# Service difficulty reports: N94S, cancelled Sep 21, 1999 A list on [N94S, cancelled Sep 21, 1999](https://openairdocs.org/deregistered/N94S-1999-09-21.md). Matched to this aircraft by N-number and event date, checked against the reported serial number, make and model. Newest first. - [SDR 9810599104](https://openairdocs.org/sdr/9810599104.md): Battery · discharged · Sep 16, 1998 · N94S · Doug DC915 · Emergency Lighting > DURING LINE CHECK, FOUND FORWARD EMERGENCY LIGHTS INOPERATIVE. MAINTENANCE REPLACED BATTERY PACK. OPERATIONAL CHECK NORMAL - [SDR 9809829104](https://openairdocs.org/sdr/9809829104.md): Retract Mech · out of adjust · Jul 18, 1998 · N94S · Doug DC915 · Landing Gear Retraction/Extension System > AFTER TAKEOFF, THE LANDING GEAR WOULD NOT RETRACT. THE FLIGHT CREW FOLLOWED COM PROCEDURES, RETRACTED THE LANDING GEAR BY PUSHING THE LANDING HANDLE RELEASE BUTTON. FLIGHT RETURNED TO MEM AND LANDED WITHOUT INCIDENT. MAINTENANCE RIGGED THE ANTI-RETRACTION - [SDR 9807279104](https://openairdocs.org/sdr/9807279104.md): Socket · inoperative · Apr 24, 1998 · N94S · Doug DC915 · Emergency Lighting > DURING LINE CHECK, FOUND 2 RED EMERGENCY PATH LIGHTS INOPERATIVE. MAINTENANCE REPLACED 2 SOCKET ASSEMBLIES, OPERATIONAL CHECK NORMAL. - [SDR 9721949104](https://openairdocs.org/sdr/9721949104.md): Flap Assy · failed · Nov 20, 1997 · N94S · Doug DC915 · Trailing Edge Flaps > DURING DESCENT, AIRCRAFT INCURRED A NON-SYMMETRICAL FLAP CONDITION WITH THE LEFT FLAP SETTING AT 50 DEGREES AND THE RIGHT FLAP SETTING AT 30 DEGREES. CAPTAIN DECLARED A YELLOW EMERGENCY SITUATION, ALERTED EMERGENCY EQUIPMENT, AND LANDED WITHOUT INCIDENT. MAI - [SDR 9715779104](https://openairdocs.org/sdr/9715779104.md): Skin · corroded · Jul 14, 1997 · N94S · Doug DC915 · Fuselage Main, Plate/Skin > DURING LINE CHECK, FOUND CORROSION ON SKIN JUST AFT OF RIGHT BATTERY VENT DISCHARGE PORT. REPAIRED PER EA 91-151146. - [SDR 9715769104](https://openairdocs.org/sdr/9715769104.md): Doubler · corroded · Jul 14, 1997 · N94S · Doug DC915 · Fuselage Miscellaneous Structure > DURING LINE CHECK, FOUND CORROSION ON INNER DOUBLER FORWARD OF E/E COMPARTMENT. REPAIRED PER EA 91-151146. - [SDR 9709899104](https://openairdocs.org/sdr/9709899104.md): Vert Gyro · inoperative · May 19, 1997 · N94S · Doug DC915 · Attitude Gyro and Indicating System > NR 1 VERTICAL GYRO BECAME INOPERATIVE EN ROUTE. FLIGHT RETURNED TO MSP AND LANDED WITHOUT INCIDENT. REPLACED NR 1 VERTICAL GYRO, OPERATIONAL CHECK OK. - [SDR 9705509104](https://openairdocs.org/sdr/9705509104.md): Wire · broken · Mar 14, 1997 · N94S · Doug DC915 · Light System Wiring > DURING LINE CHECK, FOUND EMERGENCY FLOOR PATH LIGHTS INOPERATIVE. FOUND BROKEN WIRE IN FRONT OF ROW 1. REPAIRED WIRE. OPERATIONAL CHECK OK. - [SDR 9703389104](https://openairdocs.org/sdr/9703389104.md): Water Line · damaged · Feb 14, 1997 · N94S · Doug DC915 · Water and Waste System > AS DESCENT WAS INITIATED, THE RIGHT ENGINE THRUST LEVER WOULD NOT MOVE FROM ITS CURRENT POSITION. CREW SHUT DOWN THE RIGHT ENGINE. CONTINUED TO DESTINATION AND LANDED WITHOUT FURTHER INCIDENT. MAINTENANCE REPLACED DAMAGED WATER LINE ON RIGHT SIDE OF AIRCRAFT - [SDR 9625069104](https://openairdocs.org/sdr/9625069104.md): Csd · failed · Nov 19, 1996 · N94S · Doug DC915 · Alternator-Generator Drive > DURING CLIMBOUT AT ABOUT 3,000 FT EXPERIENCED WHAT APPEARED TO BE INTERMITTANT POWER INTERRUPTIONS. FLASHING ANNUNCIATOR LIGHTS AND CLICKING SOUNDS COMING FROM CIRCUIT BREAKER PANEL LOWER AREA OR E & E COMPARTMENT. RIGHT GENERATOR VOLTS NORMAL BUT CYCLES JUS - [SDR 9619179104](https://openairdocs.org/sdr/9619179104.md): Batteries · discharged · Sep 5, 1996 · N94S · Doug DC915 · Emergency Lighting > DURING LINE CHECK, FOUND EMERGENCY LIGHTS IN FIRST CLASS CABIN INOPERATIVE. REPLACED BATTERIES, OPERATIONAL