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 99ZZZM234Charger · failedCLT - MAINTENANCE FOUND THE EMERGENCY LIGHTS IN HALF THE CABIN INOPERATIVE. ALSO, FOUND THE EMERGENCY EXIT LIGHT AT SEAT ROW 11, LEFT SIDE, INOPERATIVE. MAINTENANCE REMOVED AND REPLACED THE BATTERY PACK AND CHARGER ASSEMBLY AT SEAT ROW 20. OPERATIONAL CHECK GMar 12, 1999 · N424US · Boeing 737401 · Emergency LightingSDR USAA99293Floorbeam · corrodedCLT - DURING Q-6 CHECK VISUAL INSPECTION, FOUND CORROSION AT STATION 773 RBL 3, 1 INCH BY 1 INCH AT NUTPLATE HOLES OF FLOOR SUPPORT. REPAIRED PER TR 53-10-06. (M)Mar 8, 1999 · N407US · Boeing 737401 · Fuselage Main, Floor BeamSDR USAA990295Floorbeam · corrodedCLT - DURING Q-6 CHECK VISUAL INSPECTION, FOUND A 1 INCH BY 8 INCH AREA OF CORROSION AT BS 747 RBBL 13.8 FLOORBEAM. INSTALLED TIE DOWN TRACK PER SRM 53-00-53 FIG 202. (M)Mar 8, 1999 · N407US · Boeing 737401 · Fuselage Main, Floor BeamSDR USAA990294Floorbeam · corrodedCLT - DURING Q-6 CHECK VISUAL INSPECTION, FOUND CORROSION AT BSL 859 LBL 3 FLOORBEAM. INSTALLED DOUBLER PER TR 53-10-06. (M)Mar 8, 1999 · N407US · Boeing 737401 · Fuselage Main, Floor BeamSDR USAA990292Floorbeam · corrodedCLT - DURING Q-6 CHECK VISUAL INSPECTION, FOUND CORROSION AT STATION 312 AND 328 LBL 11 FLOOR SUPPORT. REPAIRED PER SRM 51-10-2. (M)Mar 8, 1999 · N407US · Boeing 737401 · Fuselage Main, Floor BeamSDR USAA990178Skin · distortedCLT - DURING Q-6 CHECK VISUAL INSPECTION, FOUND SKIN DISTORTED ON FUSELAGE BETWEEN STATION 867 TO 887 BETWEEN STRINGER 22R TO 23R. INSTALLED DOUBLER PER SRM 53-00-01 FIG 202. (M)Mar 8, 1999 · N407US · Boeing 737401 · Fuselage Main, Plate/SkinSDR USAA990177Frame · crackedCLT - DURING Q-6 CHECK VISUAL INSPECTION, FOUND A .5 INCH CRACK STATION 787 BETWEEN S8L AND 9L FRAME. INSTALLED DOUBLER PER EA 63838A AND SRM 53-00-07. (M)Mar 8, 1999 · N407US · Boeing 737401 · Fuselage Main, FrameSDR USAA990176Frame · crackedCLT - DURING Q-6 CHECK VISUAL INSPECTION, FOUND A .5 INCH CRACK STATION 867 BETWEEN S8L AND 9L FRAME. INSTALLED DOUBLER PER EA 63838A AND SRM 53-00-07. (M)Mar 8, 1999 · N407US · Boeing 737401 · Fuselage Main, FrameSDR USAA990175Frame · crackedCLT - DURING Q-6 CHECK VISUAL INSPECTION, FOUND A .25 INCH CRACK STATION 867L BETWEEN S8L AND 9L FRAME. INSTALLED DOUBLER PER EA 63838A AND SRM 53-00-07 FIG 202. (M)Mar 8, 1999 · N407US · Boeing 737401 · Fuselage Main, FrameSDR USAA990174Frame · crackedCLT - DURING Q-6 CHECK VISUAL INSPECTION, FOUND A .5 INCH CRACK STATION 827 BETWEEN S8L AND 9L FRAME. INSTALLED DOUBLER PER EA 63838A AND SRM 53-00-07. (M)Mar 8, 1999 · N407US · Boeing 737401 · Fuselage Main, FrameSDR USAA990173Frame · crackedCLT - DURING Q-6 CHECK VISUAL INSPECTION, FOUND A .5 INCH CRACK STATION 747 BETWEEN S8L AND 9L FRAME. INSTALLED DOUBLER PER EA 63838A AND SRM 53-00-07. (M)Mar 8, 1999 · N407US · Boeing 737401 · Fuselage Main, FrameSDR USAA990172Frame · crackedCLT - DURING Q-6 CHECK VISUAL INSPECTION, FOUND A .25 INCH CRACK STATION 747L BETWEEN S8L AND 9L FRAME. INSTALLED DOUBLER PER EA 63838A AND SRM 53-00-07. (M)Mar 8, 1999 · N407US · Boeing 737401 · Fuselage Main, FrameSDR USAA990171Frame · crackedCLT - DURING Q-6 CHECK VISUAL INSPECTION, FOUND A .5 INCH CRACK STATION 727F BETWEEN S8R AND 9R FRAME. INSTALLED DOUBLER PER EA 63838A AND SRM 53-00-07. (M)Mar 8, 1999 · N407US · Boeing 737401 · Fuselage Main, FrameSDR USAA990170Frame · crackedCLT - DURING Q-6 CHECK VISUAL INSPECTION, FOUND A .5 INCH CRACK STATION 727B BETWEEN S8L AND 9L FRAME. INSTALLED DOUBLER PER EA 63838A AND SRM 53-00-07 FIG 202. (M)Mar 8, 1999 · N407US · Boeing 737401 · Fuselage Main, FrameSDR USAA990169Frame · crackedCLT - DURING Q-6 CHECK VISUAL INSPECTION, FOUND A .5 INCH CRACK STATION 500D BETWEEN S8R AND 9R FRAME. INSTALLED DOUBLER PER EA 63838A AND SRM 53-00-07. (M)Mar 8, 1999 · N407US · Boeing 737401 · Fuselage Main, FrameSDR USAA990168Frame · crackedCLT - DURING Q-6 CHECK VISUAL INSPECTION, FOUND A .5 INCH CRACK STATION 500A BETWEEN S8R AND 9R FRAME. INSTALLED DOUBLER PER EA 63838A AND SRM 53-00-07. (M)Mar 8, 1999 · N407US · Boeing 737401 · Fuselage Main, FrameSDR USAA990167Frame · crackedCLT - DURING Q-6 CHECK VISUAL INSPECTION, FOUND A .5 INCH CRACK STATION 500A BETWEEN S8L AND 9L. INSTALLED DOUBLER PER EA 63838A AND SRM 53-00-07. (M)Mar 8, 1999 · N407US · Boeing 737401 · Fuselage Main, FrameSDR USAA990166Frame · crackedCLT - DURING Q-6 CHECK VISUAL INSPECTION, FOUND A .5 INCH CRACK STATION 480 BETWEEN S8L AND 9L FRAME. INSTALLED DOUBLER PER EA 63838A AND SRM 53-00-07 FIG 202. (M)Mar 8, 1999 · N407US · Boeing 737401 · Fuselage Main, FrameSDR USAA990165Frame · crackedCLT - DURING Q-6 CHECK VISUAL INSPECTION, FOUND A .5 INCH CRACK STATION 440 BETWEEN S8R AND 9R FRAME. INSTALLED DOUBLER PER EA 63838A AND SRM 53-00-07 FIG 202. (M)Mar 8, 1999 · N407US · Boeing 737401 · Fuselage Main, FrameSDR USAA990164Frame · crackedCLT - DURING Q-6 CHECK VISUAL INSPECTION, FOUND A .5 INCH CRACK STATION 400 BETWEEN S8L AND 9L FRAME. INSTALLED DOUBLER PER EA 63838A AND SRM 53-00-07 FIG 202. (M)Mar 8, 1999 · N407US · Boeing 737401 · Fuselage Main, FrameSDR USAA990143Frame · crackedCLT - DURING Q-6 CHECK VISUAL INSPECTION, FOUND A .5 INCH CRACK STATION 380 BETWEEN S8R AND 9R. INSTALLED DOUBLER PER EA 63838A AND SRM 53-00-07. (M)Mar 8, 1999 · N407US · Boeing 737401 · Fuselage Main, FrameSDR USAA990142Frame · crackedCLT - DURING Q-6 CHECK VISUAL INSPECTION, FOUND A .5 INCH CRACK STATION 380 BETWEEN S8L AND 9L. INSTALLED DOUBLER PER EA 63838A AND SRM 53-00-07 FIG 202. (M)Mar 8, 1999 · N407US · Boeing 737401 · Fuselage Main, FrameSDR USAA990138Floorbeam · corrodedCLT - DURING Q-6 CHECK VISUAL INSPECTION, FOUND