# Service difficulty reports: N912RW, cancelled Dec 18, 2001 A list on [N912RW, cancelled Dec 18, 2001](https://openairdocs.org/deregistered/N912RW-2001-12-18.md). Matched to this aircraft by N-number and event date, checked against the reported serial number, make and model. Newest first. - [SDR 9901749964](https://openairdocs.org/sdr/9901749964.md): Wire · chafed · May 15, 1999 · N912RW · Doug DC931 · Light System Wiring > DURING MAINTENANCE INSPECTION, FOUND CATWALK VENTRAL STAIRS AND INTERIOR TAIL CONE RELEASE HANDLE EMERGENCY LIGHTS INOPERATIVE. MAINTENANCE REPAIRED CHAFED WIRES AT CATWALK, OPERATIONAL CHECK NORMAL. - [SDR 9901709964](https://openairdocs.org/sdr/9901709964.md): Battery Pack · discharged · May 13, 1999 · N912RW · Doug DC931 · Emergency Lighting > DURING LINE MAINTENANCE INSPECTION, FOUND AFT TAIL COMPARTMENT CATWALK EMERGENCY LIGHTS INOPERATIVE. REPLACED BATTERY PACK, OPERATIONAL CHECK NORMAL. - [SDR 9901589964](https://openairdocs.org/sdr/9901589964.md): Battery Pack · discharged · Apr 21, 1999 · N912RW · Doug DC931 · Emergency Lighting > DURING LINE MAINTENANCE INSPECTION, FOUND AFT CATWALK EMERGENCY LIGHTS INOPERATIVE. REPLACED BATTERY PACK. OPERATIONAL CHECK NORMAL. - [SDR 9901109964](https://openairdocs.org/sdr/9901109964.md): Battery Pack · discharged · Mar 18, 1999 · N912RW · Doug DC931 · Emergency Lighting > DURING LINE MAINTENANCE INSPECTION, FOUND CATWALK EMERGENCY LIGHTS INOPERATIVE. REPLACED BATTERY PACK, OPERATIONAL CHECK NORMAL. - [SDR 9901099964](https://openairdocs.org/sdr/9901099964.md): Power Supply · inoperative · Mar 17, 1999 · N912RW · Doug DC931 · Emergency Lighting > DURING LINE MAINTENANCE INSPECTION, FOUND CATWALK EMERGENCY LIGHTS INOPERATIVE. REPLACED POWER SUPPLY, OPERATIONAL CHECK NORMAL. - [SDR 9811059964](https://openairdocs.org/sdr/9811059964.md): Power Supply · inop · Dec 28, 1998 · N912RW · Doug DC931 · Emergency Lighting > DURING LINE CHECK, FOUND CATWALK EMERGENCY EXIT LIGHTS INOPERATIVE. MAINTENANCE REPLACED POWER SUPPLY, OPERATIONAL CHECK NORMAL. - [SDR 9811049964](https://openairdocs.org/sdr/9811049964.md): Power Supply · inop · Dec 24, 1998 · N912RW · Doug DC931 · Emergency Lighting > DURING B-CHECK, FOUND CATWALK EMERGENCY EXIT LIGHTS INOPERATIVE. MAINTENANCE REPLACED POWER SUPPLY, OPERATIONAL CHECK NORMAL. - [SDR 9810939964](https://openairdocs.org/sdr/9810939964.md): Battery Pack · discharged · Dec 16, 1998 · N912RW · Doug DC931 · Emergency Lighting > DURING LINE MAINTENANCE INSPECTION, FOUND CATWALK EMERGENCY LIGHTS INOPERATIVE. REPLACED BATTERY PACK. OPERATIONAL CHECK NORMAL. - [SDR 9802069964](https://openairdocs.org/sdr/9802069964.md): Battery · discharged · Feb 1, 1998 · N912RW · Doug DC931 · Emergency Lighting > FLIGHT ATTENDANT REPORTED, FORWARD EMERGENCY FLASHLIGHT NOT BLINKING. REPLACED BATTERY, OPERATIONAL CHECK NORMAL. - [SDR 9711649964](https://openairdocs.org/sdr/9711649964.md): Thermostat · failed · Jun 15, 1997 · N912RW · Doug DC931 · Airfoil Anti/De-ice System > RIGHT ICE PROTECTION TEMPERATURE HIGH LIGHT ACCOMPANIED BY PRESSURE ABNORMAL LIGHT ILLUMINATED AFTER TAKEOFF. CREW TURNED OFF RIGHT