# Service difficulty reports: N751NW, cancelled Feb 9, 2011 A list on [N751NW, cancelled Feb 9, 2011](https://openairdocs.org/deregistered/N751NW-2011-02-09.md). Matched to this aircraft by N-number and event date, checked against the reported serial number, make and model. Newest first. - [SDR DALA1029699751](https://openairdocs.org/sdr/DALA1029699751.md): Battery · not seated · Oct 27, 2010 · N751NW · Doug DC941 · Emergency Lighting > DURING LINE CHECK, MAINTENANCE FOUND THAT THE OVERHEAD EMERGENCY PATHWAY LIGHTING IN ROWS 9-10 OF THE CABIN WERE INOPERATIVE. MAINTENANCE RE-SEATED THE BATTERIES IN THE POWER SUPPLY AND THE LIGHTS RETURNED TO AN OPERATIONAL CONDITION. (2010-00822) - [SDR DALA1023499751](https://openairdocs.org/sdr/DALA1023499751.md): Battery Pack · inoperative · Sep 20, 2010 · N751NW · Doug DC941 · Emergency Lighting > DURING MX CHECK FOUND LT AFT EMERGENCY EXIT LIGHT INOP, REPLACED BATTERIES AND TESTS, OK. - [SDR DALA102489751](https://openairdocs.org/sdr/DALA102489751.md): Stringer · damaged · Feb 1, 2010 · N751NW · Doug DC951 · Fuselage Main, Longeron/Stringer > DURING GROUND OPERATIONS STR 19 LT WAS DAMAGED AT BS 235. REPAIRED IAW ERA 479576-14. - [SDR DALA102479751](https://openairdocs.org/sdr/DALA102479751.md): Skin · damaged · Feb 1, 2010 · N751NW · Doug DC941 · Fuselage Main, Plate/Skin > DURING GROUND OPERATIONS FUSELAGE SKIN WAS DAMAGED AT BS 235 S19L. REPAIRED IAW ERA 479576-14. - [SDR DALA100549751](https://openairdocs.org/sdr/DALA100549751.md): Floor Panel · cracked · Jan 18, 2010 · N751NW · Doug DC941 · Fuselage Floor Panel > DURING "L" CHECK FOUND CRACKED FASTENER HOLE ON FLOOR PANEL NR 63. REPAIRED IAW SRM 51-30-1. - [SDR DALA100529751](https://openairdocs.org/sdr/DALA100529751.md): Skin · gouged · Jan 18, 2010 · N751NW · Doug DC941 · Fuselage Main, Plate/Skin > DURING "L" CHECK FOUND 4 GOUGES IN FUSELAGE SKIN AT BS 1154 BETWEEN L22R AND L23R. REPAIRED IAW SRM 53-01 AND DWG 09A51-37583. - [SDR DALA100539751](https://openairdocs.org/sdr/DALA100539751.md): Pan · cracked · Jan 16, 2010 · N751NW · Doug DC941 · Emergency Exits > DURING "L CHECK AND INSPECTION IAW EA 98-89790 FOUND CRACK IN LT FWD EMERGENCY DOOR PAN BEYOND PREVIOUS STOP DRILL. REPLACED LT FORWARD EMERGENCY EXIT DOOR IAW MM 52-21-01. - [SDR DALA100519751](https://openairdocs.org/sdr/DALA100519751.md): Former · loose · Jan 16, 2010 · N751NW · Doug DC941 · Vertical Stabilizer > DURING "L" CHECK FOUND 3 EA BLIND FASTENERS LOOSE IN VERTICAL STABILIZER FORMER. REPAIRED IAW SRM 55-30-0, SRM 55-31-0 & SRM 51-30-8. - [SDR NWAA093219751](https://openairdocs.org/sdr/NWAA093219751.md): Duct · ruptured · Sep 15, 2009 · N751NW · Doug DC941 · Engine