# Service difficulty reports: Dassault FALCON 900B

A list on [Dassault FALCON 900B](https://openairdocs.org/model/dassault-falcon-900b.md).

Newest first. General aviation reporting is voluntary.

- [SDR FSEA202601260005](https://openairdocs.org/sdr/FSEA202601260005.md): Pcb · burned · Jan 26, 2026 · N150K · Amd FALCON900B · Air Distribution System
  > CLIMBING THROUGH 17K THE CREW NOTICES A BURNING SMELL IN THE COCKPIT, THEY GOT A PITCH FEEL ANNUNCIATOR AND THE SLATS DEPLOYED. THEY DECLARED AN EMERGENCY AND RETURNED TO KARR. AFTER INSPECTION PCB 401J WAS FOUND BURN, THIS CAUSED THE BURNING SMELL AND ALSO CO
- [SDR 5DLA2024122700323](https://openairdocs.org/sdr/5DLA2024122700323.md): Winglet · distorted · Dec 19, 2024 · N24FJ · Amd FALCON900B · Wing Main, Frame Structure
  > I NEED TO REPORT ON AN INCIDENT THAT HAPPENED ON DECEMBER 19, 2024 AT APPROXIMATELY 13:30 LOCAL TIME. AIRCRAFT DASSAULT FALCON 900B N24FJ WAS TAXING UP TO THE VAN NUYS (KVNY) BLAST FENCE, WHEN THE PIC WAS TURNING INTO POSITION, HE STRUCK THE BLAST FENCE WITH T
- [SDR X42A202501141224](https://openairdocs.org/sdr/X42A202501141224.md): Flex Hose · leaking · Dec 1, 2024 · N670JD · Amd FALCON900B · Hydraulic System, Main
  > DURING CLIMB OUT AFTER TAKEOFF THE SLATS AND FLAPS REMAINED EXTENDED AND FAILED TO RETRACT WHEN SELECTED TO 'CLEAN'. DISCOVERED THE LOSS OF HYDRAULIC SYSTEM 2 PRESSURE AND FLUID LEVEL WHICH OPERATES THE FLAPS SYSTEM.
- [SDR 6RNA202408120001](https://openairdocs.org/sdr/6RNA202408120001.md): Skin · corroded · Jun 20, 2024 · N900TE · Amd FALCON900B · Fuselage Main, Plate/Skin
  > LEVEL 3 CORROSION FOUND BEHIND RIGHT PYLON LOWER DRAG ANGLE.
- [SDR 9JLA2022100739009](https://openairdocs.org/sdr/9JLA2022100739009.md): Seal · leaking · Oct 5, 2022 · N910TX · Amd FALCON900B · Accessory Gearboxes
  > DURING POST-FLIGHT CHECKS THE MAINTENANCE TECH DISCOVERED AN OIL LEAK FROM THE NO3 ENGINE. THE MAINTENANCE PROVIDER FOUND A LIP SEAL ON THE ACCESSORY GEARBOX FOR THE FUEL PUMP LEAKING. THE DEFECTIVE SEAL WAS REMOVED, AND A NEW CONDITION SEAL INSTALLED. LEAK CH
- [SDR 2022F00333](https://openairdocs.org/sdr/2022F00333.md): None · none · Sep 7, 2022 · N108FJ · Amd FALCON900B · Landing Gear Brake System
  > UPON LANDING INTO KVNY CREW EXPERIENCED AN INTERMITTENT LOSS OF LEFT SIDE BRAKING FORCE CONSISTENT WITH ANTISKID ACTIVATION. RUNWAY WAS DRY AND CREW WAS APPLYING NORMAL BRAKE EFFORT. ISSUE WAS SUBSEQUENTLY VERIFIED TO OCCUR WITH ANTI SKID SELECTED OFF. TROUBL
- [SDR 9JLA2022080339000](https://openairdocs.org/sdr/9JLA2022080339000.md): Anti-Ice Valve · failed · Jul 17, 2022 · N910TX · Amd FALCON900B · Airfoil Anti/De-ice System
