# Service difficulty reports: N9334, cancelled Nov 13, 2008 A list on [N9334, cancelled Nov 13, 2008](https://openairdocs.org/deregistered/N9334-2008-11-13.md). Matched to this aircraft by N-number and event date, checked against the reported serial number, make and model. Newest first. - [SDR 0301379970](https://openairdocs.org/sdr/0301379970.md): Valve · faulty · Jul 27, 2003 · N9334 · Doug DC931 · Humidity Control System > CABIN PRESSURE FLUCTUATED AT CRUISE POWER WITH ICE PROTECTION ACTIVATED. CABIN CLIMBED IN AUTO MODE AND CREW ATTEMPTED TO STOP CABIN CLIMB IN MANUAL MODE. RED CABIN PRESS LIGHT ILLUMINATED SO CREW INITIATED A RAPID DESCENT AND FOLLOWED RED-BORDER CHECK LIST. - [SDR 0200929970](https://openairdocs.org/sdr/0200929970.md): Rib · cracked · Mar 26, 2002 · N9334 · Doug DC931 · Wing, Control Surfaces > During Overnight CK. in MSP the #5 leading edge rib was found cracked common to the lower most aft fastener hole. The crack was.5" long. Repaired per EA 99-189349. - [SDR 9904109970](https://openairdocs.org/sdr/9904109970.md): Batteries · discharged · Sep 29, 1999 · N9334 · Doug DC931 · Emergency Lighting > FORWARD CABIN EMERGENCY LIGHTS INOPERATIVE. REPLACED BATTERIES, OPERATIONAL CHECK NORMAL. - [SDR 9904039970](https://openairdocs.org/sdr/9904039970.md): Batteries · discharged · Sep 22, 1999 · N9334 · Doug DC931 · Emergency Lighting > DURING LINE MAINTENANCE INSPECTION, FOUND COCKPIT AND ENTRY DOOR EMERGENCY LIGHTS INOPERATIVE. REPLACED BATTERIES IN POWER SUPPLY, OPERATIONAL CHECK NORMAL. - [SDR 9810509970](https://openairdocs.org/sdr/9810509970.md): Spar Cap · cracked · Sep 29, 1998 · N9334 · Doug DC931 · Wing Spar > DURING M-CHECK, A CRACK WAS FOUND IN THE REAR SPAR LOWER CAP AT FS XRS 353. REPAIRED PER EA 99-159317 (P/N 5911301-502). - [SDR 9811409970](https://openairdocs.org/sdr/9811409970.md): Web · corroded · Aug 27, 1998 · N9334 · Doug DC931 · Fuselage Miscellaneous Structure > DURING M CHECK, FOUND CORROSION ON FORWARD KEEL AREA SECTION OF CENTER VERTICAL WEB FS 612-639. REPAIRED PER EA 99-159349. - [SDR 9809439970](https://openairdocs.org/sdr/9809439970.md): Sensor · broken · May 31, 1998 · N9334 · Doug DC931 · Landing Gear Position and Warning > DURING APPROACH, THE NOSE LANDING GEAR GREEN LIGHT DID NOT ILLUMINATE AFTER GEAR EXTENSION. EMERGENCY GEAR EXTENSION PROCEDURES WERE UTILIZED AND THE AIRCRAFT LANDED WITHOUT INCIDENT. MAINTENANCE FOUND NOSE GEAR PROXIMITY SENSOR BROKEN. REPLACED SENSOR. ALS - [SDR 9803249970](https://openairdocs.org/sdr/9803249970.md): Battery · discharged · Feb 20, 1998 · N9334 · Doug DC931 · Emergency Lighting > FLIGHT ATTENDANT REPORTED, AFT EMERGENCY FLASHLIGHT INOPERATIVE. REPLACED BATTERY, OPERATIONAL CHECK NORMAL. - [SDR 9800659970](https://openairdocs.org/sdr/9800659970.md): Battery Pack · discharged · Jan 11, 1998 · N9334 · Doug DC931 · Emergency Lighting > DURING LINE MAINTENANCE INSPECTION, FOUND LEFT ENGINE NACELLE EMERGENCY