# N671MC: 1976 Mcdonnell Douglas DC-9-51, registration cancelled 2015-05-11 - Type: Cancelled registration (FAA registry, deregistered aircraft) - Cancelled: May 11, 2015 - Status when cancelled: Sale reported, canceled - Airframe: [Mcdonnell Douglas DC-9-51](https://openairdocs.org/model/mcdonnell-douglas-dc-9-51) (registry code 3022051) - Engine: [Pratt & Whitney JT8D-17 series](https://openairdocs.org/engine/pratt-whitney-jt8d-17-series) (registry code 52049) - Data sheets: [TCDS A6WE](https://openairdocs.org/tcds/A6WE), [TCDS E2EA](https://openairdocs.org/tcds/E2EA) (OpenAirDocs) - Serial number: 47660 - Year built: 1976 - Type of aircraft: Fixed wing multi engine - Engine type: Turbo-jet - Airworthiness: Standard, transport - Airworthiness date: October 13, 1983 - Last registry action: January 6, 2014 - Mode S code: A8E085 - Location: [Mcminnville, OR](https://openairdocs.org/faa-place/OR/Mcminnville) - Owner type: Individual - Owner's area on the map: 45.2117° N, 123.2817° W: Placed by OpenAirDocs at the center of ZIP code 97128, within about 6 miles (OpenAirDocs). The owner's mailing address, not where the aircraft was based - The mark today: https://openairdocs.org/aircraft/N671MC - FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=671MC - Page: https://openairdocs.org/deregistered/N671MC-2015-05-11 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-9-51: https://openairdocs.org/model/mcdonnell-douglas-dc-9-51.md ## Service difficulty reports (42) Matched to this aircraft by N-number and event date, checked against the reported serial number, make and model. - [SDR DALA12001550883](https://openairdocs.org/sdr/DALA12001550883), Jun 12, 2012: LANYARD. FRAYED. DURING LINE CHECK, MAINTENANCE FOUND THE SLIDE LANYARD FOR THE 1R DOOR EMERGENCY ESCAPE SLIDE TO BE FRAYED. MAINTENANCE REPLACED THE LANYARD AND RETURNED THE AI - [SDR DALA1140339883](https://openairdocs.org/sdr/DALA1140339883), Jun 17, 2011: SKIN. DENTED. LEFT FUSELAGE SKIN STA 497 LONGERON 17L WITH DENT DAMAGE IS D=1.2", X=.034"(DEPTH) D/X DIMENSION IS 35.29 ORIGINAL SKIN THICKNESS IS 0.050" COLD FORMER SKIN PER - [SDR DALA1022929883](https://openairdocs.org/sdr/DALA1022929883), Sep 15, 2010: SKIN. CRACKED. DURING LINE CHECK, FOUND CRACK IN SKIN 1 INCH AFT OF CANTED FRAME, BS 1292 BETWEEN L14L & L15L. REPAIRED IAW SRM 53-01-01, PAGE 12. - [SDR DALA104609883](https://openairdocs.org/sdr/DALA104609883), Feb 27, 2010: SUPPORT. DAMAGED. DURING OVERNIGHT CHECK FOUND FWD CARGO COMPARTMENT, LT SIDEWALL SUPPORT HAS SECTION CUT OUT FOR ACCESS TO SHEET METAL REPAIR. REPAIRED SPLICED IN ORIGINAL SIDEW - [SDR DALA100259883](https://openairdocs.org/sdr/DALA100259883), Jan 