Boeing 747-121

Service difficulty reports · 3,030

Newest first. General aviation reporting is voluntary.

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 aircraft_model_key = '747121'
  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 UPS404653Frame · crackedWHILE IN AMSTERDAM FOR C-CHECK, MAINTENANCE FOUND CRACK IN UPPER FLANGE OF FRAME, BS 2080 LBL 53. MAINTENANCE REPAIRED IAW SRM 51-40-03.Oct 3, 1995 · N683UP · Boeing 747121 · Fuselage Main, FrameSDR UPS404652Frame · crackedWHILE IN AMSTERDAM FOR C-CHECK, MAINTENANCE FOUND CRACK IN FRAME JUST UNDER FLOOR STRUCTURE, BS 2060 LBL 54. MAINTENANCE REPAIRED IAW SRM 51-40-03.Oct 3, 1995 · N683UP · Boeing 747121 · Fuselage Main, FrameSDR UPS404651Stringer · crackedWHILE IN AMSTERDAM FOR C-CHECK, MAINTENANCE FOUND CRACK IN THRESHOLD STRINGER IN BULK CARGO COMPARTMENT, AT BS 2000 RBL 52. MAINTENANCE FOUND THE DAMAGE TO BE OUT OF LIMITS, REMOVED CRACKED SECTION OF STRINGER AND REPAIRED IAW SRM 51-40-03.Oct 3, 1995 · N683UP · Boeing 747121 · Fuselage Main, Longeron/StringerSDR UPS404650Frame · crackedWHILE IN AMSTERDAM FOR C-CHECK, MAINTENANCE FOUND CRACK IN UPPER FLANGE OF FRAME AT BS 1900 S42 LT NEAR SIDE GUIDE. MAINTENANCE REPAIRED IAW SRM 51-40-03.Oct 3, 1995 · N683UP · Boeing 747121 · Fuselage Main, FrameSDR UPS404649Frame · crackedWHILE IN AMSTERDAM FOR C-CHECK, MAINTENANCE FOUND FRAME WEB DEFORMED AND STIFFENERS CRACKED ON BS 1780 UPPER SIDE, AFT CARGO COMPARTMENT BETWEEN LBL 30 AND RBL 30. MAINTENANCE REMOVED DAMAGED SECTION AND STIFFENERS, FOUND TO BE OUT OF LIMITS AND REPAIRED IAW Oct 3, 1995 · N683UP · Boeing 747121 · Fuselage Main, FrameSDR UPS404643Skin · dentedWHILE IN AMSTERDAM FOR C-CHECK, MAINTENANCE FOUND DENT AT LAP SPLICE ON LT LOWER SIDE STA 2520. MAINTENANCE REPAIRED IAW SRM 53-30-03.Oct 3, 1995 · N683UP · Boeing 747121 · Fuselage Main, Plate/SkinSDR UPS404642Tail Skid · damagedWHILE IN AMSTERDAM FOR C-CHECK, MAINTENANCE FOUND PERMANENT REPAIR OF TAIL SKID DAMAGED AT STA 2580 STRINGER 47R. MAINTENANCE MADE A PERMANENT REPAIR IAW SRM 53-30-03.Oct 3, 1995 · N683UP · Boeing 747121 · Auxiliary Gear (Tail Skid)SDR UPS404641Bulkhead · crackedWHILE IN AMSTERDAM FOR C-CHECK, MAINTENANCE FOUND SMALL CRACKS ON BS 2160 BULKHEAD AT RBL 53, 10 INCHES ABOVE CARGO FLOOR AND RBL 37, 5 INCHES ABOVE CARGO FLOOR. MAINTENANCE REPAIRED IAW SRM 51-40-02.Oct 3, 1995 · N683UP · Boeing 747121 · Fuselage Main, BulkheadSDR UPS404640Shear Tie · crackedWHILE IN AMSTERDAM FOR C-CHECK, MAINTENANCE FOUND CRACK IN SHEAR TIE AT BS 1820 LT, STR 45 AND 46. MAINTENANCE REPAIRED IAW SRM 53-10-04 FIGURE 3.Oct 3, 1995 · N683UP · Boeing 747121 · Fuselage Miscellaneous StructureSDR UPS404639Shear Tie · crackedWHILE IN AMSTERDAM FOR C-CHECK, MAINTENANCE FOUND SHEAR TIE ON FRAME CRACKED AT BS 1880 RT, BETWEEN STRINGER 48 TO 49. MAINTENANCE REPAIRED IAW SRM 53-10-04 FIGURE 3.Oct 3, 1995 · N683UP · Boeing 747121 · Fuselage Miscellaneous StructureSDR UPS404638Skin · crackedWHILE IN AMSTERDAM FOR C-CHECK, MAINTENANCE FOUND CRACK AT UPPER SKIN OF D-BEAM. MAINTENANCE REPAIRED SKIN AT WS 499 IAW SRM 57-30-04 FIGURE 2.Oct 3, 1995 · N683UP · Boeing 747121 · Fuselage Main, Plate/SkinSDR UPS404637Fitting · corrodedWHILE IN AMSTERDAM FOR C-CHECK, MAINTENANCE FOUND STRINGER END FITTING OF STR S1 STA 236O IS CORRODED. MAINTENANCE REMOVED CORROSION, OUT OF LIMITS, REPLACED FITTING IAW SRM 51-30-05/02.Oct 3, 1995 · N683UP · Boeing 747121 · Fuselage Miscellaneous StructureSDR UPS404636Channel · crackedWHILE IN AMSTERDAM FOR C-CHECK, MAINTENANCE FOUND CHANNEL W/200 RT SIDE OF CENTER VERTICAL BEAM CRACKED AT LOWER POSITION. MAINTENANCE PRESSURE BULKHEAD CHANNEL BELOW W/200 RT SIDE OF CENTER VERTICAL BEAM. CRACK OUT OF LIMITS IAW SRM 53-10-01, REPAIRED IAW SOct 3, 1995 · N683UP · Boeing 747121 · Fuselage Main, BulkheadSDR UPS404615Intercostal · corrodedWHILE IN AMSTERDAM FOR C-CHECK, MAINTENANCE FOUND CRACKS IN THE REINFORCING ANGLE AT BS 9360 BETWEEN STR 59 TO STR 8. MAINTENANCE REPAIRED ANGLE IAW SRM 51-40-03.Oct 3, 1995 · N683UP · Boeing 747121 · Fuselage Miscellaneous StructureSDR P5CA9500802Reservoir · rupturedUPON ARRIVAL VCP, UNABLE TO OPEN SIDE CARGO DOOR. WHILE ATTEMPTING TO TROUBLESHOOT DOOR HYDRAULIC PROBLEM, DOOR HYDRAULIC RESERVOIR RUPTURED. FOUND BENT LINE CAPPED WHICH CAUSED RUPTURE. REPLACED RESERVOIR IAW MM 52-35-00.Oct 2, 1995 · N830FT · Boeing 747121 · Cargo/Baggage DoorsSDR P5CA9500798Fairing · bulgingBULGING FAIRING BEHIND CTR E AND E DOOR. REMOVED FAIRING AND FOUND SHIM MISSING. INSTALLED SHIM AND INSTALLED FAIRING IAW SRM 51-30-02.Sep 29, 1995 · N832FT · Boeing 747121 · Electrical/Electronic Compartment DoorsSDR P5CA9500797Skin · corrodedSURFACE CORROSION OF CENTER E AND E DOOR INNER SKIN. REMOVED SURFACE CORROSION WITH NEGLIGIBLE MATERIAL LOSS AND REPAIRED IAW 51-10-01.Sep 29, 1995 · N832FT · Boeing 747121 · Electrical/Electronic Compartment DoorsSDR P5CA9500796Door · puncturedPUNCTURED LEFT HAND WING GEAR, LOWER OUTBOARD FLYING DOOR INNER SKIN. REPAIRED AND PAINTED AREA IAW SRM 51-40-15.Sep 29, 1995 · N832FT · Boeing 747121 · Landing Gear DoorsSDR P5CA9500795Fan Cowl · delaminatedDELAMINATION AND PUNCTURE OF NR 2 ENGINE RIGHT FAN COWL. REPAIRED IAW SRM 51-40-06.Sep 29, 1995 · N832FT · Boeing 747121 · Engine Cowling SystemSDR