LIGHT INOPERATIVE. REPLACED BATTERY PACK, OPERATIONAL CHECK NORMAL. - [SDR 9721299970](https://openairdocs.org/sdr/9721299970.md): Blkhd Doubler · cracked · Oct 22, 1997 · N9334 · Doug DC931 · Fuselage Main, Bulkhead > DURING L-CHECK, FOUND A CRACK IN THE -85 DOUBLER ON THE AFT PRESSURE BULKHEAD. REPAIRED PER EA 99-151775. - [SDR 9716749970](https://openairdocs.org/sdr/9716749970.md): Batteries · discharged · Sep 2, 1997 · N9334 · Doug DC931 · Emergency Lighting > DURING LINE MAINTENANCE INSPECTION, FOUND TAILCONE, VENTRAL, AND AFT CABIN OVERHEAD EMERGENCY LIGHTS INOPERATIVE. REPLACED BATTERIES. OPERATIONAL CHECK NORMAL. - [SDR 9713759970](https://openairdocs.org/sdr/9713759970.md): Fuse · blown · Jul 12, 1997 · N9334 · Doug DC931 · Emergency Lighting > DURING LINE MAINTENANCE INSPECTION, FOUND EMERGENCY LIGHTING FROM ROW 18 TO AFT CABIN DOOR INOPERATIVE. REPLACED BLOWN FUSE, OPERATIONAL CHECK NORMAL. - [SDR 9709169970](https://openairdocs.org/sdr/9709169970.md): Clamps · loose · May 2, 1997 · N9334 · Doug DC931 · Pneumatic Distribution System > TAIL COMPARTMENT TEMPERATURE HIGH LIGHT ILLUMINATED AFTER TAKEOFF. FLIGHT RETURNED TO AUS AND LANDED WITHOUT INCIDENT. MAINTENANCE TIGHTENED LOOSE CLAMPS TO RIGHT AUGMENTATION VALVE. LEAK AND OPERATIONAL CHECK NORMAL. - [SDR 9708579970](https://openairdocs.org/sdr/9708579970.md): Regulator · malfunctioned · Apr 28, 1997 · N9334 · Doug DC931 · Crew Oxygen System > CREW OXYGEN BOTTLE DROPPED FROM 900 PSI TO 700 PSI IN APPROXIMATELY ONE MINUTE DURING CRUISE. FLIGHT DIVERTED TO MKE AND LANDED WITHOUT INCIDENT. MAINTENANCE REPLACED CREW OXYGEN BOTTLE REGULATOR AND FIRST OFFICER'S OXYGEN REGULATOR. LEAK AND OPERATIONAL CH - [SDR 9706849970](https://openairdocs.org/sdr/9706849970.md): Release Mech · out of adjust · Apr 1, 1997 · N9334 · Doug DC931 · Aerodynamic Fairings > DURING LINE CHECK, FOUND THAT EXCESSIVE FORCE WAS REQUIRED TO ACTUATE TAILCONE RELEASE SYSTEM. RIGGED RELEASE SYSTEM. OPERATIONAL CHECK OK. - [SDR 9627129970](https://openairdocs.org/sdr/9627129970.md): Battery Pack · discharged · Dec 29, 1996 · N9334 · Doug DC931 · Emergency Lighting > DURING LINE MAINTENANCE INSPECTION, FOUND OVERHEAD EMERGENCY LIGHTS AT ROW 12 AND 14 INOPERATIVE. REPLACED BATTERY PACK, OPERATIONAL CHECK NORMAL. - [SDR 9622759970](https://openairdocs.org/sdr/9622759970.md): Battery Pack · discharged · Oct 24, 1996 · N9334 · Doug DC931 · Emergency Lighting > DURING LINE MAINTENANCE INSPECTION, FOUND EMERGENCY FLASHLIGHT BY AFT FLIGHT ATTENDANT SEAT INOPERATIVE. REPLACED BATTERY PACK, OPERATIONAL CHECK NORMAL. - [SDR 9622749970](https://openairdocs.org/sdr/9622749970.md): Battery Pack · discharged · Oct 24, 1996 · N9334 · Doug DC931 · Emergency Lighting > DURING LINE MAINTENANCE, FOUND AFT OVERWING EXIT EMERGENCY LIGHTS INOPERATIVE. REPLACED BATTERY PACK, OPERATIONAL CHECK NORMAL. - [SDR 9620179970](https://openairdocs.org/sdr/9620179970.md): Battery · discharged · Sep 18, 1996 · N9334 · Doug DC931 · Emergency Lighting > DURING LINE MAINTENANCE INSPECTION, FOUND EMERGENCY FLASHLIGHT ABOVE FORWARD FLIGHT ATTENDANT INOPERATIVE. REPLACED BATTERY, OPERATIONAL CHECK NORMAL. - [SDR 9619429970](https://openairdocs.org/sdr/9619429970.md): Differental Sw · failed · Sep 9, 1996 · N9334 · Doug DC931 · Engine Oil Indicating System > WHILE APPLYING POWER FOR TAKEOFF, THE RIGHT ENGINE OIL STRAINER CLOGGING LIGHT ILLUMINATED. CREW ABORTED TAKEOFF AND RETURNED TO THE GATE. MAINTENANCE REPLACED THE RIGHT ENGINE OIL FILTER AND OIL FILTER DIFFERENTIAL SWITCH. LEAK AND OPERATIONAL CHECK OK. - [SDR 9617289970](https://openairdocs.org/sdr/9617289970.md): Batteries · discharged · Aug 10, 1996 · N9334 · Doug DC931 · Emergency Lighting > DURING PREFLIGHT CHECK, FOUND FORWARD CABIN EMERGENCY LIGHTS INOPERATIVE. REPLACED BATTERIES IN BATTERY PACK, OPERATIONAL CHECK NORMAL. - [SDR 9606109970](https://openairdocs.org/sdr/9606109970.md): Battery Pack · discharged · Mar 13, 1996 · N9334 · Doug DC931 · Emergency Lighting > DURING LINE MAINTENANCE INSPECTION, FOUND BOTH AFT OVERWING EXIT EMERGENCY LIGHTS INOPERATIVE. REPLACED BATTERY PACK AND OPERATIONAL CHECK NORMAL. - [SDR 9602409970](https://openairdocs.org/sdr/9602409970.md): Rib · cracked · Jan 27, 1996 · N9334 · Doug DC931 · Wing, Rib/Bulkhead > DURING M-CHECK, FOUND A CRACK IN THE LEFT WING FUEL TANK RIB TO LOWER WING ATTACH FITTING, XRS 69 AT STR 11. REPLACED FITTING PER SRM 51-30-2. - [SDR 9521679970](https://openairdocs.org/sdr/9521679970.md): Strut · reqd service · Dec 26, 1995 · N9334 · Doug DC931 · Nose/Tail Landing Gear Strut/Axle > LANDING GEAR WOULD NOT RETRACT AFTER TAKE-OFF DUE TO GROUND SHIFT FAILURE. FLIGHT CONTINUED TO DESTINATION (MSP) AND LANDED WITHOUT INCIDENT. NOTE: EMERGENCY EQUIPMENT WAS CALLED OUT AS A PRECAUTIONARY MEASURE. CYCLED GEAR SEVERAL TIMES. ALL CHECKED NORMA - [SDR 9519709970](https://openairdocs.org/sdr/9519709970.md): Battery Pack · discharged · Dec 6, 1995 · N9334 · Doug DC931 · Emergency Lighting > DURING LINE CHECK, FOUND TAILCONE EMERGENCY LIGHTS DIM. REPLACED BATTERY PACK. OPERATIONAL CHECK GOOD. - [SDR 9519699970](https://openairdocs.org/sdr/9519699970.md): Battery Pack · discharged · Dec 6, 1995 · N9334 · Doug DC931 · Emergency Lighting > DURING LINE CHECK, FOUND TAIL AIRSTAIR EMERGENCY LIGHTS DIM. REPLACED BATTERY PACK. OPERATIONAL CHECK GOOD. - [SDR 9517409970](https://openairdocs.org/sdr/9517409970.md): Air Ground Relay · malfunctioned · Nov 4, 1995 · N9334 · Doug DC931 · Landing Gear Position and Warning > DURING CRUISE, THE AIRCRAFT LOST PRESSURIZATION AT 23,000 FEET. CREW EMERGENCY DESCENDED TO 12,000 FEET AND CONTINUED TO DTW. THE AIRCRAFT LANDED WITHOUT INCIDENT. REPLACED THE AIR/GROUND RELAY (R2-4), OPERATIONAL CHECK GOOD. - [SDR 9514479970](https://openairdocs.org/sdr/9514479970.md): Controller · malfunctioned · Sep 19, 1995 · N9334 · Doug DC931 · Cabin Pressure