# N609NW: 1969 Mcdonnell Douglas DC-9-32, registration cancelled 2007-12-01 - Type: Cancelled registration (FAA registry, deregistered aircraft) - Cancelled: December 1, 2007 - Status when cancelled: Triennial form not returned - Airframe: [Mcdonnell Douglas DC-9-32](https://openairdocs.org/model/mcdonnell-douglas-dc-9-32) (registry code 302206C) - Engine: [Pratt & Whitney JT8D series](https://openairdocs.org/engine/pratt-whitney-jt8d-series) (registry code 52053) - Data sheets: [TCDS A6WE](https://openairdocs.org/tcds/A6WE) (OpenAirDocs) - Serial number: 47234 - Year built: 1969 - Type of aircraft: Fixed wing multi engine - Engine type: Turbo-jet - Airworthiness: Standard, transport - Airworthiness date: September 29, 1995 - Certificate issued: October 6, 1995 - Last registry action: October 16, 2007 - Mode S code: A7E9EF - 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/N609NW - FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=609NW - Page: https://openairdocs.org/deregistered/N609NW-2007-12-01 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 Mcdonnell Douglas DC-9-32: https://openairdocs.org/model/mcdonnell-douglas-dc-9-32.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 0401949609](https://openairdocs.org/sdr/0401949609), Oct 4, 2004: SPAR CAP. CORRODED. DURING M-CHECK FOUND CORROSION ON RT WING SPAR CAP AT XRS 267. REPAIRED PER EA 96-200541. - [SDR 0401809607](https://openairdocs.org/sdr/0401809607), Oct 1, 2004: SKIN. CRACKED. DURING M-CHECK FOUND CRACKED IN RT WING TRAILING EDGE FLAP UPPER STRINGER AT WING STATION 235. REPAIRED IAW EA 96-200350. - [SDR 0401389609](https://openairdocs.org/sdr/0401389609), Aug 20, 2004: FUEL TANK. LEAKING. FLIGHT CREW NOTICED A FUEL IMBALANCE OF 1200 LBS BETWEEN LEFT AND RIGHT MAIN WING FUEL TANKS WHILE AT CRUISE. CREW HAD TO MANUALLY CROSSFEED THE FUEL AND ELECTE - [SDR 0203369609](https://openairdocs.org/sdr/0203369609), Oct 1, 2002: FIRE LOOP. SHORTED. DURING CLIMBOUT, THE APU FIRE WARNING LIGHT ILLUMINATED. CREW PERFORMED COM PROCEDURES AND DISCHARGED THE FIRE EXTINGUISHING AGENT FROM THE NR 1 FIRE BOTTLE. FL - [SDR 0202469609](https://openairdocs.org/sdr/0202469609), Jul 28, 2002: PUMP. MALFUNCTIONED. DURING DESCENT FOR LANDING INTO MSP, THE RIGHT HYDRAULIC SYSTEM PRESSURE WENT TO ZERO PSI AND THE QUANTITY WENT TO MAX HIGH SCALE. THE RUDDER CONTROL MANUAL ANN - [SDR 0201319609](https://openairdocs.org/sdr/0201319609), Apr 18, 2002: SHUTOFF VALVE. FAILED. MASTER WARNING AND CABIN PRESSURE LIGHTS ILLUMINATED AT FL350. AIRFOIL AND ENGINE ANTI-ICE WERE SELECTED ON. CABIN ALTITUDE WAS 10,000 FEET AND CLIMBING AT 1200 - [SDR 9810729609](https://openairdocs.org/sdr/9810729609), Sep 25, 1998: BATTERIES. DISCHARGED. DURING LINE MAINTENANCE INSPECTION, FOUND COCKPIT AND FORWARD CABIN OVERHEAD EMERGENCY LIGHTS INOPERATIVE. REPLACED BATTERIES. OPERATIONAL CHECK NORMAL. - [SDR 9808999609](https://openairdocs.org/sdr/9808999609), May 10, 1998: BATTERY. DISCHARGED. DURING LINE MAINTENANCE INSPECTION, FOUND AFT OVERWING EMERGENCY EXIT SIGNS INOPERATIVE. REPLACED DEAD CELLS IN BATTERY, OPERATIONAL CHECK NORMAL. - [SDR 9806119609](https://openairdocs.org/sdr/9806119609), Apr 6, 1998: PROX SENSOR. BROKEN. DURING APPROACH, NOSE LANDING GEAR GREEN DOWNLOCK LIGHT DID NOT ILLUMINATE AFTER GEAR EXTENSION. EMERGENCY GEAR EXTENSION PROCEDURES WERE UTILIZED AND AIRCRAFT - [SDR 9803269609](https://openairdocs.org/sdr/9803269609), Feb 23, 1998: BATTERY PACK. DISCHARGED. EMERGENCY FLASHLIGHT INOPERATIVE. REPLACED BATTERY PACK, OPERATIONAL CHECK NORMAL. - [SDR 9719119609](https://openairdocs.org/sdr/9719119609), Oct 11, 1997: WIRE. BROKEN. DURING LINE MAINTENANCE INSPECTION, FOUND EMERGENCY LIGHT AT SEAT 13 INOPERATIVE. REPAIRED BROKEN WIRE, OPERATIONAL CHECK NORMAL. - [SDR 9710069609](https://openairdocs.org/sdr/9710069609), May 20, 1997: RELEASE MECH. OUT OF ADJUST. DURING TAIL CONE FUNCTIONAL CHECK, FOUND THAT EXCESSIVE FORCE WAS REQUIRED TO RELEASE TAIL CONE. RIGGED TAIL CONE RELEASE SYSTEM, FUNCTIONALLY CHECKED OK. - [SDR 9707589609](https://openairdocs.org/sdr/9707589609), Apr 14, 1997: BATTERY PACK. DISCHARGED. EMERGENCY FLASHLIGHT AT MAIN CABIN DOOR INOPERATIVE. REPLACED BATTERY PACK, OPERATIONAL CHECK NORMAL. - [SDR 9627769609](https://openairdocs.org/sdr/9627769609), Nov 27, 1996: THERMOSTAT. MALFUNCTIONED. LEFT ICE PROTECTION TEMPERATURE HIGH LIGHT ILLUMINATED AS TAKEOFF THRUST WAS APPLIED. ABORTED TAKEOFF AT 50 KNOTS AND RETURNED TO THE GATE. MAINTENANCE REPLACED - [SDR 9622369609](https://openairdocs.org/sdr/9622369609), Oct 20, 1996: AMPLIFIER. MALFUNCTIONED. AUTO PRESSURIZATION SYSTEM FAILED AFTER TAKEOFF. OUTFLOW VALVE WENT FROM FULL OPEN TO FULL CLOSED. FLIGHT RETURNED TO MSP AND LANDED WITHOUT INCIDENT. MAINTENAN - [SDR 9620059609](https://openairdocs.org/sdr/9620059609), Sep 17, 1996: BATTERY PACK. DISCHARGED. DURING PERIODIC CHECK, FOUND LEFT AND RIGHT EXTERIOR EMERGENCY LIGHTS INOPERATIVE. REPLACED BATTERY PACK, OPERATIONAL CHECK NORMAL. - [SDR 9619839609](https://openairdocs.org/sdr/9619839609), Sep 13, 1996: BULKHEAD WEB. CRACKED. DURING LINE CHECK, FOUND A .375 INCH CRACK IN THE AFT PRESSURE BULKHEAD -13 SKIN AT THE UPPER LEFT DOOR STOP FITTING, LBL 6. ALSO, FOUND A CRACK IN THE UPPER RI - [SDR 9619329609](https://openairdocs.org/sdr/9619329609), Sep 2, 1996: POWER SUPPLY. MALFUNCTIONED. DURING LINE MAINTENANCE INSPECTION, FOUND THE LEFT EXTERIOR EMERGENCY LIGHT INOPERATIVE. REPLACED BATTERY AND POWER SUPPLY, OPERATIONAL CHECK NORMAL. - [SDR 9618739609](https://openairdocs.org/sdr/9618739609), Aug 28, 1996: BATTERY PACK. DISCHARGED. DURING PREFLIGHT INSPECTION, FOUND OVERHEAD EMERGENCY LIGHTS AT ROWS 13 AND 14 INOPERATIVE. REPLACED BATTERY PACK AND POWER SUPPLY, OPERATIONAL CHECK NORMAL. - [SDR 9618749609](https://openairdocs.org/sdr/9618749609), Aug 27, 1996: BATTERY PACKS. DISCHARGED. DURING LINE MAINTENANCE INSPECTION, FOUND LEFT AND