# Service difficulty reports: N671MC, cancelled May 11, 2015 A list on [N671MC, cancelled May 11, 2015](https://openairdocs.org/deregistered/N671MC-2015-05-11.md). Matched to this aircraft by N-number and event date, checked against the reported serial number, make and model. Newest first. - [SDR DALA12001550883](https://openairdocs.org/sdr/DALA12001550883.md): Lanyard · frayed · Jun 12, 2012 · N671MC · Doug DC951 · Escape Slide > 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 AIRCRAFT TO SERVICE. - [SDR DALA1140339883](https://openairdocs.org/sdr/DALA1140339883.md): Skin · dented · Jun 17, 2011 · N671MC · Doug DC951 · Fuselage Main, Plate/Skin > 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 DC9 SRM 53-04 FIG 38. PERFORMED HFEC INSP PER NDT SPM 06-10-01.001 NO CRACKS NOTED IN DENTED AREA. - [SDR DALA1022929883](https://openairdocs.org/sdr/DALA1022929883.md): Skin · cracked · Sep 15, 2010 · N671MC · Doug DC951 · Fuselage Main, Plate/Skin > 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.md): Support · damaged · Feb 27, 2010 · N671MC · Doug DC951 · Fuselage Miscellaneous Structure > DURING OVERNIGHT CHECK FOUND FWD CARGO COMPARTMENT, LT SIDEWALL SUPPORT HAS SECTION CUT OUT FOR ACCESS TO SHEET METAL REPAIR. REPAIRED SPLICED IN ORIGINAL SIDEWALL STIFFENER SECTION IAW SRM 53-01. - [SDR DALA100259883](https://openairdocs.org/sdr/DALA100259883.md): Duct · separated · Jan 8, 2010 · N671MC · Doug DC951 · Air Distribution System > WHILE CRUISING AT FL320, THE RED "CABIN PRESS" WARNING LIGHT ILLUMINATED WITH THE CABIN ALTITUDE CLIMBING. CAPTAIN DECLARED AN EMERGENCY, DIRECTED AN IMMEDIATE DESCENT TO 10,000 AND EXECUTED THE RED BORDERED CHECK LIST. THE MASKS WERE DEPLOYED IAW QRH. FLIG - [SDR NWAA094199883](https://openairdocs.org/sdr/NWAA094199883.md): Floor Support · chafed · Nov 3, 2009 · N671MC · Doug DC951 · Fuselage Miscellaneous Structure > 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.md): Wire · broken · Aug 10, 2009 · N671MC · Doug DC951 · Light System Wiring > DURING LINE CHECK, MAINTENANCE FOUND THAT TWO OF THE THREE EMERGENCY PATHWAY LIGHTS FOR THE CATWALK IN THE TAIL COMPARTMENT WAS INOPERATIVE. MAINTENANCE REPAIRED BROKEN WIRING, REPLACED THE BATTERIES IN THE POWER SUPPLY, AND FUNCTIONALLY CHECKED THE SYSTEM. - [SDR NWAA092849883](https://openairdocs.org/sdr/NWAA092849883.md): Battery · discharged · Aug 10, 2009 · N671MC · Doug DC951 · Emergency Lighting > DURING LINE CHECK, MAINTENANCE FOUND THAT THE EMERGENCY SIDEWALL LIGHTING IN THE VENTRAL STAIRWAY WAS INOPERATIVE. MAINTENANCE REPLACED THE BATTERIES IN THE POWER SUPPLY AND THE LIGHTS RETURNED TO AN OPERATIONAL CONDITION. - [SDR NWAA 091249883](https://openairdocs.org/sdr/NWAA%20091249883.md): Power Supply · inoperative · Apr 17, 2009 · N671MC · Doug DC951 · Emergency Lighting > 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 BATTERY PACKS AT THE FWD RT OVERWING EXIT SIGN AND THE LIGHTS RETURNED TO AN OPERATIONAL CONDITION. - [SDR NWAA081439883](https://openairdocs.org/sdr/NWAA081439883.md): Battery Pack · inoperative · Apr 7, 2008 · N671MC · Doug DC951 · Emergency Lighting > DURING LINE CHECK, MAINTENANCE FOUND THAT THE EXTERIOR EMERGENCY FLOOD LIGHT WERE INOPERATIVE. MAINTENANCE REPLACED BATTERY PACK AND LIGHTS. RETURNED TO AN OPERATIONAL CONDITION. - [SDR 0600569883](https://openairdocs.org/sdr/0600569883.md): Tire · failed · Mar 18, 2006 · N671MC · Doug DC951 · Tire > 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 MINOR DAMAGE. THE FIRST STAGE COMPRESSOR DISK WAS REPLACED DUE TO DAMAGE ALSO. THE AIRCRAFT CONTINU - [SDR 0401799883](https://openairdocs.org/sdr/0401799883.md): Strap · cracked · Sep 3, 2004 · N671MC · Doug DC951 · Fuselage Miscellaneous Structure > 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.md): Slide · failed · Sep 3, 2002 · N671MC · Doug DC951 · Escape Slide > 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 THE TAIL CONE. AIRCRAFT RETURNED TO SERVICE. - [SDR 0003989883](https://openairdocs.org/sdr/0003989883.md): Stringer · cracked · Oct 20, 2000 · N671MC · Doug DC951 · Fuselage Main, Longeron/Stringer > 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.md): Support Bracket · corroded · Oct 20, 2000 · N671MC · Doug DC951 · Fuselage Miscellaneous Structure > 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.md): Acm · failed · Jul 21, 2000 · N671MC · Doug DC951 · Cabin Cooling System > DURING CLIMBOUT AFTER TAKEOFF, THE CABIN FILLED WITH SMOKE. CREW DECLARED AN EMERGENCY AND RETURNED TO FNT WITHOUT INCIDENT. MAINTENANCE DISCOVERED THE AIR CYCLE MACHINE WAS PUMPING SMOKE INTO THE CABIN. REPLACED THE AIR CYCLE MACHINE, NUMEROUS TEMP SENSORS - [SDR 0001419883](https://openairdocs.org/sdr/0001419883.md): Battery Pack · discharged · Apr 18, 2000 · N671MC · Doug DC951 · Emergency Lighting > FLIGHT ATTENDANT REPORTED FORWARD CABIN EMERGENCY PATH LIGHTS INOPERATIVE. REPLACED BATTERY PACK AND BATTERIES. OPERATIONAL CHECK NORMAL. - [SDR 9901379883](https://openairdocs.org/sdr/9901379883.md): Indicator · malfunctioned · Apr 3, 1999 · N671MC · Doug DC951 · Hydraulic Quantity Indicator > LOSS OF RIGHT HYDRAULIC SYSTEM QUANTITY OCCURRED DURING CRUISE FLIGHT. CREW REQUESTED EMERGENCY EQUIPMENT ON STANDBY AT DESTINATION STATION AND FLIGHT WAS CONTINUED. AIRCRAFT LANDED WITHOUT INCIDENT. MAINTENANCE REPLACED THE RIGHT HYDRAULIC SYSTEM QUANTITY - [SDR 9900399883](https://openairdocs.org/sdr/9900399883.md): Wire · chafed · Feb 4, 1999 · N671MC · Doug DC951 · Flight Control System Wiring > DURING CRUISE FLIGHT EN ROUTE BWI-DTW, SPARKS BEGAN EMITTING FROM CENTER COCKPIT PEDESTAL UNDER ADF, ARCING LASTED APPROAIMATELY FIVE SECONDS. FLIGHT WAS DIVERTED TO CLE AND LANDED WITHOUT INCIDENT. MAINTENANCE INSPECTED FORWARD PEDESTAL AREA AND FOUND WIRES - [SDR 9900239883](https://openairdocs.org/sdr/9900239883.md): Skin · cracked · Jan 16, 1999 · N671MC · Doug DC951 · Wing, Plate/Skin > 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 98-163654. - [SDR 9800629883](https://openairdocs.org/sdr/9800629883.md): Batteries · discharged · Jan 10, 1998 · N671MC · Doug DC951 · Emergency Lighting > 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.md): Power