Boeing 747-122

Service difficulty reports · 2,143

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 = '747122'
  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 P5CA9700521Tt2 Sensor · malfunctionedJUST PRIOR TO DESCENT, NR 1 ENG WOULD NOT RESPOND TO THROTTLE MOVEMENT BETWEEN FLIGHT LEVELS 35.0 AND 25.0. EPR .95; EGT 600 C; FUEL/FLOW 2700 N1 59 PERCENT. CREW TRIED A RAPID RESTART AT 250 KTS, NO HELP ENG ANTI-ICE ON ALL FUEL PUMPS, TRIED FUEL HEAT BOTH IMay 12, 1997 · N853FT · Boeing 747122 · Fuel Controlling SystemSDR P5CA9700519Adi · failedDURING TAKEOFF AT APPROXIMATELY 60 TO 70 KTS, THE FIRST OFFICERS ADI ROLLED 90 DEGREES LEFT, CIWS ATT LIGHT ON AND THE GYRO FLAG WAS IN VIEW. AFTER THE ABORT THE ADI RETURNED TO NORMAL GYRO FLAG DISAPPEARED AND THE CIWS ATT LIGHT WENT OUT. NR 2 INS WAS CHECKMay 9, 1997 · N851FT · Boeing 747122 · Integrated Flight SystemSDR 97UAL900357Light · failedEMERGENCY ESCAPE LIGHTING INOP ROWS 1 AND 2L. REPLACED EMERGENCY ESCAPE LIGHTING STRIPS ROWS 1 AND 2L, OPERATION CHECKS NORMAL.May 7, 1997 · N4732U · Boeing 747122 · Emergency LightingSDR P5CA9700515S Rail · crackedNR 2 ENGINE S-RAIL CRACKED 3 PLACES. REMOVED ENGINE FOR EXHAUST CASE REPLACEMENT PER POLAR AIR CARGO WORK CARD M7100-002.May 5, 1997 · N852FT · Boeing 747122 · Turbine SectionSDR P5CA9700514Antenna · lightning strikeIN CRUISE, BOTH VOR SYSTEMS INOPERATIVE. MAINTENANCE ON GROUND FOUND EVIDENCE OF LIGHTNING STRIKE HOLE IN VOR ANTENNA. REMOVED AND REPLACED ANTENNA PER BOEING MAINTENANCE MANUAL 34-31-03, OPERATIONAL CHECK PER 34-31-00. LIGHTNING STRIKE INSPECTION PERFORMED May 5, 1997 · N854FT · Boeing 747122 · Visual Omnirange (VOR) SystemSDR P5CA9700511Cadc · malfunctionedNUMBER 1 AND NUMBER 3 INS TAS AND WIND DIRECTION BLANK AND/OR FLASHING MANY DIFFERENT TRUE AIR SPEEDS AND WIND DIRECTION AND SPEEDS. NUMBER 1 INS WOULD NOT NAVIGATE CORRECTLY. NUMBER 2 INS ERROR RATE 5 MILES PER HOUR. REPLACED NR 1 CADC PER MAINTENANCE MANUALApr 30, 1997 · N850FT · Boeing 747122 · Air Data ComputerSDR P5CA9700504Engine · failedAT 08:57 Z FLIGHT LEVEL 29,700, NR 4 ENGINE COMPRESSOR STALLED EGT WENT TO 908 DEGREES CELSIUS AND ALL OTHER PARAMATERS REMAINED NORMAL. SHUT DOWN NR 4 ENGINE I/A/W POLAR PROCEDURE. FOUND METAL IN TAIL PIPE. ENGINE REPLACED PER POLAR AIR CARGO FORM M7100-00Apr 17, 1997 · N852FT · Boeing 747122 · Engine (Turbine/Turboprop)SDR P5CA9700502Fairing · delaminatedDELAMINATION ON NR 3 PYLON SAIL BOAT FAIRING LEADING EDGE 2 BY 15. REPAIRED PER MA 5450-01:01.Apr 16, 1997 · N851FT · Boeing 747122 · Nacelle/Pylon StructureSDR P5CA9700473Skin · crackedDURING