# N912RW: 1968 Douglas DC-9-31, registration cancelled 2001-12-18 - Type: Cancelled registration (FAA registry, deregistered aircraft) - Cancelled: December 18, 2001 - Status when cancelled: Triennial form not returned - Airframe: [Douglas DC-9-31](https://openairdocs.org/model/douglas-dc-9-31) (registry code 3022065) - Engine: [Pratt & Whitney JT8D-9 series](https://openairdocs.org/engine/pratt-whitney-jt8d-9-series) (registry code 52048) - Data sheets: [TCDS A6WE](https://openairdocs.org/tcds/A6WE), [TCDS E2EA](https://openairdocs.org/tcds/E2EA) (OpenAirDocs) - Serial number: 47150 - Year built: 1968 - Type of aircraft: Fixed wing multi engine - Engine type: Turbo-jet - Airworthiness: Standard, transport - Airworthiness date: April 23, 1976 - Certificate issued: December 22, 1986 - Last registry action: October 16, 2001 - Mode S code: AC9FA5 - Owner when cancelled: [Northwest Airlines Inc](https://openairdocs.org/faa-owner/NORTHWEST%20AIRLINES%20INC) - Location: [St Paul, MN](https://openairdocs.org/faa-place/MN/St%20Paul) - Owner type: Corporation - Owner's area on the map: 44.8873° N, 93.1924° W: Placed by OpenAirDocs at the center of ZIP code 55111, within about a mile (OpenAirDocs). The owner's mailing address, not where the aircraft was based - The mark today: https://openairdocs.org/aircraft/N912RW - FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=912RW - Page: https://openairdocs.org/deregistered/N912RW-2001-12-18 From the FAA registry file of October 29, 2026, cancelled registrations. Owners' street addresses are left out. The Mode S code belongs to the N-number, not the airframe. ADs and bulletins for the Douglas DC-9-31: https://openairdocs.org/model/douglas-dc-9-31.md ## Service difficulty reports (38) Matched to this aircraft by N-number and event date, checked against the reported serial number, make and model. - [SDR 9901749964](https://openairdocs.org/sdr/9901749964), May 15, 1999: WIRE. CHAFED. DURING MAINTENANCE INSPECTION, FOUND CATWALK VENTRAL STAIRS AND INTERIOR TAIL CONE RELEASE HANDLE EMERGENCY LIGHTS INOPERATIVE. MAINTENANCE REPAIRED CHAFED WIRE - [SDR 9901709964](https://openairdocs.org/sdr/9901709964), May 13, 1999: BATTERY PACK. DISCHARGED. 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), Apr 21, 1999: BATTERY PACK. DISCHARGED. DURING LINE MAINTENANCE INSPECTION, FOUND AFT CATWALK EMERGENCY LIGHTS INOPERATIVE. REPLACED BATTERY PACK. OPERATIONAL CHECK NORMAL. - [SDR 9901109964](https://openairdocs.org/sdr/9901109964), Mar 18, 1999: BATTERY PACK. DISCHARGED. DURING LINE MAINTENANCE INSPECTION, FOUND CATWALK EMERGENCY LIGHTS INOPERATIVE. REPLACED BATTERY PACK, OPERATIONAL CHECK NORMAL. - [SDR 9901099964](https://openairdocs.org/sdr/9901099964), Mar 17, 1999: POWER SUPPLY. INOPERATIVE. DURING LINE MAINTENANCE INSPECTION, FOUND CATWALK EMERGENCY LIGHTS INOPERATIVE. REPLACED POWER SUPPLY, OPERATIONAL CHECK NORMAL. - [SDR 9811059964](https://openairdocs.org/sdr/9811059964), Dec 28, 1998: POWER SUPPLY. INOP. DURING LINE CHECK, FOUND CATWALK EMERGENCY EXIT LIGHTS INOPERATIVE. MAINTENANCE REPLACED POWER SUPPLY, OPERATIONAL CHECK NORMAL. - [SDR 9811049964](https://openairdocs.org/sdr/9811049964), Dec 24, 1998: POWER SUPPLY. INOP. DURING B-CHECK, FOUND CATWALK EMERGENCY EXIT LIGHTS INOPERATIVE. MAINTENANCE REPLACED POWER SUPPLY, OPERATIONAL CHECK NORMAL. - [SDR 9810939964](https://openairdocs.org/sdr/9810939964), Dec 16, 1998: BATTERY PACK. DISCHARGED. DURING LINE MAINTENANCE INSPECTION, FOUND CATWALK EMERGENCY LIGHTS INOPERATIVE. REPLACED