# Service difficulty reports: N763NW, cancelled Feb 9, 2011 A list on [N763NW, cancelled Feb 9, 2011](https://openairdocs.org/deregistered/N763NW-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 DALA1027309763](https://openairdocs.org/sdr/DALA1027309763.md): Resistor · defective · Oct 18, 2010 · N763NW · Doug DC941 · Emergency Lighting > DURING LINE CHECK, MAINTENANCE FOUND THAT THE EMERGENCY PATHWAY LIGHTING IN ROWS 5–8 AND THE RIGHT OVERWING EMERGENCY EXIT SIGN WERE INOPERATIVE. MAINTENANCE REPLACED TWO RESISTORS IN THE APPLICABLE POWER SUPPLY AND THE LIGHTS RETURNED TO AN OPERATIONAL CONDI - [SDR DALA1014429763](https://openairdocs.org/sdr/DALA1014429763.md): Powerpack · inoperative · Jun 22, 2010 · N763NW · Doug DC941 · Emergency Lighting > DURING LINE CHECK, MX FOUND CEILING LIGHTS AT ROW 3,5, AND 7 INOP. MX RE-INSTALLED EMERGENCY LIGHTS POWER PACK IAW AMM DC9-A-33-53-00-401-926A-A. OPS CHECK OF LIGHTS NOW ALL CHECK GOOD. - [SDR DALA102939763](https://openairdocs.org/sdr/DALA102939763.md): Floor Panel · damaged · Feb 6, 2010 · N763NW · Doug DC941 · Fuselage Floor Panel > DURING "L" CHECK FOUND FLOOR PANEL 62, HAS 2 CORNERS BROKEN. REPAIRED IAW EA 478964-14, AND SRM 51-30-2. - [SDR DALA102899763](https://openairdocs.org/sdr/DALA102899763.md): Floorbeam · corroded · Feb 5, 2010 · N763NW · Doug DC941 · Fuselage Main, Floor Beam > DURING "L" CHECK FOUND FLOORBEAM AT STA 208, AT RBL 22 TO 44, CORRODED. REPAIRED IAW SRM 53-12-1, SRM 51-10-1, SRM 51-10-2, SRM 51-10-3, SRM 51-10-4, AND SRM 51-30-5. - [SDR DALA102879763](https://openairdocs.org/sdr/DALA102879763.md): Cusp Web · cracked · Feb 5, 2010 · N763NW · Doug DC941 · Fuselage Miscellaneous Structure > DURING "L" CHECK FOUND LT CUSP WEB AT STA 218, CRACKED. REPAIRED IAW SRM 51-30-2, SRM 51-10-4, SRM 51-10-2, AND SRM 51-30-5. - [SDR DALA102869763](https://openairdocs.org/sdr/DALA102869763.md): Seat Track · corroded · Feb 5, 2010 · N763NW · Doug DC941 · Fuselage, Seat/Cargo Attach Fittings > DURING "L" CHECK FOUND LT OTBD SEAT TRACK AT STA 230 TO 237, LBL44, EXFOLIATED. REPAIRED IAW SRM 51-30-4, SRM 51-30-5, SRM 51-10-4, AND SRM 51-10-3. - [SDR DALA102859763](https://openairdocs.org/sdr/DALA102859763.md): Seat Track · corroded · Feb 5, 2010 · N763NW · Doug DC941 · Fuselage, Seat/Cargo Attach Fittings > DURING "L" CHECK FOUND SEAT TRACK AT STA 237 TO 275, AT LBL22 CORRODED. REPAIRED IAW SRM 51-10-3, SRM 51-10-1, SRM 53-22-0, AND SRM 53-30-4. - [SDR DALA102829763](https://openairdocs.org/sdr/DALA102829763.md): Floor Support · corroded · Feb 5, 2010 · N763NW · Doug DC941 · Fuselage Miscellaneous Structure > DURING "L" CHECK FOUND FLOOR SUPPORT AT STA 218 TO 270, AT BL0, CORRODED. REPAIRED IAW