# Service difficulty reports: N850US, cancelled May 28, 2003 A list on [N850US, cancelled May 28, 2003](https://openairdocs.org/deregistered/N850US-2003-05-28.md). Matched to this aircraft by N-number and event date, checked against the reported serial number, make and model. Newest first. - [SDR USAAF01066](https://openairdocs.org/sdr/USAAF01066.md): Relay · faulty · Aug 22, 2001 · N850US · Fokker F28MK0100 · Emergency Lighting > PHL - FLT 2249 - EN-ROUTE MHT-PHL, THE EMERGENCY EXIT LIGHTS WOULDN'T ILLUMINATE WHEN THE LANDING GEAR WAS EXTENDED. MAINTENANCE REPLACED EXIT LIGHTING RELAY K2618A. OPERATIONALLY CHECKED OK. (M) - [SDR USAA001046](https://openairdocs.org/sdr/USAA001046.md): Skin · damaged · Jul 17, 2000 · N850US · Fokker F28MK0100 · Fuselage Main, Plate/Skin > PIT - FOUND TWO HOLES IN SKIN.75 INCH BY.5 INCH AND.5 INCH BY.25 INCH, RT SIDE STATION 29959 AFT OF APU EXHAUST. REPAIRED PER SRM 53-00-02, INSTALLED REPAIR DOUBLER. (M) - [SDR USAA001047](https://openairdocs.org/sdr/USAA001047.md): Skin · damaged · Jul 17, 2000 · N850US · Fokker F28MK0100 · Fuselage Main, Plate/Skin > PIT - FOUND A HOLE IN SKIN.5 INCH BY.375 INCH, STATION 28868 RT SIDE AFT OF APU EXHAUST. REMOVED DOUBLER, FABRICATED NEW DOUBLER PER SRM 53-00-02. (M) - [SDR USAAF98073](https://openairdocs.org/sdr/USAAF98073.md): Inverter · inoperative · Sep 8, 1998 · N850US · Fokker F28MK0100 · Emergency Lighting > IND - LOW LEVEL EMERGENCY FLOOR LIGHTS INOPERATIVE AFT OF ROW 16. MAINTENANCE REPLACED THE 6 VOLT INVERTER AND TWO BATTERY PACKS. (M) - [SDR 98ZZZM696](https://openairdocs.org/sdr/98ZZZM696.md): Battery Pack · discharged · Sep 8, 1998 · N850US · Fokker F28MK0100 · Emergency Lighting > IND - LOW LEVEL EMERGENCY FLOOR LIGHTS INOPERATIVE AFT OF ROW 16. MAINTENANCE REPLACED THE 6 VOLT INVERTER AND TWO BATTERY PACKS. (M) - [SDR USAAF98030](https://openairdocs.org/sdr/USAAF98030.md): Battery Pack · discharged · Mar 22, 1998 · N850US · Fokker F28MK0100 · Emergency Lighting > IND - MAINTENANCE FOUND TWO INOPERATIVE CEILING EMERGENCY LIGHTS IN MID CABIN. MAINTENANCE REPLACED THE BATTERY PACK. (M) - [SDR USAAF98005](https://openairdocs.org/sdr/USAAF98005.md): Switch · failed · Jan 13, 1998 · N850US · Fokker F28MK0100 · Landing Gear Position and Warning > PIT - FLT 670 - ON TAKEOFF, THE LANDING GEAR WOULD NOT COME UP. OVERRIDE WAS USED AND GEAR CAME UP. TAKEOFF CONFIGURATION RED WARNING MESSAGE. THEN FLT/GRD CONFIGURE AMBER MESSAGE, RED WARNING WENT OUT; ALSO, GOT ANTI-SKID AMBER MESSAGE AND STAB TRIM INDICA - [SDR USAAF97047](https://openairdocs.org/sdr/USAAF97047.md): Power Supply · failed · May 25, 1997 · N850US · Fokker F28MK0100 · Emergency Lighting > IND - FOUND AISLE EMERGENCY LIGHTS AT ROWS 4 AND 5 INOPERATIVE. MAINTENANCE REPLACED THE BATTERY PACK POWER SUPPLY. (M) - [SDR USAAF97008](https://openairdocs.org/sdr/USAAF97008.md): Synchronizer · failed · Jan 25, 1997 · N850US · Fokker F28MK0100 · Trailing Edge Flap Control System > FLT 271 - RIC-LGA - AFTER TAKEOFF, FLAPS WOULD NOT RETRACT PAS 8 DEGREES. NO EMERGENCY WAS DECLARED. FLIGHT RETURNED TO RIC WITHOUT FURTHER INCIDENT. MAINTENANCE REPLACED LEFT OUTBOARD FLAP SYNCHRO. (M) - [SDR USAAF96103](https://openairdocs.org/sdr/USAAF96103.md): Controller · failed · Oct 4, 1996 · N850US · Fokker F28MK0100 · Cabin Pressure Controller > AVL-CLT - FLT 1062 - AFTER TAKEOFF, NR 1 AUTOPRESSURE FAILED. NR 2 AUTOPRESSURE WAS ON MEL. CAPTAIN WENT TO MANUAL AND WAS UNABLE TO CONTROL PRESSURE. FLIGHT CLIMBED TO FL060 AND CABIN PRESSURE