JASC 2421

Service difficulty reports · 4,277

Reports filed under 2421 · AC Generator-Alternator, newest first.

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 jasc_code = '2421'
  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 SWIA2025011700010Idg · power lossIDG1 CAUTION MESSAGE RAN QRH. DISCONNECTED PER QRH. AFTER IDG DISCONNECTED GEN 2 WENT OFFLINE. (FLIGHT 4651 - FILED CLOSED) PLEASE REFERENCE AML 1511384. ALL WORK ACCOMPLISHED. REVIEW AMLS. R&R IDG 2, #1 AND #2 GCU. R&R FILTERS ON #1 IDG. ALL OPS AND Jan 10, 2025 · N464SW · Cndair CL6002B19SDR AALA202501091528Generator · faultedAIRCRAFT WAS GROUNDED: AFTER NUMBER 1 ENGINE START THE NUMBER 1 ENGINE GENERATOR DROPPED OFF AFTER A COUPLE MINUTES WITH ASSOCIATED ELECTRICAL BURNT SMELL. (OPEN).Jan 8, 2025 · N918NN · Boeing 737823SDR A6WA202501038850Idg · faultedDURING CRUISE AT 30,000FT FOR FLIGHT 6024 CAE-ORD, THE FLIGHT CREW REPORTED A LOSS OF ELECTRICAL POWER. THE FLIGHT CREW DECLARED AN EMERGENCY AND IS RETURNING TO CAE. THIS FLIGHT IS STILL ENROUTE. SHORTLY AFTER LEVEL OFF AT CRUSE RECEIVED GEN 2 FAIL AND AC 2 AJan 3, 2025 · N470ZW · Cndair CL6002B19SDR CALA2024122701669Idg · faultyR GEN DRIVE EICAS LITE COMPLETED REMOVAL OF RH IDG IRT AMM 24-11-01-004-002-006. ALL UNIONS AND PARTS ARE LOCATED ON WORK TABLE NEXT TO ENGINE. ORDERED NEW O RINGS WAITING FOR THEM TO BE DELIVERED. START INSTALLATION OF R/H IDG REF AMM 24-11-01-404-001-006 UPDec 25, 2024 · N658UA · Boeing 767322SDR CALA2024122601663Idg · faultedRIGHT ENGINE DRIVE LIGHT ILLUMINATED ON TAKEOFF ROLL/ RTO WAS IN ITIATED RIGHT ENGINE IDG COMPLETELY OUT OF OIL UPON RETURNING TO GATE, WITH OIL DRIPPING FROM #2 ENGINE. CREW REPORTED IDG WAS NEVER DISCONNECTED, THEY SHUT DOWN NUMBER TWO ENGINE INSTEAD. IDG WADec 25, 2024 · N28478 · Boeing 737924ERSDR DALA2024121911830Idg · failedSHIP 9579 -MISC/DE- THE FLIGHT CREW DECLARED AN EMERGENCY WITH ATC FOLLOWING THE "LEFT GENERATOR FAIL" MESSAGE DURING APPROACH INTO PHL. THE APU WAS ALREADY ON MEL. CORRECTIVE ACTION: MAINTENANCE REPLACED THE LEFT IDG, PERFORMED ALL OPERATIONAL CHECKS, AND RETDec 19, 2024 · N919AT · Boeing 717200SDR CALA2024122301626Idg · faultedR GEN DRIVE EICAS C THE RIGHT GENERATOR DRIVE HAS LOW OIL PRESSURE OR HIGH OIL TEMPE RATURE WITH THE ENGINE IN OPERATION. NOTE: ELEC AUTO EVENT RIGHT GEN DRIVE EICAS AND LIGHT. ACCOMPLISHED CHECK LIST AND DI SCONNECTEDUPON INVESTIGATION LOW OIL QUANTITY FOUNDDec 18, 2024 · N76064 · Boeing 767424ERSDR CALA2024121701545Idg · faultedR GEN OFF EICASTALKED WITH CREW UPON ARRIVAL. THEY SAID THEY LOST AFT GALLEY POWER AND AFT LAV STOPPED WORKING. THEY THEN GOT THE R GEN CONT OFF LIGHT, THEN THEY GOT THE R GEN DRIVE LIGHT ALONG WITH THE R