SYSTEM AND LEFT ICE PROTECTION TEMPERATURE HIGH LIGHT ILLUMINATED. FLIGHT RETURNED TO MSP AND LANDED WITHOUT INCIDENT. MAINTE - [SDR 9710829964](https://openairdocs.org/sdr/9710829964.md): Batteries · not seated · Jun 5, 1997 · N912RW · Doug DC931 · Emergency Lighting > DURING LINE MAINTENANCE INSPECTION, FOUND ONE SECTION OF OVERHEAD EMERGENCY LIGHTS INOPERATIVE. RESEATED BATTERIES IN PACK AT CENTER CABIN OVERHEAD, OPERATIONAL CHECK NORMAL. - [SDR 9708429964](https://openairdocs.org/sdr/9708429964.md): Clamp · loose · Apr 26, 1997 · N912RW · Doug DC931 · Pneumatic Distribution System > TAIL COMPARTMENT TEMPERATURE HIGH LIGHT WITH MASTER WARNING LIGHT ILLUMINATED AFTER TAKEOFF. CREW DECLARED AN EMERGENCY AND FLIGHT WAS RETURNED TO MSP WITHOUT INCIDENT. MAINTENANCE FOUND LOOSE DUCT CLAMPS ON BOTH SIDES OF THE RIGHT AUGMENTATION VALVE, RIGHT - [SDR 9705629964](https://openairdocs.org/sdr/9705629964.md): Battery Pack · discharged · Mar 18, 1997 · N912RW · Doug DC931 · Emergency Lighting > DURING PERIODIC CHECK, FOUND LEFT AND RIGHT NACELLE EMERGENCY LIGHTS INOPERATIVE. MAINTENANCE REPLACED RELAY R2-213 AND BOTH NACELLE BATTERY PACKS. OPERATIONAL CHECK NORMAL. - [SDR 9706969964](https://openairdocs.org/sdr/9706969964.md): Frame · corroded · Mar 15, 1997 · N912RW · Doug DC931 · Fuselage Main, Frame > DURING L-CHECK, FOUND CORROSION ON LOWER FRAME T AT FS 1038, 8 LEFT OF CENTER LINE. REPAIRED PER EA 99-112276. - [SDR 9705919964](https://openairdocs.org/sdr/9705919964.md): Fitting · cracked · Mar 15, 1997 · N912RW · Doug DC931 · Fuselage Miscellaneous Structure > DURING L-CHECK, FOUND CRACK IN LEFT SUPPORT FITTING FOR TAIL SKID. REPAIRED PER EA 99-112284. - [SDR 9705309964](https://openairdocs.org/sdr/9705309964.md): Battery Pack · discharged · Mar 5, 1997 · N912RW · Doug DC931 · Emergency Lighting > DURING LINE MAINTENANCE INSPECTION, FOUND LEFT AND RIGHT NACELLE EMERGENCY LIGHTS INOPERATIVE. MAINTENANCE REPLACED RELAY R2-213 AND BOTH BATTERY PACKS. OPERATIONAL CHECK NORMAL. - [SDR 9704749964](https://openairdocs.org/sdr/9704749964.md): Battery Pack · discharged · Mar 5, 1997 · N912RW · Doug DC931 · Emergency Lighting > DURING LINE MAINTENANCE INSPECTION, FOUND EMERGENCY LIGHTS REMAINING ON WITH APU SHUT DOWN AND BATTERY SWITCH OFF. REPLACED BATTERY PACKS, OPERATIONAL CHECK NORMAL. - [SDR 9704579964](https://openairdocs.org/sdr/9704579964.md): Battery Pack · discharged · Mar 1, 1997 · N912RW · Doug DC931 · Emergency Lighting > DURING LINE MAINTENANCE INSPECTION, FOUND LEFT AND RIGHT NACELLE EMERGENCY LIGHTS INOPERATIVE. REPLACED BOTH BATTERY PACK. OPERATIONAL CHECK NORMAL. - [SDR 9704049964](https://openairdocs.org/sdr/9704049964.md): Pt2 Probe · iced up · Feb 24, 1997 · N912RW · Doug DC931 · Fuel Controlling System > NR 2 ENGINE EPR INDICATION WAS ERRATIC DURING TAKEOFF. THE TAKEOFF WAS ABORTED AND THE AIRCRAFT RETURNED TO THE GATE. MAINTENANCE REMOVED ICE FROM THE PT2 PROBE, EPR INDICATION RETURNED TO NORMAL. - [SDR 9703959964](https://openairdocs.org/sdr/9703959964.md): Battery Pack · discharged · Feb 24, 1997 · N912RW · Doug DC931 · Emergency Lighting > DURING LINE