# N93S: Douglas DC9-15, registration cancelled 1998-09-10 - Type: Cancelled registration (FAA registry, deregistered aircraft) - Cancelled: September 10, 1998 - Status when cancelled: Triennial form not returned - Airframe: [Douglas DC9-15](https://openairdocs.org/model/douglas-dc9-15) (registry code 3022036) - Data sheets: [TCDS A6WE](https://openairdocs.org/tcds/A6WE) (OpenAirDocs) - Serial number: 47078 - Type of aircraft: Fixed wing multi engine - Certificate issued: December 22, 1986 - Last registry action: January 21, 1998 - Mode S code: ACE4E0 - 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/N93S - FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=93S - Page: https://openairdocs.org/deregistered/N93S-1998-09-10 From the FAA registry file of November 5, 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 DC9-15: https://openairdocs.org/model/douglas-dc9-15.md ## Service difficulty reports (23) Matched to this aircraft by N-number and event date, checked against the reported serial number, make and model. - [SDR 9805049103](https://openairdocs.org/sdr/9805049103), Mar 28, 1998: OIL LINE. CRACKED. DURING CRUISE AT 33,000 FEET, THE LEFT ENGINE OIL QUANTITY BEGAN DECREASING WITH ASSOCIATED LOW OIL PRESSURE. CREW SHUT DOWN THE LEFT ENGINE AND DIVERTED TO MEM - [SDR 9803479103](https://openairdocs.org/sdr/9803479103), Feb 28, 1998: BATTERY PACK. DISCHARGED. DURING LINE MAINTENANCE INSPECTION, FOUND LEFT FLOOR PROXIMITY EMERGENCY LIGHTS INOPERATIVE. REPLACED BATTERY PACK, OPERATIONAL CHECK NORMAL. - [SDR 9804609103](https://openairdocs.org/sdr/9804609103), Feb 12, 1998: SKIN. CRACKED. DURING LINE CHECK, FOUND CRACK IN FUSELAGE SKIN AROUND WINDOW 5L FRAME. REPAIRED PER EA 91-154696. - [SDR 9802109103](https://openairdocs.org/sdr/9802109103), Feb 2, 1998: BATTERY PACK. DISCHARGED. DURING INSPECTION, THE LEFT NACELLE EMERGENCY LIGHT WAS FOUND TO BE INOPERATIVE. MAINTENANCE REPLACED THE EMERGENCY LIGHTS BATTERY PACK, OPERATIONAL CHECK OK. - [SDR 9723599103](https://openairdocs.org/sdr/9723599103), Dec 19, 1997: BATTERY PACK. DISCHARGED. DURING LINE CHECK, FOUND EMERGENCY EXIT LIGHTS INOPERATIVE FROM FIRST CLASS AREA TO SEAT ROW 7. MAINTENANCE REPLACED BATTERY PACK. OPERATIONAL CHECK OK. - [SDR 9722899103](https://openairdocs.org/sdr/9722899103), Dec 2, 1997: JAMB. CORRODED. DURING SID INSPECTION, FOUND CORROSION AROUND AND UNDER LOWER FORWARD DOOR STOP BRACKET ON LOWER FORWARD CARGO DOOR JAMB (REF SID PSE 52.09.001). REMOVED CORROS - [SDR 9708099103](https://openairdocs.org/sdr/9708099103), Apr 8, 1997: FRAME. CORRODED. DURING LINE CHECK, FOUND CORROSION ON FRAME BETWEEN STR 27L AND 27R AT FS 160. REPAIRED PER EA 91-124044. - [SDR 9708089103](https://openairdocs.org/sdr/9708089103), Apr 8, 1997: FRAME. CRACKED. DURING LINE CHECK, FOUND CRACK IN FRAME AT CUTOUT FOR LONGERONS 28R AND 29R AT FS 120. REPAIRED PER EA 91-124062. - [SDR 9708079103](https://openairdocs.org/sdr/9708079103), Apr 8, 1997: FRAME. CORRODED. DURING