CTR FUEL PUMP OFF LIGHT ON. THEY DID NOT DISCONNECT THEDec 16, 2024 · N57862 · Boeing 75733NSDR QR9R2024121600001Transformer · split#1 GEN AMP SPLIT GREATER THAN 10 AMPS BELOW THE #2 GEN DURING START RUN-UP. REMOVED AND REPLACED #1 TRANSFORMATOR IAW AMM 24-30-00, 4-6. MOC SUCCESSFULLY COMPLETED.Dec 16, 2024 · Bolkms BK117C2SDR 7C7A1900010000011Generator · faultedRIGHT GEN CONT OFF ILLUMINATED ON TAKEOFFDec 11, 2024 · N628NP · Boeing 7572B7SDR QXEA2024120900310Gcu · malfunctionedFLIGHT 2314. AFTER POWER WAS LOST FLIGHTCREW AND FLIGHT ATTENDANTS NOTICED MILD TO MODERATE SMELL OF AN ELECTRICAL ODOR THAT PERSISTED IN CABIN & FLIGHTDECK. REMOVED FROM SERVICE. NOTES FROM SMOKE/CONTAMINATION CHECKLIST (M-744). MILD INTENSTIY ELECTRICAL SMELDec 8, 2024 · N627QX · Emb ERJ170200LRSDR DALA2024120911542Control Unit · faultedSHIP 9536 -MISC/DE- FLIGHT CREW NOTED THE "LEFT GENERATOR OFF" MESSAGE WITH A POSSIBLE ELECTRICAL SMELL IN THE CABIN. THE PILOT DECLARED AN EMERGENCY WITH ATC AND WAS MET BY ARFF AFTER A NORMAL SAFE LANDING. CORRECTIVE ACTION: MAINTENANCE REPLACED THE EPCU, L Dec 5, 2024 · N974AT · Boeing 717200SDR DALA2024120611506Generator · faultedSHIP 5648 -DIV/DE- TO SDF DUE TO LT GEN FAIL WITH APU ON MEL. CORRECTIVE ACTION: R/R #1 IDG.Dec 5, 2024 · N548US · Boeing 757251SDR IPXA2024120432892Idg · failedATB L GEN OFF DURING TAKEOFF ROLL. RAN CHECKLIST, RESULTED IN MOMENTARY GEN OPERATION BEFORE FAILING AGAIN. ATB REPLACED JAW AMM 24-22-02 PB 401 SATISDec 4, 2024 · N393UP · Boeing 767316SDR YENA2024120401527Gcu · abnormalFLT#506, BNA-BOS. (AIRCRAFT DIVERTED TO BWI AND DECLARED AN EMERGENCY) 'AT 35000 FT ELECTRICAL FAILURE (AC POWER LOST "KIND OF"). RAT FAIL. APU START BELOW 30000 NO HELP. QRH AC BUS 1 OFF NO CHANGE; REF LOG 3989640-1 (REMOVED AND REPLACED GLC #1 FOR ASSURANCE Nov 30, 2024 · N317JB · Emb ERJ190100IGWSDR CALA2024112501279Idg · faultedELEC GEN SYS L EICAS STATUS IDG HAS DISCONNECTED OR A PROTECTIVE TRIP OF THE GENERATOR CONTR OL BREAKER HAS OCCURRED OR A PROTECTIVE TRIP OF THE BTB HAS OCCU RRED. FIM TASK REF : FIM TASK REFERENCE NOT FOUND CMC MSG# 2431661 FLIGHT STATUS: L INTERMITTENCE CODNov 22, 2024 · N77012 · Boeing 777224SDR CALA2024112501278Generator · inoperativeON TAKEOFF ROLL.... RT BACKUP GEN OFF 20KIAS AT REJECT NO EXISTING FAULTS ARE DISPLAYED ON THE MAT, NO PRESSENT LEG FAULT MESSAGES ARE DISPLAYED. STATUS MSG CLEARED. REQUEST MEL. OK TO DEFER BACKUP ELECTRICAL POWER SYSTEM INOP. COMPLIED WITH THE MEL.Nov 21, 2024 · N768UA · Boeing 777222SDR ABXA20241121231Warning Message · illuminatedAFTER BLOCK/AFTER R ENGINE STARTED R GEN DRIVE EICAS AND R GEN OFF EICAS MESSAGES AC RETURNED TO GATE (BTB) AND MTX GROUNDED AC . MTX DEFERRED RH GEN