Controller > AFTER TAKEOFF, AUTO-PRESSURIZATION SYSTEM FAILED. FLIGHT RETURNED TO MEM AND LANDED WITHOUT INCIDENT. REPLACED CABIN PRESSURE CONTROLLER AND AMPLIFIER. OPERATIONAL CHECK OK AND AIRCRAFT RETURNED TO SERVICE. - [SDR 9514379970](https://openairdocs.org/sdr/9514379970.md): Retract Mech · out of adjust · Sep 13, 1995 · N9334 · Doug DC931 · Landing Gear Door Retract Section > HOU - RIGHT MAIN LANDING GEAR DOOR WAS OPEN AND SCRAPPED ON LANDING. THE GEAR DOOR OPEN LIGHT WAS NOT ILLUMINATED. FOUND RIGHT MAIN GEAR SEQUENCE PUSH/PULL TELESCOPING TUBE BINDING. REPLACED AND ADJUSTED SEQUENCE CABLE AND HOUSING, CLEANED ASSEMBLY. ALSO, - [SDR 9514289970](https://openairdocs.org/sdr/9514289970.md): Airspeed Ind · malfunctioned · Sep 12, 1995 · N9334 · Doug DC931 · Airspeed/Mach Indicator > CAPTAIN'S AIRSPEED INDICATOR WAS FROZEN AT 150 KNOTS ON TAKEOFF, THEN DROPPED TO 60 KNOTS. FLIGHT RETURNED TO PHX AND LANDED WITHOUT INCIDENT. REPLACED CAPTAIN'S AIRSPEED INDICATOR AND OPERATIONAL CHECK OK. AIRCRAFT RETURNED TO SERVICE. - [SDR 9514609970](https://openairdocs.org/sdr/9514609970.md): Cusp · corroded · Sep 8, 1995 · N9334 · Doug DC931 · Fuselage Miscellaneous Structure > DURING H-CHECK, FOUND CORROSION ON THE RIGHT CUSP BETWEEN FS 965 TO 966. REPAIRED PER EA 99-102778. - [SDR 9514149970](https://openairdocs.org/sdr/9514149970.md): Fitting · cracked · Sep 8, 1995 · N9334 · Doug DC931 · Wing Miscellaneous Structure > DURING H-CHECK, FOUND A CRACK IN THE RIGHT WING TRAILING EDGE CAP FITTING AT STATION XTE 161.708. REPLACED FITTING PER SRM 51-30-0. - [SDR 9513979970](https://openairdocs.org/sdr/9513979970.md): Frame · cracked · Sep 5, 1995 · N9334 · Doug DC931 · Fuselage Main, Frame > DURING H-CHECK, FOUND CRACKS IN THE FS 622 FRAME ATTACH FITTINGS INBOARD OF LONGERON 24L. REPLACED FITTINGS PER SRM 51-10-02, 51-10-03, 51-30-0. - [SDR 9503529970](https://openairdocs.org/sdr/9503529970.md): Seals · failed · Mar 4, 1995 · N9334 · Doug DC931 · Pneumatic Distribution System > TAIL COMPARTMENT TEMPERATURE HIGH LIGHT ILLUMINATED DURING CLIMB-OUT. FLIGHT RETURNED TO DTW AND LANDED WITHOUT INCIDENT. REPLACED PERI SEALS ON SUPPLY DUCT GOING TO WING ANTI-ICE. ALSO, REPLACED BAD NUT AND SECURED CLAMP ON UPSTREAM SIDE OF AUGMENTATION VA - [SDR 9503369970](https://openairdocs.org/sdr/9503369970.md): Ac Generator · failed · Mar 1, 1995 · N9334 · Doug DC931 · AC Generator-Alternator > EN ROUTE DTW-ROC, THE NR 2 GENERATOR EXPERIENCED AN UNCONTAINED FAILURE. THE GENERATOR FAILURE PENETRATED THE ENGINE FAN CASE CAUSING NR 2 ENGINE TO VIBRATE. THE ENGINE WAS SHUT DOWN AND THE FLIGHT DIVERTED TO BUF LANDING WITHOUT INCIDENT. THE ENGINE WAS RE ## 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 = 'N9334' AND deregistration_id = 'N9334-2008-11-13' ORDER BY difficulty_date DESC ``` This list as a web page: https://openairdocs.org/deregistered/N9334-2008-11-13/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.