8, 2010: DUCT. SEPARATED. WHILE CRUISING AT FL320, THE RED "CABIN PRESS" WARNING LIGHT ILLUMINATED WITH THE CABIN ALTITUDE CLIMBING. CAPTAIN DECLARED AN EMERGENCY, DIRECTED AN IMMEDIATE - [SDR NWAA094199883](https://openairdocs.org/sdr/NWAA094199883), Nov 3, 2009: FLOOR SUPPORT. CHAFED. DURING M-CHECK FOUND HAT CHANNELS ON FLOOR PANEL NR 17 CHAFED ON ENDS. REPAIRED PER EA 98-216802. - [SDR NWAA092839883](https://openairdocs.org/sdr/NWAA092839883), Aug 10, 2009: WIRE. BROKEN. DURING LINE CHECK, MAINTENANCE FOUND THAT TWO OF THE THREE EMERGENCY PATHWAY LIGHTS FOR THE CATWALK IN THE TAIL COMPARTMENT WAS INOPERATIVE. MAINTENANCE REPAIRE - [SDR NWAA092849883](https://openairdocs.org/sdr/NWAA092849883), Aug 10, 2009: BATTERY. DISCHARGED. DURING LINE CHECK, MAINTENANCE FOUND THAT THE EMERGENCY SIDEWALL LIGHTING IN THE VENTRAL STAIRWAY WAS INOPERATIVE. MAINTENANCE REPLACED THE BATTERIES IN THE POW - [SDR NWAA 091249883](https://openairdocs.org/sdr/NWAA%20091249883), Apr 17, 2009: POWER SUPPLY. INOPERATIVE. DURING LINE CHECK, MAINTENANCE FOUND THAT THE EMERGENCY PATHWAY LIGHTING IN ROWS 5/8 OF THE CABIN WERE INOPERATIVE. MAINTENANCE REPLACED THE POWER SUPPLY AND BA - [SDR NWAA081439883](https://openairdocs.org/sdr/NWAA081439883), Apr 7, 2008: BATTERY PACK. INOPERATIVE. DURING LINE CHECK, MAINTENANCE FOUND THAT THE EXTERIOR EMERGENCY FLOOD LIGHT WERE INOPERATIVE. MAINTENANCE REPLACED BATTERY PACK AND LIGHTS. RETURNED TO AN OPER - [SDR 0600569883](https://openairdocs.org/sdr/0600569883), Mar 18, 2006: TIRE. FAILED. THE RIGHT MAIN LANDING GEAR TIRE AND WHEEL SEPARATED FROM THE AXLE ON TAKEOFF OUT OF DTW. SOME DEBRIS DID IMPACT UPON THE FUSELAGE AND ENGINE COWLING CAUSING MI - [SDR 0401799883](https://openairdocs.org/sdr/0401799883), Sep 3, 2004: STRAP. CRACKED. DURING LINE CHECK FOUND CRACK IN AFT PRESSURE DOOR FRAME STEEL SPLICE STRAP J060110-93. REPAIRED PER EA 98-200540. - [SDR 0202879883](https://openairdocs.org/sdr/0202879883), Sep 3, 2002: SLIDE. FAILED. FIRST OFFICER ATTEMPTED TO LOWER REAR STAIRWAY AND DROPPED THE TAIL CONE INSTEAD. TAIL CONE EVACUATION SLIDE DID NOT DEPLOY OR INFLATE. REPLACED THE SLIDE AND T - [SDR 0003989883](https://openairdocs.org/sdr/0003989883), Oct 20, 2000: STRINGER. CRACKED. DURING M-CHECK FOUND CRACK IN STRINGER 27R AT FORWARD SECTION OF AUX FUEL TANK. REPAIRED PER EA 98-177371, REFERENCE LOG PAGE 1512239. - [SDR 0003979883](https://openairdocs.org/sdr/0003979883), Oct 20, 2000: SUPPORT BRACKET. CORRODED. DURING M-CHECK, FOUND CORROSION ON RIGHT SIDE OF LOWER FORWARD AUX FUEL TANK SUPPORT BRACKET. REPAIRED PER EA 98-147731 REFERENCE LOG PAGE 1512238. - [SDR 0002679883](https://openairdocs.org/sdr/0002679883), Jul 