# Service difficulty reports: Alliedsign TFE731-40

A list on [Alliedsign TFE731-40](https://openairdocs.org/engine/alliedsign-tfe731-40.md).

Newest first. General aviation reporting is voluntary.

Page 1 of 2 · 85 reports

- [SDR FVJA202505287730](https://openairdocs.org/sdr/FVJA202505287730.md): Pump · faulted · May 20, 2025 · N600LY · Amd FALCON50MYST · Turbine Engine Oil System
  > ENGINE OIL PRESSURE CLIMBED INTO RED ZONE ON INDICATOR AND WOULD NOT RESPOND TO THROTTLE CHANGES. PAX REPORTED EVIDENCE OF SMOKE IN THE CABIN. CREW SHUT DOWN ENGINE AND DIVERTED TO KACY. WE SUSPECT OIL PUMP MAY BE THE CULPRIT FOR HIGH OIL PRESSURE.
- [SDR 2020FA0000521](https://openairdocs.org/sdr/2020FA0000521.md): Oil System · malfunctioned · Nov 2, 2020 · N616KK · Lear 45LEAR · Turbine Engine Oil System
  > WE HAD TO MANUALLY SHUT THE LEFT ENGINE DOWN TO 616KK. ON DECENT THROUGH THE MID 30'S, WE BEGAN TO EXPERIENCE A LEFT ENGINE PRESSURE SWING VARYING BETWEEN OVER 100 PSI TO AS LOW AS 20PSI. AT THIS TIME, WE ELECTED TO REDUCE THE POWER ON THE LEFT ENGINE TO SEE
- [SDR BONA20201002001](https://openairdocs.org/sdr/BONA20201002001.md): Fire Loop · false indication · Sep 29, 2020 · N816FG · Lear 45LEAR · Fire Detection
  > DURING CLIMBOUT AT APPROXIMATELY 42,000 FEET, CREW OBSERVED A LT ENGINE FIRE WARNING. THEY REDUCED POWER ON THE AFFECTED ENGINE AND THE WARNING CLEARED WITHOUT ANY FURTHER ACTION. CREW ELECTED TO RETURN TO BASE AND LANDED WITHOUT INCIDENT. AFTER LANDING, MA
- [SDR CA151208006](https://openairdocs.org/sdr/CA151208006.md): Pump · leaking · Dec 4, 2015 · Gulstm G100 · Hydraulic Pump (Electric/Engine), Main
  > (CAN) LOSS OF MAIN HYDRAULIC SYSTEM PRESSURE. NEITHER ENGINE DRIVEN PUMP WERE ABLE TO MAINTAIN SYSTEM PRESSURE. UPON INSPECTION, FOUND BOTH PUMPS TO HAVE LEAKAGE AT SHAFT SEAL CASE DRAINS.
- [SDR CA150924006](https://openairdocs.org/sdr/CA150924006.md): Lever · unsecure · Sep 24, 2015 · Lear 45LEAR · Drag Control System
  > (CAN) A SPECIAL INSPECTION OF THE SPOILER RVDT ADJUSTABLE LEVER ASS`Y WAS CARRIED ON AIRCRAFT 45-467. THIS INSPECTION REVEALED NO SAFETY WIRE WAS INSTALLED ON THE TWO JAMNUTS ON THE LH SPOILER RVDT ADJUSTABLE LEVER ASS`Y. THE JAMNUTS WERE STILL TIGHT AND THE
- [SDR JGVR20150217001](https://openairdocs.org/sdr/JGVR20150217001.md): Gasket · failed · Feb 17, 2015 · N636SF · Gulstm G150 · Engine Bleed Air System
  > DURING ENGINE REMOVAL FOR MPI, FOUND THE NR 2 ENGINE HP BLEED AIR DUCT ASSY 90 DEGREE CONNECTION, WITH A BLOWN OUT GASKET AND THE LEAKING BLEED AIR MELTED A PORTION THE FAN BYPASS DUCT. SB 150-71-154, POWERPLANT - ENGINE HIGH PRESSURE (HP) AIR DUCT ASSY, SBJ1
- [SDR CA130823010](https://openairdocs.org/sdr/CA130823010.md): Shroud · misinstalled · Aug 21, 2013 · Israel ASTRASPX · APU Exhaust System