LINE CHECK, FOUND CORROSION ON FRAME AT LOWER PORTION OF J BETWEEN STR 28L AND 28R AT FS 180. REPAIRED PER EA 91-124066. - [SDR 9705709103](https://openairdocs.org/sdr/9705709103), Mar 15, 1997: RELEASE MECH. OUT OF ADJUST. DURING C-CHECK, FOUND THAT EXCESSIVE FORCE WAS REQUIRED TO DEPLOY TAIL CONE. ADJUSTED RELEASE SYSTEM, OPERATIONAL CHECK OK. - [SDR 9705909103](https://openairdocs.org/sdr/9705909103), Mar 12, 1997: FRAME. CRACKED. DURING L-CHECK, FOUND CRACK IN FRAME JUST FORWARD AND BELOW AIRSTAIR ACTUATOR FITTING FS 964. REPAIRED PER EA 91-112227. - [SDR 9705899103](https://openairdocs.org/sdr/9705899103), Mar 12, 1997: FRAME. CRACKED. DURING L-CHECK, FOUND CRACK IN CANTED FRAME FS 964. REPAIRED PER EA 91-112227. - [SDR 9703749103](https://openairdocs.org/sdr/9703749103), Feb 20, 1997: CONTROL PANEL. FAILED. DURING CRUISE, INSTRUMENT LIGHTS FLICKERED TWICE THEN HEARD A LOUD POP FOLLOWED BY FIRE COMING FROM PANEL IN FLIGHT ATTENDANT JUMPSEAT AREA. REMOVED ELECTRICAL - [SDR 9703629103](https://openairdocs.org/sdr/9703629103), Feb 16, 1997: BATTERY PACK. DISCHARGED. DURING LINE CHECK, FOUND LEFT EXTERIOR EMERGENCY LIGHT INOPERATIVE. REPLACED BATTERY PACK WITH SERVICEABLE UNIT. OPERATIONAL CHECK OK. - [SDR 9701599103](https://openairdocs.org/sdr/9701599103), Jan 26, 1997: CSD. FAILED. DURING CLIMB, THE CSD OIL TEMPERATURE ROSE ABOVE YELLOW BAND AND OUTLET TEMPERATURE RISING. ALL OTHER INDICATIONS NORMAL. FLIGHT RETURNED TO DTW AND LANDED WITH - [SDR 9621559103](https://openairdocs.org/sdr/9621559103), Sep 19, 1996: BULKHEAD WEB. CRACKED. DURING H-CHECK, FOUND A 5.75 INCH CRACK IN THE FS 817 AFT PRESSURE BULKHEAD AT Z=63.5 AT THE LEFT DOOR JAMB. REPAIRED WEB (P/N 5910130-3) PER EA 91-111251. - [SDR 9614949103](https://openairdocs.org/sdr/9614949103), Jul 8, 1996: BATTERY PACK. DISCHARGED. DURING LINE CHECK, FOUND EMERGENCY ESCAPE PATH LIGHTS BACK TO ROW 2 AND FORWARD CABIN DOOR EXIT SIGNS INOPERATIVE. REPLACED BATTERY PACK IN POWER SUPPLY B5-901, - [SDR 9609409103](https://openairdocs.org/sdr/9609409103), Apr 25, 1996: LIGHT. INOPERATIVE. DURING LINE CHECK, FOUND FIRST CLASS DIVIDER OVERHEAD EMERGENCY LIGHT INOPERATIVE. REWIRED EMERGENCY AND STANDBY POWER LIGHTS, OPERATIONAL CHECK GOOD. - [SDR 9602539103](https://openairdocs.org/sdr/9602539103), Feb 2, 1996: VERTICAL GYRO. MALFUNCTIONED. DURING CLIMB, THE VERTICAL GYRO FLAG APPEARED. AIRCRAFT RETURNED TO DTW AND LANDED WITHOUT INCIDENT. REPLACED THE NR 2 VERTICAL GYRO AND OPERATIONAL CHECK GOOD. - [SDR 9517799103](https://openairdocs.org/sdr/9517799103), Nov 8, 1995: OUT FLOW VALVE. OBSTRUCTED. DURING CLIMB, CABIN OVERPRESSURIZED AND CREW WAS UNABLE TO CONTROL CABIN PRESSURE IN BOTH AUTO AND MANUAL MODE. DEACTIVATED BOTH PACKS TO DEPRESSURIZE. AIRCRAFT - [SDR 9511579103](https://openairdocs.org/sdr/9511579103), Jul 10, 1995: TEAR STRAP. CRACKED. DURING H-CHECK, FOUND A CRACK IN THE TEAR STRAP AT FS 700, LONGERON 1. REPAIRED PER EA 91-98412. - [SDR 