Boeing 737-401

Service difficulty reports · 2,961

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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 aircraft_model_key = '737401'
  ORDER BY difficulty_date DESC"

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SDR USAA04340Fitting · corrodedFOUND .25 INCH BY .25 INCH CORROSION ON THE FORWARD TEE FITTING OF THE OUTBOARD ATTACH FITTING ON THE LEFT AFT SIDE OF THE VERTICAL STAB. REMOVED CORROSION AND INSTALLED NEW BUSHINGS PER EA 78608. (M)Jun 20, 2004 · N424US · Boeing 737401 · Vertical Stabilizer Miscellaneous StructureSDR USAA04339Fitting · corrodedFOUND .25 INCH BY .25I NCH CORROSION ON THE FORWARD T-FITTING OF THE OUTBOARD ATTACH FITTING ON THE LEFT AFT SIDE OF THE VERTICAL STAB. REMOVED CORROSION AND INSTALLED NEW BUSHING PER EA 78608. (M)Jun 20, 2004 · N424US · Boeing 737401 · Vertical Stabilizer Miscellaneous StructureSDR USAA04338Fitting · corrodedFOUND .25 INCH BY .25 INCH CORROSION ON THE FORWARD TEE FITTING OF THE OUTBOARD ATTACH FITTING ON THE LEFT AFT SIDE OF THE VERTICAL STAB. CORROSOIN LEVEL 1, TASK JK-64-55200-C-001. REMOVED CORROSION AND INSTALLED NEW BUSHINGS PER EA 78608. (M)Jun 20, 2004 · N424US · Boeing 737401 · Vertical Stabilizer Miscellaneous StructureSDR USAA040289Skin · crackedCLT - FOUND SKIN CRACKED 1.5 INCH, STATION 727D STRINGER 23L. INSTALLED DOUBLER PER SRM 53-00-01 FIG 231. (M)Jun 9, 2004 · N405US · Boeing 737401 · Fuselage Main, Plate/SkinSDR USAA040295Skin · delaminatedPIT - FOUND SKIN TO CORE DELAMINATED AND KNIFE EDGE WEAR, RT WING NR 4 SLAT INBOARD TRAILING EDGE. INSTALLED FILLER AND INTERNAL DOUBLER REPAIR COREW, TOP REPAIR DOUBLER PER SRM 51-70-10. (M)Jun 7, 2004 · N424US · Boeing 737401 · Leading Edge DevicesSDR USAA040296Skin · delaminatedPIT - FOUND SKIN TO CORE DELAMINATED 1 INCH BY 5 INCH AREA, RT WING NR 4 SLAT OUTBOARD TRAILING EDGE. INSTALLED REPAIR CORE AND TOP DOUBLER, SEALED DOUBLER PER SRM 51-70-10. (M)Jun 7, 2004 · N424US · Boeing 737401 · Leading Edge DevicesSDR USAA040294Skin · delaminatedFOUND SKIN TO CORE DELAMINATION 1.5 SQUARE INCH AREA, LT WING NR 3 SLAT INBOARD END TRAILING EDGE CORNER. INSTALLED NEW CORE MATERIAL, TOP REPAIR DOUBLER, SEALED EDGE AND TOP DOUBLER PER SRM 51-70-10. (M)Jun 7, 2004 · N424US · Boeing 737401 · Leading Edge DevicesSDR USAA040299Skin · delaminatedPIT - FOUND SKIN AND CORE BOND HAS DELAMINATION AND KNIFE EDGE CHAFE WEAR, 5 INCHES BY 5 INCHES, LT WING NR 2 SLAT INBOARD T/E CORNER. REPLACED CORE MATERIAL, INSTALLED TOP SKIN REPLACEMENTS, SEALED AND PAINTED PER SRM 51-70-10. (M)Jun 2, 2004 · N424US · Boeing 737401 · Leading Edge DevicesSDR USAA040302Skin · delaminatedPIT - FOUND SKIN AND CORE 7.5 INCH BY 4.25 INCH, DELAMINATION WITH LOWER SKIN KNIFE EDGE WEAR, LT WING NR 2 SLAT OUTBOARD T/E CORNER. REMOVED DAMAGED SKIN AND CORE, REPLACED CORE AND TOP SKIN PER SRM 