Anti-Icing System > DURING CLIMB ENGINE FIRE INDICATION FOR THE NR 1 ENGINE ENUNCIATED. FLIGHT CREW COMPLIED WITH COM, FIRE EXTINGUISHER WAS ACTIVATED AND THE NR 1 ENGINE WAS SHUT DOWN. FLIGHT CREW RETURNED AIRCRAFT TO DEPARTURE AIRPORT PERFORMING AN UNEVENTFUL LANDING. MAINTE - [SDR NWAA091849751](https://openairdocs.org/sdr/NWAA091849751.md): Bulkhead · cracked · May 21, 2009 · N751NW · Doug DC941 · Fuselage Main, Bulkhead > DURING OVERNIGHT CHECK VISIT FOR REPEAT INSPECTIONS PER SB 53-264, FOUND CRACK INDICATION ON LT AFT PRESSURE BULKHEAD WEB STATION Z=63.5 AT OUTBOARD EDGE OF DOOR CUTOUT. REPAIRED PER EA 97-215767 SECT I SECTION II PERMANENT REPAIR TO BE ACCOMPLISHED PRIOR TO - [SDR NWAA082709751](https://openairdocs.org/sdr/NWAA082709751.md): Battery Pack · inoperative · Jun 12, 2008 · N751NW · Doug DC941 · Emergency Lighting > DURING LINE CHECK, MAINTENANCE FOUND THAT THE EMERGENCY PATHWAY LIGHTING IN ROWS 13-15 OF THE CABIN WERE INOPERATIVE. MAINTENANCE FOUND IMPROPER INSTALLATION OF THE BATTERIES. BATTERIES HAD BEEN INSTALLED BACKWARDS. REINSTALLED BATTERIES AND OPERATIONAL CHE - [SDR NWAA080799751](https://openairdocs.org/sdr/NWAA080799751.md): Wire · disconnected · Mar 2, 2008 · N751NW · Doug DC941 · Light System Wiring > DURING LINE CHECK, MAINTENANCE FOUND THAT THE EMERGENCY PATHWAY LIGHTING FOR ROWS 5, 6, 7, 8, 14, AND 17 WERE FOUND TO BE INOPERATIVE. MAINTENANCE FOUND A DISCONNECTED WIRE AND RE-INSERTED IN THE CONNECTOR. THE AIRCRAFT RETURNED TO SERVICE. - [SDR NWAA080709751](https://openairdocs.org/sdr/NWAA080709751.md): Oil System · overserviced · Feb 21, 2008 · N751NW · Doug DC941 · APU Oil System > THE FLIGHT ATTENDANT AND PASSENGER BOTH REPORTED A BURNING ODOR IN THE CABIN. FLIGHT CONTINUED AS SCHEDULED AND LANDED AT MEM WITHOUT INCIDENT. MAINTENANCE INSPECTED EVERY POSSIBLE SOURCE OF FUMES ABOARD THE AIRCRAFT AND FOUND THE APU OIL OVER SERVICED. OIL - [SDR NWAA080039751](https://openairdocs.org/sdr/NWAA080039751.md): Acm · odor · Jan 5, 2008 · N751NW · Doug DC941 · Cabin Cooling System > ON FINAL APPROACH INTO MSP, ODOR OF SMOKE FILLED THE AFT CABIN SECTION. THE AFT LAVATORY SMOKE DETECTOR WENT INTO ALARM AND ILLUMINATED THE WARNING INDICATOR IN THE COCKPIT. ALL OTHER INDICATIONS WERE NORMAL INCLUDING ALL THE PACKS. FLIGHT CREW REQUESTED TH - [SDR NWAA072169751](https://openairdocs.org/sdr/NWAA072169751.md): Yaw Damper · malfunctioned · Jun 13, 2007 · N751NW · Doug DC941 · Rudder Control System > IN LEVEL FLIGHT AT 12,000 FT AND 250 KNOTS WITH AUTOPILOT OFF, THE PILOT IN COMMAND EXPERIENCED UNRESPONSIVE RUDDER CONTROL. THE CAPTAIN REQUESTED THE FIRST OFFICER ATTEMPT CONTROL AND HE DID HAVE EFFECTIVE RUDDER