED TO AIRPORT. REMOVED AND REPLACED LANDING GEAR CONTROL IAW CE 650 M/M CHP 32-30-01, OPS CHECKED AND CYCLED X 10. CHECKS GOOD
- [SDR 2005FA0001456](https://openairdocs.org/sdr/2005FA0001456.md): Turbine · failed · Sep 9, 2005 · N175DP · Cessna 650 · Turbine Section
  > AIRCRAFT WAS LEVEL AT 38,000 FT AND THE CREW REPORTED THEY HEARD AN AUDIBLE THUD. UPON SCANNING THE COCKPIT INSTRUMENTS THE LT ENGINE WAS OBSERVED TO BE SHUTTING DOWN NON-COMMANDED. AIRCRAFT LANDED WITHOUT INCIDENT. INITIAL INSPECTION REVEALED THE LT ENGINE
- [SDR DXTA200500914](https://openairdocs.org/sdr/DXTA200500914.md): O-Ring · leaking · Aug 22, 2005 · N792QS · Cessna 650 · Landing Gear Actuator
  > GEAR WOULD NOT RETRACT AFTER TAKEOFF. JACKED AIRCRAFT AND CYCLED LANDING GEAR. FOUND HYDRAULIC FITTING AT NOSE GEAR ACTUATOR LEAKING EXCESSIVELY. REPLACED O-RING AT NOSE GEAR ACTUATOR RETRACT PORT FITTING AND COMPLIED WITH GEAR SWING FUNCTIONAL TESTS IAW MFG
- [SDR DXTA200500912](https://openairdocs.org/sdr/DXTA200500912.md): Target · out of adjust · Aug 18, 2005 · N797QS · Cessna 650 · Landing Gear Position and Warning
  > LANDING GEAR UNLOCK ANNUNCIATOR REMAINED ILLUMINATED AFTER GEAR RETRACTION. VERIFIED SQUAWK, DETERMINED LDG GEAR UPLOCK SWITCH TARGET ON RT MAIN WAS OUT OF ADJUSTMENT. ADJUSTED TARGET TO CONTACT SWITCH. OPERATIONAL CHECK OF GEAR WAS COMPLETED SATSFACTORY.
- [SDR DXTA200500584](https://openairdocs.org/sdr/DXTA200500584.md): Filter Element · clogged · Feb 10, 2005 · N797QS · Cessna 650 · Engine Fuel and Control
  > AFTER TWO NORMAL ENGINE STARTS AND WHILE THE ENGINES WERE RUNNING, BEFORE TAXI CHECKS THE NUMBER 1 ENGINE FLAMED OUT. CHECKED AND CONFIRMED RIGGING OK, CHECKED FILTER BOWL AND FILTER, NO SIGNS OF WATER OR CONTAMINENTS, NO FAULTS ON DEEC'S, OPS CHECKS OF ENGS
- [SDR DXTA200500573](https://openairdocs.org/sdr/DXTA200500573.md): Seal · leaking · Feb 2, 2005 · N797QS · Cessna 650 · Turbine Engine Oil System
  > LEFT ENGINE OIL PRESS LOW ANNUNCIATOR CAME ON DURING DESCENT. OIL PRESSURE GAUGE WAS FLUCTUATING BETWEEN 25 - 40 PSI. AFTER LANDING, ENGINE HAD NO OIL LEFT IN IT. ENG INSPECTED & RESERVICED WITH OIL & CHECKED CHIP DETECTOR ALL GROUND RUN NO DEFECTS, ALL GEAR
- [SDR DXTA200400400](https://openairdocs.org/sdr/DXTA200400400.md): Converter · defective · Sep 19, 2004 · N789QS · Cessna 650 · Trailing Edge Flap Control System
  > FLAPS INOPERATIVE ANNUNCIATOR ILLUMINATED AFTER TAKEOFF WITH FLAPS INDICATING UP, FLAP WOULD NOT RESET. DURING LANDING APPROACH FLAPS WOULD RESET AND OPERATE BUT FLAPS INOP ANNUNCIATOR REMAINS ILLUMINATED ON THE GROUND. TROUBLESHOT SYSTEM TO DEFECTIVE FLAP RE
- [SDR CA040430002](https://openairdocs.org/sdr/CA040430002.md): Pump · failed · Apr 25, 2004 · Israel ASTRASPX · Engine Fuel Pump
  > (CAN) RT ENGINE FUEL FILTER BY-PASS LIGHT FLICKERING AT TAKE-OFF CLIMB POWER SETTINGS. AIRCRAFT RETURN TO MAINTENANCE BASE, MAINTENANCE TECHNICIAN FOUND FUEL FILTER CONTAMINATED BY A LOTS OF FINE GREY SEDIMENT. IT WAS DETERMINED THAT THE ENGINE DRIVEN MOTIVE F
- [SDR AUS20040029](https://openairdocs.org/sdr/AUS20040029.md): Planetary Gear · vibrates · Jan 19, 2004 · Israel ASTRASPX · Turbine Engine Reduction Gear
  > (AUS) RT ENGINE VIBRATION. INVESTIGATION FOUND THE VIBRATION CAME FROM THE PLANETARY GEARSET.