51-70-10. (M)May 26, 2004 · N424US · Boeing 737401 · Leading Edge DevicesSDR USA2004F00055Charger · failedMAINTENANCE REPORTED NUMEROUS EMERGENCY LIGHTS, THROUGHOUT THE INTERIOR CABIN, INOPERATIVE. MAINTENANCE REMOVED AND REPLACED THE CHARGER ASSEMBLY AND BATTERY PACK. OPERATIONAL CHECK GOOD.May 25, 2004 · N425US · Boeing 737401 · Emergency LightingSDR USAASB04047Outflow Valve · malfunctionedAFTER CLIMB EN ROUTE, CABIN ALTITUDE WARNING HORN SOUNDED. CREW STATED THEY LOST CABIN PRESSURE & WERE UNABLE TO CONTROL IN ANY MODE. PERFORMED EMERGENCY DESCENT. FLT DIVERTED & LANDED WITHOUT INCIDENT. NO EMERGENCY DECLARED. MAINT FOUND FWD OUTFLOW VALVE WApr 27, 2004 · N423US · Boeing 737401 · Pressure Regulator/Outflow ValveSDR USA2004F00001Connector · looseMAINTENANCE FOUND THE LOW LEVEL EMERGENCY LIGHTING AT SEAT ROWS 6ABC THROUGH 9ABC INOPERATIVE. MAINTENANCE RESET SYSTEM AND TESTED CHARGER AND BATTERY. FOUND CANNON PLUG LOOSE. RESECURED CONNECTOR PLUG. OPERATIONAL CHECK GOOD.Feb 19, 2004 · N417US · Boeing 737401 · Light System WiringSDR USAASB04019Wire · inoperativeMCO - MAINTENANCE REPORTED THE EMERGENCY LIGHTS AT THE LAST TWO SEAT ROWS ON LEFT SIDE OF CABIN WERE INOPERATIVE. MAINTENANCE REPAIRED WIRING AT THE EMERGENCY LIGHTS ON SEAT ROWS 24 AND 25, LEFT SIDE. ALSO, REPLACED M1479 AND M1137 BATTERY PACKS, P/N 2013-1AFeb 17, 2004 · N418US · Boeing 737401 · Light System WiringSDR USAASB04011Battery Pack · inoperativePHL - MAINTENANCE REPORTED THE EMERGENCY EXIT SIGN AT SEAT ROW 11C INOPERATIVE. MAINTENANCE REMOVED AND REPLACED THE BATTERY PACK. OPERATIONAL CHECK GOOD. (M)Jan 21, 2004 · N425US · Boeing 737401 · Emergency LightingSDR USAA040016Skin · crackedCLT - FOUND SKIN CRACKED .600 INCH CRACK, FS 727D JUST BELOW S23L. INSTALLED DOUBLER PER SRM 53-00-01 FIG 231. (M)Jan 15, 2004 · N406US · Boeing 737401 · Fuselage Main, Plate/SkinSDR USAASB04006Cable · out of adjustCLT - FLT 1191 - AFTER TAKEOFF FROM CLT, EN ROUTE TO MIA, CREW WS UNABLE OT RAISE THE LANDING GEAR SELECTOR HANDLE. CONTINUED CLIMB AND TROUBLESHOT PROBLEM. CREW PLACED GEAR SELECTOR HANDLE DOWN AND RECEIVED THREE GREEN INDICATION LIGHTS FOR THE GEAR. FLIGHJan 8, 2004 · N417US · Boeing 737401 · Landing Gear Position and WarningSDR USAASB04003Control Unit · malfunctionedCLT - FLT 684 - FLIGHT DEPARTED CLT WITH THE NR 2 ENGINE CSD ON MEL 24-1 FOR LEAKING OIL. DURING CLIMB, AT FL220, THE APU AUTO SHUT-DOWN DUE TO AN OVERSPEED CONDITION. THE FLIGHT RETURNED TO FIELD AT CLT AND LANDED WITHOUT FURTHER INCIDENT. AN EMERGENCY WASJan 1, 2004 · N405US · Boeing 737401 · APU Engine Fuel and ControlSDR USAASB03224Power Supply · inoperativePIT - MAINTENANCE REPORTED THE INTERIOR EMERGENCY LIGHTS INOPERATIVE. S/D - MAINTENANCE REMOVED AND REPLACED THE POWER SUPPLY. OPS CHECK GOOD. (M)Dec 31, 2003 · N418US · Boeing 737401 · Emergency LightingSDR USAASB03222Charger · inoperativeCLT - MAINTENANCE REPORTED THE INTERIOR EMERGENCY EXIT MARKER LIGHT AT SEAT ROW 11 ABC INOPERATIVE. MAINTENANCE REMOVED AND REPLACED THE BATTERY CHARGER ASSEMBLY. OPS CHECK GOOD. (M)Dec 26, 2003 · N425US · Boeing 737401 · Emergency LightingSDR USAA030316Skin · crackedFOUND SKIN CRACKED 1 INCH, NR 1 ENGINE PYLON PANEL 5727L. INSTALLED DOUBLER PER TR 54-30-07. (M)Nov 25, 2003 · N423US · Boeing 737401 · Nacelle/Pylon, Plate/SkinSDR USAASB03205Fuse · inoperativeBDL - DURING OVERNIGHT CHECK, MAINTENANCE FOUND THE SEAT MOUNTED EMERGENCY LIGHTS, AT SEAT ROWS 10 AND 11ABC, INOPERATIVE. MAINTENANCE REMOVED AND REPLACED THE BATTERY CHARGER FUSE, AT STATION 598, ABOVE SEAT ROW 11 DEF. ALSO, REPLACED BATTERY PACK ASSEMBLY,Nov 22, 2003 · N425US · Boeing 737401 · Emergency LightingSDR USAASB03203Charger · inoperativeBDL - MAINTENANCE REPORTED THE EMERGENCY ROW IDENTIFIER LIGHTS AT SEAT ROWS 10 AND 11, LEFT SIDE, INOPERATIVE. MAINTENANCE REMOVED AND REPLACED THE NR 4 BATTERY CHARGER ASSEMBLY AT STATION 598. OPS TEST OF EMERGENCY LIGHTS GOOD. (M)Nov 21, 2003 · N425US · Boeing 737401 · Emergency LightingSDR USAASB03200Downlock Sensor · malfunctionedON DESCENT INTO DCA FROM RSW, CREW RECEIVED A RIGHT MLG UNSAFE LIGHT WHEN GEAR HANDLE WAS PLACED IN DOWN POSITION. GEAR WAS CYCLED SEVERAL TIMES WITH SAME RESULT. CREW DECLEARED AN EMERGENCY AND DECIDED TO DIVERT TO IAD WHERE A TOWER FLYBY WAS ACCOMPLISHED TNov 10, 2003 · N409US · Boeing 737401 · Landing Gear Position and WarningSDR USAASB03198Fuse · inoperativeMAINTENANCE REPORTED THE AFT RIGHT EMERGENCY ESCAPE LIGHT INOPERATIVE. MAINTENANCE REMOVED AND REPLACED TEH 5 AMP FUSE IN POWER SUPPLY M1479. OPS CHECK GOOD. (M)Nov 8, 2003 · N425US · Boeing 737401 · Emergency LightingSDR USAASB03199Wire · damagedMAINTENANCE REPORTED THE EMERGENCY LIGHTS AT SEATS 10ABC AND 11ABC INOPERATIVE. MAINTENANCE REPAIRED WIRE AT LIGHT ON SEAT 11ABC. OPS CHECK GOOD. (M)Nov 8, 2003 · N425US · Boeing 737401 · Light System WiringSDR USAA030220Skin · crackedFOUND SKIN CRACKED 1.5 INCH, FS 744 JUST ABOVE S25R. DOUBLER INSTALLED PER SRM 53-00-01 FIG 231. (M)Oct 28, 2003 · N406US · Boeing 737401 · Fuselage Main, Plate/SkinSDR USAA030216Frame · crackedFOUND FRAME CRACKED .75 INCH, STATION 360 1 INCH BELOW STRINGER 14R CLIP. REPAIRED PER SRM 53-00-07. (M)Oct 23, 2003 · N425US · Boeing 737401 · Fuselage Main, FrameSDR USAA030219Skin · crackedCLT - FOUND SKIN CRACKED 1 INCH, FS 727D JUST BELOW S23R. INSTALLED DOUBLER AND FILLER PER TR 53-60-03. (M)Oct 20, 2003 · N406US · Boeing 737401 · Fuselage Main, Plate/SkinSDR USAASB03189Charger · inoperativeFOUND R2 DOOR EXIT SIGN INOPERATIVE. MAINTENANCE REPLACED THE M1136 POWER SUPPLY ASSEMBLY, CHARGER. (M)Oct 16, 2003 · N421US · Boeing 737401 · Emergency LightingSDR USAASB03183Power Supply · inoperativeMAINTENANCE REPORTED THE AFT RIGHT ESCAPE HATCH EMERGENCY EXIT SIGN