CORROSION .5 BY .5 INCH AT BS 967 RBL 18 FLOORBEAM, CORROSION TASK NR C53-107-02. INSTALLED 'T' CAP WITH REPAIR ANGLES PER TR 53-10-05. (M)Mar 8, 1999 · N407US · Boeing 737401 · Fuselage Main, Floor BeamSDR USAA990137Floorbeam · corrodedCLT - DURING Q-6 CHECK VISUAL INSPECTION, FOUND CORROSION .5 BY .5 INCH AT BS 947 LBL 15 RBL 15 AROUND NUT PLATE HOLES FLOORBEAM. CORROSION TASK NR C53-107-02. INSTALLED 'T' CAP WITH REPAIR ANGLES PER SRM 53-00-5 FIG 202. (M)Mar 8, 1999 · N407US · Boeing 737401 · Fuselage Main, Floor BeamSDR USAA990136Beam · corrodedCLT - DURING Q-6 CHECK VISUAL INSPECTION, FOUND CORROSION 1 INCH BY 2 INCH STATION 312 LBL 11 BEAM. REPAIRED PER SRM 53-10-51. (M)Mar 8, 1999 · N407US · Boeing 737401 · Fuselage Miscellaneous StructureSDR USAASB99044Battery Pack · dischargedCLE - MAINTENANCE FOUND THE CENTER CABIN FLOOR EMERGENCY LIGHTS INOPERATIVE. MAINTENANCE REMOVED AND REPLACED THE BATTERY PACK FOR THE M1136 POWER SUPPLY. OPERATIONAL CHECK GOOD. (M)Feb 20, 1999 · N409US · Boeing 737401 · Emergency LightingSDR USAA99075Floorbeam · corrodedCLT - DURING Q-5 CHECK VISUAL INSPECTION, FOUND A 1 INCH BY 2 INCH CORRODED AREA AT BS 859 RBL 25 LBL 25 FLOOR SUPPORT. CORROSION TASK NR C53-202-01. INSTALLED DOUBLER PER TR 53-10-06. (M)Feb 12, 1999 · N411US · Boeing 737401 · Fuselage Main, Floor BeamSDR USAA990082Angle · crackedCLT - DURING Q-5 CHECK VISUAL INSPECTION, FOUND A 2 INCH CRACK STRINGER 12R STATION 1141 ANGLE RADIUS. SPLICED ANGLE PER SRM 51-70-11. (M)Feb 12, 1999 · N411US · Boeing 737401 · Fuselage Miscellaneous StructureSDR USAA990080Floorbeam · corrodedCLT - DURING Q-5 CHECK VISUAL INSPECTION, FOUND CORROSION BS 986 FLOORBEAM UPPER T-CAP BETWEEN LLBL 29 AND RLBL 29. CORROSION TASK NR C53-107-02. REPAIRED PER TR 53-60-01. (M)Feb 12, 1999 · N411US · Boeing 737401 · Fuselage Main, Floor BeamSDR USAA990079Cargo Track · corrodedCLT - DURING Q-5 CHECK VISUAL INSPECTION, FOUND 2 INCH BY 16 INCH AREA OF CORROSION BS 767-867 RBL 14.5 CARGO TRACK TIE DOWN CHANNEL. CORROSION TASK NR C53-202-01. SPLICED IN NEW TRACK SECTION PER SRM 53-00-53. (M)Feb 12, 1999 · N411US · Boeing 737401 · Fuselage, Seat/Cargo Attach FittingsSDR USAA990078Cargo Track · corrodedCLT - DURING Q-5 CHECK VISUAL INSPECTION, FOUND A 1 INCH BY 3 INCH AREA OF CORROSION BS 947.5 LBL 14.5 AFT CORNER CARGO TRACK TIE DOWN CHANNEL. CORROSION TASK NR C53-202-01. SPLICED IN DOUBLER PER SRM 53-00-53. (M)Feb 12, 1999 · N411US · Boeing 737401 · Fuselage, Seat/Cargo Attach FittingsSDR USAA990077Floorbeam · corrodedCLT - DURING Q-5 CHECK VISUAL INSPECTION, FOUND A 30 INCH AREA OF CORROSION STATION 344 FLOORBEAM. SPLICED IN 'T' CAP AND DOUBLER PER SRM 53-10-51. (M)Feb 12, 1999 · N411US · Boeing 737401 · Fuselage Main, Floor BeamSDR USAA990076Floorbeam · corrodedCLT - DURING Q-5 CHECK VISUAL INSPECTION, FOUND CORROSION