21, 2000: ACM. FAILED. DURING CLIMBOUT AFTER TAKEOFF, THE CABIN FILLED WITH SMOKE. CREW DECLARED AN EMERGENCY AND RETURNED TO FNT WITHOUT INCIDENT. MAINTENANCE DISCOVERED THE AIR CYCL - [SDR 0001419883](https://openairdocs.org/sdr/0001419883), Apr 18, 2000: BATTERY PACK. DISCHARGED. FLIGHT ATTENDANT REPORTED FORWARD CABIN EMERGENCY PATH LIGHTS INOPERATIVE. REPLACED BATTERY PACK AND BATTERIES. OPERATIONAL CHECK NORMAL. - [SDR 9901379883](https://openairdocs.org/sdr/9901379883), Apr 3, 1999: INDICATOR. MALFUNCTIONED. LOSS OF RIGHT HYDRAULIC SYSTEM QUANTITY OCCURRED DURING CRUISE FLIGHT. CREW REQUESTED EMERGENCY EQUIPMENT ON STANDBY AT DESTINATION STATION AND FLIGHT WAS CONTI - [SDR 9900399883](https://openairdocs.org/sdr/9900399883), Feb 4, 1999: WIRE. CHAFED. DURING CRUISE FLIGHT EN ROUTE BWI-DTW, SPARKS BEGAN EMITTING FROM CENTER COCKPIT PEDESTAL UNDER ADF, ARCING LASTED APPROAIMATELY FIVE SECONDS. FLIGHT WAS DIVERT - [SDR 9900239883](https://openairdocs.org/sdr/9900239883), Jan 16, 1999: SKIN. CRACKED. DURING PERIODIC CHECK, FOUND 4.5 INCH CRACK ON LOWER LEFT WING LEADING AT WS 195 FORWARD OF ACCESS DOOR 1132A. INSTALLED INTERNAL AND EXTERNAL DOUBLERS PER EA 9 - [SDR 9800629883](https://openairdocs.org/sdr/9800629883), Jan 10, 1998: BATTERIES. DISCHARGED. DURING LINE MAINTENANCE INSPECTION, FOUND LEFT FORWARD OVERWING EMERGENCY EXIT SIGN LIGHT INOPERATIVE. REPLACED BATTERIES, OPERATIONAL CHECK NORMAL. - [SDR 9800619883](https://openairdocs.org/sdr/9800619883), Jan 10, 1998: POWER SUPPLY. DISCHARGED. FLOOR PROXIMITY EMERGENCY LIGHTS BETWEEN ROWS 9 THRU 13 ILLUMINATED WITH EMERGENCY LIGHT SWITCH IN ARM POSITION. REPLACED POWER SUPPLY AND BATTERIES, OPERATIONA - [SDR 9722269883](https://openairdocs.org/sdr/9722269883), Nov 27, 1997: BATTERY. DISCHARGED. DURING LINE CHECK, FOUND TAIL CONE EMERGENCY EXIT LIGHTS INOPERATIVE. MAINTENANCE REPLACED BATTERIES, OPERATIONAL CHECK OK. - [SDR 9721969883](https://openairdocs.org/sdr/9721969883), Nov 22, 1997: POWER SUPPLY. INOPERATIVE. DURING LINE CHECK, FOUND EMERGENCY EXIT LIGHTING INOPERATIVE AT SEAT ROWS 9 THROUGH 13. MAINTENANCE REPLACED POWER SUPPLY AND BATTERIES. - [SDR 9721679883](https://openairdocs.org/sdr/9721679883), Nov 17, 1997: BATTERY. DISCHARGED. DURING LINE CHECK, FOUND LOWER EMERGENCY EXIT SIGN LIGHT INOPERATIVE AT SEAT ROW 14DEF. MAINTENANCE REPLACED BATTERIES, OPERATIONAL CHECK OK. - [SDR 9721579883](https://openairdocs.org/sdr/9721579883), Nov 15, 1997: CONNECTOR. LOOSE. DURING LINE CHECK, FOUND EMERGENCY FLOOR TRACK LIGHTS, FORWARD CLOSET, INOPERATIVE. MAINTENANCE RECONNECTED QUICK DISCONNECT PLUG, OPERATIONAL CHECK OK. - [SDR 9721269883](https://openairdocs.org/sdr/9721269883), Nov 