  > (CAN) DURING MAINTENANCE PERFORMING AN APU REMOVAL, THE APU EXHAUST STUB WAS FOUND INCORRECTLY INSTALLED. THIS LEAD TO HOT EXHAUST ON THE FRAME AT BS 492.75 ON THE RT SIDE OF THE ACFT AND CARBON DEPOSITS EVIDENT THROUGHOUT THE TAILCONE, HORIZ/VERT STABILIZERS
- [SDR CA130221004](https://openairdocs.org/sdr/CA130221004.md): Apu · shutdown · Feb 14, 2013 · Gulstm G100 · APU Core Engine
  > (CAN) PILOT HAD UN-COMMANDED SHUTDOWN OF APU ON THE GROUND. APU WOULD NOT RESTART AFTER. MAINTENANCE DIAGNOSTIC COMPUTER SHOWED HIGH APU OIL TEMPERATURE. INSPECTED APU OIL TEMPERATURE SENDER FOUND OK. FOUND OIL FILTER BYPASS INDICATION PIN EXTENDED. REMOVE
- [SDR CA130121013](https://openairdocs.org/sdr/CA130121013.md): Exciter · failed · Jan 18, 2013 · Gulstm G100 · Exciter
  > (CAN) ENGINE DEEC DOWNLOAD C/O. FOUND "IGN B FAULT" CHANNEL B OF IGNITION EXCITER FAILED.
- [SDR CA130110002](https://openairdocs.org/sdr/CA130110002.md): Frame · burned · Dec 31, 2012 · Israel ASTRASPX · Fuselage Main, Structure
  > (CAN) GROUND CABLE FOR GPU PLUG ARCED OUT AT ANCHOR NUT BURNING FRAME UNDER ANCHOR NUT AND CAUSED RIVETS TO COME LOOSE. GPU PLUG FAILED INTERMITTENTLY CAUSING FURTHER INVESTIGATION TO FIND CAUSE. REPAIRED 2013/01/10 ADDITIONAL INFORMATION CAN BE FOUND IN RDI
- [SDR CA121231003](https://openairdocs.org/sdr/CA121231003.md): Relay · defective · Dec 14, 2012 · Gulstm G100 · Flight Control System
  > (CAN) PRIMARY PITCH TRIM FAILED TO TRIM NOSE UP, RELAY 72C FOUND DEFECTIVE AND REPLACED.
- [SDR CA121121003](https://openairdocs.org/sdr/CA121121003.md): Bottle · failed · Nov 21, 2012 · Israel ASTRASPX · Landing Gear Retraction/Extension System
  > (CAN) DURING ROUTINE DI, NOTICED EMERGENCY BLOW DOWN BOTTLE WAS INDICATING ZERO. INVESTIGATION REVEALED BOTTLE HAD FAILED AT CONNECTION MANIFOLD ASSY. BOTTLE CONTAINS 3000 PSI NITROGEN.
- [SDR CA121004001](https://openairdocs.org/sdr/CA121004001.md): Transducer · weak · Aug 28, 2012 · Gulstm G100 · Fuel Controlling System
  > (CAN) N2 TRANSDUCER SIGNAL WAS WEAK, OUT OF LIMITS THIS CAUSED THE DEEC TO REDUCE FUEL FLOW. REPLACEMENT OF N2 TRANSDUCER CORRECTED ISSSUE.
- [SDR CA120503006](https://openairdocs.org/sdr/CA120503006.md): Actuator · leaking · Apr 17, 2012 · Gulstm GULFSTREAMGV · Landing Gear Actuator
  > (CAN) NOTICED HYDRAULIC FLUID LEAKING FROM SINTERED PLUG AT END OF ACTUATOR. REPLACED ACTUATOR WITH REPAIRED UNIT.
- [SDR CA120221010](https://openairdocs.org/sdr/CA120221010.md): Starter Gen · overheated · Feb 19, 2012 · Gulstm GULFSTREAMGV · Starter-Generator
  > (CAN) GENERATOR OVERHEAT INDICATION IN COCKPIT. CREW SHUTOFF GENERATOR. POST FLIGHT INDICATION OF GENERATOR BEARING FAILURE.
