# N1799U: 1969 Douglas DC-9-31, registration cancelled 2010-08-11 - Type: Cancelled registration (FAA registry, deregistered aircraft) - Cancelled: August 11, 2010 - Status when cancelled: Valid registration - Airframe: [Douglas DC-9-31](https://openairdocs.org/model/douglas-dc-9-31) (registry code 3022065) - Engine: [Pratt & Whitney JT8D-5](https://openairdocs.org/engine/pratt-whitney-jt8d-5) (registry code 52046) - Data sheets: [TCDS A6WE](https://openairdocs.org/tcds/A6WE), [TCDS E2EA](https://openairdocs.org/tcds/E2EA) (OpenAirDocs) - Serial number: 47370 - Year built: 1969 - Type of aircraft: Fixed wing multi engine - Engine type: Turbo-jet - Airworthiness: Special flight permit - Airworthiness date: June 22, 1973 - Certificate issued: December 31, 2009 - Last registry action: December 31, 2009 - Mode S code: A13E42 - Owner when cancelled: [Delta Air Lines Inc](https://openairdocs.org/faa-owner/DELTA%20AIR%20LINES%20INC) - Location: [Atlanta, GA](https://openairdocs.org/faa-place/GA/Atlanta) - Owner type: Corporation - Owner's area on the map: 33.6604° N, 84.3865° W: Placed by OpenAirDocs at the center of ZIP code 30354, within about 2 miles (OpenAirDocs). The owner's mailing address, not where the aircraft was based - The mark today: https://openairdocs.org/aircraft/N1799U - FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=1799U - Page: https://openairdocs.org/deregistered/N1799U-2010-08-11 From the FAA registry file of November 3, 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 (47) Matched to this aircraft by N-number and event date, checked against the reported serial number, make and model. - [SDR DALA1013589936](https://openairdocs.org/sdr/DALA1013589936), Jun 17, 2010: SKIN. CRACKED. DURING LINE CHECK FOUND CRACK IN FORWARD ENTRY DOOR INNER SKIN AT FASTENER HOLE. R & R LOWER AFT DOOR INNER SKIN IAW SRM. - [SDR DALA106169936](https://openairdocs.org/sdr/DALA106169936), Mar 21, 2010: BATTERY PACK. DISCHARGED. DURING LINE CHECK, MAINTENANCE FOUND THAT THE EMERGENCY PATHWAY LIGHTING IN ROWS 18-21 OF THE CABIN WERE INOPERATIVE. MAINTENANCE REPLACED THE BATTERY PACK AND - [SDR DALA106159936](https://openairdocs.org/sdr/DALA106159936), Mar 21, 2010: BATTERY PACK. DISCHARGED. DURING LINE CHECK, MAINTENANCE FOUND THAT THE EMERGENCY PATHWAY LIGHTING FOR THE CATWALK IN THE TAIL COMPARTMENT WAS INOPERATIVE. MAINTENANCE REPLACED THE BATTE - [SDR DALA106159336](https://openairdocs.org/sdr/DALA106159336), Mar 21, 2010: BATTERY PACK. DISCHARGED. DURING LINE CHECK, MAINTENANCE FOUND THAT THE EMERGENCY PATHWAY LIGHTING FOR THE CATWALK IN THE TAIL COMPARTMENT WAS INOPERATIVE. MAINTENANCE REPLACED THE BATTE - [SDR DALA103719936](https://openairdocs.org/sdr/DALA103719936), Feb 14, 2010: POWER SUPPLY. INOPERATIVE. DURING LINE CHECK, MX FOUND THAT THE EMERGENCY PATHWAY LIGHTING FOR THE CATWALK IN THE TAIL COMPARTMENT WAS INOPERATIVE. MX REPLACED THE EMERGENCY LIGHT POWER S - [SDR