CHECK OK. - [SDR 9618219104](https://openairdocs.org/sdr/9618219104.md): Stall Warning · activated · Aug 20, 1996 · N94S · Doug DC915 · Stall Warning System > AFTER TAKEOFF, FIRST OFFICER'S STALL WARNING AND STICK SHAKER ACTIVATED. UNABLE TO ISOLATE WHICH SYSTEM FAILED. RETURNED TO MSP AND LANDED WITHOUT INCIDENT. REPLACED LEFT AND RIGHT STALL WARNING TRANSDUCERS AND SUMMING UNIT. SYSTEM TESTED GOOD. - [SDR 9617089104](https://openairdocs.org/sdr/9617089104.md): Oil Filter · clogged · Aug 8, 1996 · N94S · Doug DC915 · Turbine Engine Oil System > DURING TAKEOFF ROLL, RIGHT ENGINE OIL STRAINER CLOGGING LIGHT ILLUMINATED. CREW ABORTED TAKEOFF AND RETURNED TO GATE WITHOUT INCIDENT. MAINTENANCE REPLACED RIGHT ENGINE OIL FILTER, OPS AND LEAK CHECK OK. - [SDR 9616909104](https://openairdocs.org/sdr/9616909104.md): Battery Pack · discharged · Aug 5, 1996 · N94S · Doug DC915 · Emergency Lighting > DURING LINE CHECK, FOUND FORWARD AND AFT EMERGENCY CEILING LIGHTS INOPERATIVE. REPLACED BATTERY PACKS BETWEEN GALLEYS AND RIGHT AFT LAV, OPERATIONAL CHECK OK. - [SDR 9617599104](https://openairdocs.org/sdr/9617599104.md): Bulkhead Doubler · cracked · Aug 4, 1996 · N94S · Doug DC915 · Fuselage Main, Bulkhead > DURING LINE CHECK, FOUND A.25 INCH CRACK IN THE AFT PRESSURE BULKHEAD UPPER CORNER DOUBLER AND WEB SKIN. REPAIRED SAME (P/N 5910130-13, -111, -113) PER EA DC9-53-024, SB53-166, AND DWG J060110. - [SDR 9616679104](https://openairdocs.org/sdr/9616679104.md): Bulkhead · cracked · Jul 10, 1996 · N94S · Doug DC915 · Fuselage Main, Bulkhead > DURING LINE CHECK, FOUND A 4.5 INCH CRACK IN THE AFT PRESSURE BULKHEAD -13 DOUBLER RADIUS, UPPER RIGHT CORNER. REPAIRED BULKHEAD DOUBLER (P/N 5910130-1) PER EA 91-110928. - [SDR 9608559104](https://openairdocs.org/sdr/9608559104.md): Clips · out of adjust · Apr 10, 1996 · N94S · Doug DC915 · Aerodynamic Fairings > DURING LINE CHECK, FOUND THAT EXCESSIVE FORCE WAS REQUIRED TO PULL THE INTERIOR TAIL CONE HANDLE FROM THE CLIPS. ADJUSTED THE CLIPS, CHECKED OK. - [SDR 9522199104](https://openairdocs.org/sdr/9522199104.md): Skin · cracked · Dec 28, 1995 · N94S · Doug DC915 · Fuselage Main, Plate/Skin > DURING H-CHECK, FOUND A CRACK IN THE FUSELAGE SKIN AFT OF THE MAIN CABIN DOOR FS 200, AT THE 6TH STOP FROM THE TOP. REPAIRED SKIN (P/N 5911406-59) PER EA 91-102632. - [SDR 9521839104](https://openairdocs.org/sdr/9521839104.md): Skin · cracked · Dec 28, 1995 · N94S · Doug DC915 · Passenger/Crew Doors > DURING H-CHECK, FOUND A.25 INCH CRACK IN THE MAIN CABIN DOOR SKIN AT THE AFT SIDE FS 200, NR 4 STOP. REPAIRED SKIN (P/N 5911406-59) PER EA 91-102632. - [SDR 9522189104](https://openairdocs.org/sdr/9522189104.md): Door Pans · cracked · Dec 27, 1995 · N94S · Doug DC915 · Emergency Exits > DURING H-CHECK, FOUND CRACKS IN THE LEFT AND RIGHT OVERWING EMERGENCY EXIT DOOR PANS AT THE UPPER STOPS. REPAIRED PANS (P/N 5913195-1) PER EA 91-103350 AND EA 91-103351. - [SDR 9514459104](https://openairdocs.org/sdr/9514459104.md): Fuel Sys · venting · Sep 24, 1995 · N94S · Doug DC915 · Fuel Storage > AFTER TAKEOFF, FUEL BEGAN VENTING FROM LEFT WING. FLIGHT RETURNED TO DTW AND LANDED WITHOUT INCIDENT. PERFORMED BOOST PUMP CHECK VALVE BACKFLUSH PROCEDURE PER MM 28-20-0. FUEL TRANSFER CHECK WAS OK AND AIRCRAFT RETURNED TO SERVICE. - [SDR 9514849104](https://openairdocs.org/sdr/9514849104.md): Angle · cracked · Sep 12, 1995 · N94S · Doug DC915 · Ventral Structure > DURING B-CHECK, FOUND A CRACK IN THE DORSAL FIN ATTACH ANGLE AT LONGERON 2L. REPAIRED ANGLE (P/N 5939711-1), PER EA 91-99249. ## 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 = 'N94S' AND deregistration_id = 'N94S-1999-09-21' ORDER BY difficulty_date DESC ``` This list as a web page: https://openairdocs.org/deregistered/N94S-1999-09-21/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.