N991Z, cancelled Aug 28, 2001

Service difficulty reports · 30

Matched to this aircraft by N-number and event date, checked against the reported serial number, make and model. Newest first.

Query with SQL
duckdb -csv -c "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 = 'N991Z' AND deregistration_id = 'N991Z-2001-08-28'
  ORDER BY difficulty_date DESC"

Prints the whole list as CSV. It reads the release’s Parquet files over HTTPS, so there’s nothing to download first. Install DuckDB to run it.

SDR TWAA9912305Light · inopDURING LANDING NOTICED A SECTION OF COACH EGRESS LIGHTS INOP. REPLACED LIGHT STRIP AND BATTERY PACK. CC 7-23-99 STL.Sep 10, 1999 · N991Z · Doug DC931 · Emergency LightingSDR TWAA9805907Spar · crackedMCI - DURING OP 15 MAINTENANCE CHECK, FOUND RT WING AFT FLAP INBD HINGE CASTING, LOWER INBD HOLE ON REAR SPAR, HAD A CRACK INDICATION ON FACE. INSTALLED REPAIR DOUBLER PER PRINT JO60271 PER WORK SHEET MC8-AD-36. ACFT TT: 70,732 HOURS. ACFT TC: 76,937. (XFeb 14, 1998 · N991Z · Doug DC931 · Wing SparSDR TWAA9801401Valve · wornSTL - FLT 107 - AFTER NORMAL TAKEOFF AND PRESSURIZATION NORMAL, AT APPROX 5000 MSL NOTICED OUTFLOW VALVE CLOSED AND PACK PRESSURE NORMAL BUT AIRCRAFT NOT PRESSURIZING. FLIGHT OPERATED AT 10,000 FT WITH PACKS OFF. REPLACED THE RIGHT AC FLOW CONTROL VALVE. ALJan 24, 1998 · N991Z · Doug DC931 · Pressure Regulator/Outflow ValveSDR TWAA9800801Regulator · failedSTL - FLT 283 - DURING CLIMB, CABIN ALTITUDE CONTINUED TO CLIMB. REPLACED RT PACK REGULATOR MFG P/N 392454-3-1. (M)Jan 16, 1998 · N991Z · Doug DC931 · Cabin Cooling SystemSDR TWAA9710202Power Supply · inoperativeSTL - FLT 608 - DURING CRUISE, THE EMERGENCY LIGHTS ILLUMINATED. REMOVED AND REPLACED THE POWER SUPPLY. OPERATIONAL CHECK NORMAL. MFG P/N 5822-2, MANUFACTURED BY LUMINESCENT SYSTEMS INC. (M)Aug 26, 1997 · N991Z · Doug DC931 · Emergency LightingSDR TWAA9799002Battery Pack · dischargedSTL - FLT 565 - DURING CRUISE, THE EMERGENCY LIGHTS ILLUMINATED. REMOVED AND REPLACED THE BATTERY PACK, MFG P/N 5822-2 MANUFACTURED BY LUMINESCENT SYSTEMS INC. OPERATIONAL CHECK NORMAL. (M)Aug 23, 1997 · N991Z · Doug DC931 · Emergency LightingSDR TWAA9798002Battery Pack · dischargedSTL - FLT 237 - DURING CRUISE, THE EMERGENCY ESCAPE PATH LIGHTING ILLUMINATED INTERMITTENTLY. REMOVED AND REPLACED THE BATTERY PACK, MFG P/N 5822-2, MANUFACTURED BY LUMINESCENT SYSTEMS INC. (M)Aug 22, 1997 · N991Z · Doug DC931 · Emergency LightingSDR TWAA9797001Battery Pack · dischargedSTL - FLT 502 - DURING CRUISE, THE EMERGENCY LIGHTS ILLUMINATED. REMOVED AND REPLACED THE BATTERY PACK MFG PN 5822-2, MANUFACTURED BY LUMINESCENT SYSTEMS INC. OPERATIONAL CHECK NORMAL. (M)Aug 18, 1997 · N991Z · Doug DC931 · Emergency LightingSDR TWAA9783001Power Supply · malfunctionedSTL - FLT 291 - DURING CRUISE, EGRESS LIGHTS ILLUMINATED. REMOVED AND REPLACED POWER SUPPLY, MFG P/N 100865, MANUFACTURED BY BRUCE INDUSTRIES. OPS CHECK NORMAL. OP-15 - 2-17-97 - MCI. (X)Jul 23, 1997 · N991Z · Doug DC931 · Emergency LightingSDR