# N9331: 1968 Douglas DC-9-31, registration cancelled 2008-05-19 - Type: Cancelled registration (FAA registry, deregistered aircraft) - Cancelled: May 19, 2008 - 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-1](https://openairdocs.org/engine/pratt-whitney-jt8d-1) (registry code 52044) - Data sheets: [TCDS A6WE](https://openairdocs.org/tcds/A6WE), [TCDS E2EA](https://openairdocs.org/tcds/E2EA) (OpenAirDocs) - Serial number: 47263 - Year built: 1968 - Type of aircraft: Fixed wing multi engine - Engine type: Turbo-jet - Airworthiness: Standard - Certificate issued: December 22, 1986 - Last registry action: October 16, 2007 - Mode S code: ACF349 - 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/N9331 - FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=9331 - Page: https://openairdocs.org/deregistered/N9331-2008-05-19 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 (44) Matched to this aircraft by N-number and event date, checked against the reported serial number, make and model. - [SDR NWAA073189967](https://openairdocs.org/sdr/NWAA073189967), Sep 14, 2007: ENGINE. SEIZED. DURING APPROACH AT 1000 FEET FLIGHT CREW HEARD A LOUD BANG AND FELT AIRCRAFT YAW. FLIGHT CREW LOG ENTRY STATES ENGINE "SEIZED" AND N1, N2 INDICATING 0. FLIGHT C - [SDR 0500169967](https://openairdocs.org/sdr/0500169967), Feb 8, 2005: ANGLE. CORRODED. DURING M-CHECK FOUND CORROSION ON LT CUSP TEE ANGLE. REPAIRED PER EA 99-200923. - [SDR 0104899967](https://openairdocs.org/sdr/0104899967), Dec 12, 2001: BULKHEAD. CRACKED. During Hck at ATL, cracks were found in the staion 756 bulkhead. The cracks are located in the upper ends of the verticle stiffener at x=12LH .90", X=24RH 1.00" - [SDR 0104799967](https://openairdocs.org/sdr/0104799967), Nov 28, 2001: PRESSURE PANEL. CRACKED. During Hck in ATL, a .25" crack was found in the flight compartment horizontal pressure panel at station 105. The crack is located at x=-25. This EA authorizes - [SDR 0000339967](https://openairdocs.org/sdr/0000339967), Feb 8, 2000: SEAL. FAILED. DURING FLIGHT, THE FLIGHT ATTENDANTS REPORTED THE FORWARD AND AFT LAVATORY SMOKE ALARMS SOUNDED AND HAZE IN THECABIN. THE FLIGHT CREW DECLARED AN EMERGENCY AND - [SDR 9810799967](https://openairdocs.org/sdr/9810799967), Dec 1, 1998: DOUBLER. CRACKED. DURING PERIODIC CHECK, FOUND FLIGHT COMPARTMENT PRESSURE PANEL CRACKED OUTBOARD OF BEAM AT FS 105 ON RIGHT SIDE. INSTALLED FILLER, DOUBLER, AND NEW FITTING 4912 - [SDR 9810789967](https://openairdocs.org/sdr/9810789967), Dec 1, 1998: BULKHEAD SKIN. CRACKED. DURING PERIODIC CHECK, FOUND NOSE WHEEL WELL VERTICAL BULKHEAD SKIN CRACKED AT FS 110 IN TWO PLACES, APPROXIMATED 5.5 INCHES LEFT OF CENTER LOWER LEFT PANEL. IN - [SDR 9806149967](https://openairdocs.org/sdr/9806149967), Apr 7, 1998: SLIDE. LOW PRESSURE. DURING LINE MAINTENANCE INSPECTION, FOUND TAIL CONE EVACUATION SLIDE BOTTLE LOW ON PRESSURE. REPLACED SLIDE. - [SDR 9804119967](https://openairdocs.org/sdr/9804119967), Mar 