SRM 51-30-5, AND SRM 51-10-4. - [SDR DALA102819763](https://openairdocs.org/sdr/DALA102819763.md): Floorbeam · corroded · Feb 5, 2010 · N763NW · Doug DC941 · Fuselage Main, Floor Beam > DURING "L" CHECK FOUND FLOOR SUPPORT AT STA 200, AT LBL 22 TO 44 CORRODED. REPAIRED IAW SRM 51-10-4, AND SRM 51-30-5. - [SDR DALA102809763](https://openairdocs.org/sdr/DALA102809763.md): Floor Support · corroded · Feb 5, 2010 · N763NW · Doug DC941 · Fuselage Miscellaneous Structure > DURING "L" CHECK FOUND FLOOR SUPPORT AT STA 160 TO 208 AT RBL 44, CORRODED. REPAIRED IAW SRM 51-10-3, SRM 53-12-1, SRM 51-10-1, SRM 51-10-2, SRM 51-10-4, AND SRM 51-30-5. - [SDR DALA102799763](https://openairdocs.org/sdr/DALA102799763.md): Web · cracked · Feb 5, 2010 · N763NW · Doug DC941 · Fuselage Miscellaneous Structure > DURING "L" CHECK FOUND WEB AT STA 239 AT LBL 55, CRACKED. REPAIRED IAW NDT SPM 06-10-01, AND TRM 53-10-18. - [SDR DALA102599763](https://openairdocs.org/sdr/DALA102599763.md): Skin · chafed · Feb 2, 2010 · N763NW · Doug DC941 · Leading Edge Devices > DURING "L" CHECK FOUND RT WING L/E SKIN CHAFED OTBD OF NR4 SLAT. REPAIRED IAW SRM 57-06-7. - [SDR DALA102589763](https://openairdocs.org/sdr/DALA102589763.md): Door Frame · corroded · Feb 2, 2010 · N763NW · Doug DC941 · Fuselage Main, Structure > DURING "L" CHECK FOUND CORROSION ON AFT CARGO DOOR JAMB. REPAIRED IAW SRM 53-05-44. - [SDR DALA102219763](https://openairdocs.org/sdr/DALA102219763.md): Floor Panel · damaged · Jan 29, 2010 · N763NW · Doug DC941 · Fuselage Floor Panel > DURING "L" CHECK FOUND CABIN FLOOR PANEL NR 68 BROKEN ON CORNER. REPAIRED IAW SRM 51-30-02. - [SDR NWAA094329763](https://openairdocs.org/sdr/NWAA094329763.md): Light · inoperative · Dec 15, 2009 · N763NW · Doug DC941 · Emergency Lighting > DURING LINE CHECK, MAINTENANCE FOUND THAT THE EMERGENCY PATHWAY LIGHTING IN ROW 6 WAS INOPERATIVE. MAINTENANCE REPLACED THE LIGHT ASSEMBLY AND FUNCTIONALLY CHECKED IT. - [SDR NWAA0989763](https://openairdocs.org/sdr/NWAA0989763.md): Battery Pack · inoperative · Jan 9, 2009 · N763NW · Doug DC941 · Emergency Lighting > DURING LINE CHECK, MX FOUND THAT THE EMERGENCY PATHWAY LIGHTING IN ROWS 9-12 OF THE CABIN WERE INOPERATIVE. MX REPLACED THE BATTERIES IN THE POWER SUPPLY AND THE LIGHTS RETURNED TO AN OPERATIONAL CONDITION. (K) - [SDR NWAA0929763](https://openairdocs.org/sdr/NWAA0929763.md): Battery Pack · inoperative · Jan 6, 2009 · N763NW · Doug DC941 · Emergency Lighting > DURING LINE CHECK, MX FOUND THAT THE EMERGENCY PATHWAY LIGHTING IN ROWS 9-11 OF THE CABIN WERE INOPERATIVE. MX REPLACED BATTERIES. OPS CHECK WAS GOOD. (K) - [SDR NWAA085369763](https://openairdocs.org/sdr/NWAA085369763.md): Battery