# Service difficulty reports: N1798U, cancelled Feb 6, 2013 A list on [N1798U, cancelled Feb 6, 2013](https://openairdocs.org/deregistered/N1798U-2013-02-06.md). Matched to this aircraft by N-number and event date, checked against the reported serial number, make and model. Newest first. - [SDR 0203479938](https://openairdocs.org/sdr/0203479938.md): Actuator · leaking · Oct 20, 2002 · N1798U · Doug DC931 · Leading Edge Slat Actuator > DURING APPROACH FOR LANDING WHEN CREW SELECTED SLAT DEPLOYMENT, THE AIRCRAFT HAD AN UNCOMMANDED ROLL TO THE LEFT ACCOMPANIED BY SLAT DISAGREEMENT LIGHT. COMPLIED WITH COM PROCEDURES, THE SLATS WERE RETRACTED AND THE AIRCRAFT LANDED WITHOUT INCIDENT. THE RIGH - [SDR 0200589938](https://openairdocs.org/sdr/0200589938.md): Wire · shorted · Mar 4, 2002 · N1798U · Doug DC931 · Light System Wiring > AFTER LANDING AT IND, SIGNIFICANT SMOKE WAS COMING FROM GLARESHIELD ON EITHER SIDE OF THE ALTITUDE ALERTER. SMOKE STOPPED AFTER THE PARKING CHECK WAS DONE AT THE GATE. MAINTENANCE INSPECTED BUT FOUND NO EVIDENCE OF SMOKE OR FIRE. THEN TWO FLIGHTS LATER ON N - [SDR 0004159938](https://openairdocs.org/sdr/0004159938.md): Duct · loose · Nov 2, 2000 · N1798U · Doug DC931 · Cabin Cooling System > DURING CRUISE WITH WING AND ENGINE ANTI-ICE ON, CABIN PRESSURE STARTED CLIMBING AT 1000 FPM. FOLLOWED COM PROCEDURES AND MADE AN EMERGENCY DESCENT TO 8000 FEET. AIRCRAFT LANDED AT SAT WITHOUT INCIDENT. MAINTENANCE PERFORMED BITE WITH NO FAULTS FOUND. AN IN - [SDR 0002589938](https://openairdocs.org/sdr/0002589938.md): Battery Pack · discharged · Jul 20, 2000 · N1798U · Doug DC931 · Emergency Lighting > DURING PERIODIC CHECK, FOUND EMERGENCY LIGHTS AT AFT LOWER CEILING BETWEEN AFT LAVATORIES AND ON EACH SIDE OF VENTRAL STAIRS INOPERATIVE. REPLACED BATTERY PACK AND BATTEIRES. OPERATIONAL CHECK NORMAL. - [SDR 0002579938](https://openairdocs.org/sdr/0002579938.md): Battery · discharged · Jul 20, 2000 · N1798U · Doug DC931 · Emergency Lighting > DURING PERIODIC CHECK, FOUND FORWARD SECTION OVERHEAD EMERGENCY LIGHTS IN MAIN CABIN INOPERATIVE. REPLACED BATTERIES IN BATTERY PACK. OPERATIONAL CHECK NORMAL. - [SDR 0002459938](https://openairdocs.org/sdr/0002459938.md): Web · cracked · Jul 10, 2000 · N1798U · Doug DC931 · Fuselage Miscellaneous Structure > A 2 INCH CRACK FWD SIDE MAIN FRAME 756 WEB CUSP LINE. REPAIRED PER EA 99-172576, L/P 1463368. - [SDR 0002439938](https://openairdocs.org/sdr/0002439938.md): Floorbeam · corroded · Jul 8, 2000 · N1798U · Doug DC931 · Fuselage Main, Floor Beam > CORROSION ON FLOORBOARD AT STA 160 ABOUT 10 INCHES I/B OF RT SIDE. FABRICATED REPAIR PER EA 99-172574 L/P 1462596. - [SDR 0002449938](https://openairdocs.org/sdr/0002449938.md): Skin · corroded · Jul 7, 2000 · N1798U · Doug DC931 · Fuselage Main, Plate/Skin > STA 800 - 825 FUSELAGE SKIN AT L26RT UP TO L25 HAS CORROSION. REPAIRED PER EA 99-172573 L/P 1462297. - [SDR 0002469938](https://openairdocs.org/sdr/0002469938.md): Angle · cracked · Jul 6, 2000 · N1798U · Doug DC931 · Vertical Stabilizer > CRACK.5 INCH LONG OMITTING FROM FASTENER HOLE. REPAIRED PER EA 99-172550 L/P 1462156. - [SDR 9809939938](https://openairdocs.org/sdr/9809939938.md): T-Duct · binding · Aug 16, 1998 · N1798U · Doug DC931 · Leading Edge Slat Control System > SLAT DISAGREEMENT LIGHT ILLUMINATED WITH LEFT AIRCRAFT ROLL DURING APPROACH INTO GFK. CAPTAIN DECLARED A YELLOW EMERGENCY AND AIRCRAFT WAS LANDED SAFELY USING FLAPS ONLY. MAINTENANCE REPLACED THE RIGHT WING ANTI-ICE TELESCOPE DUCT. OPERATIONAL CHECK NORMAL. - [SDR 9807159938](https://openairdocs.org/sdr/9807159938.md): Power Suppy · inoperative · Apr 22, 1998 · N1798U · Doug DC931 · Emergency Lighting > DURING LINE CHECK, FOUND THE LEFT NACELLE EMERGENCY LIGHT INOPERATIVE. MAINTENANCE REPLACED THE POWER SUPPLY. - [SDR 9804799938](https://openairdocs.org/sdr/9804799938.md): Battery Pack · discharged · Mar 21, 1998 · N1798U · Doug DC931 · Emergency Lighting > DURING LINE MAINTENANCE INSPECTION, FOUND EMERGENCY EXIT LIGHT AT ENTRY DOOR AND FORWARD SECTION OF FLOOR PROXIMITY EMERGENCY LIGHTS INOPERATIVE. REPLACED BATTERY PACK, OPERATIONAL CHECK NORMAL. - [SDR 9801219938](https://openairdocs.org/sdr/9801219938.md): Fuel Pump · damaged · Jan 8, 1998 · N1798U · Doug DC931 · Engine Fuel Pump > AS TAKEOFF POWER WAS APPLIED, THE LEFT ENGINE FLAMED OUT. CREW ABORTED TAKEOFF AND RETURNED TO THE GATE. MAINTENANCE REPLACED THE LEFT ENGINE FUEL CONTROL UNIT. OPERATIONAL CHECK OK. AIRCRAFT RETURNED TO SERVICE. - [SDR 9721189938](https://openairdocs.org/sdr/9721189938.md): Amplifier · failed · Nov 10, 1997 · N1798U · Doug DC931 · Integrated Flight System > DURING CLIMBOUT, CAPTAIN'S GYRO DOES NOT TURN AND ATTITUDE GYRO FLAG DISPLAYED. FLIGHT RETURNED TO ORIGINATION AND LANDED WITHOUT INCIDENT. MAINTENANCE REPLACED THE FLIGHT DIRECTOR INSTRUMENT AMPLIFIER. OPERATIONAL CHECK OK AND FLIGHT DIRECTOR SYSTEM QUALIF - [SDR 9715139938](https://openairdocs.org/sdr/9715139938.md): Battery · discharged · Jul 24, 1997 · N1798U · Doug DC931 · Emergency Lighting > DURING LINE CHECK, FOUND EMERGENCY EXIT LIGHTS DIM OVER FORWARD LEFT AND RIGHT EXITS. REPLACED BATTERIES AT PACK B5-33 AND REPAIRED GROUND, OPERATIONAL CHECK OK. - [SDR 9714479938](https://openairdocs.org/sdr/9714479938.md): Frame · corroded · Jul 18, 1997 · N1798U · Doug DC931 · Fuselage Main, Frame > DURING H CHECK, FOUND CORROSION ON CANTED FRAME LOWER ANGLE FORWARD SIDE BETWEEN VENT BOXES FS 1121. REPAIRED PER EA 99-113362. - [SDR 9713329938](https://openairdocs.org/sdr/9713329938.md): Spar Web · corroded · Jul 3, 1997 · N1798U · Doug DC931 · Wing Spar > DURING H CHECK, FOUND CORROSION ON SPAR WEB AT XCW 21.0. REPAIRED PER EA 99-113317. - [SDR 9712799938](https://openairdocs.org/sdr/9712799938.md): Fitting · corroded · Jun 27, 1997 · N1798U · Doug DC931 · Fuselage Main, Longeron/Stringer > DURING H-CHECK, FOUND CORROSION ON LONGERON 28L END FITTING FS 604. REPLACED FITTING PER SRM 51-30-5. - [SDR 9712839938](https://openairdocs.org/sdr/9712839938.md): Fitting · corroded · Jun 25, 1997 · N1798U · Doug DC931 · Fuselage Miscellaneous Structure > DURING M-CHECK, FOUND CORROSION ON H-FITTING BETWEEN FUSELAGE FRAME AND LONGERON 29R AT FS 658. REPLACED FITTING PER SRM 51-30-5. - [SDR 9712829938](https://openairdocs.org/sdr/9712829938.md): Fitting · corroded · Jun 25, 1997 · N1798U · Doug DC931 · Fuselage Miscellaneous Structure > DURING M-CHECK, FOUND CORROSION ON LONGERON 29L END FITTING FS 604. REPLACED FITTING PER SRM 51-30-5. - [SDR 9712819938](https://openairdocs.org/sdr/9712819938.md): Fitting · corroded · Jun 25, 1997 · N1798U · Doug DC931 · Fuselage Miscellaneous Structure > DURING M-CHECK, FOUND CORROSION ON LONGERON 28R END FITTING AT FS 604. REPLACED FITTING PER SRM 51-30-5. - [SDR 9715299938](https://openairdocs.org/sdr/9715299938.md): Pressure Panel · cracked · Jun 8, 1997 · N1798U · Doug DC931 · Fuselage Miscellaneous Structure > DURING H-CHECK, FOUND A CRACK IN THE NOSE LANDING GEAR WHEEL WELL HORIZONTAL PRESSURE PANEL AT FS 105, RIGHT SIDE. REPAIRED PER EA 99-112987. - [SDR 9709839938](https://openairdocs.org/sdr/9709839938.md): Batteries · discharged · May 16, 1997 · N1798U · Doug DC931 · Emergency Lighting > DURING LINE MAINTENANCE INSPECTION, FOUND AFT OVERWING EMERGENCY LIGHTS INOPERATIVE. REPLACED BATTERIES, OPERATIONAL CHECK NORMAL. - [SDR 9707389938](https://openairdocs.org/sdr/9707389938.md): Starter · failed · Apr 9, 1997 · N1798U · Doug DC931 · Engine Starter > DURING START ATTEMPT, THE RIGHT ENGINE STARTER EXPERIENCED AN UNCONTAINED FAILURE. MAINTENANCE REPLACED THE RIGHT ENGINE STARTER. NO FURTHER DAMAGE OCCURRED. - [SDR 9706749938](https://openairdocs.org/sdr/9706749938.md): Downlock Switch · malfunctioned · Mar 28, 1997 · N1798U · Doug DC931 · Landing Gear Position and Warning > DURING APPROACH INTO AUS, NOSE LANDING GEAR GREEN DOWNLOCK LIGHT DID NOT ILLUMINATE AFTER GEAR EXTENSION. CREW REQUESTED EMERGENCY EQUIPMENT ON STANDBY AS A PRECAUTION. AIRCRAFT LANDED WITHOUT INCIDENT. MAINTENANCE REPLACED NOSE GEAR DOWNLOCK SWITCH. OPERA - [SDR 9706919938](https://openairdocs.org/sdr/9706919938.md): Bulkhead · cracked · Mar 22, 1997 · N1798U · Doug DC931 · Fuselage Miscellaneous Structure > DURING LINE CHECK, FOUND CRACK IN NOSE LANDING GEAR WHEEL WELL HORIZONTAL PRESSURE PANEL LEFT SIDE AT OUTBOARD FITTING FS 106. REPAIRED PER EA 99-112290. - [SDR 9706909938](https://openairdocs.org/sdr/9706909938.md): Press Panel · cracked · Mar 21, 1997 · N1798U · Doug DC931 · Fuselage Miscellaneous Structure > DURING LINE CHECK, FOUND CRACK IN NOSE LANDING GEAR WHEEL WELL HORIZONTAL PRESSURE PANEL RIGHT SIDE AT INBOARD VERTICAL BEAM FITTING FS 106. REPAIRED PER EA 99-112290. - [SDR 9705719938](https://openairdocs.org/sdr/9705719938.md): Clips · out of adjust · Mar 19, 1997 · N1798U · Doug DC931 · Aerodynamic Fairings > DURING LINE CHECK, FOUND THAT EXCESSIVE FORCE WAS REQUIRED TO PULL EXTERNAL TAIL CONE RELEASE HANDLE FROM RETAINING CLIPS. ALSO, FOUND BROKEN RETAINING CLIP ON INTERNAL RELEASE HANDLE. REPLACED INTERNAL RETAINING CLIP AND ADJUSTED EXTERNAL CLIPS, OPERATIONAL - [SDR 9703309938](https://openairdocs.org/sdr/9703309938.md): Battery Pack · discharged · Feb 14, 1997 · N1798U · Doug DC931 · Emergency Lighting > DURING LINE MAINTENANCE INSPECTION, FOUND CATWALK EMERGENCY LIGHT INOPERATIVE. REPLACED BATTERY PACK, OPERATIONAL CHECK NORMAL. - [SDR 9626989938](https://openairdocs.org/sdr/9626989938.md): Power Supply · malfunctioned · Dec 24, 1996 · N1798U · Doug DC931 · Emergency Lighting > DURING LINE MAINTENANCE INSPECTION, FOUND TAIL COMPARTMENT CATWALK EMERGENCY LIGHTS INOPERATIVE. REPLACED POWER SUPPLY, OPERATIONAL CHECK NORMAL. - [SDR 9625579938](https://openairdocs.org/sdr/9625579938.md): Engine · failed · Nov 29, 1996 · N1798U · Doug DC931 · Engine (Turbine/Turboprop) > DURING CLIMB, THE RIGHT ENGINE OIL QUANTITY BEGAN DECREASING WITH ASSOCIATED SMOKE REPORTED IN THE CABIN. A/C RETURNED TO DTW AND LANDED WITHOUT FURTHER INCIDENT. CREW SHUTDOWN THE RIGHT ENGINE AFTER LANDING. MAINTENANCE REPLACED THE RIGHT ENGINE. - [SDR 9621719938](https://openairdocs.org/sdr/9621719938.md): Battery · dirty · Oct 9, 1996 · N1798U · Doug DC931 · Emergency Lighting > DURING LINE MAINTENANCE INSPECTION, FOUND TAIL COMPARTMENT EMERGENCY EVACUATION LIGHTS INOPERATIVE. CLEANED BATTERY, OPERATIONAL CHECK NORMAL. - [SDR 9611119938](https://openairdocs.org/sdr/9611119938.md): Power Supply · malfunctioned · May 19, 1996 · N1798U · Doug DC931 · Emergency Lighting > DURING LINE MAINTENANCE INSPECTION, FOUND CATWALK EMERGENCY LIGHTS INOPERATIVE. REPLACED POWER SUPPLY. OPERATIONAL CHECK NORMAL. - [SDR 9611129938](https://openairdocs.org/sdr/9611129938.md): Battery Pack · discharged · May 17, 1996 · N1798U · Doug DC931 · Emergency Lighting > DURING LINE MAINTENANCE INSPECTION, FOUND TWO OVERHEAD EMERGENCY LIGHTS INOPERATIVE. REPLACED BATTERY PACK. OPERATIONAL CHECK NORMAL. - [SDR 9605329938](https://openairdocs.org/sdr/9605329938.md): Battery Pack · discharged · Mar 5, 1996 · N1798U · Doug DC931 · Emergency Lighting > DURING LINE MAINTENANCE INSPECTION, FOUND AFT OVERWING EMERGENCY EXIT LIGHTS INOPERATIVE. REPLACED BATTERY PACK. OPERATIONAL CHECK NORMAL. - [SDR 9604789938](https://openairdocs.org/sdr/9604789938.md): Slide · low pressure · Feb 23, 1996 · N1798U · Doug DC931 · Escape Slide > DURING PERIODIC CHECK, FOUND FORWARD SERVICE DOOR EVACUATION SLIDE LOW ON PRESSURE. REPLACED SLIDE. - [SDR 9600399938](https://openairdocs.org/sdr/9600399938.md): Fitting · cracked · Jan 6, 1996 · N1798U · Doug DC931 · Fuselage Miscellaneous Structure > DURING M-CHECK, FOUND A CRACK IN THE AFT ENTRY DOOR RIGHT SIDE STOP FITTING. REPLACED FITTING PER SRM 51-30-0. - [SDR 9517889938](https://openairdocs.org/sdr/9517889938.md): Adc · failed · Nov 12, 1995 · N1798U · Doug DC931 · Air Data Computer > DURING CLIMB, THE ALTIMETER AND BOTH THE NR 1 AND NR 2 ATC TRANSPONDERS FAILED AND THE AUTOPILOT WOULD NOT ENGAGE. THE AIRCRAFT RETURNED TO DTW AND LANDED WITHOUT INCIDENT. REPLACED THE AIR DATA COMPUTER AND THE NR 2 ATC TRANSPONDER, OPERATIONAL CHECK GOOD. - [SDR 9516089938](https://openairdocs.org/sdr/9516089938.md): Skin · oil canned · Oct 7, 1995 · N1798U · Doug DC931 · Fuselage Main, Plate/Skin > DURING L-CHECK, FOUND OIL CANNING IN THE FUSELAGE SKIN FS 1121 ABOVE THE RIGHT PYLON TRAILING EDGE. REPAIRED SKIN (P/N 5912870-501), PER EA 99-102592. ## 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 = 'N1798U' AND deregistration_id = 'N1798U-2013-02-06' ORDER BY difficulty_date DESC ``` This list as a web page: https://openairdocs.org/deregistered/N1798U-2013-02-06/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.