IAW MEL ABX-24-00-1-1.FOR DEPARTURE AND RETURNED AC TO SERVICE .Nov 21, 2024 · N750AX · Boeing 767232SDR DALA2024111911046Generator · odorSHIP 3129 SMELLED FUMES IN THE COCKPIT AND REPORTED FUEL SMELL IN ROW 21. CORRECTIVE ACTION: REMOVED AND REPLACED APU GEN REF A319 AMM 24-23. (6635992)Nov 16, 2024 · N329NB · Airbus A319114SDR NACA2024111500001Coupling · damagedAT CRUISE FLIGHT L GEN OFF EICAS MESSAGE. PERFORMED QRH, CONTINUED TO DESTINATION. REMOVED AND REPLACED OVERFLOW DRAIN COUPLING, OPS AND LEAK CHECK OK IAW AMM 24-11-00. HOURS INFORMATION PENDING.Nov 15, 2024 · N566NC · Boeing 7673BGSDR QR9R2024111200002Transformer · splitDURING RUN-UP, #1 GEN WAS 15 AMPS LOWER THAN #2 GEN. REMOVED AND REPLACED #1 CURRENT TRANSFORMATOR IAW AMM 24-30-00, 4-6. OPERATIONAL CHECK GOOD.Nov 12, 2024 · Bolkms BK117C2SDR DALA2024111210880Generator · odorSHIP 3141 AFTER APU STARTED AS SOON AS BLEED AIR PB ON CREW NOTICED ELECTRICAL SMELL. CORRECTIVE ACTION: R/R APU GENERATOR PER A319 AMM 24-23. (6561654)Nov 11, 2024 · N341NB · Airbus A319114SDR 2024F00279Oil Cooler · failedGEN#1 LOW OIL PRESS ILLUMINATED, LOW OIL ALSO ON VOLTIMETER. GEN WAS DISCONNECTED. APU DID NOT START AFTER 3 ATTEMPTS. CORRECTIVE ACTION: WAS REPLACED THE FILTER ELEMENT OF THE LUVE ALL FILTER FOR THE GENERATOR DRIVE OIL COOLER. WAS REPLACED IGNITION UNIT ANov 10, 2024 · Boeing 73733ASDR ABXA2024118219Generator · warning lightLH GEN DRIVE LIGHT ON PUSHBACK FOLLOWED QRH PROCRDURES AC RETURNED TO THE GATE AND MTX GROUNDED AC , MTX DEFERRED GEN FOR DEPARTURE AND RETURNED AC TO SERVICE .Nov 8, 2024 · N1489A · Boeing 76731KSDR 2024FA0000814Alternator · defectiveAT THE END OF A FLIGHT TOTALING 2.5 HOURS THE AMMETER INDICATED A DISCHARGE AND LOW VOLTAGE WARNING LIGHT ILLUMINATED. I WAS ALMOST OVERHEAD MY POINT OF INTENDED LANDING, SO I COMPLETED THE LANDING AND LEFT THE AIRPLANE AT THE AIRPORT FOR THE LOCAL SHOP TO DIANov 4, 2024 · N28021 · Blanca 1730ASDR CALA2024110102766Gcu · inoperativeRIGHT STANBY BUS EICAS AND MULTIPLE OTHER EICAS MESSAGES REPLACED RIGHT GCU PRECAUTINARY AMM 24-22-02-400-801 PARTS USED: 25-2422-9-0002,QTY :1 ROTABLE PARTS CHANGE WAS INDICATED - TT # 1835834 SN OFF 0719 UNIT, GENERATOR OFF 25-2422-9-0002 0719 ON 27-2421Oct 29, 2024 · N777UA · Boeing 777222SDR CALA2024103000963Gcu · faultyRIGHT STANBY BUS EICAS AND MULTIPLE OTHER EICAS MESSAGES REPLACED RIGHT GCU PRECAUTINARY AMM 24-22-02-400-801.PARTS USED: 25-2422-9-0002,QTY :1 ROTABLE PARTS CHANGE WAS INDICATED - TT # 1835834 SN OFF 0719 UNIT, GENERATOR OFF 25-2422-9-0002 0719 ON 27-2421-Oct 28, 2024 · N777UA · Boeing 777222SDR 2024FA0000829Idg · oil consumptionON OCTOBER 26TH, 2024 DURING THE TAKE-OFF ROLL IT WAS NECESSARY TO PERFORM