  > THE FLIGHT CREW REPORTED THAT THE WING ANTI-ICE VALVE WOULD NOT CLOSE IN FLIGHT. THE BASE MAINTENANCE TEAM TROUBLESHOT AND DETERMINED THE WING ANTI-ICE VALVE HAD FAILED. THE DEFECTIVE VALVE WAS REMOVED AND AN OVERHAULED VALVE INSTALLED. OPS CHECKS AND LEAK CHE
- [SDR 2022F00172](https://openairdocs.org/sdr/2022F00172.md): Life Raft · leaking · Mar 30, 2022 · N28DC · Amd FALCON900B · Life Raft
  > AFTER OVERHAUL BY FLIGHTPATH CRS #5FSR433B IT WAS FOUND BY MAINTENANCE THAT THE RAFT WOULDN'T FIT IN IT'S ORIGINAL POSITION. IT HAS BEEN SENT BACK 3 TIMES TO THE CRS. WE WERE ADVISED BY THE CRS THAT THE MANUFACTURER OF THE RAFTS (WINSLOW) HAS CHANGED THE VACUU
- [SDR 9JLA2021100726186](https://openairdocs.org/sdr/9JLA2021100726186.md): Relay · defective · Oct 5, 2021 · N910SD · Amd FALCON900B · Navigation System
  > THE MAINTENANCE TEAM REPORTED THE CO-PILOT AVIONICS NOT TURNING OFF WITH MASTER SWITCH. THE MAINTENANCE TEAM TROUBLESHOT AND VERIFIED THAT THE COPILOTS EFIS RELAY WAS DEFECTIVE. THE RELAY WAS REMOVED AND REPLACED WITH A NEW RELAY. OPS CHECKS WERE SATISFACTORY
- [SDR 9JLA2021091426172](https://openairdocs.org/sdr/9JLA2021091426172.md): Accumulator · leaking · Sep 9, 2021 · N910SD · Amd FALCON900B · Hydraulic System, Main
  > THE FLIGHT CREW REPORTED THAT DURING POST FLIGHT CHECKS HYDRAULIC FLUID WAS FOUND LEAKING FROM GANG DRAIN. THE MAINTENANCE VENDOR DETERMINED THE NO1 HYDRAULIC ACCUMULATOR WAS DEFECTIVE. A REPAIRED ACCUMULATOR WAS INSTALLED. OPERATIONAL AND LEAK CHECKS WERE SAT
- [SDR 9JLA2021090826169](https://openairdocs.org/sdr/9JLA2021090826169.md): Pressure Switch · failed · Aug 26, 2021 · N910SD · Amd FALCON900B · Fuel Pressure Indicator
  > THE FLIGHT CREW REPORTED THAT THE NO3 ENGINE FUEL LIGHT ILLUMINATED IN FLIGHT. NO FUEL LEAKS WERE NOTED ON POST FLIGHT CHECKS. THE MAINTENANCE VENDOR TROUBLESHOT AND DETERMINED THE NO3 ENGINE FUEL PRESSURES SWITCH WAS DEFECTIVE AND WAS REMOVED AND REPLACED WIT
- [SDR CJPA2021072600021](https://openairdocs.org/sdr/CJPA2021072600021.md): Line · failed · Jul 14, 2021 · N111P · Amd FALCON900B · Hydraulic System, Main
  > ABOUT 20 MILES FROM LANDING, ATC ISSUED INSTRUCTIONS TO SLOW TO 190 KTS. I USED THE AIRBRAKES TO SLOW, AND WHEN RETRACTING THE AIRBRAKES, THE PM NOTICED THE #2 HYD PUMP WARNING LIGHT FLICKER, ACCOMPANIED BY LOW PRESSURE AND NEAR ZERO QUANTITY. THERE WAS STILL
- [SDR 2021FA0000178](https://openairdocs.org/sdr/2021FA0000178.md): Position Switch · out of adjust · Jun 15, 2021 · N905FJ · Amd FALCON900B · Engine Indicating System
  > AIRCRAFT WAS CLEARED FOR TAKE OFF. TOOK THE RUNWAY, LINED UP, CAME TO A STOP & ADVANCED POWER LEVERS TO TAKE OFF. AS NR 2 ENGINE SPOOLED UP, THERE WAS AN INDICATION FOR THE S-DUCT THAT WILL ILLUMINATE WHILE ENGINE SPOOLS TO MATCH THROTTLE LEVERS POSITION.