9, 1998: WIRE. BROKEN. DURING LINE MAINTENANCE INSPECITON, FOUND EMERGENCY LIGHTS ON TAIL CONE WALKWAY AND RIGHT RELEASE HANDLE INOPERATIVE. REPAIRED TWO BROKEN WIRES IN TAIL CONE AND - [SDR 9723489967](https://openairdocs.org/sdr/9723489967), Nov 12, 1997: SKIN. CRACKED. DURING LINE CHECK, FOUND CRACK IN FUSELAGE SKIN ABOVE PILOT'S PITOT TUBE FS 69.5. REPAIRED PER EA 99-152748. - [SDR 9717889967](https://openairdocs.org/sdr/9717889967), Sep 18, 1997: DOOR LIGHT. ILLUMINATED. LANDING GEAR DOOR OPEN LIGHT REMAINED ON AFTER TAKEOFF. CREW RECYCLED GEAR AND NORMAL INDICATIONS WERE ACHIEVED. FLIGHT CONTINUED TO DESTINATION AND LANDED WITH - [SDR 9717419967](https://openairdocs.org/sdr/9717419967), Sep 14, 1997: BATTERY PACK. DISCHARGED. FLIGHT ATTENDANT REPORTED FLASHLIGHT RED CHARGE LIGHT NOT FLASHING. REPLACED BATTERY PACK, OPERATIONAL CHECK OK. - [SDR 9715439967](https://openairdocs.org/sdr/9715439967), Aug 12, 1997: BATTERY. DISCHARGED. FLIGHT ATTENDANT REPORTED AFT EMERGENCY FLASHLIGHT NOT BLINKING. REPLACED BATTERY, OPERATIONAL CHECK OK. - [SDR 9714989967](https://openairdocs.org/sdr/9714989967), Jul 26, 1997: DOUBLER. CORRODED. DURING L-CHECK, FOUND CORROSION ON EXTERIOR DOUBLER STR 439 TO 465, LONGERON 28L TO 29R. REPAIRED PER EA 99-113395. - [SDR 9714259967](https://openairdocs.org/sdr/9714259967), Jul 8, 1997: SKIN. CRACKED. DURING LINE CHECK, FOUND CRACKS IN THE SKIN RADIATING FROM RIVET HEAD AT FS 371, LONGERON 29R. REPAIRED PER EA 99-113351. - [SDR 9707559967](https://openairdocs.org/sdr/9707559967), Apr 12, 1997: ELECTRICAL SYST. ODOR. FLIGHT ATTENDANT REPORTED ELECTRICAL SMELL IN AFT RIGHT CABIN AREA. FLIGHT RETURNED TO MSP AND LANDED WITHOUT INCIDENT. MAINTENANCE OPERATED BOTH AFT LAVATORY M - [SDR 9707489967](https://openairdocs.org/sdr/9707489967), Apr 10, 1997: POWER LEVER. STUCK. AS POWER WAS REDUCED DURING APPROACH, THE RIGHT ENGINE POWER LEVER BOUND MOMENTARILY. CREW ADVANCED AND RETARDED THE RIGHT POWER LEVER, NORMAL OPERATION RETURNE - [SDR 9705329967](https://openairdocs.org/sdr/9705329967), Mar 13, 1997: BATTERIES. DISCHARGED. DURING LINE MAINTENANCE INSPECTION, OVERHEAD EMERGENCY LIGHTS AT FORWARD GALLEY TO ROW 2 FAILED TO TEST. MAINTENANCE REPLACED BATTERIES. OPERATIONAL CHECK NORMA - [SDR 9700489967](https://openairdocs.org/sdr/9700489967), Jan 12, 1997: WIRE. BROKEN. DURING LINE MAINTENANCE INSPECTION, FOUND AFT AIRSTAIR EMERGENCY TRACK LIGHTING INOPERATIVE. MAINTENANCE REPLACED BAD SPLICE UPSTREAM OF CATWALK LIGHT POWER SUP - [SDR 9700209967](https://openairdocs.org/sdr/9700209967), Jan 8, 1997: POWER SUPPLY. MALFUNCTIONED. DURING LINE MAINTENANCE INSPECTION, FOUND AFT OVERWING EXIT EMERGENCY SIGN LIGHTS INOPERATIVE. REPLACED POWER SUPPLY AND BATTERIES, OPERATIONAL CHECK NORMAL. - [SDR 9626639967](https://openairdocs.org/sdr/9626639967), Dec 17, 1996: CONNECTOR. BROKEN. DURING LINE MAINTENANCE INSPECTION, FOUND EMERGENCY LIGHTS BETWEEN ROWS 14 THROUGH 17 INOPERATIVE. REPAIRED