Boeing 747-446
Service difficulty reports · 932
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 = '747446' 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.
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 = '747446' ORDER BY difficulty_date DESC
Run it at the DuckDB prompt, or in any tool that reads Parquet over HTTPS. More ways to query the release are on Use the data.
SDR 9WGA2026101234402Hmu · faultedLOG PAGE 251714, ITEM 1, ENGINE #4 LOST THRUST IN CRUISE N1, 32% FUEL FLOW 0.3 ALL ENGINE INDICATIONS WERE NORMAL IN DESCENT AT LOW ENGINE POWER EICAS ENGINE FAIL MSG SHOWED WITH OIL PRESS GETTING LOW PROPTING PRECAUTIONARY SHUTDOWN, AFTER ARRIVAL TO ANC, MAINSDR KCSA202610071224Power Supply · inoperativeL/H UPPER DECK SLIDE DOOR EMERGENCY LIGHT INOPSDR KCSA202610071223Light · inoperativeCENTER AFT EMERGENCY LIGHT BY GALLEY IS INOP.SDR KCSA2026082348Pcb · unserviceableFIRE WARNING BELL AND MASTER WARNING DURING CLIMB OUT. NO FIRE LIGHTS OR EICAS. REMOVED AND REPLACED 1AD04 CARGO FIRE AFT DIODE CIRCUIT CARD ASSY IAW KA AMM 26-10-01. PERFORMED OPS TEST IAW KA B747-400 AMM 26-16-10. OPS TEST GOOD. NO DEFECTS NOTED.SDR U2RA2026071400036Indicator · no discrepancyAIRSPEED UNRELIABLE. PERFORM OPS TEST IAW AIRCRAFT MAINTENANCE MANUAL 34-12-00. NO FAULTS NOTED. AIRCRAFT EXPERIENCED AN EQUIPMENT COOLING FAILURE PRIOR TO THE AIRSPEED BECOMING UNRELIABLE.SDR KCSA202607021099Floor Support · crackedMAIN DECK FLOOR SUPPORT LOWER CHORD AT STA 1220 RBL 98 IS CRACKEDSDR KCSA202607021098Power Supply · no testEMERGENCY LIGHT OVER L1 FAILED LIGHT TESTSDR KCSA202607021097Shear Web · crackedMAIN DECK FLOOR STATION 140-160 LBL 40 SHEAR WEB CRACKED MULTIPLE LOCATIONSSDR KCSA202607021096Slide · unwanted deployDURING TROUBLESHOOTING OF ARM/ DISARM HANDLE OF L/H UPPER DECK DOOR , THE EMERGENCY ESCAPE SLIDE WAS UNINTENTIONALLY DEPLOYED AND REQUIRES REPLACEMENTSDR KCSA202607021095Skin · corrodedMAIN DECK CENTER FUEL TANK UPPER SKIN CORROSION STA 1050 LBL 80-100SDR KCSA202607021094Skin · corrodedEVIDENCE OF CORROSION FOUND ON CENTER TANK UPPER SKIN AT STA 1150 RBL 110SDR KCSA202607021093Skin · corrodedEVIDENCE OF CORROSION FOUND ON CENTER TANK UPPER FWD SKIN SECTION AT BS 1139, RBL 100.SDR KCSA202607021092Skin · corrodedEVIDENCE OF CORROSION FOUND ON CENTER TANK UPPER SKIN AT STA 1140 RBL 100SDR KCSA202607021091Skin · corrodedEVIDENCE OF CORROSION FOUND ON CENTER TANK UPPER SKIN FWD OF TENSION FITTING AT STA 1180 RBL 98SDR KCSA202607021090Stiffener · damagedL/H WING T/E STIFFENER ON AFT SIDE OF AFT SPAR AT WBL 1150 DAMAGED.SDR KCSA202607021089Frame · crackedNOSE RADOME O/B RING ANGLE CRACKED AT APPROX 11 O'CLOCK POSITIONSDR KCSA202607021088Floor Support · crackedFLIGHT DECK R/H UPPER SILL OUTER CHORD CRACKED AT STA 315 JUST ABOVE R2 WINDOWSDR KCSA202607021087Shear Web · crackedMAIN DECK FLOOR BS 160-180 LBL 48, SHEAR WEB CRACKED.SDR KCSA202607021086Shear Web · crackedMAIN DECK FLOOR STA 140-160 RBL 40, SHEAR WEB CRACKED MULTIPLE LOCATIONSSDR KCSA202607021085Angle · crackedMAIN DECK AT STA 2360 LBL 33 JUST BELOW FLOOR LEVEL ANGLE SUPPORT CRACKED.SDR KCSA202607021084Angle · crackedMAIN DECK AT BS 2360, RBL 33 JUST BELOW FLOOR LEVEL ANGLE SUPPORT CRACKED.SDR KCSA202607021083Depressor · crackedRT UPPER DECK DOOR FWD UPPER CORNER SEAL DEPOESSOR CRACKEDSDR KCSA202607021082Floorbeam · crackedCRACK FOUND ON MAIN DECK FLOORBEAM CLIP AT STA 280 LBL 6.SDR KCSA202607021081Depressor · crackedLEFT UPPER DECK DOOR AFT UPPER CORNER SEAL DEPRESSOR CRACKEDSDR KCSA202607021080Shear Tie · crackedCRACK FOUND IN BS 1000 FRONT SPAR SHEAR TIE AT RBL 33.99SDR U2RA2026061900030Slide · deployedLEFT UPPER DECK DOOR SLIDE DID NOT FULLY DEPLOY WHEN INADVERTANTLY ACTIVATED. REPLACED DOOR SLIDE ASSEMBLY PER AIRCRAFT MAINTENANCE MANUAL 25-68-01.SDR KCSA2026052229Switch · faultedSTAB TRIM 2, STAB TRIM 3, EMERGENCY DECLARED FOR STAB TRIM 2 & 3. REMOVED AND REPLACED CAPTAINS STAB MANUAL TRIM CTRL WHEEL SWITCH IAW AMM 27-41-11 AND WDM 27-41-11. OPS CHECKS GOOD. AUTOLAND UNIQUE GROUND TEST PASSED IAW AMM 22-10-00. THIS A/C REMAINS CAT ISDR 9WGA2026052134401Buss Protection · faultyAFTER TAKE-OFF FROM NRT, INDICATION, AC BUS 1 FAIL, RETURNED TO NRT, MAINTENANCE PERFORMED PER FIM 24-23 TASK 812, REMOVED AND REPLACED BCU, TESTED EPGS (GCU1) AND EPGS 2 (GCU2) GROUND TEST COMPLIED WITH, TEST PASSED.SDR KCSA2026042123Battery Pack · discharged100320914: RIGHT SIDE UPPER DECK DOOR EMERGENCY OPENING SYS BATTERY PACK DEAD A/T: ITEM TRANSFERRED TO DMI #100320914 CAT C DUE 5/1/26 M PROCEDURE COMPLIED WITH IAW B747 MEL 52-23-1-3A PLACARDS INSTALLED. REF DMI #100320914 RH UPPER DECK DOOR BATT PACK INOP. SDR U2RA202603090001Hydraulic Line · crackedAPPROXIMATELY 30 MINUTES AFTER TOP OF CLIMB, CRUSING AT FLIGHT LEVEL 34,000, EICAS MESSAGE "HYD QTY LOW 1" QUANTITY OBSERVED DECREASING REPIDLY ON HYD SYNOPTIC PAGE. SHORTLY AFTER, QUANTITY AT 0.00. EICAS "HYD PRESS SYS 1". NON NORMAL CHECKLIST ACTIONED. - RSDR U2RA2026022400031Warning Message · false activationDURING TAXI, EICAS MESSAGE FIRE APU - APU FIRE BOTTLE DISCHARGED. - UPON INSPECTION, NO EVIDENCE OF FIRE. APU PLACED ON A DEFERRED MAINTENANCE ITEM PER MINIMUM EQUIPMENT LIST 49-11-01-01.SDR KCSA202604041028Battery Pack · no testRIGHT UPPER DECK ESCAPE DOOR BATTERY PACK FAIL PUSH TO TEST LIGHT DURING A/C START UPSDR KCSA202512051228Battery Pack · weakCENTER EMERGENCY LIGHTS ON UPPER DECK DO NOT STAY ILLUMINATED.SDR KCSA2025102269Door · no discrepancyDOOR U/D FLT LK. PERFORMED OPERATIONAL TEST IAW B747-400 AMM CHP 52-23-00. COULD NOT DUPLICATE SYS OPS CHECKS NORMAL.SDR 9WGA2025102134401Circuit Card · dirtyCONTINOUS MASTER WARNING FIRE