MANEUVERS OF REJECTED TAKEOFF AT 80 KNOTS DUE TO INTEGRATED DRIVE GENERATOR (IDG) FAILURES; THE AIRCRAFT RETURN TO THE RAMP AND THE MAINTENANCE COMPLETED AND INSPECTION OF THE IDG; IT WOct 26, 2024 · N536LA · Boeing 767316SDR NACA2024102500001Warning Message · illuminatedL GEN DRIVE EICAS MSG. ACCOMPLISHED FIM 24-20-FT 801 SERVICED IDG PER AMM 12-13-03. CHECKED L IDG WIRING CONNECTORS D10964 AND D10965 NO DISCREPANCIES NOTED PER FIM 24-20-001201 TASK 804. PERFORMED L IDG IDLE RUN, L IDG GENERATION NORMAL PER AMM 71-00-00.Oct 25, 2024 · N566NC · Boeing 7673BGSDR DALA2024101710172Idg · faultySHIP 3268 - ATO - AT 60 KNOTS DUE TO ELEC IDG 2 OIL LO PR ECAM MESSAGE. CORRECTIVE ACTION: MAINTENANCE STILL IN PROGRESS. (LP: 6639004)Oct 15, 2024 · N368NW · Airbus A320212SDR QR9R2024101500001Transformer · erraticDURING START RUN-UP, #1 GENERATOR READING 10 WHILE GEN #2 WAS READING 40. REMOVED AND REPLACED #1 GENERATOR CURRENT TRANSFORMER PER AMM 24-30-00, 4-6.Oct 15, 2024 · Bolkms BK117C2SDR AALA202410169331Generator · failedAIRCRAFT WAS GROUNDED: AFTER BOARDING WHILE ON APU POWER THE APU GENERATOR KICKED OFF AND ENTIRE PLANE HAD OVERWHELMING SMOKE ODOR SMELL. **SUPPLEMENTAL REPORT FOR (AALA202410159331): REMOVED AND REPLACED APU GENERATOR. OPERTIONAL AND LEAK CHECK GOOD. PER AMM Oct 14, 2024 · N961NN · Boeing 737823SDR AALA202410159331Generator · disengagedAIRCRAFT WAS GROUNDED: AFTER BOARDING WHILE ON APU POWER THE APU GENERATOR KICKED OFF AND ENTIRE PLANE HAD OVERWHELMING SMOKE ODOR SMELL. **SUPPLEMENTAL REPORT WILL BE SUBMITTED**(OPEN).Oct 14, 2024 · N961NN · Boeing 737823SDR QR9R2024100800008Generator · fluctuatesDURING RUN-UP, GEN AMP DIFFERENCE GREATER THAN 10 AMPS. AT ONE POINT THE #1 GEN HAD +5 AMP WHILE THE #2 GEN HAD +40 AMP. REMOVED AND REPLACED #1 GENERATOR CURRENT TRANSFORMER IAW AMM 24-30-00, 4-6. T/F MOC COMPLETED IAW MSM 05-60-00, 6-12.Oct 8, 2024 · Bolkms BK117C2SDR NACA2024100700002Idg · disengaged#2 ENG IDG DISCONNECTED, KORRY SWITCH LIGHT INOP/R GENERATOR DRIVE LIGHT INOP. REMOVED AND REPLACED RH INTEGRATED DRIVE GENERATOR PER B767 AMM 24-11-01 OPS CHECK GOOD.Oct 7, 2024 · N379CX · Boeing 767323SDR YENA2024101001339Warning Message · false activationFLT#223, JFK-LAX. (ETOPS) 'AC GEN CLASS II MX MSG ( CLASS II MX MSG - GPCU OR AC GEN ); CHECKED PER TSM 24-22-00-810-832-A. NO FAULTS ON EPGS BITE PER MM 24-41-00. MDDR 562306 CLEARED.Oct 7, 2024 · N2169J · Airbus A321271NSDR AALA202410084244Idg · faultedAIRCRAFT WAS GROUNDED: AN EMERGENCY WAS DECLARED AND THE AIRCRAFT DIVERTED TO CLE. WITH THE APU INOPERATIVE, ENGINE 1 GENERATOT FAULT ECAM MESSAGE DISPLAYED AT CRUISE. FLIGHT CREW ACCOMPLISHED ECAM PROCEDURES TO RESET THE GENERATOR BUT IT DID NOT