Pack · discharged · Dec 3, 2008 · N763NW · Doug DC941 · Emergency Lighting > DURING LINE CHECK MX FOUND THAT THE EMERGENCY PATHWAY LIGHTING IN ROWS 12-15 OF THE CABIN GO OUT AFTER ABOUT 10 SECONDS. MX CHARGED THE BATTERY PACK AND THE LIGHTS RETURNED TO AN OPERATIONAL CONDITION. - [SDR NWAA085359763](https://openairdocs.org/sdr/NWAA085359763.md): Battery Pack · inoperative · Dec 3, 2008 · N763NW · Doug DC941 · Emergency Lighting > DURING LINE CHECK THE AFT LT OVERWING EMERGENCY EXIT SIGN WAS FOUND TO BE INOPERATIVE. MX REPLACED THE BATTERIES. OPS CHECK WAS GOOD. - [SDR NWAA082769763](https://openairdocs.org/sdr/NWAA082769763.md): Battery · inoperative · Jun 18, 2008 · N763NW · Doug DC941 · Emergency Lighting > DURING LINE CHECK, MAINTENANCE FOUND THAT THE EMERGENCY PATHWAY LIGHTING IN THE FIRST CLASS ROWS OF SEATS IN THE CABIN HAD FAILED. MAINTENANCE REPLACED THE BATTERIES. OPERATIONAL CHECK WAS GOOD. (A) - [SDR NWAA070709763](https://openairdocs.org/sdr/NWAA070709763.md): Valve · leaking · Feb 27, 2007 · N763NW · Doug DC941 · Hydraulic System, Main > FLIGHT CREW NOTICED THE RIGHT HYDRAULIC SYSTEM HAD LOST ALL FLUID AND PRESSURE WHILE AT CRUISE. COM PROCEDURES WERE COMPLIED WITH AND VERIFIED SYSTEM INOPERATIVE. THE FLIGHT RETURNED TO A NORMAL SAFE LANDING BACK AT DEPARTURE AIRPORT AND WAS TOWED TO THE GAT - [SDR 0602619763](https://openairdocs.org/sdr/0602619763.md): Controller · malfunctioned · Dec 7, 2006 · N763NW · Doug DC941 · Cabin Pressure Controller > THE FLIGHT CREW NOTICED THE LOSS OF CABIN PRESSURE WHILE IN CRUISE FLIGHT AND ATTEMPTED TO RECOVER IT WITH MANUAL CONTROL. COM PROCEDURES WERE COMPLIED WITH AND CREW TRIED AUTO CONTROL AGAIN BUT AFTER 2 - 3 MINUTES THE SYSTEM WENT TO FULL CLIMB. AT THAT POIN - [SDR 0501719763](https://openairdocs.org/sdr/0501719763.md): Coalescer Bag · contaminated · Dec 11, 2005 · N763NW · Doug DC951 · Humidity Control System > JUST BEFORE LANDING AN ACRID SMELL WAS NOTICED IN THE AIRCRAFT. THE FLIGHT ATTENDANTS REPORTED THE RT AFT LAVATORY SMOKE DETECTOR WAS SOUNDING. NO VISIBLE SMOKE WAS SEEN AND NO FIRE WAS LOCATED. IT WAS NOTED THAT THE APU WAS NOT OPERATING. AIRCRAFT LANDED NORM - [SDR 0401979763](https://openairdocs.org/sdr/0401979763.md): Odor · detected · Nov 5, 2004 · N763NW · Doug DC951 · Air Distribution System > ON APPROACH, FLIGHT ATTENDANT REPORTED BRIEF HOT ELECTRICAL ODOR AROUND ROWS 8-16. NO SMOKE WAS OBSERVED. ALL INDICATIONS WERE NORMAL. FLIGHT LANDED WITHOUT INCIDENT. MAINTENANCE INSPECTED CEILING AND SIDEWALL AND EMERGENCY LIGHTS. NO TROUBLE FOUND. RAN - [SDR 0400019763](https://openairdocs.org/sdr/0400019763.md): Line · failed · Jan 2, 2004 · N763NW · Doug DC951 · Hydraulic System, Main > AT TOP OF DESCENT, RIGHT HYDRAULIC QUANTITY INDICATED ZERO. A SHORT TIME LATER, THE RIGHT HYDRAULIC PRESSURE LOW LIGHT ILLUMINATED. FOLLOWED COM PROCEDURES AND LANDING GEAR EXTENDED NORMALLY WITHOUT THE USE OF ALTERNATE EXTENSION PROCEDURES. FLIGHT LANDED W - [SDR 0201079763](https://openairdocs.org/sdr/0201079763.md): Smoke Detector · malfunctioned · Mar 30, 2002 · N763NW · Doug DC951 · Smoke Detection > DURING LANDING ROLL, THE MASTER WARNING LIGHT ILLUMINATED ALONG WITH THE FORWARD CARGO FIRE BELL AND CARGO SMOKE WARNING ANNUNCIATOR. COMPLIED WITH COM PROCEDURES BUT THE WARNING INDICATIONS REMAINED. CREW DISCHARGED THE CARGO FIRE SUPPRESSION AGENT PER COM. L - [SDR 0001949763](https://openairdocs.org/sdr/0001949763.md): Smoke Detector · malfunctioned · Jun 4, 2000 · N763NW · Doug DC941 · Smoke Detection > CLIMBING OUT OF BNA, CREW HAD FORWARD CARGO SMOKE INDICATION. FOLLOWED COM PROCEDURE, DISCHARGED FIRE BOTTLE, BUT WAS UNABLE TO EXTINGUISH WARNING LIGHT. FLIGHT RETURNED TO BNA AND LANDED WITHOUT INCIDENT. MAINTENANCE REPLACED THE FIRE BOTTLE AND PERFORMED - [SDR 9902249763](https://openairdocs.org/sdr/9902249763.md): Battery · discharged · Jun 26, 1999 · N763NW · Doug DC941 · Emergency Lighting > DURING LINE CHECK, FOUND AFT STAIRWAY AND TAIL CONE EMERGENCY LIGHTING INOPERATIVE. MAINTENANCE REPLACED BATTERIES, OPERATIONAL CHECK NORMAL. - [SDR 9900739763](https://openairdocs.org/sdr/9900739763.md): Outflow Valve · malfunctioned · Feb 28, 1999 · N763NW · Doug DC941 · Pressure Regulator/Outflow Valve > LOSS OF CABIN PRESSURIZATION OCCURRED DURING CRUISE FLIGHT AT 29,000 FEET. CABIN ALTITUDE ROSE TO 17,000 FEET AND OXYGEN MASKS WERE DEPLOYED THROUGHOUT THE CABIN. CREW EXECUTED EMERGENCY DESCENT TO 11,000 FEET. FLIGHT WAS DIVERTED TO CRW AND LANDED WITHOUT - [SDR 9806779763](https://openairdocs.org/sdr/9806779763.md): Fuel Control · malfunctioned · Apr 18, 1998 · N763NW · Doug DC941 · Fuel Control/Turbine Engines > DURING CLIMB TO MAINTAIN EQUAL POWER SETTINGS, THE POWER LEVERS WERE SPLIT WITH THE LEFT FORWARD OF THE RIGHT. CREW ELECTED TO RETURN TO DTW. MAINTENANCE REPLACED THE LEFT ENGINE FUEL CONTROL UNIT. ENGINE OPERATIONAL CHECK OK. - [SDR 9802549763](https://openairdocs.org/sdr/9802549763.md): Power Supply · inoperative · Feb 11, 1998 · N763NW · Doug DC941 · Emergency Lighting > DURING LINE CHECK, FOUND FORWARD OVERWING EMERGENCY LIGHTS INOPERATIVE. MAINTENANCE REPLACED POWER SUPPLY. OPERATIONAL CHECK OK. - [SDR 9710059763](https://openairdocs.org/sdr/9710059763.md): Clips · out of adjust · May 20, 1997 · N763NW · Doug DC941 · Aerodynamic Fairings > DURING TAIL CONE FUNCTIONAL CHECK, FOUND THAT INADEQUATE FORCE WAS REQUIRED TO PULL