P5CA9500793Clevis Assy · crackedLANDING GEAR DOOR FITTING BROKEN AND CRACKED. REMOVED AND REPLACED CLEVIS ASSEMBLY ON LEFT HAND MAIN BODY GEAR OUTBOARD DOOR IAW MM 20-11-27.Sep 29, 1995 · N832FT · Boeing 747121 · Landing Gear Door Retract SectionSDR P5CA9500792Liner · crackedCRACKED APU EXHAUST PIPE INNER LINER. REMOVED AND REPLACED LINER IAW MM 49-81-03.Sep 29, 1995 · N832FT · Boeing 747121 · APU Exhaust SystemSDR P5CA9500791Te Skin · debondedDEBONDED ELEVATOR, LEFT HAND INBOARD ELEV TRAILING EDGE. REPAIRED WITH POTTING COMPOUND AND FIBERGLASS OVERLAY IAW SRM 51-41-00. PRIMED AND PAINTED IAW SRM 51-24-11.Sep 29, 1995 · N832FT · Boeing 747121 · Elevator, Plate/SkinSDR P5CA0900794Drain Panel · corrodedFOUND CORRODED WASHERS, WHICH ARE BULGING SKIN AT FORWARD LAV SERVICE PANEL DRAIN CUTOUT. REPLACED CORRODED WASHERS IAW SRM 51-10-01 AND REPAIRED PANEL IAW SRM 51-10-01.Sep 29, 1995 · N832FT · Boeing 747121 · Fuselage Miscellaneous StructureSDR UPS404512Te Skin · crackedWHILE ON GROUND, MAINTENANCE FOUND 2 LT HORIZONTAL STAB T/EDGE CRACKED.Sep 22, 1995 · N682UP · Boeing 747121 · Elevator, Plate/SkinSDR P5CA9500741Turbine · failedJFK - ON CLIMBOUT, NR 4 ENGINE EXPERIENCED A COMPRESSOR STALL AT CONSTANT SPEED, ALTITUDE 17,000 MAX EGT 856, ENGINE SHUTDOWN. SECOND STAGE TURBINE FAILURE, FOUND METAL IN TAIL PIPE. ENGINE CHANGED.Sep 8, 1995 · N830FT · Boeing 747121 · Turbine SectionSDR EIAA9541Hose · rupturedJFK - AFTER TAKEOFF, NR 4 HYDRAULIC QUANTITY LIGHT ILLUMINATED WITH LOSS OF HYDRAULIC QUANTITY ON GAUGE. FLUID LOSS CONTINUED WITH ADP OPS EDP PLACED IN DEPRESS. FLUID LEVEL STOPPED DECREASE AT 2.9 GALLONS WITH GEAR UP. RETURNED TO JFK, NO FUEL DUMP REQUIRESep 7, 1995 · N473EV · Boeing 747121 · Hydraulic System, MainSDR P5CA9500725Limiter Spring · brokenFIRST OFFICER'S CONTROL WHEEL HAS 2 DEGREES PLAY BEFORE GETTING ANY AILERON MOVEMENT. CAPTAIN'S CONTROL WHEEL OK. FOUND AILERON CONTROL LOAD LIMITER TORSION SPRING BROKEN. REMOVED AND REPLACED LOAD LIMITER PER BOEING MAINTENANCE MANUAL 27-11-05.Aug 29, 1995 · N831FT · Boeing 747121 · Control Column SectionSDR TWRA9552Acm · failedBLOCK TURNBACK, DUE TO SMOKE IN CABIN. UPON RETURNING TO GATE, MAINTENANCE FOUND NR 2 AIR CYCLE MACHINE HAD FAILED. REMOVED AND REPLACED THE NR 2 AIR CYCLE MACHINE, OPS CHECK OK. (M)Aug 26, 1995 · N609FF · Boeing 747121 · Cabin Cooling SystemSDR P5CA9500718Radome · delaminatedNOSE RADOME HIT BY BIRD ON LANDING. THE TOP SECTION BS 114, 9 INCH DIAMETER OF DELAMINATION, NO BROKEN SKIN INSIDE OR OUT. ENGINEERING REVIEWED OK FOR FLIGHT TO MAINTENANCE BASE FOR RADOME REPLACEMENT.Aug 24, 1995 · N832FT · Boeing 747121 · Aerodynamic FairingsSDR P5CA9500716Engine Vane Cont · malfunctionedAT TAKEOFF, UNABLE TO REACH TARGET BEFORE HITTING STOPS. REPLACED ENGINE VANE CONTROL.Aug 22, 1995 · N830FT · Boeing 747121 · Compressor Bleed ControlSDR P5CA9500715Fuel Control · malfunctionedDURING CLIMBOUT EXPERIENCED SLUGGISH ENGINE RESPONSE NR 4 ENGINE AT FL 210. CLIMBING THROUGH FL 290 HEARD AUDIBLE STALL AND OBSERVED SUBSEQUENT TOTAL LOSS OF ENGINE POWER. ALL PARAMETERS DROPPED OFF INCLUDING EGT. RELIGHT OF ENGINE WAS NORMAL AND ENGINE PERAug 22, 1995 · N830FT · Boeing 747121 · Fuel Control/Turbine EnginesSDR P5CA9500705Engine · malfunctionedNR 1 ENGINE AUTO DECELERATION WITHOUT THROTTLE MOVEMENT, SLOW ENGINE RESPONSE 40 MINUTES INTO FLIGHT, PRECAUTIONARY SHUT DOWN. RESTARTED ENGINE IN-FLIGHT, ALL NORMAL AFTER RESTART. INSPECTED TAIL PIPE AND BLEEDS FOR FOD, PULLED 8TH STAGE CHECK VALVE AND DUCTAug 17, 1995 · N831FT · Boeing 747121 · Engine (Turbine/Turboprop)SDR EIAA9539Engine · flamed outDURING CLIMB-OUT FROM JFK PASSING FL 33.2, MACH .81, 290 KNOTS, NR 4 ENGINE FLAMED OUT, IT WAS X-FEEDING FROM NR 2 MAIN TANK AT THE TIME, ALL OTHER PARAMETERS WERE NORMAL, ACCOMPLISHED SHUT DOWN CHECKLIST AND IN FLIGHT CHECKLIST. ENGINE RESTARTED NORMALLY, ALAug 15, 1995 · N473EV · Boeing 747121 · Engine (Turbine/Turboprop)SDR P5CA9500701Te Skin · separatedRIGHT OUTBOARD AILERON TRAILING EDGE SEPERATED OUTBOARD OF NR 2 STATIC WICK. REPAIRED PER BOEING SRM 51-40-09.Aug 9, 1995 · N830FT · Boeing 747121 · AileronsSDR P5CA9500700Le Skin · gougedRIGHT OUTBOARD FLAP, FOREFLAP OUTBOARD END LEADING EDGE IS GOUGED IN 3 PLACES. REPAIRED PER BOEING SRM 51-40-09.Aug 9, 1995 · N830FT · Boeing 747121 · Trailing Edge FlapsSDR P5CA9500699Te Skin · separatingRIGHT OUTBOARD AILERON TRAILING EDGE SEPARATING INBOARD APROXIMATELY 6 TO 10 INCHES. REPAIRED PER BOEING SRM 51-40-09.Aug 9, 1995 · N830FT · Boeing 747121 · AileronsSDR P5CA9500698Fairing · crackedNR 3 PYLON LOWER AFT FAIRING CRACKED ON RIGHT SIDE AND HAS LOOSE AND MISSING FASTENERS ON BOTH SIDES. REPAIRED PER BOEING SRM 51-40-02.Aug 9, 1995 · N830FT · Boeing 747121 · Nacelle/Pylon StructureSDR P5CA9500697Radome · delaminatedRADOME HAS AREAS OF ERROSION AND APPROXIMATELY 2 BY 2 AREA OF DELAMINATION. REPAIRED PER BOEING SRM 51-40-09.Aug 9, 1995 · N830FT · Boeing 747121 · Aerodynamic FairingsSDR P5CA9500696Stringer · crackedS34L CRACKED IN RADIUS, BS 1778 AT OLD SET MARK. REPLACED STRINGER.Aug 9, 1995 · N831FT · Boeing 747121 · Fuselage Main, Longeron/StringerSDR P5CA9500695Stringer · elongated holeS34L ELONGATED HOLE AT BS 1852. STRINGER REPLACED.Aug 9, 1995 · N830FT · Boeing 747121 · Fuselage