INOPERATIVE. MAINTENANCE REMOVED AND REPLACED THE M1136 POWER SUPPLY. OPERATIONAL CHECK GOOD. (M)Oct 16, 2003 · N421US · Boeing 737401 · Emergency LightingSDR USAA030224Doubler · crackedFOUND FUSELAGE SKIN DOUBLER CRACKED 3.5 INCH, AFT FUSELAGE BS 1138 STRINGER 12 LT. INSTALLED DOUBLER .63 CRES 301 1/2 HARD PER 53-00-01 PAGE 262 BOEING DWG 65-46585. (M)Oct 2, 2003 · N418US · Boeing 737401 · Fuselage Main, Plate/SkinSDR USAA030213Angle · corrodedFOUND Z-ANGLE CORRODED IN SEVERAL AREAS 1 INCH AREA OF CORROSION, L26L BS 787 TO BS 898. CORRODED LEVEL 1, TASK NR C53-202-01. REPLACED Z-ANGLE FROM BS 727D TO BS 898 PER SRM 53-60-03. (M)Oct 2, 2003 · N425US · Boeing 737401 · Fuselage Miscellaneous StructureSDR USAA030195Skin · crackedFOUND SKIN CRACKED 2 INCHES, FS 944 AT STRINGER 25L. INSTALLED DOUBLER PER SRM 53-00-01 FIG 202 IAW EA 77014. (M)Sep 15, 2003 · N409US · Boeing 737401 · Fuselage Main, Plate/SkinSDR USAASB03166Odor · detectedORF - FLT 1162 - DURING CRUISE, EN ROUTE PHL TO ORF, REPORTED AN ODOR OF BURNING ELEC WIRES OR ELEC COMPONENTS. ODOR WAS STRONGEST ON CAPT'S SIDE OF FLT DECK. NO SMOKE AND ODOR WAS NOT IN CABIN. CREW PUT ON MASKS FOR ABOUT 3-4 MIN. A COUPLE OF MINS LATER, ODOSep 13, 2003 · N417US · Boeing 737401 · Air Distribution SystemSDR USAASB03164Charger · inoperativeMAINTENANCE REPORTED A SECTION OF THE INTERIOR EMERGENCY LIGHTS INOPERATIVE. MAINTENANCE REMOVED AND REPLACED THE M1137 BATTERY CHARGER ASSEMBLY DUE TO A BLOWN FUSE. OPERATIONAL CHECK GOOD. (M)Sep 12, 2003 · N421US · Boeing 737401 · Emergency LightingSDR USAASB03160Battery Pack · dischargedCLT - MAINTENANCE REPORTED THE AFT RIGHT CABIN EMERGENCY LIGHTS EXTINGUISHED PREMATURELY DURING OPS TEST OF EMERGENCY LIGHT SYSTEM. MAINTENANCE REMOVED AND REPLACED THE BATTERY PACK AT POWER SUPPLY M1137 PER MM 33-51-51. OPS CHECK GOOD. (M)Sep 6, 2003 · N419US · Boeing 737401 · Emergency LightingSDR USAA030178Fitting · corrodedFOUND FITTING CORRODED 2.5 INCHES AROUND, VERT STAB AFT RT OUTBOARD LUG AFT CLEVIS AND T-FITTING. REMOVED AND REPLACED BUSHING/OVERSIZE PER EA 76801. CORROSION LEVEL 1, STAK NR C55-706-11. (M)Aug 28, 2003 · N417US · Boeing 737401 · Vertical Stabilizer, Attach FittingsSDR USAA030184Fitting · corrodedFOUND FITTING CORODED 1 INCH BETWEEN LAYERS, VERT STAB RT AFT OUTBOARD ATTACH POINT BETWEEN T-FITTING AND CLEVIS. OVERSIZED PART, REMOVED AND REPLACED BUSHING PER SRM 55-30-90 AND EA 76801. CORROSION LEVEL 1, TASK NR C55-706-11. (M)Aug 28, 2003 · N417US · Boeing 737401 · Vertical Stabilizer, Attach FittingsSDR USAA030173Skin · crackedPIT - FOUND STRUT SKIN PANEL .75 INCH CRACK, PANEL DOUBLER NR 5827R STATION 206.50 TO 215.00. STOP DRILLED CRACK AND INSTALLED DOUBLER PER TR 54-30-07 AND EA 76836 AND SRM 51-20-10. (M)Aug 28, 2003 · N404US · Boeing 737401 · Nacelle/Pylon, Plate/SkinSDR USAA030177Fitting · corrodedFOUND FITTING WITH CORROSION AND