WALK AROUND INSPECTION FOUND SKIN BULGING AND A 1.50 INCH CRACK BELOW AFT CARGO DOOR APPROXIMATELY BS 1852. REPAIRED PER BOEING SRM 53-30-03 FIGURE 1. (LEVEL 2 CORROSION.)Apr 6, 1997 · N851FT · Boeing 747122 · Fuselage Main, Plate/SkinSDR 97UAL900259Engine · stalledNR 3 ENGINE STALLED DURING CLIMB-OUT. EGT OVERTEMP. AIRCRAFT RETURNED TO FIELD. OVERWEIGHT LANDING.Apr 3, 1997 · N4723U · Boeing 747122 · Engine (Turbine/Turboprop)SDR 97UAL900270Actuator · failedAFTER TAKEOFF ON GEAR RETRACTION, LEFT WING GEAR AND DOOR LIGHT ILLUMINATED. LIGHT ON IN BOTH PRIMARY AND ALTERNATE POSITIONS. FOLLOWED IRREGULAR PROCEDURES, LIGHTS REMAINED ON. FLIGHT RETURNED TO BKK. RETRACT ACTUATOR ROD END BEARING BROKEN. INNER BEARINMar 28, 1997 · N4735U · Boeing 747122 · Landing Gear ActuatorSDR 97UAL900244Actuator · failedAFTER TAKEOFF, LEFT WING DOOR LIGHT ILLUMINATED IN BOTH PRIMARY AND ALTERNATE POSITION ACCOMPANIED WITH RED DOOR AND GEAR LIGHT. AIRCRAFT RETURNED TO BKK. REPLACED LEFT WING DOOR ACTUATOR PER MAINTENANCE MANUAL. OPERATION CHECKS NORMAL.Mar 28, 1997 · N4735U · Boeing 747122 · Landing Gear Door ActuatorSDR 97UAL900218Battery Pack · dischargedEMERGENCY EXIT SIGNS FAILED TO ILLUMINATE DURING EMERGENCY LIGHT CHECK. REPLACED BATTERY PACK. OPERATION CHECKS NORMAL.Mar 17, 1997 · N4723U · Boeing 747122 · Emergency LightingSDR 97UAL900217Strip · inoperativeEMERGENCY EXIT LIGHTING BETWEEN MED'S NR 5 INOP. REPLACED EMERGENCY EXIT LIGHTING STRIP. OPERATION CHECKS NORMAL.Mar 17, 1997 · N4718U · Boeing 747122 · Emergency LightingSDR P5CA9700470Doubler · crackedNR 2 ENGINE PYLON OLD DOUBLER REPAIR BY G/B SLOT SEAL CORNER CRACKED. REMOVED AND REPLACED DOUBLER PER BOEING 51-30-02 AND 51-10-01 EDDY CURRENT IAW NTD 54-40-13 PART 6.Mar 14, 1997 · N854FT · Boeing 747122 · Nacelle/Pylon StructureSDR 97UAL900204Sequence Valve · failedAIRCRAFT RETURNED TO FIELD DUE TO LANDING GEAR DOOR WARNING LIGHT. *S/D* REPLACED LWLG UPLOCK SEQUENCE VALVE, SWUNG GEAR SEVERAL TIMES. ACCOMPLISHED VERIFICATION FLIGHT PERFORMING SEVERAL GEAR EXTENSIONS/RETRACTIONS, OPERATION CHECKS NORMAL.Mar 12, 1997 · N4735U · Boeing 747122 · Landing Gear Retraction/Extension SystemSDR 97UAL900192Skin · crackedLONGITUDINAL CRACK IN SKIN PANEL APPROXIMATELY 1 INCH LONG AT STATION 2022. CRACK IS 0.5 INCH ABOVE AND OUTBOARD OF STRINGER 45 CENTERLINE. THE CRACK IS BETWEEN FASTENERS BUT NOT CONNECTING THEM. REPAIRED CRACK USING APPROVED STRUCTURAL REPAIR MANUAL PROCEDMar 10, 1997 · N4718U · Boeing 747122 · Fuselage Main, Plate/SkinSDR 97UAL900205Sequence Valve · malfunctionedAFTER TAKEOFF, LEFT BODY GEAR DOOR AND