RIGHT EXTERIOR EMERGENCY LIGHTS INOPERATIVE. REPLACED BATTERY PACKS, OPERATIONAL CHECK NORMAL. - [SDR 9617779609](https://openairdocs.org/sdr/9617779609), Aug 12, 1996: BATTERY PACKS. DISCHARGED. DURING LINE MAINTENANCE INSPECTION, FOUND EXTERIOR EMERGENCY LIGHTS INOPERATIVE. REPLACED BOTH BATTERY PACKS, OPERATIONAL CHECK NORMAL. - [SDR 9616639609](https://openairdocs.org/sdr/9616639609), Aug 1, 1996: BATTERY PACK. DISCHARGED. DURING LINE MAINTENANCE INSPECTION, FOUND RIGHT NACELLE EMERGENCY LIGHT INOPERATIVE. REPLACED BATTERY PACK, OPERATIONAL CHECK NORMAL. - [SDR 9616209609](https://openairdocs.org/sdr/9616209609), Jul 28, 1996: LIGHTS. INOPERATIVE. DURING LINE MAINTENANCE INSPECTION, FOUND BOTH ENGINE NACELLE EMERGENCY LIGHTS INOPERATIVE IN TEST MODE. REPLACED BOTH POWER SUPPLIES AND BATTERIES. OPERATIONAL - [SDR 9615739609](https://openairdocs.org/sdr/9615739609), Jul 21, 1996: BATTERY PACK. DISCHARGED. DURING LINE MAINTENANCE INSPECTION, FOUND LEFT NACELLE EMERGENCY LIGHT INOPERATIVE. REPLACED BATTERY PACK, OPERATIONAL CHECK NORMAL. - [SDR 9615759609](https://openairdocs.org/sdr/9615759609), Jul 17, 1996: BATTERIES. DISCHARGED. DURING LINE MAINTENANCE INSPECTION, FOUND OVERHEAD EMERGENCY LIGHTS IN COCKPIT WOULD NOT TEST. REPLACED BATTERIES. OPERATIONAL CHECK NORMAL. - [SDR 9615179609](https://openairdocs.org/sdr/9615179609), Jul 14, 1996: BATTERIES. DISCHARGED. DURING LINE MAINTENANCE INSPECTION, FOUND CABIN EMERGENCY LIGHTS INOPERATIVE. REPLACED BATTERIES AT ROWS 1 TO 4 AND ROWS 14 TO 17, OPERATIONAL CHECK NORMAL. - [SDR 9614929609](https://openairdocs.org/sdr/9614929609), Jul 4, 1996: BATTERY PACK. DISCHARGED. DURING LINE CHECK, FOUND LEFT HAND OVERWING NACELLE EMERGENCY LIGHT INOPERATIVE. REPLACED BATTERY PACK, OPERATIONAL CHECK OK. - [SDR 9614919609](https://openairdocs.org/sdr/9614919609), Jul 4, 1996: BATTERY PACK. DISCHARGED. DURING LINE CHECK, FOUND RIGHT HAND OVERWING NACELLE EMERGENCY LIGHT INOPERATIVE. REPLACED BATTERY PACK, OPERATIONAL CHECK OK. - [SDR 9608489609](https://openairdocs.org/sdr/9608489609), Apr 10, 1996: SKIN. CRACKED. DURING LINE CHECK, FOUND TWO CRACKS .25 INCH AND .19 INCH IN THE FORWARD ENTRY DOOR JAMB CUTOUT SKIN, UPPER AFT CORNER, FS 200 AT LONGERON 9L. REPAIRED SKIN (P/ - [SDR 9608089609](https://openairdocs.org/sdr/9608089609), Apr 10, 1996: SKIN. CRACKED. DURING LINE CHECK, FOUND TWO CRACKS IN THE FUSELAGE SKIN AT THE MAIN CABIN DOOR CUTOUT UPPER AFT STOP FITTING. REPAIRED SKIN PER EA 96-104228. - [SDR 9606989609](https://openairdocs.org/sdr/9606989609), Mar 22, 1996: BATTERY PACK. DISCHARGED. DURING LINE MAINTENANCE INSPECTION, FOUND THE LEFT NACELLE EMERGENCY LIGHT INOPERATIVE. REPLACED BATTERY PACK AND OPERATIONAL CHECK NORMAL. - [SDR 9602309609](https://openairdocs.org/sdr/9602309609), Jan 30, 1996: DNLOCK SWITCH. MALFUNCTIONED. ON DESCENT INTO DSM, NOSE LANDING GEAR RED UNSAFE LIGHT DID NOT ILLUMINATE WHEN THROTTLES WERE BROUGHT TO IDLE. AFTER GEAR EXTENSION, NOSE