9506469103](https://openairdocs.org/sdr/9506469103), Apr 21, 1995: CONNECTOR. BROKEN. LOSS OF CABIN PRESSURIZATION OCCURRED ON DESCENT INTO SYR. EMERGENCY DESCENT PROCEDURES WERE ACCOMPLISHED AND AIRCRAFT LANDED WITHOUT INCIDENT. REPLACED BROKEN - [SDR 9505369103](https://openairdocs.org/sdr/9505369103), Apr 4, 1995: CLIPS. OUT OF ADJUST. DURING LINE CHECK, FOUND THAT INADEQUATE FORCE WAS REQUIRED TO PULL THE EXTERIOR HANDLE FROM THE CLIPS. ADJUSTED CLIPS, CHECKED OK. ## 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 CHI97IA072](https://openairdocs.org/ntsb/CHI97IA072), Feb 20, 1997: McDonnell Douglas DC-9-15 (N93S), Des Moines, IA, incident, minor damage. Probable cause: the cross tie relay shorted resulting in a fire in the left main electrical equipment rack. ## FAA accident and incident reports (8) 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 19970220005279I](https://openairdocs.org/incident/19970220005279I), Feb 20, 1997: Doug DC915 (N93S), Des Moines, IA, Minor damage. Narrative: aircraft was enroute from msp to mci. While level at 31,000 ft. the crew detected smoke coming from the area of the circuit breaker panel behind the… - [Incident 19950421012729I](https://openairdocs.org/incident/19950421012729I), Apr 21, 1995: Doug DC915 (N93S), Syracuse, NY. Lost pressurization near destination at FL220. Emergency descent. Replaced cabin control unit. - [Incident 19931018045249I](https://openairdocs.org/incident/19931018045249I), Oct 18, 1993: Doug DC915 (N93S), Detroit, MI. Pilot entered runway 21R environment without ATC permission. Landing aircraft had to swerve to avoid a collision. - [Incident 19920802043949I](https://openairdocs.org/incident/19920802043949I), Aug 2, 1992: Doug DC915 (N93S), Detroit, MI, Minor damage. Upon approaching the gate aircrafts right wing struck a tug. Pilot following marshallers direction into gate. - [Incident 19870312028569I](https://openairdocs.org/incident/19870312028569I), Mar 12, 1987: Doug DC915 (N93S), New York, NY, Minor damage. Aircraft rolled 30 degrees left when flaps extended to 50 degrees. Retracted to 30, landed. Inboard flap vane gone - [Incident 19861018061189I](https://openairdocs.org/incident/19861018061189I), Oct 18, 1986: Doug DC915 (N93S), Memphis, TN. Unsafe nose gear indication with extension. Recycled. Safe landing. Replaced nose gear downlock switch. - [Incident 19791011052319I](https://openairdocs.org/incident/19791011052319I), Oct 11, 1979: Doug DC915 (N93S), Memphis, TN. Engine shut down due to fuel heat valve stuck open. Butterfly shot-off valve, PN129525, replaced. - [Incident 19790505025689I](https://openairdocs.org/incident/19790505025689I), May 5, 1979: Doug DC915 (N93S), Meridian, MS. Stewardess suffered minor injury to rib cage during turbulence encountered during climb. ## Other aircraft with N93S - [Registered now](https://openairdocs.org/aircraft/N93S): Cessna 750, S/N 750-0189, built 2002 --- 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.