CONTROL. THE CAPTAIN RETRIED CONTROL OF THE - [SDR NWAA071519751](https://openairdocs.org/sdr/NWAA071519751.md): Web · cracked · Apr 21, 2007 · N751NW · Doug DC941 · Nacelle/Pylon Miscellaneous Structure > DURING SCHEDULED ENGINE CHANGE, FOUND CRACK IN LOWER EDGE OF RT PYLON CLOSURE WEB LIGHTENING HOLE AT STA YN 164. REPAIRED PER EA 97-208937. - [SDR NWAA070749751](https://openairdocs.org/sdr/NWAA070749751.md): Fcu · malfunctioned · Mar 3, 2007 · N751NW · Doug DC941 · Fuel Control/Turbine Engines > DURING DESCENT, AT 14,000 FT, NR 1 ENGINE FLAMED OUT. THE FLIGHT CREW DECLARED AN EMERGENCY AND LANDED WITHOUT FURTHER INCIDENT. MAINTENANCE FOUND THE FUEL PUMP SHAFT SHEARED. THE FUEL PUMP AND FCU WERE REPLACED, THE ENGINE TRIMMED, TESTED AND RETURNED TO S - [SDR 0104309751](https://openairdocs.org/sdr/0104309751.md): Former · cracked · Jun 21, 2001 · N751NW · Doug DC941 · Fuselage Main, Structure > During Inspection in CMH a crack was found in the -45 former. The crack extended from the O/B most fastener hole. Repaired per EA 97-181291. - [SDR 0003939751](https://openairdocs.org/sdr/0003939751.md): Wire · shorted · Oct 14, 2000 · N751NW · Doug DC941 · Light System Wiring > DURING PREFLIGHT CHECK, FOUND EMERGENCY LIGHTS CHARGER CIRCUIT BREAKER TRIPPED. RESET CIRCUIT BREAKER AND IT TRIPPED AGAIN. REPLACED A WIRE SHORTING TO GROUND. OPERATIONAL CHECK NORMAL. - [SDR 9901579751](https://openairdocs.org/sdr/9901579751.md): Track · broken · Apr 22, 1999 · N751NW · Doug DC941 · Leading Edge Devices > SLAT DISAGREEMENT OCCURRED ON LANDING INTO MSP, CREW REQUESTED EMERGENCY EQUIPMENT ON STANDBY AND AIRCRAFT LANDED WITHOUT INCIDENT USING FLAPS ONLY. MAINTENANCE FOUND CRACK IN NR 1 RIGHT SLAT DRIVE TRACK AND DAMAGE TO RETRACT CABLE. REPLACED TRACK AND CABLE. - [SDR 9810559751](https://openairdocs.org/sdr/9810559751.md): Acm · inoperative · Dec 1, 1998 · N751NW · Doug DC941 · Cabin Cooling System > DURING CLIMB-OUT, THE FLIGHT CREW REPORTED AN AERIAL TYPE SMELL COMING FROM THE GALLEY AREA. FLIGHT CREW PERFORMED ON AIR CONDITIONING SMOKE PROCEDURE, DECLARED A YELLOW EMERGENCY, DIVERTED FLIGHT TO RST, AND LANDED WITHOUT INCIDENT. MAINTENANCE PERFORMED AN - [SDR 9805749751](https://openairdocs.org/sdr/9805749751.md): Press Switch · erratic · Apr 2, 1998 · N751NW · Doug DC941 · Airfoil Anti/De-ice System > DURING CLIMB-OUT FROM DTW, AIRFOIL ICE PROTECTION PRESSURE ABNORMAL LIGHT ILLUMINATED UPON SELECTION OF WING ANTI-ICE. FLIGHT WAS DIVERTED TO IND AND LANDED WITHOUT INCIDENT. MAINTENANCE REPLACED WING ICE PROTECTION AIR PRESSURE SWITCH. OPERATIONAL CHECK NORM - [SDR 9805099751](https://openairdocs.org/sdr/9805099751.md): Battery Pack · discharged · Mar 26, 1998 · N751NW · Doug DC941 · Emergency Lighting > DURING LINE CHECK, FOUND WING/NACELLE EMERGENCY LIGHTING INOPERATIVE. MAINTENANCE REPLACED RELAY R2-213, BATTERY PACKS AND RELAMPED LIGHTS, OPERATIONAL CHECK NORMAL. - [SDR 9803529751](https://openairdocs.org/sdr/9803529751.md): Wire · loose · Feb 27, 1998 · N751NW · Doug DC941 · Light System Wiring > DURING LINE MAINTENANCE INSPECTION, FOUND MID CABIN OVERHEAD EMERGENCY LIGHT INOPERATIVE. TIGHTENED LOOSE WIRE AT BATTERY PACK, OPERATIONAL CHECK NORMAL. - [SDR 9803279751](https://openairdocs.org/sdr/9803279751.md): Control Cable · out of adj · Feb 23, 1998 · N751NW · Doug DC941 · Landing Gear Position and Warning > DURING CLIMB-OUT, THE AUTO SPOILER DO NOT USE INDICATION ILLUMINATED AND THE AUTOMATIC PRESSURIZATION CONTROL BECAME INOPERATIVE AFTER LANDING GEAR RETRACTION. THE FLIGHT CREW FOLLOWED GROUND SHIFT FAILRUE PROCEDURES IN COM. DIVERTED TO ORD AND LANDED WITHOU - [SDR 9705049751](https://openairdocs.org/sdr/9705049751.md): Power Supply · inoperative · Mar 7, 1997 · N751NW · Doug DC941 · Emergency Lighting > DURING LINE CHECK, FOUND LEFT OVERWING DOOR EMERGENCY LIGHT INOPERATIVE. REPLACED POWER SUPPLY AND BATTERIES B5-32. OPERATIONAL CHECK OK. - [SDR 9703649751](https://openairdocs.org/sdr/9703649751.md): Strut · reqd service · Feb 18, 1997 · N751NW · Doug DC941 · Nose/Tail Landing Gear Strut/Axle > AFTER TAKEOFF FROM FAR, UNABLE TO RETRACT GEAR. NOSE GEAR STEERABLE. FLIGHT RETURNED TO FAR AND LANDED WITHOUT INCIDENT. FOUND NOSE GEAR STRUT FLAT. REPACKED NOSE STRUT AND RESERVICED. GEAR OPERATION WAS CHECKED SEVERAL TIMES AND OPERATED NORMALLY. - [SDR 9703129751](https://openairdocs.org/sdr/9703129751.md): Terminal · broken · Feb 11, 1997 · N751NW · Doug DC941 · Pitot/Static Anti-Ice System > PITOT HEAT OFF LIGHT REMAINED ILLUMINATED CONTINUOUSLY FOR FIFTEEN MINUTES THEN STARTED TO FLICKER. FLIGHT RETURNED TO DTW AND LANDED WITHOUT INCIDENT. MAINTENANCE FOUND TERMINAL AT S3-83 BROKEN OFF. REPAIRED TERMINAL, SYSTEM OPERATIONAL CHECK OK. - [SDR 9610799751](https://openairdocs.org/sdr/9610799751.md): Batteries · discharged · May 15, 1996 · N751NW · Doug DC941 · Emergency Lighting > DURING LINE CHECK, FOUND EMERGENCY LIGHTS INOPERATIVE ON FIRST CLASS FLOOR TRACK. REPLACED BATTERIES IN BATTERY PACKS. OPERATIONAL CHECK OK. - [SDR 9608839751](https://openairdocs.org/sdr/9608839751.md): Angle · cracked · Apr 17, 1996 · N751NW · Doug DC941 · Fuselage, Stabilizer Attach Fittings > DURING H-CHECK, FOUND A TWO INCH CRACK IN THE RIGHT SIDE DORSAL FIN ATTACH ANGLE FS 1171. REPAIRED ANGLE (P/N 5912141-60) PER EA 97-109496. - [SDR 9611529751](https://openairdocs.org/sdr/9611529751.md): Fitting · corroded · Apr 12, 1996 · N751NW · Doug DC941 · Fuselage Miscellaneous Structure > DURING H-CHECK, FOUND CORROSION ON THE LONGERON 30 END FITTING AT FS 794. REPLACED FITTING (P/N 5924878-505) PER EA 97-109495. - [SDR 9608509751](https://openairdocs.org/sdr/9608509751.md): Act Fitting · cracked · Apr 11, 1996 · N751NW · Doug DC941 · Landing Gear Door Actuator > DURING H-CHECK, FOUND A TWO INCH CRACK IN THE RIGHT MAIN LANDING GEAR INBOARD DOOR RETURN CYLINDER SUPPORT FITTING AT THE KEEL. REPLACED FITTING PER SRM 51-30-5. - [SDR 9608759751](https://openairdocs.org/sdr/9608759751.md): Floor Beam · corroded · Apr 10, 1996 · N751NW · Doug DC941 · Fuselage Main, Floor Beam > DURING H-CHECK, FOUND CORROSION ON THE FS 1041 FLOOR BEAM AT APPROXIMATELY LBL 18. REPAIRED BEAM (P/N 9958212-3) PER EA 97-109477. - [SDR 9608749751](https://openairdocs.org/sdr/9608749751.md): Floor Beam · corroded · Apr 10, 1996 · N751NW · Doug DC941 · Fuselage Main, Floor Beam > DURING H-CHECK, FOUND CORROSION ON THE FS 1056 FLOOR BEAM AT APPROXIMATELY LBL 26 AND RBL 34. REPAIRED BEAM (P/N 9958187-1) PER EA 97-109476. - [SDR 9608499751](https://openairdocs.org/sdr/9608499751.md): Fitting · cracked · Apr 10, 1996 · N751NW · Doug DC941 · Passenger/Crew Doors > DURING H-CHECK, FOUND CRACKS IN THE AFT ENTRY DOOR BEAM RIGHT SIDE END FITITNGS; NR 1 UPPER, NR 3 UPPER AND LOWER AND NR 4 UPPER. REPLACED ALL FITTINGS PER SRM 51-00. - [SDR 9608469751](https://openairdocs.org/sdr/9608469751.md): Latch Fitting · cracked · Apr 10, 1996 · N751NW · Doug DC941 · Passenger/Crew Doors > DURING H-CHECK, FOUND A CRACK IN THE AFT ENTRY DOOR UPPER LATCH FITTING. REPLACED FITTING PER SRM 51-30-2. - [SDR 9608059751](https://openairdocs.org/sdr/9608059751.md): Fitting · corroded · Apr 6, 1996 · N751NW · Doug DC941 · Fuselage Miscellaneous Structure > DURING H-CHECK, FOUND CORROSION ON THE LONGERON 28L END FITTING AT FS 1072. REPLACED FITTING PER SRM 51-30-2 AND 51-30-5. - [SDR 9608049751](https://openairdocs.org/sdr/9608049751.md): Fitting · corroded · Apr 4, 1996 · N751NW · Doug DC941 · Fuselage Miscellaneous Structure > DURING H-CHECK, FOUND CORROSION ON THE FS 984 FRAME FITTING AT THE RIGHT CUSP. REPLACED FITTING PER SRM 51-30-5 AND 51-30-1. - [SDR 9606869751](https://openairdocs.org/sdr/9606869751.md): Wire · broken · Mar 23, 1996 · N751NW · Doug DC941 · Light System Wiring > DURING LINE CHECK, FOUND EMERGENCY PATH LIGHTS INOPERATIVE FROM ROW 6 TO 13. REPAIRED BROKEN WIRE AND OPERATIONAL CHECK GOOD. - [SDR 9521959751](https://openairdocs.org/sdr/9521959751.md): Actuator · leaking · Dec 30, 1995 · N751NW · Doug DC941 · Landing Gear Actuator > LOSS OF RIGHT