LEFT WING DOOR OPEN LIGHTS ILLUMINATED. AIRCRAFT RETURNED TO FIELD. *S/D* REPLACED LBLG UPLOCK SEQUENCE VALVE, LEFT BODY GEAR DOOR SEQUENCE VALVE, AND LWG DOOR SEQUENCE VALVE. GEAR SWUNG SEVERAL TIMES, OPERATION CHECKMar 7, 1997 · N4735U · Boeing 747122 · Landing Gear Retraction/Extension SystemSDR P5CA9700377Actuator · failedRIGHT OUTBOARD AILERON INDICATES NOT MOVING WITH FLAPS DOWN, VERIFIED NO MOVING BY GROUND CREW. REMOVED AND REPLACED RIGHT OUTBOARD AILERON LOCKOUT ACTUATOR PER BOEING M/M 27-11-16, OPERATIONAL CHECK PER 27-11-16.Feb 28, 1997 · N854FT · Boeing 747122 · Aileron Control SystemSDR P5CA9700383Cowl · damagedDAMAGE ON UPPER AFT EDGE OF NR 1 ENGINE CORE COWL. REPAIRED DAMAGE PER BAC SRM 51-10-01.Feb 27, 1997 · N851FT · Boeing 747122 · Engine Cowling SystemSDR P5CA9700382Cowl · wornWORN NR 2 ENGINE INBOARD CORE COWL FORWARD CORNER. FABRICATED AND INSTALLED NEW FRAME SECTION AND SPLICE PER BAC SRM 51-10-01.Feb 27, 1997 · N851FT · Boeing 747122 · Engine Cowling SystemSDR P5CA9700381Precooler · crackedCRACK ON NR 2 ENGINE PRECOOLER. WELD REPAIR PERFORMED PER BOEING SPECIFICATION 5975.Feb 27, 1997 · N851FT · Boeing 747122 · Pneumatic Distribution SystemSDR P5CA9700363Duct · crackedCRACKED NR 3 ENGINE COMPENSATOR DUCT. REMOVED AND REPLACED DUCT PER BOEING MAINTENANCE MANUAL 36-11-16.Feb 27, 1997 · N851FT · Boeing 747122 · Pneumatic Distribution SystemSDR P5CA9700358Skin · crackedCRACK NR 4 PYLON INBOARD SIDE JUST ABOVE AFT MOUNT (HALF MOON CUTOUT) FROM SCREW HOLE. REPAIRED PER BOEING SRM 54-30-03.Feb 27, 1997 · N851FT · Boeing 747122 · Nacelle/Pylon, Plate/SkinSDR P5CA9700355Latch Pin · corrodedCORROSION ON MAIN CARGO DOOR NR 1 LATCH PIN. REPLACED PIN PER BOEING M/M 53-44-00.Feb 27, 1997 · N851FT · Boeing 747122 · Cargo/Baggage DoorsSDR P5CA9700344Cowl · bentNR 2 ENGINE INBOARD FAN COWL UPPER FORWARD CORNER BENT AND DELAMINATED. REPAIRED PER BOEING SRM 51-30-02 AND 51-10-02.Feb 27, 1997 · N851FT · Boeing 747122 · Engine Cowling SystemSDR P5CA9700343Cowl · bentNR 2 ENGINE OUTBOARD FAN COWL UPPER FORWARD CORNER BENT AND DELAMINATED. REPAIRED PER BOEING SRM 51-30-02 AND 51-10-02.Feb 27, 1997 · N851FT · Boeing 747122 · Engine Cowling SystemSDR P5CA9700342Doubler · crackedCRACK IN DOUBLER AT NR 4 LATCH NR 1 ENGINE OUTBOARD CORE COWL. REPAIRED PER BOEING SRM 51-10-01.Feb 27, 1997 · N851FT · Boeing 747122 · Engine Cowling SystemSDR P5CA9700360Skin · chafedCHAFED THROUGH SKIN ON NR 3 ENGINE INBOARD CORE COWL AFT TOP AREA IN 2 PLACES. REPAIRED PER BOEING SRM 51-40-03.Feb 26, 1997 · N851FT · Boeing 747122 · Engine Cowling SystemSDR P5CA9700356Bracket · crackedCRACKED AFT BOTTOM CORNER BRACKET. REMOVED FABRICATED AND INSTALLED NEW BRACKET PER BOEING SRM 51-10-01.Feb 26, 1997 · N851FT · Boeing 747122 · Engine Cowling SystemSDR P5CA9700338Panel · delaminatedDELAMINATED PANEL LEFT WING INBOARD TRAILING EDGE FORE FLAP. REPLACED PANEL PER BOEING SRM 51-10-01.Feb 24, 1997 · N850FT · Boeing 747122 · Trailing Edge FlapsSDR P5CA9700339Spar Web · corrodedLEVEL 1 CORROSION LEFT WING FRONT SPAR WEB BETWEEN WS 1237.05 AND 1246.35 JUST ABOVE LOWER CHORD. CORROSION REMOVED AND FOUND WITHIN LIMITS PER BOEING SRM 57-10-01.Feb 22, 1997 · N850FT · Boeing 747122 · Wing SparSDR P5CA9700337Skin · corrodedLEVEL 1 CORROSION AND NON-STANDARD REPAIRS ON LOWER WING LEADING EDGE SKIN PANEL AT WS 1437.25 AND 1453.35. REPAIRED PER BOEING SRM 57-30-30.Feb 22, 1997 · N850FT · Boeing 747122 · Wing, Plate/SkinSDR P5CA9700334Spar · corrosionLEVEL 1 CORROSION ON LEFT WING FRONT SPAR BETWEEN WS 938.45 AND 964.56 BESIDE VERTICAL STIFFENER. BLENDED CORROSION FOUND WITHIN LIMITS PER BOEING SRM 57-10-01 FIG. 1.Feb 21, 1997 · N850FT · Boeing 747122 · Wing SparSDR P5CA9700333Spar · corrodedLEVEL 1 CORROSION ON LEFT WING FRONT SPAR WEB BETWEEN WS 782.56 AND 802.5 AT THE TOP CHORD. BLENDED CORROSION FOUND WITHIN LIMITS PER BOEING SRM 57-10-01 FIG. 1.Feb 21, 1997 · N850FT · Boeing 747122 · Wing SparSDR P5CA9700332Spar · corrodedLEVEL 1 CORROSION LEFT WING FRONT SPAR MID-SECTION ON WEB BY VERTICAL STIFFENER LES 732.56. BLENDED CORROSION FOUND WITHIN LIMITS PER BOEING SRM 57-10-01 FIG. 1.Feb 21, 1997 · N850FT · Boeing 747122 · Wing SparSDR P5CA9700331Link Fitting · corrodedLEVEL 1 CORROSION RIGHT INBOARD FLAP INBOARD SPINDLE NR 5 AFT LINK FITTING BOLT HOLES CORRODED. REPAIRED PER BOEING TELEX 32-9430.Feb 21, 1997 · N850FT · Boeing 747122 · Trailing Edge FlapsSDR P5CA9700340Skin · corrodedLEVEL 1 CORROSION LEFT WING LOWER SKIN UPPER SURFACE AT WS 1357, 1373, 1385 1393 AND 1402. CORROSION REMOVED AND FOUND WITHIN LIMITS PER BOEING SRM 57-30-01.Feb 19, 1997 · N850FT · Boeing 747122 · Wing, Plate/SkinSDR P5CA9700335Skin · corrodedLEVEL 1 CORROSION ON LEFT WING UPPER SKIN BELOW FIBERGLASS STRIP BETWEEN LEADING EDGE STRUCTURE AND SKIN IN THE FOLLOWING AREAS, BETWEEN WS 1246.35 AND 1267.65, OUTBOARD OF WS 1293.15, BETWEEN 1318.65 AND 1339.75, AND BETWEEN WS 1349.29 AND 1365.25. BLENDED CFeb 18, 1997 · N850FT · Boeing 747122 · Wing, Plate/SkinSDR P5CA9700329Fairing Frame · corrodedLEVEL 2 CORROSION, ON AFT BELLY FAIRING FRAME AT CENTER LINE JUST AFT OF KEEL BEAM AT BS 1480. FAIRING FRAME REMOVED, MANUFACTURED AND REINSTALLED AS PER SAMPLE BOEING