AT NUTPLATE HOLES STATION 967 LBL 16 - LBL 50 FLOORBEAM. CORROSION TASK NR C53-107-02. INSTALLED REPAIR STRAP PER SRM 53-00-57 FIG 203. (M)Feb 12, 1999 · N411US · Boeing 737401 · Fuselage Main, Floor BeamSDR USAA990074Floorbeam · corrodedCLT - DURING Q-5 CHECK VISUAL INSPECTION, FOUND 8 INCH CORROSION AT STATION 312 LBL 12 FLOOR SUPPORT. REMOVED AND REPLACED SUPPORT PER SRM 51-10-2. (M)Feb 12, 1999 · N411US · Boeing 737401 · Fuselage Main, Floor BeamSDR USAA990073Floorbeam · corrodedCLT - DURING Q-5 CHECK VISUAL INSPECTION, FOUND CORROSION 8 INCH STATION 328 LBL 12 FLOORBEAM. REPAIRED 'T' CAP SLICE PER SRM 53-10-51 FIG 205. (M)Feb 12, 1999 · N411US · Boeing 737401 · Fuselage Main, Floor BeamSDR USAA990072Skin · corrosionCLT - DURING Q-5 CHECK VISUAL INSPECTION, FOUND CORROSION 2 INCH BY 4 INCH BS 795 BL 0 ON SKIN. REPAIRED DOUBLER EXTERNAL PER SRM 53-00-01. (M)Feb 12, 1999 · N411US · Boeing 737401 · Fuselage Main, Plate/SkinSDR USAA990071Floorbeam · corrodedCLT - DURING Q-5 CHECK VISUAL INSPECTION, FOUND CORROSION AT TOP SURFACE 'T' CAP STATION 312 LBL 40 - LBL 36 FLOORBEAM. REPAIRED ANGLES 'T' CAP PER SRM 53-10-51 FIG 205. (M)Feb 12, 1999 · N411US · Boeing 737401 · Fuselage Main, Floor BeamSDR USAASB99016Sensor · malfunctionedCLT - FLT 2210 - AFTER TAKEOFF, THE FLIGHT CREW REPORTED THE LEFT MAIN LANDING GEAR UNSAFE ILLUMINATED AND REMAINED ON AFTER GEAR RETRACTION. LIGHT WOULD NOT EXTINGUISH WITH THE GEAR HANDLE IN THE UP OR ON POSITION. FLIGHT RETURNED TO FIELD AT CLT. CREW RECJan 20, 1999 · N417US · Boeing 737401 · Landing Gear Position and WarningSDR USAA990042Floorbeam · corrodedCLT - DURING Q-4 CHECK VISUAL INSPECTION, FOUND CORROSION AROUND FASTENER HOLES STATION 947 BETWEEN LBL 20 TO RBL 20 FLOORBEAM. CORROSION TASK NR C 53-107-02. INSTALLED BEAM SECTION PER TR 53-60-02. (M)Jan 17, 1999 · N409US · Boeing 737401 · Fuselage Main, Floor BeamSDR USAA990041Floorbeam · corrodedCLT - DURING Q-4 CHECK VISUAL INSPECTION, FOUND CORROSION ON FLOORBEAM BS 344.17 RBL 8 - RBL 22 CORROSION TASK NR C 53-107-02. INSTALLED 'T' CAP DOUBLER REPAIR PER SRM 53-10-51 FIG 205. (M)Jan 17, 1999 · N409US · Boeing 737401 · Fuselage Main, Floor BeamSDR USAA990040Floorbeam · corrosionCLT - DURING Q-4 CHECK VISUAL INSPECTION, FUOND CORROSIN ON FLOORBEAM STATION 986 BL 0 TO RBL 35 1 INCH BY 3 INCH, CORROSION TASK NR C 53-107-02. INSTALLED 'T' CAP AND SHEAR TIES PER TR 53-60-01 AND SRM 53-00-01 FIG 202. (M)Jan 17, 1999 · N409US · Boeing 737401 · Fuselage Main, Floor BeamSDR USAA990010Floorbeam · corrodedCLT - DURING Q-4 CHECK VISUAL INSPECTION, FOUND CORROSION ON FLOORBEAM STATION 967 RBL 20. CORROSION TASK NR C53-107-02. INSTALLED REPAIR ANGLE PER SRM 53-60-51. (M)Jan 17, 1999 · N409US · Boeing 737401 · Fuselage Main, Floor BeamSDR USAA990009Floorbeam · corrodedCLT - DURING Q-4 CHECK VISUAL