ALTITUDE CLIMBED 2000 FPM. CREW DESCENDED AND SHUT DOWN PACKS. - [SDR 96ZZZM1475](https://openairdocs.org/sdr/96ZZZM1475.md): Relay · failed · Oct 4, 1996 · N850US · Fokker F28MK0100 · Cabin Pressure Control System > AVL-CLT - FLT 1062 - AFTER TAKEOFF, NR 1 AUTOPRESSURE FAILED. NR 2 AUTOPRESSURE WAS ON MEL. CAPTAIN WENT TO MANUAL AND WAS UNABLE TO CONTROL PRESSURE. FLIGHT CLIMBED TO FL060 AND CABIN PRESSURE ALTITUDE CLIMBED 2000 FPM. CREW DESCENDED AND SHUT DOWN PACKS. - [SDR 96ZZZM1474](https://openairdocs.org/sdr/96ZZZM1474.md): Outflow Valve · failed · Oct 4, 1996 · N850US · Fokker F28MK0100 · Pressure Regulator/Outflow Valve > AVL-CLT - FLT 1062 - AFTER TAKEOFF, NR 1 AUTOPRESSURE FAILED. NR 2 AUTOPRESSURE WAS ON MEL. CAPTAIN WENT TO MANUAL AND WAS UNABLE TO CONTROL PRESSURE. FLIGHT CLIMBED TO FL060 AND CABIN PRESSURE ALTITUDE CLIMBED 2000 FPM. CREW DESCENDED AND SHUT DOWN PACKS. - [SDR USAAF96053](https://openairdocs.org/sdr/USAAF96053.md): Coalescer Bag · contaminated · May 28, 1996 · N850US · Fokker F28MK0100 · Humidity Control System > CLT - FLT 1543 - DURING CLIMB-OUT OF CLT, BOTH LAVATORY SMOKE DETECTORS ACTIVATED IN AIRCRAFT. CAPTAIN DECLARED EMERGENCY AND RETURNED TO FIELD IN CLT. FLIGHT LANDED WITH NO FURTHER INCIDENT. MAINTENANCE FOUND THE RT PACK OIL QUANTITY OVERSERVICED AND WATER - [SDR USAAF96010](https://openairdocs.org/sdr/USAAF96010.md): Outflow Valve · deactivated · Jan 18, 1996 · N850US · Fokker F28MK0100 · Pressure Regulator/Outflow Valve > PIT - AFTER TAKEOFF, AIRCRAFT WOULD NOT PRESSURIZE IN AUTOMATIC OR MANUAL MODES. FLIGHT RETURNED TO PIT AND LANDED WITH NO FURTHER INCIDENT. MAINTENANCE REACTIVATED THE OUTFLOW VALVE WHICH WAS DEACTIVATED DUE TO PREVIOUS WORK. (M) - [SDR USAAF96005](https://openairdocs.org/sdr/USAAF96005.md): Apu · failed · Jan 8, 1996 · N850US · Fokker F28MK0100 · APU Core Engine > CRW - FL 7007 - EN ROUTE TYS-PIT - CABIN ALTITUDE BEGAN CLIMBING AND WAS UNCONTROLLABLE. CREW DESCENDED AND DIVERTED TO CRW. BOTH PACKS WERE REPORTED AS OPERATING SATISFACTORILY. MAINTENANCE FOUND A HOLE IN THE AFT PRESSURE BULKHEAD DUE TO AN UNCONTAINED AP - [SDR USAA951006](https://openairdocs.org/sdr/USAA951006.md): Air Distr · odor · Sep 21, 1995 · N850US · Fokker F28MK0100 · Air Distribution System > CLT - FL 1112 - DURING TAKEOFF GROUND ROLL, CREW NOTED SMELL OF BURNING RUBBER. CREW LEFT GEAR DOWN, SMELL DID NOT DISSIPATE. CREW DECLARED AN EMERGENCY, DUMPED CABIN AIR, AND RETURNED TO CLT. FLIGHT LANDED WITH NO FURTHER INCIDENT. MAINTENANCE RAN BOTH EN - [SDR USAA950210](https://openairdocs.org/sdr/USAA950210.md): Eel Wiring · loose · Mar 4, 1995 · N850US · Fokker F28MK0100 · Emergency Lighting > PIT - THE EMERGENCY CENTER CABIN OVERWING STANDBY LIGHT WAS INOPERATIVE. MAINTENANCE REPAIRED A LOOSE CONNECTION ON WIRING TO THE LIGHT. OPERATIONS CHECKED GOOD. (Z) - [SDR USAA950217](https://openairdocs.org/sdr/USAA950217.md): Fuel Sys · venting · Feb 26, 1995 · N850US · Fokker F28MK0100 · Fuel Storage > CLT - FLT NR 0330 - ON TAKEOFF, THE LEFT AND RIGHT WINGS WERE OBSERVED TO HAVE FUEL VENTING FROM THEM. FLIGHT RETURNED TO CLT WITHOUT INCIDENT. MAINTENANCE ACCOMPLISHED AN OPERATIONAL TEST OF THE FUEL AUTO FEED SYSTEM. OPERATIONS CHECKED GOOD. (Z) ## 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 n_number = 'N850US' AND deregistration_id = 'N850US-2003-05-28' ORDER BY difficulty_date DESC ``` This list as a web page: https://openairdocs.org/deregistered/N850US-2003-05-28/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.