Main, Longeron/StringerSDR P5CA9500694Stringer · corrodedS34L FROM BS 1740 TO SPLICE ARE AT BS 1890 HAS LIGHT CORROSION ON LOWER UPPER SECTION OF HAT CHANNEL, NO PROTECTIVE COATING ON STRINGER. STRINGER REPLACED FOR OTHER DAMAGE.Aug 9, 1995 · N830FT · Boeing 747121 · Fuselage Main, Longeron/StringerSDR P5CA9500693Stringer · misdrilledFOUND AT BS 1820 TO BS 1850, S34L UPPER SIDE OF HAT CHANNEL HAS 32 HOLES .5 INCH APART AND 11 HOLES UPPER SIDE OF HAT CHANNEL IN SPLICE AREA AT BS 1890. REPLACED STRINGER PER EA 5310-0-01.Aug 9, 1995 · N830FT · Boeing 747121 · Fuselage Main, Longeron/StringerSDR P5CA9500692Skin · crackedLEFT INBOARD ELEVATOR TRAILING EDGE CRACKED, UPPER AND LOWER SURFACE APPROXIMATLY 36 TO 40 INCHES FROM INBOARD END. REPAIRED PER BOEING SRM 51-40-14.Aug 9, 1995 · N830FT · Boeing 747121 · Elevator, Plate/SkinSDR P5CA9500691Fitting · crackedLEFT BODY LANDING GEAR RETRACT ACTUATOR UPPER FITTING CRACKED, BS 1480 BULKHEAD. REPLACED FITTING.Aug 3, 1995 · N831FT · Boeing 747121 · Fuselage Miscellaneous StructureSDR P5CA9500472Lights · smokingACRID TYPE SMELL NOTED INITIALLY DURING CLIMB THRU FL 280, 3 MINUTES LATER OBSERVED FAINT SMOKE FROM LEFT GLARESHIELD. TURNED OFF ALL INTSTRUMENT BACK GROUND LIGHTS SMOKE AND ODOR STOPPED, TURNED LIGHTS ON 1 AT A TIME SMOKE AND ODOR DID NOT RETURN. MAINTENANCJul 20, 1995 · N831FT · Boeing 747121 · Flight Compartment LightingSDR UPS403802Eel · inopWHILE ON GROUND IN ONTARIO, MAINTENANCE FOUND L-1 ENTRY DOOR FWD EMERGENCY LIGHT INOP. REPLACED A ZONE EMERGENCY LIGHT ASSY, OPS CHECK GOOD.Jul 9, 1995 · N682UP · Boeing 747121 · Emergency LightingSDR P5CA9500540Skin · corrodedSWELLING ON EXTERNAL SKIN BETWEEN BS 1800 AND 1820 AT S50L. REMOVED CORROSION PER BOEING SRM 51-10-01.Jul 4, 1995 · N831FT · Boeing 747121 · Fuselage Main, Plate/SkinSDR P5CA9500539Skin · corrodedSWELLING ON EXTERNAL SKIN BETWEEN BS 1820 AND 1840 AT S47R. REMOVED FASTENERS FROM SWELLED AREA, REMOVED CORROSION FROM SKIN PER SRM 51-10-01, WITHIN LIMITS PER 53-10-01, INSTALLED FASTENER PER SRM 53-10-01.Jul 4, 1995 · N831FT · Boeing 747121 · Fuselage Main, Plate/SkinSDR P5CA9500538Skin · crackedCRACK IN SKIN AT NR 4L DOOR LOWER HINGE CUTOUT. REPAIRED BY BLEND OUT, WITHIN LIMITS PER BOEING SRM 52-00-02.Jul 4, 1995 · N831FT · Boeing 747121 · Cargo/Baggage DoorsSDR P5CA9500537Rib · crackedCRACKED FORGED RIB LEFT WING LEADING EDGE CAVITY WS 800. (2 CRACKS ON AFT UPPER LEFT SIDE CHORD). MANUFACTURED REINFORCEMENT PER BOEING SRM 57-20-03 INSTALLED PER BOEING SRM 51-30-02.Jul 4, 1995 · N831FT · Boeing 747121 · Wing, Rib/Bulkhead
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