CONNECTOR IN CEILING AT ROW 17, OPERATIONAL CHECK NO - [SDR 9625829967](https://openairdocs.org/sdr/9625829967), Dec 3, 1996: CONNECTOR. NOT SEATED. DURING LINE MAINTENANCE INSPECTION, FOUND EMERGENCY LIGHTS BETWEEN ROWS 14 AND 17 INOPERATIVE. MAINTENANCE RESEATED CONNECTION AT ROW 14. OPERATIONAL CHECK NORM - [SDR 9625229967](https://openairdocs.org/sdr/9625229967), Nov 22, 1996: BATTERY PACK. DISCHARGED. DURING LINE MAINTENANCE INSPECTION, FOUND LEFT NACELLE EMERGENCY LIGHT INOPERATIVE. REPLACED BATTERY PACK, OPERATIONAL CHECK NORMAL. - [SDR 9620879967](https://openairdocs.org/sdr/9620879967), Sep 30, 1996: SWITCHES. MALFUNCTIONED. PRIMARY LONGITUDINAL TRIM FAILED AFTER TAKEOFF. FLIGHT RETURNED TO MSP AND LANDED WITHOUT INCIDENT. MAINTENANCE REPLACED FIRST OFFICER'S PRIMARY TRIM SWITCHES, - [SDR 9619919967](https://openairdocs.org/sdr/9619919967), Sep 15, 1996: SWITCH. STUCK. DURING CLIMB, COULD NOT PRESSURIZE THE AIRCRAFT AND NOTED EXCESSIVE NOISE FROM THE AREA FORWARD OF THE INSTRUMENT PANEL. THE AUTO PRESSURIZATION AND DOOR WARNIN - [SDR 9615719967](https://openairdocs.org/sdr/9615719967), Jul 20, 1996: POWER SUPPLY. INOPERATIVE. DURING LINE MAINTENANCE INSPECTION, FOUND FORWARD CABIN EMERGENCY LIGHTS INOPERATIVE. REPLACED POWER SUPPLY. OPERATIONAL CHECK NORMAL. - [SDR 9613899967](https://openairdocs.org/sdr/9613899967), Jun 23, 1996: FUSE. BLOWN. DURING LINE MAINTENANCE, FOUND EMERGENCY EXIT SIGN AT MAIN CABIN DOOR INOPERATIVE. REPLACED FUSE, OPERATIONAL CHECK NORMAL. - [SDR 9605339967](https://openairdocs.org/sdr/9605339967), Mar 5, 1996: BATTERY PACK. DISCHARGED. DURING LINE MAINTENANCE INSPECTION, FOUND MAIN CABIN OVERHEAD EMERGENCY LIGHTS INOPERATIVE AT ROWS 12 AND 14. REPLACED BATTERY PACK. OPERATIONAL CHECK NORMAL. - [SDR 9603059967](https://openairdocs.org/sdr/9603059967), Feb 3, 1996: SLIDE. LOW PRESSURE. DURING LINE MAINTENANCE INSPECTION, FOUND MAIN CABIN DOOR EVACUATION SLIDE LOW ON PRESSURE. REPLACED SLIDE. - [SDR 9602169967](https://openairdocs.org/sdr/9602169967), Jan 27, 1996: GEAR LIGHT. MALFUNCTIONED. DURING APPROACH INTO MSP, THE RIGHT MAIN LANDING GEAR GREEN LIGHT DID NOT ILLUMINATE AFTER GEAR WAS EXTENDED. RECYCLED GEAR AND NORMAL INDICATIONS WERE ACHIEVED - [SDR 9601269967](https://openairdocs.org/sdr/9601269967), Jan 20, 1996: GENERATOR. FAILED. DURING TAKEOFF, THE GLIDESCOPE, SPEED COMMAND AND COMPASS FLAGS CAME ON. ALSO, THE NR 1 EPR GAUGE INDICATOR STARTED TO DECREASE. ABORTED TAKEOFF AND RETURNED TO - [SDR 9601239967](https://openairdocs.org/sdr/9601239967), Jan 20, 1996: EPR INDICATION. MALFUNCTIONED. AS TAKEOFF POWER WAS APPLIED, THE NR 1 ENGINE EPR INDICATION STARTED DECREASING. THE TAKEOFF WAS ABORTED AND THE AIRCRAFT RETURNED TO THE GATE. MAINTENANCE INSP - [SDR 9601069967](https://openairdocs.org/sdr/9601069967), Jan 18, 1996: BATTERY PACK. DISCHARGED. DURING LINE CHECK, FOUND EMERGENCY FLOOR LIGHTS INOPERATIVE. REPLACED BATTERY PACK AND OPERATIONAL CHECK GOOD. - [SDR 