THE EXTERIOR RELEASE HANDLE FROM THE RETAINING CLIPS. ALSO, FOUND THAT 6 ALIGNMENT PINS BOTTOM OUT. SHIMMED ALIGNMENT PINS AND ADJUSTED CLIPS, FUNCTIONAL CHECK OK. - [SDR 9708469763](https://openairdocs.org/sdr/9708469763.md): Release Mech · out of adjust · Apr 30, 1997 · N763NW · Doug DC941 · Aerodynamic Fairings > DURING TAILCONE FUNCTIONAL CHECK, FOUND THE TAIL CONE DID NOT DROP AND EXCESSIVE FORCE WAS REQUIRED TO REMOVE HANDLE FROM CLIPS. ALSO, FOUND THE UPPER TWO GUIDE PIN BEARING PLATES ON THE TAIL CONE WORN AND NIINE GUIDE PINS WORN. CLEANED SEAL, REPLACED BEARIN - [SDR 9700919763](https://openairdocs.org/sdr/9700919763.md): Out Flow Valve · failed · Jan 19, 1997 · N763NW · Doug DC941 · Pressure Regulator/Outflow Valve > AFTER TAKEOFF, THE AIRCRAFT WOULD NOT PRESSURIZE. FOLLOWED COCKPIT OPERATING MANUAL PROCEDURE. FLIGHT RETURNED TO MSP AND LANDED WITHOUT INCIDENT. REPLACED OUTFLOW VALVE ACTUATOR, OPERATIONAL CHECK OK. - [SDR 9626859763](https://openairdocs.org/sdr/9626859763.md): Battery Pack · discharged · Dec 16, 1996 · N763NW · Doug DC941 · Emergency Lighting > DURING LINE CHECK, FOUND MID SECTION EMERGENCY LIGHTS BY EMERGENCY EXIT DOORS INOPERATIVE. REPLACED 05-903 BATTERY PACK AND CHARGER. OPERATION CHECKS GOOD. - [SDR 9617359763](https://openairdocs.org/sdr/9617359763.md): High Temp Sensor · malfunctioned · Aug 11, 1996 · N763NW · Doug DC941 · Airfoil Anti/De-ice System > AFTER TAKEOFF POWER WAS APPLIED, THE LEFT ICE PROTECTION TEMPERATURE HIGH LIGHT ILLUMINATED. NO ICE PROTECTION WAS SELECTED ON. LIGHT REMAINED ON UNTIL HIGH PRESSURE BLEED SWITCH WAS TURNED OFF. REPLACED THE HIGH TEMPERATURE SENSOR, OPERATIONAL CHECK OK. - [SDR 9616399763](https://openairdocs.org/sdr/9616399763.md): Annunciator Mod · failed · Jul 26, 1996 · N763NW · Doug DC941 · Landing Gear Position and Warning > ON APPROACH, NOSE GEAR LIGHT FAILED TO ILLUMINATE THE FIRST TWO TIMES GEAR WAS LOWERED. ON THE THIRD ATTEMPT, ALL INDICATIONS WERE NORMAL. PROBLEM FOUND TO BE IN NOSE GEAR ANNUNCIATOR MODULE. CLEANED ANUNCIATOR, CHANGED BULB, AND SWUNG GEAR TEN TIMES. ALL - [SDR 9613669763](https://openairdocs.org/sdr/9613669763.md): Vertical Gyro · failed · Jun 20, 1996 · N763NW · Doug DC941 · Attitude Gyro and Indicating System > DURING CRUISE, WEATHER RADAR BECAME INOPERATIVE. DUE TO EN ROUTE WEATHER, FLIGHT DIVERTED TO ATL AND LANDED WITHOUT INCIDENT. REPLACED NR 1 VERTICAL GYRO, OPERATIONAL CHECK OK. - [SDR 9610929763](https://openairdocs.org/sdr/9610929763.md): Frame · corroded · Apr 19, 1996 · N763NW · Doug DC941 · Fuselage Main, Frame > DURING H-CHECK, FOUND CORROSION ON THE FS 1072 FRAME AT THE LEFT CUSP ANGLE. REPAIRED FRAME (P/N 5910163-73) PER EA 97-108880. - [SDR 