HYDRAULIC SYSTEM OCCURRED DURING APPROACH INTO MSP. EMERGENCY GEAR EXTENSION PROCEDURES WERE UTILIZED AND THE AIRCRAFT LANDED WITHOUT INCIDENT. FOUND RIGHT HYDRAULIC FILTER HOUSING AND LEFT MAIN GEAR ACTUATOR LEAKING. REPLACED FILTER HOUSING A - [SDR 9521979751](https://openairdocs.org/sdr/9521979751.md): Strut · deflated · Dec 29, 1995 · N751NW · Doug DC941 · Nose/Tail Landing Gear Strut/Axle > NOSE LANDING GEAR WOULD NOT RETRACT AFTER TAKEOFF DUE TO GROUND SHIFT FAILURE. FLIGHT RETURNED TO MSP AND LANDED WITHOUT INCIDENT. REPACKED NOSE GEAR STRUT AND SERVICED TO PROPER LEVELS. OPERATIONAL CHECK NORMAL AND AIRCRAFT RETURNED TO SERVICE. - [SDR 9517329751](https://openairdocs.org/sdr/9517329751.md): Battery Pack · discharged · Nov 2, 1995 · N751NW · Doug DC941 · Emergency Lighting > DURING LINE CHECK, FOUND EMERGENCY LIGHTS AT SEVERAL ROWS INOPERATIVE. REPLACED THREE SETS OF BATTERY PACKS, OPERATIONAL CHECK GOOD. - [SDR 9517589751](https://openairdocs.org/sdr/9517589751.md): Skin · cracked · Oct 2, 1995 · N751NW · Doug DC941 · Elevator, Plate/Skin > DURING B-CHECK, FOUND TWO, 2 INCH CRACKS IN THE RIGHT ELEVATOR LOWER SKIN AT STA 658. REPAIRED PER EA 97-102591. - [SDR 9507369751](https://openairdocs.org/sdr/9507369751.md): Indication · malfunctioned · May 1, 1995 · N751NW · Doug DC941 · Landing Gear Position and Warning > DURING CLIMBOUT FROM DTW, ALL THREE LANDING GEAR RED UNSAFE LIGHTS AND DOOR OPEN LIGHT REMAINED ON AFTER GEAR WAS RETRACTED. RECYCLED GEAR HANDLE AND ALL INDICATIONS WERE NORMAL. FLIGHT CONTINUED TO DESTINATION (CMH) AND LANDED WITHOUT INCIDENT. INSPECTED G - [SDR 9504329751](https://openairdocs.org/sdr/9504329751.md): Switches · malfunctioned · Mar 15, 1995 · N751NW · Doug DC941 · Leading Edge Slat Control System > STALL INDICATION FAILURE LIGHT AND STICK SHAKER ACTIVATED DURING SLAT RETRACTION AFTER TAKEOFF. FLIGHT RETURNED TO MEM AND LANDED WITHOUT INCIDENT. REPLACED SLAT EXTEND SWITCHES. OPERATIONAL CHECK OK ON GROUND. AIRCRAFT RETURNED TO SERVICE. - [SDR 9503489751](https://openairdocs.org/sdr/9503489751.md): Uplimit Switch · malfunctioned · Mar 6, 1995 · N751NW · Doug DC941 · Landing Gear Position and Warning > NOSE LANDING GEAR UNSAFE LIGHT REMAINED ON AFTER GEAR RETRACTION DURING CLIMB-OUT. FLIGHT RETURNED TO MSP AND LANDED WITHOUT INCIDENT. REPLACED THE NOSE GEAR UPLIMIT SWITCH. OPERATIONAL CHECK OK. AIRCRAFT RETURNED TO SERVICE. ## 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 = 'N751NW' AND deregistration_id = 'N751NW-2011-02-09' ORDER BY difficulty_date DESC ``` This list as a web page: https://openairdocs.org/deregistered/N751NW-2011-02-09/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.