- [SDR 2019FA0000333](https://openairdocs.org/sdr/2019FA0000333.md): Bolt · loose · Oct 8, 2019 · N404BC · Amd FALCON900B · Leading Edge Devices
  > N404BC, SN 128, LINE CASUALTY AIRCRAFT RETURNED AFTER BECOMING AIRBORNE. THE CREW REPORTED UNABLE TO RETRACT SLATS. INVESTIGATION REVEALED, THE L/H OUT BOARD SLAT TRACK 8, STOP RETAINING BOLT, WAS LOOSE, CAUSING FOULING WITH LEADING EDGE STRUCTURE AND CAUSIN
- [SDR PRIA20170725001](https://openairdocs.org/sdr/PRIA20170725001.md): Wire Harness · shorted · Jul 24, 2017 · N454AJ · Amd FALCON900B · Powerplant System Wiring
  > CRUISE ALTITUDE FL410 ENG NR 1 COMPUTER LIGHT ILLUMINATED WITH SLIGHT RPM ROLLBACK. FOLLOWED CHECKLIST, RESETTING COMPUTER. 30 SECONDS LATER REPEAT OCCURRENCE. FOLLOWED CHECKLIST AGAIN AND CONTINUED FLIGHT WITH COMPUTER OFF AND IN MANUAL MODE. DECIDED TO LAND
- [SDR YRJR201707180001](https://openairdocs.org/sdr/YRJR201707180001.md): Clamp · broken · Jul 17, 2017 · N900KL · Amd FALCON900B · Engine Bleed Air System
  > AFTER TAKE OFF, A FIRE WARNING ON THE NR 1 ENGINE ILLUMINATED. AIRCRAFT RETURNED TO AIRPORT. EXAMINATION REVEALED TWO HIGH PRESSURE BLEED AIR CLAMPS HAD FAILED. THIS ALLOWED BLEED AIR TO SET OFF THE FIRE WARNING.
- [SDR 4DUA201703300001](https://openairdocs.org/sdr/4DUA201703300001.md): Warning Light · activated · Mar 30, 2017 · N960C · Amd FALCON900B · Cabin Pressure Control System
  > WHILE DESCENDING FROM FL450, CABIN WARNING LIGHT AND TONE ACTIVATED DUE TO PARTIAL LOSS OF CABIN PRESSURE. CREW DONE MASKS, DECLARED EMERGENCY AND LANDED UNEVENTFULLY AT DESTINATION AIRPORT (BMI).
- [SDR CJPA20170104001](https://openairdocs.org/sdr/CJPA20170104001.md): Fan · failed · Jan 4, 2017 · N111P · Amd FALCON900B · Independent Position Determining System
  > AT FL30, THE PILOT REPORTED SMOKE IN THE COCKPIT. DECLARED AN EMERGENCY AND DIVERTED. NOTICED THE SMOKE WENT AWAY AND AFTER DESCENDING TO FL15, CANCELED THE EMERGENCY. PROBLEM WAS THE BLOWER MOTOR ON THE NR 1 IRU. NO C/B’S TRIPPED, AND NO SYSTEMS WERE C
- [SDR 7SSA2015102802](https://openairdocs.org/sdr/7SSA2015102802.md): Access Door · missing · Jun 14, 2015 · N780SP · Amd FALCON900B · Fluid Service Doors
  > AIRCRAFT DEPARTED AFTER SCHEDULED MX & FLEW TO HOME BASE. WHILE PERFORMING THE POST FLIGHT WALK AROUND THE TECHNICIAN NOTICED THE CTR BELLY FUEL BAY DOOR WAS MISSING & HAD DEPARTED THE ACFT IN FLIGHT. NO UNUSUAL SENSATIONS WERE NOTED DURING THE FLIGHT. NO D
- [SDR YYMA2014F00105](https://openairdocs.org/sdr/YYMA2014F00105.md): Proximity Switch · failed · Jun 5, 2014 · N884BB · Amd FALCON900B · Landing Gear Position and Warning