12, 1997: BATTERY. DISCHARGED. DURING LINE CHECK, FOUND CENTER EMERGENCY SEAT LIGHTS INOPERATIVE. MAINTENANCE REPLACED BATTERIES, OPERATIONAL CHECK OK. - [SDR 9720989883](https://openairdocs.org/sdr/9720989883), Nov 9, 1997: BATTERIES. DISCHARGED. DURING LINE CHECK, FOUND ESCAPE PATH EMERGENCY EXIT LIGHTS IN CENTER CABIN INOPERATIVE, OVERWING EXIT LIGHTS ARE DIM. MAINTENANCE REPLACED BATTERIES AT LEFT FOR - [SDR 9720809883](https://openairdocs.org/sdr/9720809883), Nov 6, 1997: BATTERY PACK. DISCHARGED. DURING LINE MAINTENANCE INSPECTION, FOUND EMERGENCY LIGHTS BETWEEN ROWS 9 THRU 13 INOPERATIVE. REPLACED BATTERY PACK AT LEFT OVERWING EXIT. OPERATIONAL CHECK NO - [SDR 9720569883](https://openairdocs.org/sdr/9720569883), Nov 2, 1997: BATTERIES. DISCHARGED. DURING LINE CHECK, FOUND EMERGENCY PATHWAY LIGHTS AT LEFT OVERWING EXIT AND ROWS 9 TO 13 INOPERATIVE AND COCKPIT EMERGENCY LIGHTS INOPERATIVE. MAINTENANCE REPLA - [SDR 9719449883](https://openairdocs.org/sdr/9719449883), Oct 17, 1997: BATTERY PACK. DISCHARGED. DURING LINE CHECK, FOUND ESCAPE PATH LIGHTS INOPERATIVE FROM ROW 9 THRU 13. REPLACED LIGHT BATTERY PACK, OPERATIONAL CHECK OK. - [SDR 9717279883](https://openairdocs.org/sdr/9717279883), Sep 9, 1997: FITTING. CRACKED. DURING H-CHECK, FOUND CRACK IN AFT ENTRY DOOR LOWER RIGHT STOP FITTING UNDER FLOORING. REPLACED PER SRM 51-30-2. - [SDR 9709889883](https://openairdocs.org/sdr/9709889883), May 18, 1997: ANTENNA. FAILED. WEATHER RADAR ON MEL DUE TO NOT PAINTING GROUND OR KNOWN WEATHER ON ANY SCALE OR TILT. RADAR PAINTS HORSESHOE PATTERN OF CLUTTER. FLIGHT RETURNED TO BDL DUE TO - [SDR 9705489883](https://openairdocs.org/sdr/9705489883), Mar 15, 1997: STRUT. REQD SERVICE. ON DEPARTURE, NOSE GEAR WOULD NOT RETRACT. NOSE STEERING WAS UNLOCKED AND AIRCRAFT WOULD NOT PRESSURIZE. FLIGHT DIVERTED TO MIA AND LANDED WITHOUT INCIDENT. MAI - [SDR 9705379883](https://openairdocs.org/sdr/9705379883), Mar 13, 1997: STRUT. LEAKING. ON TAKEOFF FROM DTW, NOSE GEAR WOULD NOT RETRACT WHEN SELECTED UP. NO PRESSURIZATION AND GEAR UNSAFE LIGHT ILLUMINATED. RECYCLED GEAR WITH NO CHANGE. FLIGHT RET - [SDR 9703879883](https://openairdocs.org/sdr/9703879883), Feb 18, 1997: BATTERIES. DISCHARGED. DURING LINE CHECK, FOUND CEILING EMERGENCY LIGHT AT SEAT ROW 2 INOPERATIVE. REPLACED BATTERIES. OPERATIONAL CHECK OK. - [SDR 9623629883](https://openairdocs.org/sdr/9623629883), Nov 6, 1996: NAV RECEIVER. INOPERATIVE. DURING CRUISE TO IND, THE NR 2 VOR BECAME INOPERATIVE. FLIGHT RETURNED TO DTW AND LANDED WITHOUT INCIDENT. MAINTENANCE REPLACED NAV RECEIVER. OPERATIONAL CHECK - [SDR 9623999883](https://openairdocs.org/sdr/9623999883), Nov 3, 