- [SDR PJEA2011F00000](https://openairdocs.org/sdr/PJEA2011F00000.md): Windshield · cracked · Nov 7, 2011 · N108CG · Israel ASTRASPX · Flight Compartment Windows
  > UPON LANDING, AFTER AN UNEVENTFUL.8 HR NIGHT FLIGHT. PILOTS REPORTED THAT THE RT WINDSHIELD WAS CRACKED HALF WAY AROUND. AFTER FURTHER INVESTIGATION IT WAS DETERMINED THAT THE CRACK WAS LIMITED TO THE OUTER PAIN. A SPECIAL FLIGHT PERMIT WAS OBTAINED AND TH
- [SDR BKEA2012F00005](https://openairdocs.org/sdr/BKEA2012F00005.md): Drive Unit · inoperative · Nov 2, 2011 · N787BN · Gulstm G150 · Trailing Edge Flap Control System
  > FLAPS WOULD NOT RETRACT AFTER TAKEOFF. AIRCRAFT DIVERTED FOR MAINTENANCE. FOUND DRIVE UNIT INOPERATIVE.
- [SDR 2011FA0000682](https://openairdocs.org/sdr/2011FA0000682.md): Selector Valve · failed · Oct 12, 2011 · N480JJ · Gulstm G150 · Engine Thrust Reverser
  > CREW WAS PERFORMING NIGHT PROFICIENCY FLIGHT. UPON 1ST LANDING, AIRCRAFT TAXIED AROUND FOR SECOND TAKEOFF. ON POWER UP FOR TAKEOFF ROLL, THE RIGHT ENGINE THRUST REVERSER HAD AN UNCOMMANDED DEPLOYMENT. CREW ABORTED TAKEOFF. RIGHT REVERSER WOULD NOT STOW. A
- [SDR CA111004008](https://openairdocs.org/sdr/CA111004008.md): Igniter · cracked · Oct 1, 2011 · Gulstm G100 · APU Start/Ignition System
  > (CAN) APU IGNITER PLUG, WAS FOUND CRACKED ON THE END SHELL BETWEEN THE TIP AND THREADED PORTION. THE DEFECT WAS DISCOVERED DURING THE SCHEDULED MX CHECK OF THE APU IGNITER AND WAS REPLACED.
- [SDR CA111003008](https://openairdocs.org/sdr/CA111003008.md): Plug · sheared · Sep 26, 2011 · Gulstm G100 · Hydraulic Reservoir, Main
  > (CAN) MAIN HYD TANK DRAIN PLUG SHEARED/SEPARATED AT O-RING GROVE THREADS REMAINED IN TANK AND PLUG HEAD FELL OFF. PLUG IS DRILLED FOR A MAGNET SO THREADED PORTION IS HOLLOW.
- [SDR CA110822015](https://openairdocs.org/sdr/CA110822015.md): Seal · failed · Aug 5, 2011 · Gulstm G150 · Hydraulic Pump (Electric/Engine), Main
  > (CAN) DURING TAXI, CREW NOTICED CAVITATING SOUND FOLLOWED VERY SHORTLY AFTER BY A LT & RT HYD LOW PRESSURES LIGHTS ILLUMINATING. THE LOW MAIN HYD RESERVOIR LIGHT HAD LIKELY ILLUMINATED NEAR THE SAME TIME. THE CREW BROUGHT THE ACFT TO A STOP USING AUXILLARY
- [SDR CA110822016](https://openairdocs.org/sdr/CA110822016.md): Clamp · loose · Jul 31, 2011 · Gulstm G100 · Cabin Pressure Control System
  > (CAN) DURING CLIMB ALL PRESSURIZATION SEEMED NORMAL AND AT THE 18,000 CHECK SCHEDULING WAS NORMAL. AT 32,000 FT THE CREW GOT A CABIN ALTITUDE WARNING AND THE OXYGEN MASKS DEPLOYED. THE CREW DECENDED THE ACFT AND RETURNED TO DEPARTURE. THE CREW NOTICED SOME
- [SDR CA110913005](https://openairdocs.org/sdr/CA110913005.md): Gps · failed · Jul 8, 2011 · Gulstm G100 · Global Positioning System