  > DURING APPROACH, CREW SELECTED GEAR DOWN AND RECEIVED BOTH MAIN DOOR RED INDICATIONS AND NO GREEN DOWN AND LOCK INDICATIONS. RETURNED TO DEPARTURE AND SELECTED GEAR DOWN WITH EMERGENCY HYD EXTENSION AND RECEIVED THREE GREEN DOWN AND LOCKED LIGHTS. ACFT LAND
- [SDR EV7A201408220001](https://openairdocs.org/sdr/EV7A201408220001.md): Door Frame · corroded · Nov 1, 2013 · N544CM · Amd FALCON900B · Fuselage Main, Structure
  > CORROSION WAS FOUND AROUND MAIN ENTRY DOOR UPPER OPENING AT FRAME 5 DURING A SCHEDULED 3C, 18 YEAR, AIRFRAME INSPECTION. CORROSION WAS REMOVED AND A FABRICATED DOUBLER WAS INSTALLED AT UPPER OPENING AT FRAME 5 IAW MFG DWG FGFB222105A8 EO1-1. REPAIRED CORROSI
- [SDR EV7A2014082200001](https://openairdocs.org/sdr/EV7A2014082200001.md): Skin · corroded · Nov 1, 2013 · N544CM · Amd FALCON900B · Fuselage Main, Plate/Skin
  > CORROSION WAS FOUND ON ALUMINUM SKIN AT FRAME 10 DURING A SCHEDULED 3C, 18 YEAR, AIRFRAME INSPECTION. CORROSION WAS REMOVED, SKIN WAS REPAIRED AND A FABRICATED DOUBLER WAS INSTALLED IAW MFG LOWER SKIN PANEL DWG FGFB238100C4 EO1-7 AND FGFB238100C4 EO2-2. PROT
- [SDR 2011FA0000375](https://openairdocs.org/sdr/2011FA0000375.md): Fan · failed · Jun 10, 2011 · N721HM · Amd FALCON900B · Air Distribution Fan
  > WHILE TAXING LIGHT SMOKE ENTERED THE CABIN VIA AIR CONDITIONING DUCTS.
- [SDR 2011FA0000357](https://openairdocs.org/sdr/2011FA0000357.md): Screw · wrong part · Jun 3, 2011 · N886DC · Amd FALCON900B · Fuselage Miscellaneous Structure
  > SCREW LISTED IN SEC 5, WHEN INSTALLED, (DEPENDING ON THE LOCATION ON THE PROTECTOR) DO NOT FULLY ENGAGE THE LOCKING DEVICE ON THE NUTPLATE BECAUSE THE LENGTH OF THE SCREW IS TOO SHORT. AT ALL LOCATIONS, THE SCREWS DO NOT PROTRUDE OF HAVE 1 THREAD PAST THE END
- [SDR 2007FA0000458](https://openairdocs.org/sdr/2007FA0000458.md): Fuel Control · faulty · May 2, 2007 · N4MB · Amd FALCON900B · Fuel Control/Turbine Engines
  > PILOTS REPORTED THAT ENGINE THAT THIS FUEL CONTROL UNIT WAS INSTALLED ON COULD NOT BE CONTROLLED BY NORMAL COMPUTER MODE, AND THAT WHEN THEY WENT TO MANUAL MODE THAT THEY COULD NOT CONTROL ENGINE SPEED FUNCTIONS EITHER. IT SEEMS THAT THIS FUEL CONTROL HAS SOM
- [SDR CA060116005](https://openairdocs.org/sdr/CA060116005.md): Cooling Fan · seized · Jan 3, 2006 · Amd FALCON900B · Air Distribution Fan
  > WHILE ON THE GROUND WITH THE APU RUNNING, SMOKE WAS OBSERVED IN THE CABIN. THE CREW IMMEDIATELY SHUT DOWN THE APU. THE TURBO COOLING FAN WAS FOUND SEIZED.