1996: BATTERIES. DISCHARGED. DURING LINE CHECK, FOUND OVERHEAD CABIN EMERGENCY LIGHTS AT MID CABIN AREA INOPERATIVE. REPLACED BATTERIES, OPERATIONAL CHECK OK. - [SDR 9622819883](https://openairdocs.org/sdr/9622819883), Oct 22, 1996: AUGMENTATION VLV. MALFUNCTIONED. DURING CLIMBOUT, THE RIGHT ICE PROTECTION TEMPERATURE HIGH LIGHT ILLUMINATED. FOLLOWED COM PROCEDURES AND LIGHT WENT OUT. FLIGHT RETURNED TO MSP AND LANDED WITH - [SDR 9622489883](https://openairdocs.org/sdr/9622489883), Oct 19, 1996: BATTERIES. DISCHARGED. DURING LINE MAINTENANCE INSPECTION, FOUND ROWS 12 THROUGH 15 OVERHEAD EMERGENCY LIGHTS INOPERATIVE. REPLACED BATTERIES, OPERATIONAL CHECK NORMAL. - [SDR 9612879883](https://openairdocs.org/sdr/9612879883), May 17, 1996: VSI. FAILED. ON CLIMBOUT, CAPTAIN'S VSI INDICATOR FAILED. DUE TO WEATHER CONDITIONS AT DESTINATION (AZO) DECISION WAS MADE TO DIVERT TO DTW FOR REPAIR. AIRCRAFT LANDED IN DT - [SDR 9512889883](https://openairdocs.org/sdr/9512889883), Aug 22, 1995: PROX CONTROL. MALFUNCTIONED. NOSE LANDING GEAR RED UNSAFE LIGHT REMAINED ON AFTER GEAR WAS RETRACTED. FLIGHT RETURNED TO DTW AND LANDED WITHOUT INCIDENT. REPLACED NOSE GEAR PROXIMITY CONTRO ## 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 ENG10IA037](https://openairdocs.org/ntsb/ENG10IA037), Jun 15, 2010: Douglas DC9 (N671MC), Minneapolis, MN, incident, minor damage. Probable cause: The failure of the facility that overhauled the 1st stage fan blade to properly restore the leading edge, which caused a flutter mode resulting in a fatigue crack and fracture of the fan blade. ## FAA accident and incident reports (3) 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 20060318003349I](https://openairdocs.org/incident/20060318003349I), Mar 18, 2006: Doug DC951 (N671MC), Windsor Locks, CT, Minor damage. (-23) On March 18, 2006, northwest flight 1180, enroute from detroit (dtw) to Bradley (bdl), declared an emergency due to a missing right hand landing gear… - [Incident 19980213111879I](https://openairdocs.org/incident/19980213111879I), Feb 13, 1998: Doug DC951 (N671MC). No violation of FAR. No enforcement action planned. Aircraft unable to maintain altitude. Descended prior to receiving ATC clearance. ATC did issue control… - [Incident 19901101053999I](https://openairdocs.org/incident/19901101053999I), Nov 1, 1990: Doug DC951 (N671MC), St Louis, MO, Minor damage. Right gear door open light on climb. Returned. Right flap jammed down and blocked gear door from coming up. ## Other aircraft with N671MC - [Registered now](https://openairdocs.org/aircraft/N671MC): Piper PA-44-180, S/N 4496601, built 2025 --- 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.