  > (CAN) CREW NOTICED THAT THE GPS TIME/DATE STAMP HAD RESET ITSELF TO THE ORIGINAL 1992 ALGORITHM. ONCE ACFT WOW: WENT "BLACK" ACFT, PULLED BOTH GPS C/B`S, POWERED ACFT, INITIALIZED TIME/DATE STAMP IN FMS`S, RESET GPS C/B`S. WHEN GPS`S INITIALIZED THEY WENT THR
- [SDR CA110913006](https://openairdocs.org/sdr/CA110913006.md): Gps · failed · Jul 8, 2011 · Gulstm G100 · Global Positioning System
  > (CAN) CREW NOTICED THAT THE GPS TIME/DATE STAMP HAD RESET ITSELF TO THE ORIGINAL 1992 ALGORITHM. ONCE AIRCRAFT W.O.W: WENT "BLACK" AIRCRAFT, PULLED BOTH GPS C/B`S, POWERED A/C, INITIALIZED TIME/DATE STAMP IN FMS`S, RESET GPS C/B`S. WHEN GPS`S INITIALIZED THEY
- [SDR CA110913007](https://openairdocs.org/sdr/CA110913007.md): Circuit Card · failed · Jul 8, 2011 · Gulstm G100 · Navigation System
  > (CAN) CREW NOTICED THAT THE GPS TIME/DATE STAMP HAD RESET ITSELF TO THE ORIGINAL 1992 ALGORITHM. ONCE ACFT WOW: WENT "BLACK" ACFT, PULLED BOTH GPS C/B`S, POWERED ACFT, INITIALIZED TIME/DATE STAMP IN FMS`S, RESET GPS C/B`S. WHEN GPS`S INITIALIZED THEY WENT THR
- [SDR 2011FA0000229](https://openairdocs.org/sdr/2011FA0000229.md): Starter Gen · vibration · Mar 6, 2011 · N769MS · Gulstm G150 · Starter-Generator
  > STARTER GENERATOR DEVELOPED VIBRATIONS IN FLIGHT. STARTER GEN CONTINUED TO WORK. AFTER REMOVAL, AT FIRST LOOK IT SEEMED THAT BEARING HAD DETERIORATED. MFG TOOK STARTER GENERATOR FOR TEARDOWN.
- [SDR CA101202011](https://openairdocs.org/sdr/CA101202011.md): Bracket · cracked · Dec 2, 2010 · Gulstm G100 · Passenger/Crew Doors
  > FOUND BOTH AIR SPRING UPPER SUPPORT BRACKETS ON AIR STAIR DOOR CRACKED DURING A C-CHECK. ALTHOUGH NOT A SAFETY OF FLIGHT ISSUE, THIS IS THE SECOND OF OUR ACFT TO HAVE THIS BRACKET FAIL. HAD 1 FAIL IN THE SUMMER OF 2010, WHICH WE FEEL DID NOT WARRANT AN SDR,
- [SDR A8JA0006](https://openairdocs.org/sdr/A8JA0006.md): Fire Detector · defective · Jul 16, 2010 · N722SW · Gulstm G150 · Fire Detection
  > AFTER RECEIVING TAKEOFF CLEARANCE, THE CREW POSITIONED THE ACFT FOR TAKEOFF AND INITIATED THE APU SHUTDOWN SEQUENCE IAW THE TAKEOFF CHECKLIST. UPON REACHING TAKEOFF POSITION, THE CREW OBSERVED AN "APU FIRE" MASTER CAUTION AND A TRIPLE CHIME. THE CREW EXITED
- [SDR 2010FA0000579](https://openairdocs.org/sdr/2010FA0000579.md): Hydraulic System · fluid loss · Jun 16, 2010 · Gulstm G150 · Hydraulic System, Main
  > LOSS OF MAIN HYD SYSTEM FLUID AND LT GEN.
- [SDR 2010FA0000627](https://openairdocs.org/sdr/2010FA0000627.md): Windshield · cracked · Jun 14, 2010 · Gulstm G100 · Flight Compartment Windows
  > RT WINDSHIELD OUTSIDE CRACK FOUND WHEN ACFT DESCENT FROM FL430 TO FL250,AND THEN TURNOFF THE WINDSHIELD HEATER, NO-PERSSURE LOSS, AND SAFE LANDING BACK HOME.THE SIGN SHOWS AND DOES NOT STRIKE AS THE SUFFERING EXTERNAL FORCE.