BATTERY PACK. OPERATIONAL CHECK NORMAL. - [SDR 9802069964](https://openairdocs.org/sdr/9802069964), Feb 1, 1998: BATTERY. DISCHARGED. FLIGHT ATTENDANT REPORTED, FORWARD EMERGENCY FLASHLIGHT NOT BLINKING. REPLACED BATTERY, OPERATIONAL CHECK NORMAL. - [SDR 9711649964](https://openairdocs.org/sdr/9711649964), Jun 15, 1997: THERMOSTAT. FAILED. RIGHT ICE PROTECTION TEMPERATURE HIGH LIGHT ACCOMPANIED BY PRESSURE ABNORMAL LIGHT ILLUMINATED AFTER TAKEOFF. CREW TURNED OFF RIGHT SYSTEM AND LEFT ICE PROTECTI - [SDR 9710829964](https://openairdocs.org/sdr/9710829964), Jun 5, 1997: BATTERIES. NOT SEATED. DURING LINE MAINTENANCE INSPECTION, FOUND ONE SECTION OF OVERHEAD EMERGENCY LIGHTS INOPERATIVE. RESEATED BATTERIES IN PACK AT CENTER CABIN OVERHEAD, OPERATIONAL - [SDR 9708429964](https://openairdocs.org/sdr/9708429964), Apr 26, 1997: CLAMP. LOOSE. TAIL COMPARTMENT TEMPERATURE HIGH LIGHT WITH MASTER WARNING LIGHT ILLUMINATED AFTER TAKEOFF. CREW DECLARED AN EMERGENCY AND FLIGHT WAS RETURNED TO MSP WITHOUT I - [SDR 9705629964](https://openairdocs.org/sdr/9705629964), Mar 18, 1997: BATTERY PACK. DISCHARGED. DURING PERIODIC CHECK, FOUND LEFT AND RIGHT NACELLE EMERGENCY LIGHTS INOPERATIVE. MAINTENANCE REPLACED RELAY R2-213 AND BOTH NACELLE BATTERY PACKS. OPERATIONAL - [SDR 9706969964](https://openairdocs.org/sdr/9706969964), Mar 15, 1997: FRAME. CORRODED. 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), Mar 15, 1997: FITTING. CRACKED. DURING L-CHECK, FOUND CRACK IN LEFT SUPPORT FITTING FOR TAIL SKID. REPAIRED PER EA 99-112284. - [SDR 9705309964](https://openairdocs.org/sdr/9705309964), Mar 5, 1997: BATTERY PACK. DISCHARGED. DURING LINE MAINTENANCE INSPECTION, FOUND LEFT AND RIGHT NACELLE EMERGENCY LIGHTS INOPERATIVE. MAINTENANCE REPLACED RELAY R2-213 AND BOTH BATTERY PACKS. OPERATI - [SDR 9704749964](https://openairdocs.org/sdr/9704749964), Mar 5, 1997: BATTERY PACK. DISCHARGED. DURING LINE MAINTENANCE INSPECTION, FOUND EMERGENCY LIGHTS REMAINING ON WITH APU SHUT DOWN AND BATTERY SWITCH OFF. REPLACED BATTERY PACKS, OPERATIONAL CHECK NOR - [SDR 9704579964](https://openairdocs.org/sdr/9704579964), Mar 1, 1997: BATTERY PACK. DISCHARGED. 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), Feb 24, 1997: PT2 PROBE. ICED UP. 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 - [SDR 9703959964](https://openairdocs.org/sdr/9703959964), Feb 24, 1997: BATTERY PACK. DISCHARGED. DURING LINE MAINTENANCE INSPECTION, FOUND BOTH NACELLE EMERGENCY LIGHTS INOPERATIVE. REPLACED BOTH BATTERY PACKS. OPERATIONAL CHECK NORMAL. - [SDR 9700319964](https://openairdocs.org/sdr/9700319964), Jan 4, 1997: BATTERIES. DISCHARGED. DURING LINE MAINTENANCE INSPECTION, FOUND AFT OVERWING EXIT EMERGENCY LIGHTS INOPERATIVE. REPLACED BATTERIES, OPERATIONAL CHECK NORMAL. - [SDR 9700199964](https://openairdocs.org/sdr/9700199964), Jan 4, 1997: BATTERIES. DISCHARGED. DURING LINE MAINTENANCE INSPECTION, FOUND AFT OVERWING EXIT EMERGENCY LIGHTS INOPERATIVE. REPLACED BATTERIES, OPERATIONAL CHECK NORMAL. - [SDR 9626899964](https://openairdocs.org/sdr/9626899964), Dec 24, 1996: EPR LINE. FROZEN. 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 - [SDR 9624859964](https://openairdocs.org/sdr/9624859964), Nov 16, 1996: WINDSHIELD. SHATTERED. 