- [SDR 2005FA0001225](https://openairdocs.org/sdr/2005FA0001225.md): Duct · cracked · Mar 29, 2005 · N103DT · Amd FALCON900B · Pneumatic Distribution System
  > DURING INVESTIGATION OF OIL PRESSURE TRANSMITTER ENGINE NR 1 FOUND HOT AIR LEAK FROM PYLON. AFTER REMOVAL OF PYLON DOOR FOUND BLEED AIR DUCT PROBE TEMPERATURE SUPPORT CRACKED. NO SIGNIFICANT DAMMAGE FOUND AROUND THE DUCT. REPLACED BLEED AIR DUCT. (K)
- [SDR 2005FA0000210](https://openairdocs.org/sdr/2005FA0000210.md): Anti-Ice Valve · failed · Dec 29, 2004 · N203CW · Amd FALCON900B · Ice/Rain Protection System
  > DURING TROUBLESHOOTING FOR (HIGHER THAN NORMAL) GASPER AIR TEMPERATURE, FOUND THE TURBOFAN TURBINE ANIT-ICE VALVE DISASSEMBLED BETWEEN THE VALVE AND THE MOTOR. NO DAMAGE CAN BE SEEN ON THE VALVE. THE 2 THREADED PARTS WERE FOUND UNTHREADED. THE DYSFUNCTIONAL
- [SDR CA050324005](https://openairdocs.org/sdr/CA050324005.md): Inverter · failed · Sep 29, 2004 · Amd FALCON900B · Ground Proximity System
  > (CAN) THE GPWS FAILED IN FLIGHT. THE CONNECTOR PLUG ON THE GPWS INVERTER WAS CLEANED OF MOISTURE AND THE SYSTEM WAS TESTED SERVICEABLE.
- [SDR CA050324007](https://openairdocs.org/sdr/CA050324007.md): Anti-Ice Valve · failed · Sep 29, 2004 · Amd FALCON900B · Air Intake Anti/De-Ice System
  > (CAN) DURING DESCENT, THE FLIGHT CREW NOTICED THAT THE NR 1 ENGINE ANTI-ICE VALVE WOULD NOT CLOSE UNLESS POWER WAS REDUCED TO IDLE. THE VALVE WAS REPLACED AND A SATISFACTORY ENGINE RUN WAS CARRIED OUT.
- [SDR AMCR200400004](https://openairdocs.org/sdr/AMCR200400004.md): Fusible Plug · leaking · Sep 9, 2004 · N523AC · Amd FALCON900B · Wheel/Ski/Float
  > DURING A PREFLIGHT, FOUND TIRE PRESSURE TO BE DOWN SIGNIFICANTLY. INVESTIGATION FOUND ONE WHEEL FUSE PLUG TO BE LEAKING. WHEN FUSE WAS REMOVED, THERE APPEARED TO BE A SLIGHT DENT ON THE FACE OF THE FUSE, SIMILAR TO HANDLING DAMAGE. HISTORY SHOWS THIS TO BE AN
- [SDR 2004FA0000757](https://openairdocs.org/sdr/2004FA0000757.md): Pressure Switch · leaking · Aug 18, 2004 · N25MB · Amd FALCON900B · Hydraulic System, Main
  > APPROX 5-10 MINUTES AFTER TAKEOFF, PILOTS NOTED NR 2 HYDRAULIC SYSTEM LOSING FLUID. SYSTEM CONTINUED TO LOSE FLUID SO NR 2 ENGINE WAS SHUT DOWN AND AIRCRAFT LANDED. MAINTENANCE FOUND NR 2 HYDRAULIC SYSTEM PRESSURE SWITCH LEAKING. INSTALLED NEW PRESSURE SWIT
- [SDR AMCR200300007](https://openairdocs.org/sdr/AMCR200300007.md): Extinguisher · leaking · Oct 30, 2003 · N522AC · Amd FALCON900B · Fire Bottle, Portable
  > DURING BASIC INSPECTION, TECHNICIAN FOUND THE COCKPIT FIRE EXTINGUISHER PRESSURE GAUGE TO BE READING AT VERY BOTTOM OF GREEN RANGE. FURTHER INSPECTION REVEALED THE GAUGE TO BE LOOSE, AND SLIGHTLY TWISTING GAUGE CAUSED THE BOTTLE TO LEAK.

## 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 aircraft_model_key = 'FALCON900B'
ORDER BY difficulty_date DESC
```

This list as a web page: https://openairdocs.org/model/dassault-falcon-900b/reports

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