DALA101719936](https://openairdocs.org/sdr/DALA101719936), Jan 26, 2010: BATTERY PACK. INOPERATIVE. DURING LINE CHECK, MX FOUND THAT THE EMERGENCY PATHWAY LIGHTING FOR THE CATWALK IN THE TAIL COMPARTMENT WAS INOPERATIVE. MX REPLACED THE BATTERY PACK AND THE LI - [SDR DALA100349936](https://openairdocs.org/sdr/DALA100349936), Jan 13, 2010: BATTERY PACK. INOPERATIVE. DURING LINE CHECK, MX FOUND THAT THE RT FWD OVERWING EMERGENCY EXIT SIGN WAS INOPERATIVE. MX REPLACED THE BATTERIES. OPS CHECK WAS GOOD. - [SDR DALA100269936](https://openairdocs.org/sdr/DALA100269936), Jan 9, 2010: POWER SUPPLY. INOPERATIVE. DURING LINE CHECK, MX FOUND THAT ALL OF THE EMERGENCY PATHWAY LIGHTS FOR THE CATWALK IN THE TAIL COMPARTMENT WERE INOPERATIVE. MX REPLACED THE EMERGENCY LIGHTS - [SDR NWAA093719936](https://openairdocs.org/sdr/NWAA093719936), Oct 30, 2009: BATTERY PACK. DISCHARGED. DURING LINE CHECK, MAINTENANCE FOUND THAT THE EMERGENCY PATHWAY LIGHTING FOR THE CATWALK IN THE TAIL COMPARTMENT WAS INOPERATIVE. MAINTENANCE REPLACED THE BATTE - [SDR NWAA093659936](https://openairdocs.org/sdr/NWAA093659936), Oct 21, 2009: LIGHT. INOPERATIVE. DURING PREFLIGHT CHECK THE FLIGHT CREW FOUND THAT THE LEFT SIDE EXTERIOR EMERGENCY FLOOD LIGHT WAS INOPERATIVE. MAINTENANCE REPLACED THE LIGHT ASSEMBLY AND PERF - [SDR NWAA093549936](https://openairdocs.org/sdr/NWAA093549936), Oct 9, 2009: BATTERY PACK. MALFUNCTIONED. DURING LINE CHECK, MAINTENANCE FOUND THAT THE EMERGENCY PATHWAY LIGHTING IN ROWS 8-10 AND THE LEFT OVERWING EMERGENCY EXIT SIGN AT ROW 11 WERE SHOWING INTERMITT - [SDR NWAA093539936](https://openairdocs.org/sdr/NWAA093539936), Oct 1, 2009: BATTERY. DISCHARGED. DURING LINE CHECK, MAINTENANCE FOUND THAT THE EMERGENCY PATHWAY LIGHTING IN ROWS 18-21 OF THE CABIN WERE INOPERATIVE. MAINTENANCE REPLACED THE BATTERIES. OPERAT - [SDR NWAA080669936](https://openairdocs.org/sdr/NWAA080669936), Feb 25, 2008: BATTERY PACK. INOPERATIVE. DURING LINE CHECK, MAINTENANCE FOUND THAT THE EMERGENCY PATHWAY LIGHTING IN THE VENTRAL STAIRWAY WAS INOPERATIVE. MAINTENANCE REPLACED THE POWER PACK AND OPERAT - [SDR NWAA072689936](https://openairdocs.org/sdr/NWAA072689936), Jul 27, 2007: SKIN. CORRODED. DURING "H" CHECK, FOUND CORROSION ON AFT CORNER OF FORWARD CARGO DOOR LOWER CUTOUT SKIN. REPAIRED PER EA 99-209907. - [SDR NWAA071899936](https://openairdocs.org/sdr/NWAA071899936), May 18, 2007: SKIN. FAILED. THE AIRCRAFT WAS CLIMBING THROUGH FL200 WHEN IT EXPERIENCED A RAPID DECOMPRESSION OF THE CABIN AFTER A LOUD BANG. CREW INITIATED AN EMERGENCY DESCENT TO 10,000 - [SDR 0602839936](https://openairdocs.org/sdr/0602839936), Dec 27, 2006: CYLINDER. MALFUNCTIONED. AFTER DEPARTURE, THE FLIGHT CREW NOTICED A LOSS OF HYDRAULIC FLUID FROM THE RIGHT HYDRAULIC SYSTEM AND THEN SYSTEM PRESSURE DIMINISHED TO ZERO. COM PROCEDURES W - [SDR 0003219936](https://openairdocs.org/sdr/0003219936), Sep 22, 2000: BULKHEAD. CORRODED. CORROSION ON AFT