TWAA9782001Power Pack · inoperativeSTL - FLT 663 - DURING ROUTINE MAINTENANCE, EMERGENCY LIGHTS ILLUMINATED. REMOVED AND REPLACED POWER PACK, MFG P/N 5822-2, MANUFACTURED BY LUMINESCENT SYSTEMS, INC. OPS CHECK NORMAL. OP-15 - 2-17-97 - MCI. (X)Jul 22, 1997 · N991Z · Doug DC931 · Emergency LightingSDR TWAA9781005Power Pack · illuminatedSTL - FLT 410 - DURING CRUISE, EMERGENCY LIGHTS ILLUMINATED. REMOVED AND REPLACED POWER PACK, MFG PN 5822-2, MANUFACTURED BY LUMINESCENT SYSTEMS, INC. OPS CHECK NORMAL. OP-15 - 2-17-97 - MCI. (X)Jul 22, 1997 · N991Z · Doug DC931 · Emergency LightingSDR TWAA9750001Switch · failedSTL - FLT 302 - DURING CLIMB, LEFT GEAR DOOR WARNING LIGHT STAYED ON. CYCLED GEAR, NO HELP. REMOVED AND REPLACED LEFT GEAR DOOR WARNING SWITCH, MFG P/N H14-6, MANUFACTURED BY EATON CORPORATION. OPERATIONAL CHECK NORMAL. (M)Apr 16, 1997 · N991Z · Doug DC931 · Landing Gear Position and WarningSDR TWAA9710002Battery Pack · dischargedSTL - FLT 295 - DURING CRUISE, THE ESCAPE PATH LIGHTING ILLUMINATED. REMOVED AND REPLACED THE BATTERY PACK, MFG 5822-2, MANUFACTURED BY LUMINESCENT SYSTEMS INC. (M)Feb 17, 1997 · N991Z · Doug DC931 · Emergency LightingSDR TWAA9809508Skin · dentedMCI - DURING OP 15 MAINTENANCE CHECK, FOUND NR 1 L/E SLAT WITH DENTS IN THE L/E. REPAIRED DENTS PER SRM 57-03, PAGE 18A PAR 12B, ITEM A, REFERENCE SRM 51-70-2 PAGE 3 FIG 1. ACFT TT: 51,723 HOURS. ACFT TC: 52,362. (X)Feb 14, 1997 · N991Z · Doug DC931 · Leading Edge DevicesSDR TWAA9809507Frame · crackedMCI - DURING OP 15 MAINTENANCE CHECK, FOUND FUSELAGE FRAME AT STA 1110 WITH APPROXIMATELY .25 INCH CRACK AT L13R AND L14R. REPAIRED PER SRM 53-03, FIG 4 PAGE 5. ACFT TT: 51,723 HOURS. ACFT TC: 52,362. (X)Feb 14, 1997 · N991Z · Doug DC931 · Fuselage Main, FrameSDR TWAA9809506Skin · bulgedMCI - DURING OP 15 MAINTENANCE CHECK, FOUND AT FS 180 BETWEEN L21L TO L22L, AREA HAD A RAISED PLACE IN THE SKIN. REPAIRED PER SRM 51-50-00, AND INSTALLED DOUBLER PER SRM 53-04, FIG 38 SHT 23 PAGE 218. ACFT TT: 51,723 HOURS. ACFT TC: 52,362. (X)Feb 14, 1997 · N991Z · Doug DC931 · Fuselage Main, Plate/SkinSDR TWAA9809415Longeron · chafedMCI - DURING OP 15 MAINTENANCE CHECK, FOUND A HOLE WORN THROUGH THE UPPER FLANGE OF LONGERON 8L, STA 1066. REPAIRED PER SRM 53-02, FIG 5. (X)Feb 14, 1997 · N991Z · Doug DC931 · Fuselage Main, Longeron/StringerSDR TWAA9809414Floorbeam · corrodedMCI - DURING OP 15 MAINTENANCE CHECK, FOUND CORROSION ON LOWER SIDE OF THE FLOORBEAM AT STA 200, LBL 43 INCHES TO RBL 43 INCHES. REMOVED CORROSION PER SRM 51-10-03, AND REPAIRED PER SRM 53-01, FIG 25 SHT 4, PAGE 9. (X)Feb 14, 1997 · N991Z · Doug DC931 · Fuselage Main, Floor BeamSDR TWAA9805506Hinge · crackedMCI - DURING OP 15 MAINTENANCE CHECK, FOUND AFT FLAP INBOARD HINGE CASTING LOWER INBOARD HOLE ON REAR SPAR CRACKED ON FACE APPROX .75 INCH. INSTALLED REPAIR DOUBLER PER PRING J060271 PER WORK FORM MC8-AD-36. (M)Feb 14, 1997 · N991Z · Doug DC931 · Trailing Edge FlapsSDR TWAA9805801Skin · crackedMCI - DURING OP 15 MAINTENANCE CHECK, FOUND TE OF