Supply · discharged · Jan 10, 1998 · N671MC · Doug DC951 · Emergency Lighting > FLOOR PROXIMITY EMERGENCY LIGHTS BETWEEN ROWS 9 THRU 13 ILLUMINATED WITH EMERGENCY LIGHT SWITCH IN ARM POSITION. REPLACED POWER SUPPLY AND BATTERIES, OPERATIONAL CHECK NORMAL. - [SDR 9722269883](https://openairdocs.org/sdr/9722269883.md): Battery · discharged · Nov 27, 1997 · N671MC · Doug DC951 · Emergency Lighting > DURING LINE CHECK, FOUND TAIL CONE EMERGENCY EXIT LIGHTS INOPERATIVE. MAINTENANCE REPLACED BATTERIES, OPERATIONAL CHECK OK. - [SDR 9721969883](https://openairdocs.org/sdr/9721969883.md): Power Supply · inoperative · Nov 22, 1997 · N671MC · Doug DC951 · Emergency Lighting > 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.md): Battery · discharged · Nov 17, 1997 · N671MC · Doug DC951 · Emergency Lighting > 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.md): Connector · loose · Nov 15, 1997 · N671MC · Doug DC951 · Emergency Lighting > 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.md): Battery · discharged · Nov 12, 1997 · N671MC · Doug DC951 · Emergency Lighting > DURING LINE CHECK, FOUND CENTER EMERGENCY SEAT LIGHTS INOPERATIVE. MAINTENANCE REPLACED BATTERIES, OPERATIONAL CHECK OK. - [SDR 9720989883](https://openairdocs.org/sdr/9720989883.md): Batteries · discharged · Nov 9, 1997 · N671MC · Doug DC951 · Emergency Lighting > DURING LINE CHECK, FOUND ESCAPE PATH EMERGENCY EXIT LIGHTS IN CENTER CABIN INOPERATIVE, OVERWING EXIT LIGHTS ARE DIM. MAINTENANCE REPLACED BATTERIES AT LEFT FORWARD OVERWING EXIT, OPERATIONAL CHECK OK. - [SDR 9720809883](https://openairdocs.org/sdr/9720809883.md): Battery Pack · discharged · Nov 6, 1997 · N671MC · Doug DC951 · Emergency Lighting > DURING LINE MAINTENANCE INSPECTION, FOUND EMERGENCY LIGHTS BETWEEN ROWS 9 THRU 13 INOPERATIVE. REPLACED BATTERY PACK AT LEFT OVERWING EXIT. OPERATIONAL CHECK NORMAL. - [SDR 9720569883](https://openairdocs.org/sdr/9720569883.md): Batteries · discharged · Nov 2, 1997 · N671MC · Doug DC951 · Emergency Lighting > DURING LINE CHECK, FOUND EMERGENCY PATHWAY LIGHTS AT LEFT OVERWING EXIT AND ROWS 9 TO 13 INOPERATIVE AND COCKPIT EMERGENCY LIGHTS INOPERATIVE. MAINTENANCE REPLACED BATTERIES FOR OVERWING EMERGENCY EXIT LIGHTS AND COCKPIT EMERGENCY LIGHTS, OPERATIONAL CHECK OK - [SDR 9719449883](https://openairdocs.org/sdr/9719449883.md): Battery Pack · discharged · Oct 17, 1997 · N671MC · Doug DC951 · Emergency Lighting > 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.md): Fitting · cracked · Sep 9, 1997 · N671MC · Doug DC951 · Fuselage Miscellaneous Structure > 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.md): Antenna · failed · May 18, 1997 · N671MC · Doug DC951 · Weather Radar System > 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 KNOWN WEATHER EN ROUTE. MAINTENANCE REPLACED RADAR ANTENNA, OPERATIONAL CHECK OK. REMOVED FROM M - [SDR 9705489883](https://openairdocs.org/sdr/9705489883.md): Strut · reqd service · Mar 15, 1997 · N671MC · Doug DC951 · Nose/Tail Landing Gear Strut/Axle > ON DEPARTURE, NOSE GEAR WOULD