PITTING .5 INCH, 5-7 O'CLOCK, VERT STAB AFT OUTBOARD LUG FORWARD CLEVIS BETWEEN CLEVIS AND T-FITTING. REMOVED AND REPLACED BUSHING/OVERSIZE PER EA 76801. CORROSION LEVEL 1, TASK NR C55-706-11. (M)Aug 27, 2003 · N417US · Boeing 737401 · Vertical Stabilizer, Attach FittingsSDR USAA030176Fitting · corrodedFOUND FITTING CORRODED AND PITTING 1 INCH, VERTICAL STAB AFT OUTBOARD LUG AFT CLEVIS BETWEEN CLEVIS AND T-FITTING 3-6 O'CLOCK. REMOVED AND REPLACED BUSHING PER EA 76801. (M)Aug 27, 2003 · N417US · Boeing 737401 · Vertical Stabilizer, Attach FittingsSDR USAA030175Fitting · corrodedPIT FOUND FITTING CORRODED 1 INCH LONG INSIDE RADIUS BORE, VERT STAB AFT RT OUTBOARD LUG FWD CLEVIS BETWEEN CLEVIS AND T-FITTING. REMOVED AND REPLACED BUSHING/OVERSIZE PER EA 76801. (M)Aug 27, 2003 · N417US · Boeing 737401 · Vertical Stabilizer, Attach FittingsSDR USAASB03151Charger · failedMAINTENANCE REPORTED THE LEFT MID-CABIN CEILING EMERGENCY LIGHT INOPERATIVE. MAINTENANCE REMOVED AND REPLACED THE BATTERY CHARGER ASSEMBLY PER MM 33-51-51. OPS CHECKS GOOD. (M)Aug 25, 2003 · N425US · Boeing 737401 · Emergency LightingSDR USAA030174Floorbeam · corrodedFOUND BEAM CORRODED .5 INCH BY 4 INCHES, FLOORBEAM 986.5 RBL 15 AND RBL 29. UPPER FLANGE REPAIR PER TYPICAL REP 53-60-01 REV A. CORROSION LEVEL 1, TASK NR C53-107-02. (M)Aug 22, 2003 · N417US · Boeing 737401 · Fuselage Main, Floor BeamSDR USAA030182Frame · gougedPIT - FOUND FRAME WITH FOUR GOUGES .25 INCH BY .5 INCH .019 DEEP, FRAME AT STATION 294.5 BETWEEN STRINGER 4L AND 3L AT SPLICE. REMOVED SPLICE DOUBLERS AND CUTOUT DAMAGE. INSTALLED FILLER AND REPAIR DOUBLERS PER SRM 53-00-07. (M)Aug 20, 2003 · N417US · Boeing 737401 · Fuselage Main, FrameSDR USAA030167Skin · delaminatedFOUND C-CHECK DELAMINATED AFT FLAP TOP SKIN 4 INCHES BY 6 INCHES, INBOARD END TOP SURFACE. INTERIM REPAIR PER T/R 57-53-01A. (M)Aug 19, 2003 · N417US · Boeing 737401 · Trailing Edge FlapsSDR USAA030136Skin · crackedPIT - FOUND INNER SKIN CRACKED APPROX 1 INCH, AFT EDGE OF INNER SKIN OF MAIN ENTRY DOOR. TRIMMED OUT CRACKS AND INSTALLED DOUBLER AND FILLER PER EA 76156. (M)Aug 13, 2003 · N422US · Boeing 737401 · Passenger/Crew DoorsSDR USAA030143Frame · crackedPIT - FOUND FRAME CRACKED .5 INCH, FS 400 S8R AND S9R AT PSU SUPPORT BRACKET. INSTALLED DOUBLER PER SRM 53-10-20A. (M)Aug 7, 2003 · N420US · Boeing 737401 · Fuselage Main, FrameSDR USAA030157Frame · crackedFOUND FRAME CRACKED AT RIVET, STATION 440 S8L AND S9L FRAME. CUT OUT DAMAGED AREA AND INSTALLED DOUBLERS PER TYP REP 53-10-20A. (M)Aug 4, 2003 · N420US · Boeing 737401 · Fuselage Main, FrameSDR USAA030197Balance Arm · damagedFOUND RUDDER BALANCE ARM HAS HOLE 1.25 INCH BY .75 INCH, UPPER SURFACE. ROUTED OUT DAMAGE AND INSTALLED DOUBELR PER EA 76691. (M)Jul 31, 2003 · N420US · Boeing 737401 · Empennage Structure
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