- [SDR CA100614007](https://openairdocs.org/sdr/CA100614007.md): Retainer · broken · Jun 11, 2010 · Gulstm G100 · Turbine Engine Oil System
  > DURING POST FLIGHT INSP, FOUND BROKEN TAB RETAINER IN LOWER COWLING. FURTHER INVESTIGATION REVEALED THE TAB WAS FROM THE OIL COOLER SUPPLY LINE HOLD DOWN RETAINER. THE RETAINER IS USED ON OIL LINE, PN 3060997-1. THE SECOND RETAINER WAS ALSO REPLACED AS IT S
- [SDR 2010FA0000632](https://openairdocs.org/sdr/2010FA0000632.md): Brake · worn · May 12, 2010 · N928ST · Gulstm G150 · Landing Gear Brake System
  > NR 1 BRAKE ASSY WORN BEYOND LIMITS AFTER ONLY 19.1 HRS AND 10 CYCLES SINCE O/H UNDER W/O RC1997713.1 DATED 3/22/10. INSTALLED O/H BRAKE ASSY PN 5006575-1, SN MAR03-59, O/H UNDER W.O WP194532/1 DATED APR 13, 2010. OPS CK SATISFACTORY.
- [SDR BKE2010F00000](https://openairdocs.org/sdr/BKE2010F00000.md): Fitting · failed · Apr 16, 2010 · N787BN · Gulstm G150 · Turbine Engine Oil System
  > APPROX 11:30 PST, FLIGHT LEVEL 390, CAPTAIN REPORTED FLUCTUATING OIL PRESSURE, SECURED RT ENGINE AND DIVERTED. DISPATCHED MX CREW TO ACFT, INSP REVEALED OIL PRESSURE FITTING ON THE FWD 4 OCLOCK POSITION VIEWED FWD, HAD PULLED THE THREADS OUT OF THE HSG. THE
- [SDR CA100208001](https://openairdocs.org/sdr/CA100208001.md): Line · cracked · Feb 5, 2010 · Hydraulic System, Main
  > (CAN) THE ACFT WAS ENROUTE WHEN IT EXPERIENCED A LOSS OF NR 1 HYD PUMP, PRESSURE FOLLOWED SHORTLY THEREAFTER BY LOW HYD RESERVOIR AND LOW NR 2 HYD PUMP PRESSURE. THE CREW CARRIED OUT QRH PROCEDURES AND RETURNED TO BASE. THE AUXILIARY HYD PUMP FUNCTIONED PROPER
- [SDR BKEA201001181](https://openairdocs.org/sdr/BKEA201001181.md): Line · unserviceable · Jan 18, 2010 · N787BN · Gulstm G150 · Hydraulic System, Main
  > PILOT REPORTED AT 40K FT, ABOUT 4 HOURS INTO THE FLIGHT BACK, WHEN THEY HAD A VIBRATION. PILOT NOTICED A SPLIT IN THE GENERATORS AND AN INCREASE IN VIBES ON THE RT ENGINE. AFTER A FEW MINUTES THE GENERATORS WENT BACK TO ABOUT A 5 VOLT SPLIT. AFTER ABOUT ANO
- [SDR 2009FA0001043](https://openairdocs.org/sdr/2009FA0001043.md): Starter Gen · failed · Dec 17, 2009 · N749GA · Gulstm G100 · Starter-Generator
  > STARTER GENERATOR FAILED, NO INDICATION OF VOLTAGE PRESENT. PN 23065-018-1, SN 98004. REMOVED AND REPLACED STARTER GENERATOR, SYS OPS CHECK GOOD IAW AMM 24-30-02. ACFT HAD A PREVIOUS FAILURE OF THE HYD SUCTION LINE WHICH HAD RUPTURED. DETAIL REPORT ON THAT P