MAINTENANCE INSPECTION, FOUND BOTH NACELLE EMERGENCY LIGHTS INOPERATIVE. REPLACED BOTH BATTERY PACKS. OPERATIONAL CHECK NORMAL. - [SDR 9700319964](https://openairdocs.org/sdr/9700319964.md): Batteries · discharged · Jan 4, 1997 · N912RW · Doug DC931 · Emergency Lighting > DURING LINE MAINTENANCE INSPECTION, FOUND AFT OVERWING EXIT EMERGENCY LIGHTS INOPERATIVE. REPLACED BATTERIES, OPERATIONAL CHECK NORMAL. - [SDR 9700199964](https://openairdocs.org/sdr/9700199964.md): Batteries · discharged · Jan 4, 1997 · N912RW · Doug DC931 · Emergency Lighting > DURING LINE MAINTENANCE INSPECTION, FOUND AFT OVERWING EXIT EMERGENCY LIGHTS INOPERATIVE. REPLACED BATTERIES, OPERATIONAL CHECK NORMAL. - [SDR 9626899964](https://openairdocs.org/sdr/9626899964.md): Epr Line · frozen · Dec 24, 1996 · N912RW · Doug DC931 · Engine Pressure Ratio (EPR) > AS TAKEOFF POWER WAS APPLIED, THE RIGHT ENGINE EPR INDICATION DID NOT RESPOND. CREW ABORTED TAKEOFF AND RETURNED TO GATE. MAINTENANCE REPLACED THE RIGHT ENGINE EPR INDICATOR, EPR TRANSMITTER AND THE PROBLEM CONTINUED. MAINTENANCE THEN APPLIED HEAT TO PT7 LI - [SDR 9624859964](https://openairdocs.org/sdr/9624859964.md): Windshield · shattered · Nov 16, 1996 · N912RW · Doug DC931 · Flight Compartment Windows > DURING CLIMB, THE FIRST OFFICER'S WINDSHIELD OUTER PANE SHATTERED. RETURNED TO MSP WITHOUT FURTHER INCIDENT. REPLACED WINDSHIELD PER MM 56-10-2, LEAK CHECK OK. - [SDR 9622439964](https://openairdocs.org/sdr/9622439964.md): Power Supply · inoperative · Oct 19, 1996 · N912RW · Doug DC931 · Emergency Lighting > DURING LINE MAINTENANCE INSPECTION, FOUND RIGHT ENGINE NACELLE EMERGENCY LIGHTS INOPERATIVE. REPLACED POWER SUPPLY, OPERATIONAL CHECK NORMAL. - [SDR 9618389964](https://openairdocs.org/sdr/9618389964.md): Power Supply · malfunctioned · Aug 22, 1996 · N912RW · Doug DC931 · Emergency Lighting > DURING LINE MAINTENANCE INSPECTION, FOUND TAIL COMPARTMENT EMERGENCY LIGHTS INOPERATIVE. REPLACED POWER SUPPLY, OPERATIONAL CHECK NORMAL. - [SDR 9618059964](https://openairdocs.org/sdr/9618059964.md): Batteries · discharged · Aug 17, 1996 · N912RW · Doug DC931 · Emergency Lighting > DURING LINE MAINTENANCE INSPECTION, FOUND AFT TAILCONE AND CATWALK EMERGENCY LIGHTS DIM. REPLACED BATTERIES, OPERATIONAL CHECK NORMAL. - [SDR 9617479964](https://openairdocs.org/sdr/9617479964.md): Bulkhead Doubler · cracked · Jul 26, 1996 · N912RW · Doug DC931 · Fuselage Main, Bulkhead > DURING M-CHECK, FOUND A 3 INCH CRACK IN THE AFT PRESSURE BULKHEAD UPPER CORNER DOUBLER AND WEB SKINS. REPAIRED SAME (P/N 5910130-13, -111, -113) PER EA DC9 53-023. - [SDR 9616259964](https://openairdocs.org/sdr/9616259964.md): Ground Wire · broken · Jul 26, 1996 · N912RW · Doug DC931 · Emergency Lighting > DURING PERIODIC CHECK, FOUND MID-CABIN OVERHEAD EMERGENCY LIGHTS INOPERATIVE. REPAIRED BROKEN GROUND WIRE AT BATTERY PACK. OPERATIONAL CHECK NORMAL. - [SDR 9616469964](https://openairdocs.org/sdr/9616469964.md): Frame · corroded · Jul 5, 1996 · N912RW · Doug DC931 · Fuselage Main, Frame > DURING M-CHECK, FOUND A CRACK IN THE FS 718 FRAME, LEFT SIDE, AT THE LOWER FORWARD POCKET. REPAIRED