INSPECTION, FUOND CORROSION AROUND 2 SCREW HOLES 3 INCH BY 3 INCH TOP OF FLOORBEAM BS 312 BL 0. CORROSION TASK NR C53-107-02. SPLICED FLOORBEAM 'T' CAP AND INSTALLED ANGLE PER SRM 53-10-51. (M)Jan 17, 1999 · N409US · Boeing 737401 · Fuselage Main, Floor BeamSDR USAASB99013Connector · failedPHL - FLT 867 - AFTER TAKEOFF, CREW COULD NTO RETRACT THE LANDING GEAR. FLIGHT RETURNED TO FIELD AT PHL AND LANDED WITHOUT FURTHER INCIDENT. NO EMERGENCY WAS DECLARED. MAINTENANCE FOUND A WIRE PULLED LOOSE FROM THE AIR/GROUND SENSING SYSTEM ELECTRICAL CONNEJan 14, 1999 · N412US · Boeing 737401 · Landing Gear Position and WarningSDR 99ZZZM155Sensor · failedPHL - FLT 867 - AFTER TAKEOFF, CREW COULD NTO RETRACT THE LANDING GEAR. FLIGHT RETURNED TO FIELD AT PHL AND LANDED WITHOUT FURTHER INCIDENT. NO EMERGENCY WAS DECLARED. MAINTENANCE FOUND A WIRE PULLED LOOSE FROM THE AIR/GROUND SENSING SYSTEM ELECTRICAL CONNEJan 14, 1999 · N412US · Boeing 737401 · Landing Gear Position and WarningSDR USAASB99009Sensor · failedCLT - AFTER TAKEOFF AND LANDING GEAR RETRACTION, THE LEFT MAIN LANDING GEAR UNSAFE ILLUMINATED AND REMAINED ON WITH GEAR RETRACTED. CREW RECYCLED THE GEAR WITH NO HELP. FLIGHT CONTINUED AND LANDED WITHOUT FURTHER INCIDENT. MAINTENANCE REMOVED AND REPLACED TJan 7, 1999 · N418US · Boeing 737401 · Landing Gear Position and WarningSDR USAASB98339Windshield · crackedPIT - FL735 - EN ROUTE FROM PHL TO MCI, THE UPPER RIGHT CORNER OF CAPTAINS WINDSHIELD CRACKED AND BEGAN ARCING. FLIGHT DIVERTED TO PIT AND LANDED WITHOUT FURTHER INCIDENT. NO EMERGENCY WAS DECLARED. MAINTENANCE REMOVED AND REPLACED THE CAPTAINS L1 WINDSHIELDec 22, 1998 · N412US · Boeing 737401 · Flight Compartment WindowsSDR USAASB98338Sensor · out of adjustPIT - PILOT REPORTED THE LEFT MAIN LANDING GEAR UNSAFE LIGHT REMAINED ILLUMINATED AFTER GEAR RETRACTION. CREW RECYCLED GEAR AND LIGHT EXTINGUISHED. FLIGHT CONTINUED AND LANDED WITHOUT FURTHER INCIDENT. MAINTENANCE FOUND EXCESSIVE GAP ON LEFT MAIN LANDING GEDec 22, 1998 · N421US · Boeing 737401 · Landing Gear Position and WarningSDR USAASB98333Crossfeed · failedABQ - FL 165 - APPROXIMATELY 200 MILES NORTHEAST OF ABQ, CREW REPORTED OVER ACARS THAT THEY HAD A FUEL VALVE STUCK AND A FUEL IMBALANCE WAS GROWING. IMBALANCE WAS SEVERE ENOUGH THAT THE FLIGHT DIVERTED TO ABQ WHERE IT LANDED WITHOUT FURTHER INCIDENT. NO EMERDec 19, 1998 · N417US · Boeing 737401 · Fuel Transfer ValveSDR USAASB98328Logic Card · failedIAH - PILOT REPORTED, AFTER INITIAL GEAR RETRACTION, THE LT MAIN GEAR RED LIGHT REMAINED ILLUMINATED. CREW RECYCLED GEAR DOWN, THEN UP, AND LIGHT EXTINGUISHED. IT WAS NOTED THAT THIS LIGHT WAS THE LAST TO EXTINGUISH UPON GEAR RETRACTION. FLIGHT CONTINUED ANDec 15, 1998 · N421US · Boeing 737401 · Landing Gear Position and Warning
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