MAIN DECK FWD INFLIGHT, TROUBLESHOT PER FIM 26-16, TASK 864, CLEAN CIRCUIT CARD PER AMM 26-10-01, FIRE SYSTEM TEST, AMM 26-11-00, PASS NO FAULTS.SDR KCSA2025101956Lock · warning messageDOOR UPPER DECK FLIGHT LOCK MESSAGE. BOTH DOORS FLIGHT LOCK ACTUATORS OPERATIONAL CHECKS NORMAL IAW B747-400 AMM 52-23-00.SDR KCSA2025101855Lock · faultedDOOR UPPER DECK FLIGHT LOCK. PERFORMED BOTH SIDE FLIGHT LOCK ACTUATOR OPERATIONS CHECK. ALL WORKING GOOD AND BOTH SIDE SWITCH ARE WORKING GOOD. NO FAULT FOUND IAW B747-400 AMM 52-23-00SDR KCSA2025101252Lock · inoperativeDOOR UPPER DECK FLIGHT LOCK. TROUBLESHOT PER FIM 52-71 TASK 823. PERFORMED OPERATIONS TEST IAW AMM 52-23-00. ALL CHECKS GOOD AT THIS TIME.SDR U2RA2025110300024Skin · damagedAIRCRAFT SUSTAINED GROUND DAMAGE TO THE LOWER FUSELAGE SKIN, FORWARD OF THE FORWARD LOWER CARGO DOOR, STA 539.125, BETWEEN STRINGERS S-33R AND S-34R, MEASURING 3.875" LONG AND STA 574.750 BETWEEN STRINGERS S-33R AND S-34R MEASURING 4.875" LONG - ACCOMPLISHED CSDR KCSA20251003950Actuator · failed100272867: RIGHT WING GEAR FAILED TO EXTEND WITH ALTERNATE GEAR EXTENSION, DECLARED EMERGENCY. REMOVED AND REPLACED WING GEAR ALTERNATE ELECTRIC ACTUATOR. OPERATIONAL CHECK GOOD. NO DEFECTS NOTED. NO FURTHER ACTION REQUIRED AT THIS TIME (JACKED AIRCRAFT PERFSDR KCSA2025100192950Landing Gear · no deployRIGHT WING GEAR FAILED TO EXTEND WITH ALTERNATE GEAR EXTENSION, DECLARED EMERGENCY.SDR KCSA2025092549Actuator · unserviceableDOOR UPPER DECK FLIGHT LOCK CAUTION MESSAGE. TRANSFERRED TO DMI LIST NUMBER 100272910 IAW KA B747-400 MEL 52-23-3-2. CAT C. DUE 10-5-25. PLACARDS INSTALLED. : REFERENCE DMI 100272910. REMOVED AND REPLACED RIGHT HAND UPPER DECK DOOR LOCK ACTUATOR IAW KA B7SDR KCSA2025092548Warning Light · false activationDOOR UPPER DECK FLIGHT LOCK CAUTION MESSAGE. PERFORMED FLIGHT LOCK ACTUATOR OPS TEST IAW AMM 52-23-00. OPS TESTED GOOD. NO DEFECTS NOTED.SDR KCSA2025092547Warning Message · false activationDOOR UPPER DECK FLIGHT LOCK CAUTION MESSAGE. PERFORMED FLIGHT LOCK ACTUATOR OPERATIONAL TEST IAW AMM 52-23-00. OPERATIONAL TEST GOOD. NO DEFECTS NOTED.SDR KCSA202509171161Stiffener · crackedAILERON CAVITY I/B STRUCTURE 20 IN. FWD OF HINGE POINT VERTICAL STIFFENER CRACKED AT LOWER EDGESDR KCSA202509161160Bulkhead · cracked1 FASTENER HOLE NOTED ON LOWER R/H STA 2598 BULKHEAD AFT INNER CHORD HAS CRACK INDICATIONSDR KCSA202509161159Beam · corrodedLH WING TE FIXED TRAILING EDGE BEAM UPPER CHORD @ APPROX WBL 340 CORRODEDSDR KCSA202509161158Tension Tie · crackedFOUND CRACK INDICATION IN FRAME AT TENSION TIE STA 1140 L/HSDR KCSA202509131157Reveal · crackedFOUND DOOR REVEAL TO BE CRACKED AS MARKED AT R2 DOOR BETWEEN STR 25 AND 24SDR KCSA202509121156Reveal · crackedCRACK FOUND IN L-5 DOOR REVEAL AT PRESS TO RELEASE LEVER NEAR STA 2231
Back to Boeing 747-446