PRESSURE BULKHEAD DOUBLER AT JACK PAD AREA. REPLACED DOUBLER PER EA 99-177281 AND SRM 51-30-2 AND 51-30-4. - [SDR 0003229936](https://openairdocs.org/sdr/0003229936), Sep 21, 2000: SPAR. CORRODED. BULGED CORROSION ON LEFT WING LEADING EDGE SPAR XRS 290. REMOVED FASTENERS, CUT OUT DAMAGE, FABRICATED FILLER FORM 7075-T6. FABRICATED DOUBLER FROM .063 17-7, H - [SDR 0003239936](https://openairdocs.org/sdr/0003239936), Sep 20, 2000: SPAR CAP. CORRODED. AREAS OF CORROSION ON WING STA XRS 225 TO 234 AND 260 TO 290. AREAS INCLUDED LEADING EDGE SKIN, SPAR CAP, WING SURFACE. REPAIRS ACOMPLISHED ACCORDING TO EA 99-1 - [SDR 003589936](https://openairdocs.org/sdr/003589936), Sep 19, 2000: DOUBLER. CORRODED. CORROSION ON INSIDE OF THE AFT CARGO DOOR JAMB INTERNAL PLATING DOUBLER AT FWD LOWER CORNER AND AT MIDDLE LOWER AREA. REMOVED DAMAGED AREA, FABRICATED NEW DOUBL - [SDR 0003599936](https://openairdocs.org/sdr/0003599936), Sep 19, 2000: PRESSURE PANEL. CRACKED. CRACKED ANGLE ABOVE SLANT PRESSURE PANEL IN RT MLG W/W 20 INCHES OF C/L APPROX 2 INCHES LONG. REPAIRED PER EA 99-177258. L/P 1497078 - [SDR 0002769936](https://openairdocs.org/sdr/0002769936), Aug 1, 2000: SHUTOFF VALVE. LEAKING. SMOKE AND HAZE REPORTED IN CABIN DURING TAXI-OUT. PASSENGERS COMPLAINED OF BURNING EYES. AIRCRAFT WAS RETURNED TO THE GATE. MAINTENANCE REPLACED THE RUDDER HYDR - [SDR 9804959936](https://openairdocs.org/sdr/9804959936), Mar 24, 1998: POWER SUPPLY. FAILED. LEFT FORWARD OVERWING EMERGENCY EXIT LIGHT INOPERATIVE. REPLACED POWER SUPPLY, OPERATIONAL CHECK NORMAL. - [SDR 9802259936](https://openairdocs.org/sdr/9802259936), Feb 5, 1998: WINDSHIELD. CRACKED. ON LEVEL OFF AT FL330, FOUND A CRACK IN THE FIRST OFFICER'S WINDSHIELD, ACCOMPLISHED COM PROCEDURE. FLIGHT RETURNED TO DTW AND LANDED WITHOUT FURTHER INCIDENT. - [SDR 9721849936](https://openairdocs.org/sdr/9721849936), Nov 20, 1997: INDICATOR. FAILED. FLIGHT WAS EN ROUTE AND APPROXIMATELY FORTY MILES FROM DESTINATION WHEN AN UNUSUAL FUEL QUANTITY IMBALANCE WAS EXPERIENCED AND THE FUEL QUANTITY TEST FUNCTION B - [SDR 9719149936](https://openairdocs.org/sdr/9719149936), Oct 10, 1997: CONNECTOR. LOOSE. FLIGHT ATTENDANT REPORTED FLOOR PROXIMITY LIGHTS BETWEEN ROWS 3 AND 6 INOPERATIVE. MAINTENANCE FOUND FEEDER PLUG AT 6L UNPLUGGED. RECONNECTED PLUG, OPERATIONAL - [SDR 9718369936](https://openairdocs.org/sdr/9718369936), Sep 15, 1997: FLOORBEAM. CRACKED. DURING M CHECK, FOUND CRACK IN FLOORBEAM AT FS 237 UNDER AFT SIDE OF FLOOR PANEL NR 23. REPAIRED PER EA 99-151684. - [SDR 9717459936](https://openairdocs.org/sdr/9717459936), Sep 15, 1997: FITTING. CRACKED. DURING M-CHECK, FOUND CRACK IN LONGERON END FITTING FS 579, LONGERON 29L. REPLACED FITTING PER SRM 51-30-5. - [SDR 9717469936](https://openairdocs.org/sdr/9717469936), Sep 13, 1997: FITTING. CRACKED. DURING M-CHECK, FOUND CRACKED LONGERON END FITTING LONGERON 29L, FS 580. REPLACED FITTING PER SRM 51-30-5. - [SDR 