GEAR GREEN LIGHT DID - [SDR 9521479609](https://openairdocs.org/sdr/9521479609), Dec 25, 1995: BATTERY PACK. DISCHARGED. DURING LINE MAINTENANCE INSPECTION, FOUND LEFT NACELLE EMERGENCY LIGHT INOPERATIVE. REPLACED BATTERY PACK AND OPERATIONAL CHECK NORMAL. - [SDR 9519459609](https://openairdocs.org/sdr/9519459609), Dec 3, 1995: EEL POWER SUPPLY. INOPERATIVE. DURING LINE CHECK, FOUND LEFT ENGINE NACELLE LIGHT INOPERATIVE. REPLACED POWER SUPPLY AND OPERATIONAL CHECK GOOD. - [SDR 9519499609](https://openairdocs.org/sdr/9519499609), Dec 1, 1995: BATTERY. DISCHARGED. DURING LINE CHECK, FOUND BOTH AFT OVERWING EMERGENCY LIGHTS INOPERATIVE. REPLACED BATTERIES AND OPERATIONAL CHECK GOOD. - [SDR 9515509609](https://openairdocs.org/sdr/9515509609), Sep 7, 1995: SKIN. CORRODED. DURING ACCEPTANCE CHECK AND PRIOR TO SERVICE, FOUND CORROSION IN THE FUSELAGE SKIN FS 997 AT LONGERON 23R. REPAIRED SKIN (P/N 5911428-42), PER EA 99-97722. - [SDR 9515479609](https://openairdocs.org/sdr/9515479609), Aug 15, 1995: RIB. CORRODED. DURING ACCEPTANCE CHECK AND PRIOR TO SERVICE, FOUND CORROSION ON THE RIGHT WING NR 3 SLAT CENTER RIB MOUNT HOLES. REPAIRED RIB (P/N 5922533-2), PER EA 99-97598. - [SDR 9515449609](https://openairdocs.org/sdr/9515449609), Jul 10, 1995: DOUBLER. CORRODED. DURING ACCEPTANCE CHECK AND PRIOR TO SERVICE, FOUND CORROSION IN THE INTERNAL SKIN DOUBLER AT THE FORWARD CARGO DOOR LOWER JAMB. REPAIRED DOUBLER (P/N 5911412), - [SDR 9515439609](https://openairdocs.org/sdr/9515439609), Jul 7, 1995: RIB. CORRODED. DURING ACCEPTANCE CHECK AND PRIOR TO SERVICE, FOUND CORROSION IN THE LEFT WING NR 1 AND NR 3 SLAT CENTER RIBS MOUNT HOLES. REPAIRED PER EA 99-97723. - [SDR 9510579609](https://openairdocs.org/sdr/9510579609), Jun 30, 1995: FITTING. CORRODED. DURING ACCEPTANCE CHECK AND PRIOR TO SERVICE, FOUND CORROSION ON LONGERON 26L ATTACH FITTING AT FS 937. REPLACED FITTING PER SRM 51-30-2. - [SDR 9515429609](https://openairdocs.org/sdr/9515429609), Jun 28, 1995: LONGERON. CORRODED. DURING ACCEPTANCE CHECK AND PRIOR TO SERVICE, FOUND CORROSION ON THE RIGHT WING STR 18 AT XRS 110. REPAIRED STRINGER (DWG 5910465), PER EA 99-97607. - [SDR 9509769609](https://openairdocs.org/sdr/9509769609), Jun 21, 1995: FITTING. CRACKED. DURING ACCEPTANCE CHECK AND PRIOR TO SERVICE, FOUND A 3 INCH CRACK IN THE FS 699 FRAME FITTING JUST BELOW THE FLOOR LEVEL, LEFT SIDE. REPLACED FITTING PER SRM 5 - [SDR 9515419609](https://openairdocs.org/sdr/9515419609), Jun 19, 1995: LONGERON. CORRODED. DURING ACCEPTANCE CHECK AND PRIOR TO SERVICE, FOUND CORROSION ON LEFT WING STR 20 AND RIGHT WING STR 13, XRS 69-91. REPAIRED BOTH PER EA 99-97591. - [SDR 9515409609](https://openairdocs.org/sdr/9515409609), Jun 14, 1995: LONGERON. CORRODED. DURING ACCEPTANCE CHECK AND PRIOR TO SERVICE, FOUND CORROSION ON THE LEFT WING STR 11 AT XORS 100. REPAIRED STRINGER (P/N DWG 5910465), PER EA 99-97588. --- 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.