- [SDR 2009FA0001044](https://openairdocs.org/sdr/2009FA0001044.md): Pump · leaking · Dec 17, 2009 · N149GA · Gulstm G100 · Hydraulic Pump (Electric/Engine), Main
  > DISCOVERED A LARGE AMOUNT OF HYDRAULIC FLUID HAD LEAKED FROM THE RT ENG. FURTHER INVESTIGATION SHOWED A LEAK COMING FROM THE RT HYD PUMP CASE DRAIN INDICATING THAT THE HYD PUMP HAD INTERNALLY FAILED. REMOVED AND REPLACED HYD PUMP, PN 4018301, SN AL212AB IAW
- [SDR CA090501002](https://openairdocs.org/sdr/CA090501002.md): Motor · shorted · Apr 28, 2009 · Trailing Edge Flap Actuator
  > (CAN) ON APPROACH FLAPS WOULD NOT EXTEND PAST 12 INCHES. FLAPS WOULD NOT RETRACT AFTER LANDING. FLAP/SLAT ELECTRONIC CONTROL UNIT HAD LOCKED OUT FLAPS DUE TO POWER DRIVE UNIT OVERHEAT FLAG. POWER DRIVE UNIT MOTOR FOUND SHORTED TO CASE. NEW POWER DRIVE UN
- [SDR CA090225001](https://openairdocs.org/sdr/CA090225001.md): Flex Line · burst · Feb 20, 2009 · Gulstm G100 · Passenger/Crew Doors
  > (CAN) DURING CLIMB OUT THROUGH 1000` THE CREW REPORTED A BANG LIKE A BALLOON POPING. THE "DOOR SEAL" ANNUNCIATOR ILLUMINATED AND THEN THERE WAS AN INCREASE IN AIR NOISE. AFTER LANDING INVESTIGATION REVEALED THAT THE INLET FLEX LINE HAD SPLIT CAUSING THE DOOR S
- [SDR CA090130011](https://openairdocs.org/sdr/CA090130011.md): Actuator · malfunctioned · Jan 23, 2009 · Gulstm GULFSTREAMGV · Landing Gear Actuator
  > AFTER TAKEOFF THE GEAR LANDING GEAR WAS SELECTED UP. ALL 3 "DOWN AND LOCKED" LIGHTS EXTINGUISHED BUT THE "IN TRANSIT" RED LIGHT REMAINED ILLUMINATED AND THE TOWER REPORTED THAT THE RIGHT MAIN GEAR WAS STILL EXTENDED. THE LANDING GEAR WAS SELECTED DOWN. THE
- [SDR 2008FA0000904](https://openairdocs.org/sdr/2008FA0000904.md): Turbine Blades · damaged · Dec 9, 2008 · N373RS · Amd FALCON50MYST · Turbine Section
  > THE THIRD STAGE LP TURBINE DISK ON NR 2 ENG HAD A BLADE (PN 30606901) BREAK IN FLIGHT DAMAGING THE EXHAUST NOZZLE AND THE AFTER BODY OF THE ENG. THE BLADES OF THE TURBINE DISK HAD A 2500 HOUR MPI REQUIRED EDDY CURRENT INSP COMPLETED AT 2458.6 TSN AND 1979 CSN
- [SDR CA080924007](https://openairdocs.org/sdr/CA080924007.md): Line · chafed · Sep 24, 2008 · Aircraft Fuel Distribution System
  > (CAN) DURING INSP IN THE RT WW THE MAIN FUEL LINE TO THE RT ENGINE WAS FOUND TO BE CHAFING ON THE LAV SINK HEATED DRAIN LINE. THE DAMAGE WAS BEYOND LIMITS AND THE FUEL LINE WAS REPLACED.