9608879763](https://openairdocs.org/sdr/9608879763.md): Fitting · corroded · Apr 18, 1996 · N763NW · Doug DC941 · Fuselage Miscellaneous Structure > DURING H-CHECK, FOUND CORROSION ON THE FS 1056 FLOOR BEAM END FITTING AT THE LEFT CUSP. REPLACED FITTING PER SRM 51-30-5. - [SDR 9608869763](https://openairdocs.org/sdr/9608869763.md): Fitting · cracked · Apr 18, 1996 · N763NW · Doug DC941 · Cargo/Baggage Doors > DURING H-CHECK, FOUND A CRACK IN THE AFT CARGO DOOR NR 4 BEAM AFT END FITTING. REPLACED FITTING. - [SDR 9608809763](https://openairdocs.org/sdr/9608809763.md): Fitting · cracked · Apr 17, 1996 · N763NW · Doug DC941 · Service Doors > DURING H-CHECK, FOUND A CRACK IN THE FORWARD SERVICE DOOR END FITTING AT THE LOWER FORWARD HINGE. REPLACED FITTING PER SRM 51-30-5. - [SDR 9609139763](https://openairdocs.org/sdr/9609139763.md): Fitting · cracked · Apr 16, 1996 · N763NW · Doug DC941 · Cargo/Baggage Doors > DURING "H" CHECK, FOUND A CRACK IN THE AFT CARGO DOOR NR 1 BEAM FORWARD END FITTING. REPLACED FITTING PER SRM 51-30-5. - [SDR 9604229763](https://openairdocs.org/sdr/9604229763.md): Battery Pack · discharged · Feb 16, 1996 · N763NW · Doug DC941 · Emergency Lighting > DURING LINE CHECK, FOUND ONE SECTION OF EMERGENCY LIGHTS INOPERATIVE AT SECTION 886. REPLACED BATTERY PACK AND OPERATIONAL CHECK GOOD. - [SDR 9600019763](https://openairdocs.org/sdr/9600019763.md): Radar Syst · malfunctioned · Jan 1, 1996 · N763NW · Doug DC941 · Weather Radar System > WEATHER RADAR WOULD NOT PAINT GROUND RETURNS AND BEGAN SPOKING AFTER TAKEOFF. FLIGHT RETURNED TO DTW AND LANDED WITHOUT INCIDENT. REPLACED RADAR TRANSCEIVER AND INDICATOR WITH NO HELP. DEFERRED RADAR SYSTEM PER MEL 34-19 AND AIRCRAFT RETURNED TO SERVICE. - [SDR 9516199763](https://openairdocs.org/sdr/9516199763.md): Door Switch · failed · Oct 17, 1995 · N763NW · Doug DC941 · Landing Gear Position and Warning > DURING CLIMB, LANDING GEAR DOOR OPEN LIGHT REMAINED ILLUMINATED AFTER LANDING GEAR RETRACTION. RECYCLED LANDING GEAR AND LIGHT REMAINED ILLUMINATED. AIRCRAFT RETURNED TO DTW AND LANDED WITHOUT INCIDENT. REPLACED LEFT MAIN LANDING GEAR DOOR WARNING SWITCH AN - [SDR 9518569763](https://openairdocs.org/sdr/9518569763.md): Skin · cracked · Oct 14, 1995 · N763NW · Doug DC941 · Trailing Edge Flaps > DURING LINE CHECK, FOUND CRACKS IN THE LEFT AND RIGHT FLAP TRAILING EDGES. REPAIRED FLAPS PER EA 98-104972, -104973 RESPECTIVELY. ## 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 = 'N763NW' AND deregistration_id = 'N763NW-2011-02-09' ORDER BY difficulty_date DESC ``` This list as a web page: https://openairdocs.org/deregistered/N763NW-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.