9717519936](https://openairdocs.org/sdr/9717519936), Sep 11, 1997: LONGERON. CORRODED. DURING M-CHECK, FOUND CORROSION ON FORWARD END OF LONGERON 30 AT FS 608. REPAIRED PER EA 99-151679. - [SDR 9718339936](https://openairdocs.org/sdr/9718339936), Sep 3, 1997: JAMB. CRACKED. DURING M CHECK, FOUND CRACK ON THE 5910130-9 CHANNEL AT THE LEFT AFT PRESSURE BULKHEAD DOOR JAMB. REPAIRED PER EA 99-151653. - [SDR 9712739936](https://openairdocs.org/sdr/9712739936), Jun 28, 1997: CALL SWITCH. WIRE FAILED. LEFT AFT LAVATORY SMOKE DETECTOR SOUNDED DURING TAXI-OUT. AIRCRAFT WAS RETURNED TO THE GATE. MAINTENANCE FOUND LAVATORY CALL BUTTON JAMMED AND WIRING BURNED BEH - [SDR 9712579936](https://openairdocs.org/sdr/9712579936), Jun 26, 1997: RELEASE MECH. OUT OF ADJUST. DURING TAIL CONE FUNCTIONAL CHECK, FOUND THAT EXCESSIVE FORCE WAS REQUIRED TO DEPLOY TAIL CONE. RIGGED TAIL CONE RELEASE SYSTEM, FUNCTIONAL CHECK OK. - [SDR 9711949936](https://openairdocs.org/sdr/9711949936), Jun 18, 1997: BATTERIES. DISCHARGED. COCKPIT EMERGENCY LIGHTS INOPERATIVE DURING TEST. REPLACED BATTERIES IN PACK. OPERATIONAL CHECK NORMAL. - [SDR 9711659936](https://openairdocs.org/sdr/9711659936), Jun 15, 1997: BULKHEAD. CRACKED. DURING LINE CHECK, FOUND CRACK IN NOSE LANDING GEAR WHEEL WELL HORIZONTAL PRESSURE BULKHEAD AT FS 105. REPAIRED PER EA 99-122993. - [SDR 9708449936](https://openairdocs.org/sdr/9708449936), Apr 29, 1997: POWER LEVER. OBSTRUCTED. AS POWER WAS REDUCED FOR DESCENT, THE LEFT ENGINE POWER LEVER WOULD NOT RETARD FROM CURRENT POSITION. CREW CONTINUTED TO DESCEND AND AT FL200 THE POWER LEVER BE - [SDR 9703239936](https://openairdocs.org/sdr/9703239936), Feb 16, 1997: STRUT. INOPERATIVE. AIRCRAFT FAILED TO SHIFT FROM GROUND MODE TO FLIGHT MODE AFTER TAKEOFF. AIRCRAFT WOULD NOT PRESSURIZE AND NOSE WHEEL WAS STEERABLE. FLIGHT RETURNED TO MSP AND L - [SDR 9702089936](https://openairdocs.org/sdr/9702089936), Feb 2, 1997: FUEL CONTROL. MALFUNCTIONED. DURING TAKEOFF ROLL AT 75 KNOTS, THE LEFT ENGINE EPR, FUEL FLOW, AND N1 INDICAITONS BEGAN FLUCTUATING. CREW ABORTED TAKEOFF AND RETURNED TO THE GATE. MAINTENANC - [SDR 9620279936](https://openairdocs.org/sdr/9620279936), Sep 21, 1996: POWER SUPPLY. INOPERATIVE. DURING LINE MAINTENANCE INSPECTION, FOUND TAIL COMPARTMENT EMERGENCY LIGHTS INOPERATIVE. REPLACED POWER SUPPLY B5-28, OPERATIONAL CHECK NORMAL. - [SDR 9613889936](https://openairdocs.org/sdr/9613889936), Jun 23, 1996: BATTERIES. DISCHARGED. DURING LINE MAINTENANCE INSPECTION, FOUND OVERHEAD EMERGENCY LIGHTS JUST AFT OF FIRST CLASS CABIN INOPERATIVE. REPLACED BATTERIES, OPERATIONAL CHECK NORMAL. - [SDR 9612659936](https://openairdocs.org/sdr/9612659936), Jun 7, 1996: BATTERY PACK. DISCHARGED. DURING LINE CHECK, FOUND EMERGENCY EXIT LIGHTS INOPERATIVE AT FORWARD ENTRY DOOR AND BOTH AFT OVERWING DOORS INOPERATIVE. REPLACED FUSE AT ENTRY DOOR AND REPLAC - [SDR 9611899936](https://openairdocs.org/sdr/9611899936), May 23, 