SRM 53-50-04.Feb 17, 1997 · N850FT · Boeing 747122 · Fuselage Miscellaneous StructureSDR P5CA9700429Skin · damagedAT FS 2412, FORWARD OF STABILIZER JACK SCREW ACCESS DOOR, SKIN DISPLAYS EVIDENCE OF BULGING AROUND FASTENER HEADS. FUSELAGE SKIN EXTERNAL REPAIR DONE IAW BOEING SRM 53-30-03.Feb 15, 1997 · N850FT · Boeing 747122 · Fuselage Main, Plate/SkinSDR P5CA9700330Intercostal · corrodedLEVEL 1 CORROSION FOUND ON INTERCOSTAL AT BS 510 LBL 30 ON UPPER CHORD. REMOVED CORROSION WITHIN LIMITS PER BOEING SRM 51-10-01.Feb 15, 1997 · N850FT · Boeing 747122 · Fuselage Miscellaneous StructureSDR P5CA9700341Skin · corrodedLEVEL 1 CORROSION ON RIGHT WING UPPER SKIN OUTBOARD OF INBOARD FIXED TRAILING EDGE PANEL AT PREVIOUSLY BLENDED OUT AREA. BLENDED OUT PER BOEING SRM 51-10-01 WITHIN LIMITS.Feb 14, 1997 · N850FT · Boeing 747122 · Wing, Plate/SkinSDR P5CA9700327Skin · corrodedLEVEL 1 CORROSION RIGHT WING UPPER SKIN OUTBOARD OF INBOARD FIXED TRAILING EDGE PANEL. BLENDED OUT CORROSION PER BOEING SRM 51-10-01.Feb 14, 1997 · N850FT · Boeing 747122 · Wing, Plate/SkinSDR P5CA9700396Keel Beam · corrodedLEVEL 1 CORROSION FOUND ON KEEL BEAM AREA BETWEEN STA 1241 TO STA 1480, 4 LOCATIONS. STA 1270 LT, STA 1340, STA 1420 AND STA 1440. AREAS BLENDED, CLEANED, ALODINED AND PRIMERED. FOUND WITHIN LIMITS AS PER BOEING SRM 53-10-01.Feb 13, 1997 · N850FT · Boeing 747122 · Fuselage Main, KeelSDR P5CA9700326Keel Beam · corrodedLEVEL 1 CORROSION, ON KEEL BEAM BS 1241 TO 1480, 4 LOCATIONS. BLENDED AREAS FOUND WITHIN LIMITS AND RETREATED PER BOEING SRM 51-10-01 AND 51-10-02.Feb 13, 1997 · N850FT · Boeing 747122 · Fuselage Main, KeelSDR P5CA9700325Intercostal · corrodedLEVEL 2 CORROSION, LATERAL INTERCOSTAL BEAM BS 1468 KEEL BEAM AREA. REPLACED PART PER BOEING SRM 51-30-02.Feb 13, 1997 · N850FT · Boeing 747122 · Fuselage Miscellaneous StructureSDR P5CA9700324Bracket · corrodedLEVEL 2 CORROSION, HINGE BRACKET BS 1320 KEEL BEAM AREA RIGHT SIDE. REPLACED HINGE BRACKET PER BOEING SRM 53-10-22 FIG 17.Feb 13, 1997 · N850FT · Boeing 747122 · Fuselage Miscellaneous StructureSDR P5CA9700336Skin · corrodedLEVEL 1 CORROSION ON RIGHT WING LOWER SKIN JUST FORWARD OF FRONT SPAR AT WING WS 1312, 1556, 1440 AND 1504. BLENDED CORROSION FOUND WITHIN LIMITS PER BOEING SRM 57-30-01 FIG. 2.Feb 12, 1997 · N850FT · Boeing 747122 · Wing, Plate/SkinSDR P5CA9700328Skin · corrodedLEVEL 1 CORROSION, RIGHT INBOARD TRAILING EDGE FLAP FOREFLAP LOWER SURFACE. BLENDED OUT CORROSION AND REPAIRED DELAMINATED AREAS PER BOEING SRM 51-40-09.Feb 12, 1997 · N850FT · Boeing 747122 · Trailing Edge Flaps
Back to Boeing 747-122