- [SDR 2003FA0000444](https://openairdocs.org/sdr/2003FA0000444.md): Shroud · failed · Apr 24, 2003 · Turbine Engine Compressor Section
  > IN-FLIGHT SHUTDOWN. SUSPECT 2ND STAGE LPC ROTOR SHROUD FAILED FROM INITIAL INSPECTION RESULTS. DESTROYED LPC, HPC, HPT, AND LPT.
- [SDR 2002FA0001231](https://openairdocs.org/sdr/2002FA0001231.md): Line · chafed · Oct 25, 2002 · Cessna 650 · Passenger/Crew Doors
  > PILOT CLOSED MAIN CABIN DOOR. UPON LOCKING DOOR CREW HEARD HISSING NOISE FROM DOOR AND DOOR SEAL WOULD NOT INFLATE. INSPECTION BY MAINTENANCE DISCOVERED LINE HAD BEEN CHAFED THROUGH BY A FLIGHT CONTROL CABLE. LINE IS FOR MAIN ENTRANCE DOOR SEAL INFLATION.
- [SDR 20010529CW013](https://openairdocs.org/sdr/20010529CW013.md): Fuel Control · malfunctioned · Apr 16, 2001 · N50EJ · Cessna 650 · Fuel Control/Turbine Engines
  > ENGINE LOST POWER IN FLIGHT. PILOT REPORTED THAT FUEL FLOW WAS ERRATIC AND THAT NR 1 BECAME LIMITED TO 40 PERCENT. WHEN TROUBLESHOT, THE FAULT WAS TRACED TO THE FUNCTION OF THE FUEL CONTROL UNIT. A REPLACEMENT FUEL CONTROL UNIT WAS INSTALLED AND THE DEFECTI
- [SDR 99ZZZX3832](https://openairdocs.org/sdr/99ZZZX3832.md): Blade · dented · Sep 28, 1999 · Turbine Section
  > DURING POST-FLIGHT INSPECTION, DISCOVERED THIRD STAGE LPT HAD ONE EACH BLADE SHROUD BROKEN AND SEVERAL BLADES DENTED. FIRST AND SECOND STAGE LPT'S HAVE DAMAGED BLADES ALSO. ENG TSN: 1,578 HOURS. CSN: 1,274.
- [SDR 99ZZZX2911](https://openairdocs.org/sdr/99ZZZX2911.md): Indicator · malfunctioned · Jul 12, 1999 · N275RA · Israel ASTRASPX · Engine Fuel Indicating System
  > PILOTS OBSERVED A 'FUEL FILTER BYPASS' INDICATION. FUEL FILTERS WERE CHANGED. INDICATION WAS STILL THERE. CHANGED LEFT ENGINE FUEL DIFFERENTIAL PRESSURE INDICATOR. PROBLEM FIXED.
- [SDR 99ZZZX2262](https://openairdocs.org/sdr/99ZZZX2262.md): Line · chafed · May 19, 1999 · N795QS · Cessna 650 · Engine Fuel Distribution
  > FUEL LINE IS CHAFING ON WIRING HARNESS THAT RUNS JUST AFT OF THE TRANSFER GEARBOX ON BOTH ENGINES. INSTALL SPIRAL WRAP AROUND FUEL LINE OR SEPARATE WIRES AND LINE WITH ADEL CLAMPS.

## 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 = 'TFE7314R'
ORDER BY difficulty_date DESC
```

This list as a web page: https://openairdocs.org/engine/garrett-tfe731-4r/reports

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