FRAME (P/N 9919618-1) PER EA 99-108580. - [SDR 9608999964](https://openairdocs.org/sdr/9608999964.md): Outflow Valve · malfunctioned · Apr 21, 1996 · N912RW · Doug DC931 · Pressure Regulator/Outflow Valve > AIRCRAFT WOULD NOT PRESSURIZE IN AUTO MODE AFTER TAKEOFF. OUTFLOW VALVE WORKED NORMALLY IN MANUAL POSITION. FLIGHT RETURNED TO MSP AND LANDED WITHOUT INCIDENT. MAINTENANCE REPLACED CABIN PRESSURE AMPLIFIER AND OUTFLOW VALVE ACTUATOR, OPERATIONAL CHECK NORMA - [SDR 9518509964](https://openairdocs.org/sdr/9518509964.md): Csd · failed · Nov 18, 1995 · N912RW · Doug DC931 · Alternator-Generator Drive > DURING CRUISE, THE RIGHT ENGINE CONSTANT SPEED DRIVE HAD A HIGH TEMPERATURE INDICATION AND THE RIGHT GENERATOR TRIPPED OFF LINE. FOLLOWED COCKPIT OPERATING MANUAL PROCEDURES. FLIGHT DIVERTED TO YYZ AND LANDED WITHOUT INCIDENT. REPLACED THE RIGHT ENGINE CONS - [SDR 9511249964](https://openairdocs.org/sdr/9511249964.md): Handle · out of adjust · Jul 24, 1995 · N912RW · Doug DC931 · Aerodynamic Fairings > DURING H-CHECK, FOUND THAT EXCESSIVE FORCE WAS REQUIRED TO RELEASE THE HANDLE FROM THE CLIPS. ADJUSTED THE HANDLE PER MAINTENANCE MANUAL 53-50-03. - [SDR 9511929964](https://openairdocs.org/sdr/9511929964.md): Web · oil canned · Jul 19, 1995 · N912RW · Doug DC931 · Nacelle/Pylon, Bulkhead/Firewall > DURING H-CHECK, FOUND OIL CANNING IN THE PYLON BULKHEAD WEB LEFT AND RIGHT SIDES. REPAIRED WEB (P/N 9912243-81,-4) PER EA 99-100828. - [SDR 9511299964](https://openairdocs.org/sdr/9511299964.md): Blkhd Fitting · cracked · Jul 17, 1995 · N912RW · Doug DC931 · Fuselage Main, Bulkhead > DURING H-CHECK, FOUND A ONE INCH CRACK IN THE PRESSURE BULKHEAD WING SPAR TO T-CAP ATTACH FITTING AT LONGERON 24L. REPLACED FITTING PER SRM 51-30-5. - [SDR 9511019964](https://openairdocs.org/sdr/9511019964.md): Fitting · cracked · Jul 13, 1995 · N912RW · Doug DC931 · Fuselage Miscellaneous Structure > DURING "H" CHECK, FOUND CORROSION ON THE FORWARD SERVICE DOOR JAMB FITTING LOWER FORWARD CORNER. REPLACED FITTING PER SRM 51-30-5. - [SDR 9508959964](https://openairdocs.org/sdr/9508959964.md): Heat Exchanger · inoperative · Jun 2, 1995 · N912RW · Doug DC931 · Cabin Pressure Control System > AIRCRAFT WOULD NOT PRESSURIZE AFTER TAKEOFF. CABIN ALTITUDE WAS CLIMBING AT AN EXCESSIVE RATE. FLIGHT RETURNED TO DTW AND LANDED WITHOUT INCIDENT. REPLACED HEAT EXCHANGER. LEAK AND OPERATIONAL CHECK GOOD, AIRCRAFT RETURNED TO SERVICE. - [SDR 9508499964](https://openairdocs.org/sdr/9508499964.md): Controller · malfunctioned · May 14, 1995 · N912RW · Doug DC931 · Cabin Pressure Controller > DURING CRUISE AT 33,000 FEET, CABIN PRESSURE ANNUNCIATOR LIGHT ILLUMINATED. CABIN ALTITUDE ROSE ABOVE 10,000 FEET AND OXYGEN MASKS WERE DEPLOYED THROUGHOUT THE CABIN. EMERGENCY DESCENT WAS INITIATED AND FLIGHT DIVERTED TO GSP. REPLACED THE CABIN PRESSURE CO ## 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 = 'N912RW' AND deregistration_id = 'N912RW-2001-12-18' ORDER BY difficulty_date DESC ``` This list as a web page: https://openairdocs.org/deregistered/N912RW-2001-12-18/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.