9600269967](https://openairdocs.org/sdr/9600269967), Jan 6, 1996: WIRE. FAILED. WIRING FOR EMERGENCY FLOOR TRACK LIGHTING AT ROW 15 IS LOOSE AND EXPOSED. FOUND WIRE FOR LIGHT AT ROWS 16 AND 18 PULLED OUT OF THE SOCKET. REPAIRED WIRE AND REP - [SDR 9600159967](https://openairdocs.org/sdr/9600159967), Jan 5, 1996: RELAY. FAILED. DURING APPROACH, THE RIGHT MAIN LANDING GEAR GREEN DOWN LIGHT DID NOT ILLUMINATE AFTER LANDING GEAR EXTENSION. VISUALLY CONFIRMED LANDING GEAR WAS DOWN AND LOCK - [SDR 9516149967](https://openairdocs.org/sdr/9516149967), Oct 14, 1995: PWR LEVER BOLT. BROKEN. NR 1 ENGINE STOPPED RESPONDING TO POWER LEVER INPUTS, THEN ACCELERATED TO FULL THRUST. THE ENGINE WAS SHUTDOWN AND THE FLIGHT WAS CONCLUDED WITHOUT INCIDENT. MA - [SDR 9515399967](https://openairdocs.org/sdr/9515399967), Oct 12, 1995: CLIPS. OUT OF ADJUST. DURING H-CHECK, FOUND THAT EXCESSIVE FORCE WAS REQUIRED TO REMOVED THE EXTERIOR TAILCONE HANDLE FROM THE CLIPS. ADJUSTED THE CLIPS, CHECKED OK. - [SDR 9515379967](https://openairdocs.org/sdr/9515379967), Oct 9, 1995: RELEASE MECH. WORN. DURING H-CHECK, FOUND THAT INADEQUATE FORCE WAS REQUIRED TO RELEASE THE AFT RIGHT EMERGENCY OVERING EXIT. REPLACED THE DOOR AND RIGGED PER MM 52-21-501. - [SDR 9515549967](https://openairdocs.org/sdr/9515549967), Oct 5, 1995: BLKHD FITTING. CRACKED. DURING H-CHECK, FOUND CRACKS IN THE FS 756 FORWARD BULKHEAD FITTINGS, SECOND FROM THE TOP AND SECOND FROM THE BOTTOM. REPLACED BOTH FITTINGS PER SRM 51-30-02 AN - [SDR 9516389967](https://openairdocs.org/sdr/9516389967), Oct 4, 1995: SEAT TRACK. CORRODED. DURING H-CHECK, FOUND CORROSION ON THE RIGHT INBOARD SEAT TRACK AT FS 240. REPAIRED TRACK (P/N 5910820-5), PER EA 99-103299. - [SDR 9516379967](https://openairdocs.org/sdr/9516379967), Oct 1, 1995: BLKHD WEB. OIL CANNED. DURING H-CHECK, FOUND OIL CANNING IN THE FS 965 PYLON BULKHEAD WEB, LEFT SIDE. REPAIRED WEB (P/N 9912243-3), PER EA 99-103284. - [SDR 9515199967](https://openairdocs.org/sdr/9515199967), Sep 28, 1995: FITTING. CRACKED. DURING H-CHECK, FOUND A CRACK IN THE FS 996 FLOORBEAM END FITTING AT THE RIGHT CUSP. REPLACED FITTING PER SRM 51-30. - [SDR 9515179967](https://openairdocs.org/sdr/9515179967), Sep 27, 1995: HINGE FTG. CORRODED. DURING H-CHECK, FOUND CORROSION IN THE NR 3 FORWARD FLAP HINGE BEARING RETAINER PLATE FASTENER HOLES. REPLACED HINGE FITTING (P/N 5919217-502), PER CITEXT 09-57 - [SDR 9500919967](https://openairdocs.org/sdr/9500919967), Jan 13, 1995: FITTING. CRACKED. DURING LINE CHECK, FOUND CRACK IN INBOARD SPOILER FITTING LEFT WING. REPLACED FITTING. ## Other aircraft with N9331 - [Cancelled 1940-03-01](https://openairdocs.org/deregistered/N9331-1940-03-01): Arrow Aircraft & Motors ARROW SPORT, S/N 347. Owner: [Falcon Aircraft Corporation](https://openairdocs.org/faa-owner/FALCON%20AIRCRAFT%20CORPORATION), [Los Angeles, CA](https://openairdocs.org/faa-place/CA/Los%20Angeles) --- 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.