1996: BATTERY PACK. DISCHARGED. DURING LINE MAINTENANCE INSPECTION, FOUND TAIL COMPARTMENT EMERGENCY PATH LIGHTING INOPERATIVE. REPLACED BATTERY PACK, OPERATIONAL CHECK NORMAL. - [SDR 9607459936](https://openairdocs.org/sdr/9607459936), Mar 3, 1996: LONGERON. CRACKED. DURING SPECIAL MAINTENANCE VISIT, FOUND TWO CRACKS IN THE CENTER WING, STR 13, AT WS 58R. REPAIRED STRINGER PER EA 99-106792. - [SDR 9521849936](https://openairdocs.org/sdr/9521849936), Dec 29, 1995: DOOR JAMB. CORRODED. DURING L-CHECK, FOUND CORROSION IN THE FORWARD CARGO DOOR JAMB PAN SPLICE JOINTS. REPAIRED PAN (P/N 5912494-501) PER EA 99-103354. - [SDR 9521709936](https://openairdocs.org/sdr/9521709936), Dec 27, 1995: SLIDE. LOW BATTERY. DURING PERIODIC CHECK, MAIN CABIN DOOR EVACUATION SLIDE FAILED BATTERY CHECK. REPLACED SLIDE. OPERATIONAL CHECK GOOD. - [SDR 9507789936](https://openairdocs.org/sdr/9507789936), May 10, 1995: RADAR INDICATOR. MALFUNCTIONED. EN ROUTE MSP-IAD, RADAR BEGAN SPOKING IN LEFT 60 DEGREE QUADRANT AND WOULD NOT PAINT IN THIS AREA. FLIGHT DIVERTED TO CLE DUE TO THUNDERSTORMS AHEAD. REPLACED R - [SDR 9504099936](https://openairdocs.org/sdr/9504099936), Mar 14, 1995: SKIN. CRACKED. DURING LINE CHECK, FOUND CRACKS AND LOOSE RIVETS IN THE LEFT SIDE RUDDER SKIN. REPLACED RUDDER PER CITEXT 90-2720-1-9801. ## NTSB investigations (1) From the NTSB's public API. Aircraft are matched to registry aircraft by N-number and event date, checked against the reported serial number, make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model. - [NTSB NYC07LA121](https://openairdocs.org/ntsb/NYC07LA121), May 18, 2007: Douglas DC-9-31 (N1799U), Syracuse, NY, substantial damage. Probable cause: The senior ground agent's failure to follow written procedures and directives. ## FAA accident and incident reports (4) 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. - [Accident 20070518014589A](https://openairdocs.org/incident/20070518014589A), May 18, 2007: Doug DC931 (N1799U), Buffalo, NY, Substantial damage. (-23) On may 18, 2007, at 1320 EST, a northwest airlines, DC-9-31, flight 1411, N1799U experienced a cabin pressurization problem during climb after departing… - [Incident 20060707021639I](https://openairdocs.org/incident/20060707021639I), Jul 7, 2006: Doug DC931 (N1799U), Rochester, NY. (-23) The nwaa maintenance log book page #3705980 stated the following entry from company maintenance. Discrepancy: station employee reports smoke in cabin at… - [Incident 19820919065199I](https://openairdocs.org/incident/19820919065199I), Sep 19, 1982: Doug DC931 (N1799U), Milwaukee, WI. Jet blast blew out window in terminal as aircraft used engine thrust to leave gate. One person injured - [Incident 19780812037549I](https://openairdocs.org/incident/19780812037549I), Aug 12, 1978: Doug DC9 (N1799U), St Louis, MO. APU generator failed in flight, cause undetermined. --- 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.