RT TE FLAP WITH SMALL CRACK APPROX .25 NCH AND PIECE OF METAL MISSING APPROX 8 INCH FROM INBOARD END. INSTALLED METAL TO METAL HOT BOND REPAIR PER SRM 57-50-14 AND 51-70-2, ITEM B PAGE 69. (M)Feb 7, 1997 · N991Z · Doug DC931 · Trailing Edge FlapsSDR 96ZZZM1481Fuel Control · malfunctionedPIT - DURING CLIMB, NR 1 ENGINE, S/N 2106, WOULD NOT RESPOND TO THRUST LEVER MOVEMENT. SHUT DOWN ENGINE. REPLACED ENGINE DRIVEN FUEL PUMP, MFG P/N 378201-7 AND FUEL CONTROL, MFG P/N 743602-5. ENGINE OPERATION CHECKED NORMAL.Oct 12, 1996 · N991Z · Doug DC931 · Fuel Control/Turbine EnginesSDR 96ZZZM1480Fuel Pump · malfunctionedPIT - DURING CLIMB, NR 1 ENGINE, S/N 2106, WOULD NOT RESPOND TO THRUST LEVER MOVEMENT. SHUT DOWN ENGINE. REPLACED ENGINE DRIVEN FUEL PUMP, MFG P/N 378201-7 AND FUEL CONTROL, MFG P/N 743602-5. ENGINE OPERATION CHECKED NORMAL.Oct 12, 1996 · N991Z · Doug DC931 · Engine Fuel PumpSDR 96ZZZM1447Power Supply · inoperativeSTL - DURING DESCENT, EGRESS LIGHT IN FIRST CLASS ILLUMINATED. FOUND FAULTY BATTERY POWER SUPPLY, MFG P/N 5822-2. REPLACED BATTERY POWER SUPPLY AND EGRESS LIGHTING SYSTEM OPERATION CHECKED NORMAL. (M)Oct 8, 1996 · N991Z · Doug DC931 · Emergency LightingSDR 96ZZZX1204Connector · dirtySTL - DURING ROUTINE MAINTENANCE, FOUND EGRESS LIGHTS SEAT ROWS 21 TO 23 AND TAILCONE PATHWAY, INOPERATIVE. FOUND EGRESS LIGHT CABLE CONNECTOR, MFG PN 5854-1, DIRTY. CLEANED CABLE CONNECTOR AND LIGHT OPERATION CHECKED NORMAL. CHECK C - 9-2-95 - STL.Feb 17, 1996 · N991Z · Doug DC931 · Emergency LightingSDR 96ZZZX1239Longeron · crackedSTL - DURING CHECK 'C', FOUND .50 INCH CRACK IN LONGERON 4L, LOWER LEG, STA 737. REPAIRED PER SRM 53-02, FIGURE 2A. AIRCRAFT TT: 63,390 HOURS; 75,098 CYCLES.Jan 24, 1996 · N991Z · Doug DC931 · Fuselage Main, Longeron/StringerSDR 96ZZZX1238Belt Ring · crackedSTL - DURING CHECK 'C', FOUND .50 INCH CRACK AT BOTH ATTACH POINTS TO BELT RING, LONGERON 6R, STA 718. REPAIRED PER SRM 53-02, FIGURE 2A. AIRCRAFT TT: 68,390 HRS; 75,098 CYCLES.Jan 24, 1996 · N991Z · Doug DC931 · Fuselage Miscellaneous StructureSDR 96ZZZX1237Longeron · crackedSTL - DURING CHECK 'C', FOUND .50 INCH CRACK IN LOWER FLANGE OF LONGERON 7L, STA 699. REPAIRED PER SRM 53-02, FIGURE 2A. AIRCRAFT TT: 63,390 HOURS; 75,098 CYCLES.Jan 24, 1996 · N991Z · Doug DC931 · Fuselage Main, Longeron/StringerSDR 96ZZZM219Longeron · crackedSTL - DURING C-CHECK, FOUND .5 INCH CRACK IN LOWER FLANGE OF LONGERON 7L, STATION 699. REPAIRED PER SRM 53-02, FIGURE 2A.Jan 24, 1996 · N991Z · Doug DC931 · Fuselage Main, Longeron/StringerSDR 96ZZZM217Longeron · crackedSTL - DURING C-CHECK, FOUND ONE 2 INCH CRACK IN LONGERON 4L, LOWER LEG, STATION 737. REPAIRED PER SRM 53-02, FIGURE 2A.Jan 24, 1996 · N991Z · Doug DC931 · Fuselage Main, Longeron/StringerSDR 96ZZZM216Belt Ring · crackedSTL - DURING C-CHECK, FOUND .5 INCH CRACK AT BOTH ATTACH POINTS TO BELTRING, LONGERON 6R, STATION 718. REPAIRED PER SRM 53-02, FIGURE 2A.Jan 24, 1996 · N991Z · Doug DC931 · Fuselage Main, Frame
Back to N991Z, cancelled Aug 28, 2001