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), Oct 19, 1996: POWER SUPPLY. INOPERATIVE. DURING LINE MAINTENANCE INSPECTION, FOUND RIGHT ENGINE NACELLE EMERGENCY LIGHTS INOPERATIVE. REPLACED POWER SUPPLY, OPERATIONAL CHECK NORMAL. - [SDR 9618389964](https://openairdocs.org/sdr/9618389964), Aug 22, 1996: POWER SUPPLY. MALFUNCTIONED. DURING LINE MAINTENANCE INSPECTION, FOUND TAIL COMPARTMENT EMERGENCY LIGHTS INOPERATIVE. REPLACED POWER SUPPLY, OPERATIONAL CHECK NORMAL. - [SDR 9618059964](https://openairdocs.org/sdr/9618059964), Aug 17, 1996: BATTERIES. DISCHARGED. DURING LINE MAINTENANCE INSPECTION, FOUND AFT TAILCONE AND CATWALK EMERGENCY LIGHTS DIM. REPLACED BATTERIES, OPERATIONAL CHECK NORMAL. - [SDR 9617479964](https://openairdocs.org/sdr/9617479964), Jul 26, 1996: BULKHEAD DOUBLER. CRACKED. 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 53-0 - [SDR 9616259964](https://openairdocs.org/sdr/9616259964), Jul 26, 1996: GROUND WIRE. BROKEN. 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), Jul 5, 1996: FRAME. CORRODED. 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), Apr 21, 1996: OUTFLOW VALVE. MALFUNCTIONED. AIRCRAFT WOULD NOT PRESSURIZE IN AUTO MODE AFTER TAKEOFF. OUTFLOW VALVE WORKED NORMALLY IN MANUAL POSITION. FLIGHT RETURNED TO MSP AND LANDED WITHOUT INCIDENT. - [SDR 9518509964](https://openairdocs.org/sdr/9518509964), Nov 18, 1995: CSD. FAILED. DURING CRUISE, THE RIGHT ENGINE CONSTANT SPEED DRIVE HAD A HIGH TEMPERATURE INDICATION AND THE RIGHT GENERATOR TRIPPED OFF LINE. FOLLOWED COCKPIT OPERATING MANU - [SDR 9511249964](https://openairdocs.org/sdr/9511249964), Jul 24, 1995: HANDLE. OUT OF ADJUST. 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), Jul 19, 1995: WEB. OIL CANNED. 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), Jul 17, 1995: BLKHD FITTING. CRACKED. 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), Jul 13, 1995: FITTING. CRACKED. 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), Jun 2, 1995: HEAT EXCHANGER. INOPERATIVE. AIRCRAFT WOULD NOT PRESSURIZE AFTER TAKEOFF. CABIN ALTITUDE WAS CLIMBING AT AN EXCESSIVE RATE. FLIGHT RETURNED TO DTW AND LANDED WITHOUT INCIDENT. REPLACED HEAT - [SDR 9508499964](https://openairdocs.org/sdr/9508499964), May 14, 1995: CONTROLLER. MALFUNCTIONED. 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 ## FAA accident and incident reports (5) From the FAA Accident/Incident Data System. Reports are matched to registry aircraft by N-number and event date, checked against the reported make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model. - [Incident 19940428013649I](https://openairdocs.org/incident/19940428013649I), Apr 28, 1994: Doug DC931 (N912RW), Buffalo, NY, Minor damage. Experienced loud noise and yaw enroute. Right cowling blew off. Diverted to Buffalo. - [Incident 19930322012189I](https://openairdocs.org/incident/19930322012189I), Mar 22, 1993: Doug DC931 (N912RW), Wichita, KS. Lost pressure when airfoil de ice system turned on. Landed at destination. Right air conditioning pack hose failed. - [Incident 19910405012439I](https://openairdocs.org/incident/19910405012439I), Apr 5, 1991: Doug DC931 (N912RW), Memphis, TN. Lost pressurization on descent. Oxygen mask deployed. Landed safely. Replaced pressure controller. - [Incident 19880105004639I](https://openairdocs.org/incident/19880105004639I), Jan 5, 1988: Doug DC931 (N912RW), Great Falls, MT. Returned to airport, had a pressurization system problem. Found ground shift mechanism had frozen in ground mode. - [Incident 19870920069509I](https://openairdocs.org/incident/19870920069509I), Sep 20, 1987: Doug DC931 (N912RW), Memphis, TN. Rudder had a tendency to hunt on takeoff roll. Aborted. Replaced yaw damper actuator. --- 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.