- [SDR CA080924008](https://openairdocs.org/sdr/CA080924008.md): Line · chafed · Sep 24, 2008 · Aircraft Fuel Distribution System
  > (CAN) IT WAS REPORTED THAT FUEL WAS SLOWLY TRANSFERRING FROM THE RT WING INTO THE CENTER TANK WHEN THE ACFT WAS STATIC. THE MOTIVE FLOW LINE PN 25W653120-634 AT THE CENTRAL TANK LOWER TRANSFER JET PUMP WAS FOUND TO BE CHAFING ON THE FUEL QTY PROBE MOUNTING BR
- [SDR CA080903009](https://openairdocs.org/sdr/CA080903009.md): Fitting · leaking · Sep 3, 2008 · Pitot/Static System
  > (CAN) WHILE CARRYING OUT AN AUTO SLAT CHECK, DURING AN A-CHECK, THE STATIC SYS WAS REQUIRED TO SIMULATE 25,000 FT AGL. AN EXCESSIVE LEAK RATE WAS NOTICED ON THE NR1 SIDE AND ISOLATED TO THE FLEX LINE AT THE NR1 ADC STATIC FITTING. UPON FINDING THE NR1 SYS PROB
- [SDR CA080818003](https://openairdocs.org/sdr/CA080818003.md): O-Ring · failed · Aug 6, 2008 · Israel ASTRASPX · Engine Bleed Air System
  > (CAN) RT BLEED LEAK LIGHT ILLUMINATED IN CLIMB OUT. AC RETURNED TO BASE. CONFIRMED LT BLEED LEAK ON GROUND DURING HIGH POWER ENGINE RUNS. COULD NOT DUPLICATE RT BLEED LEAK ON GROUND. FOUND BOTH BLEED SWITCHING VALVES LEAKING FROM REGULATOR FITTING ASSY. DUE T
- [SDR CA080808004](https://openairdocs.org/sdr/CA080808004.md): Line · cracked · Jul 22, 2008 · Hydraulic System, Main
  > (CAN) ON APPROACH INTO TORONTO PEARSON THE CREW NOTICED THAT THE AUX HYDRAULIC LOW PRESSURE ANNUNCIATOR AND FLUID LOW LEVEL LIGHT ILLUMINATED ON THE ACFT. AFTER STABILIZING THEIR APPROACH, ALL LIGHTS WENT OUT. AFTER LANDING THE LOW LEVEL LIGHT CAME ON ONCE AGA
- [SDR CA080627003](https://openairdocs.org/sdr/CA080627003.md): Fitting · loose · Jun 25, 2008 · Gulstm · Hydraulic System, Main
  > (CAN) ON DESCENT THE LT AND RT HYDR PUMP LIGHTS FLICKERED ON AND OFF. LOW HYD RESERVOIR ALSO ILLUMINATED. ALL SYS FUNCTIONED NORMAL AND AFTER ACFT WAS STABILIZED ON APPROACH NO FURTHER LIGHTS WERE SEEN DURING OR AFTER LANDING. UPON A POST FLIGHT WALK AROUND H
- [SDR 2007FA0000870](https://openairdocs.org/sdr/2007FA0000870.md): Blade · broken · Sep 12, 2007 · N115SK · Amd FALCON50MYST · Engine (Turbine/Turboprop)
  > BROKEN TURBINE BLADE. ENGINE SENT TO MFG FOR INVESTIGATION. (K)
- [SDR CA070907002](https://openairdocs.org/sdr/CA070907002.md): Hose · cracked · Sep 6, 2007 · Gulstm GULFSTREAMGV · Pitot/Static System
  > (CAN) DURING PITOT STATIC CHECKS IT WAS FOUND THE SYSTEM WAS SLIGHTLY LEAKING. FURTHER VISUAL INSPECTION FOUND THE STATIC HOSE GOING TO THE ADC WAS WEATHER CRACKED AND LEAKING NEAR THE FITTING. THE HOSE WAS MFG THE FIRST QUARTER OF 2001.(1Q01).(25W752005-063H)
- [SDR CA071212001](https://openairdocs.org/sdr/CA071212001.md): Engine · making metal · Dec 27, 2006 · Amd FALCON50MYST · Engine (Turbine/Turboprop)
  > (CAN) ON DESERT TO BASE CREW NOTICED NR 2 ENGINE OIL PRESSURE AND TEMPERATURE CLIMBING, POWER REDUCED TO IDLE. OIL PRESSURE DROPPED TO BELOW MINIMUMS (IN YELLOW ARC). CREW PERFORMED PRECAUTIONARY SHUTDOWN AND LANDED NORMALLY. SUBSEQUENT INVESTIGATION REVEALE

Next page: https://openairdocs.org/engine/alliedsign-tfe731-40/reports.md?page=2

## 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 = 'TFE73140'
ORDER BY difficulty_date DESC
```

This list as a web page: https://openairdocs.org/engine/alliedsign-tfe731-40/reports

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