NOT RETRACT. NOSE STEERING WAS UNLOCKED AND AIRCRAFT WOULD NOT PRESSURIZE. FLIGHT DIVERTED TO MIA AND LANDED WITHOUT INCIDENT. MAINTENANCE REPLACED SCHRADER VALVE AND 'O' RING AND SERVICED STRUT, GEAR OPERATIONAL CHECK OK. - [SDR 9705379883](https://openairdocs.org/sdr/9705379883.md): Strut · leaking · Mar 13, 1997 · N671MC · Doug DC951 · Nose/Tail Landing Gear Strut/Axle > 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 RETURNED TO DTW AND LANDED WITHOUT INCIDENT. RESEALED AND SERVICED NOSE STRUT ASSEMBLY. GEAR OPERA - [SDR 9703879883](https://openairdocs.org/sdr/9703879883.md): Batteries · discharged · Feb 18, 1997 · N671MC · Doug DC951 · Emergency Lighting > DURING LINE CHECK, FOUND CEILING EMERGENCY LIGHT AT SEAT ROW 2 INOPERATIVE. REPLACED BATTERIES. OPERATIONAL CHECK OK. - [SDR 9623629883](https://openairdocs.org/sdr/9623629883.md): Nav Receiver · inoperative · Nov 6, 1996 · N671MC · Doug DC951 · Visual Omnirange (VOR) System > DURING CRUISE TO IND, THE NR 2 VOR BECAME INOPERATIVE. FLIGHT RETURNED TO DTW AND LANDED WITHOUT INCIDENT. MAINTENANCE REPLACED NAV RECEIVER. OPERATIONAL CHECK GOOD. - [SDR 9623999883](https://openairdocs.org/sdr/9623999883.md): Batteries · discharged · Nov 3, 1996 · N671MC · Doug DC951 · Emergency Lighting > 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.md): Augmentation Vlv · malfunctioned · Oct 22, 1996 · N671MC · Doug DC951 · Airfoil Anti/De-ice System > DURING CLIMBOUT, THE RIGHT ICE PROTECTION TEMPERATURE HIGH LIGHT ILLUMINATED. FOLLOWED COM PROCEDURES AND LIGHT WENT OUT. FLIGHT RETURNED TO MSP AND LANDED WITHOUT INCIDENT. REPLACED THE RIGHT AUGMENTATION VALVE AND ICE PROTECTION REGULATOR VALVE, OPERATION - [SDR 9622489883](https://openairdocs.org/sdr/9622489883.md): Batteries · discharged · Oct 19, 1996 · N671MC · Doug DC951 · Emergency Lighting > 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.md): Vsi · failed · May 17, 1996 · N671MC · Doug DC951 · Rate of Climb Indicator > 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 DTW WITHOUT INCIDENT. REPLACED CAPTIAN'S VSI INDICATOR, OPERATIONAL CHECK OK. - [SDR 9512889883](https://openairdocs.org/sdr/9512889883.md): Prox Control · malfunctioned · Aug 22, 1995 · N671MC · Doug DC951 · Landing Gear Position and Warning > NOSE LANDING GEAR RED UNSAFE LIGHT REMAINED ON AFTER GEAR WAS RETRACTED. FLIGHT RETURNED TO DTW AND LANDED WITHOUT INCIDENT. REPLACED NOSE GEAR PROXIMITY CONTROL UNIT AND DOWNLOCK SENSOR. CYCLED GEAR SEVERAL TIMES. OPERATIONAL CHECK OK. AIRCRAFT RETURNED ## The whole list in SQL Runs in DuckDB 1.2 or later on the release's Parquet files over HTTPS: ```sql SELECT sdr_id, difficulty_date, n_number, aircraft_make, aircraft_model, part_name, part_condition, jasc_code, discrepancy FROM 'https://openairdocs.org/data/latest/faa_service_difficulty_report.parquet' WHERE n_number = 'N671MC' AND deregistration_id = 'N671MC-2015-05-11' ORDER BY difficulty_date DESC ``` This list as a web page: https://openairdocs.org/deregistered/N671MC-2015-05-11/reports --- 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.