RESET SO THE Oct 7, 2024 · N776XF · Airbus A319112SDR SWAA2024100745504Idg · overserviced#2 GEN DRIVE LIGHT ILLUMINATED IN FLIGHT IDG OIL SMELLS BURNT - WAS OVERSERVICED<[01] OK TO CONTINUE PER MEL 24-11-01 SP1;[02] R&R #2 IDG REF AMM 24-11-11. OPS CHECCK GOOD.Oct 4, 2024 · N8849Q · Boeing 7378SDR YENA2024100401329Gcu · failedFLT#34, CDG-BOS. (ETOPS) 'T/S CFDS MSG: IDG 2 OIL LEVEL SENSOR / GCU 2; ACCOMPLISHED TSM TASK 24-22-00-810-832-A REMOVED AND REPLACED GCU #2 REF AMM 24-22-34 FAULT REMOVED OPS CHECK GOOD GROUND VERIFICATION OF ETOPS SIGNIFICANT SYSTEM ACCOMPLISHED VIA ENGINE #Oct 3, 2024 · N4077J · Airbus A321271NSDR QR9R2024100100001Transformer · erratic#2 GENERATOR AMPS ERRATIC INDICATION, GOES FROM +35 TO -220. REMOVED AND REPLACED #2 TRANSFORMATOR IAW AMM 24-30-00, 4-6. MOC SUCCESSFULLY COMPLETED.Oct 1, 2024 · Bolkms BK117C2SDR CALA2024100300743Idg · faultedOIL QTY DROPPED TO 1 ENROUTE FOUND OIL LEAK FROMRH BUG CASE DRAIN AND RH BUG AGB PAD DRAIN LINE. REPLACED RH BUG AND ACCESAAORY GEARBOX SEALOL FACE SEAL AND PERFORMED HI POWER ENG RUN. NO LEAK FOUND. REF AMM 24-25-01 ,72-64-01.PARTS USED: 78-7921-3-0027,QTY Sep 30, 2024 · N2251U · Boeing 777300ERSDR AALA202410036006Idg · overheatedAIRCRAFT WAS NOT GROUNDED: AN EMERGENCY WAS DECLARED AND THE AIRCRAFT RETURNED TO LAS DUE TO AN ELECTRICAL IDG #2 OVERHEAT MESSAGE IN FLIGHT. FLIGHT CREW ACCOMPLISHED ECAM PROCEDURES AND LANDED SAFELY AT LAS WITHOUT FURTHER INCIDENT. MAINTENANCE REPLACED THE #Sep 29, 2024 · N152AA · Airbus A321231SDR AALA202409306006Oil Cooler · overheatedAIRCRAFT WAS NOT GROUNDED: AN EMERGENCY WAS DECLARED AND THE AIRCRAFT RETURNED TO LAS DUE TO AN ELECTRICAL IDG #2 OVERHEAT MESSAGE IN FLIGHT. FLIGHT CREW ACCOMPLISHED ECAM PROCEDURES AND LANDED SAFELY AT LAS WITHOUT FURTHER INCIDENT. MAINTENANCE REPLACED THE Sep 29, 2024 · N152AA · Airbus A321231SDR HALA20240926170Idg · warning messageETOPS - IDG #1 OIL LO ALERT ECAM ACTION PERFORMED. REMOVED AND REPLACED IDG LH. IAW TASK 24-21-51-000-804-A AND SERVICE IDG TASK 12-13-24-612-808A. OPS AND LEAK CHECK GOOD.Sep 25, 2024 · N360HA · Airbus A330243SDR YENA2024092601305Idg · failedFLT#2201, JFK - FLL (AIRCRAFT PERFORMED AN AIR TURN BACK TO JFK) 'DURING CLIMB PHASE AT 30500 FT LOST GEN# 01 AND FAC #01; REMOVED AND REPLACED NO 1 IDG IAW AMM 24-21-51-410-010. ALL OPS CHECK OK & LEAK CHECK OK AT THIS TIME. A/C OK FOR CONT SVC.'Sep 23, 2024 · N645JB · Airbus A320232SDR FDEA202409231336Fitting · failedRTO AT 75 KNOTS FOR GENERATOR 1 FAILURE ON ROLL AT KGTF. TAXI BACK TO RAMP FOR MAINTENANCE. RELEASED FOR SERVICE PER MEL 24-11-01-A CATEGORY B. APU GEN MUST BE USED TO POWER AFFECTED BUS THROUGHOUT FLIGHT. MEL: 24-11-01-A DEFERRED PER MEL 24-11-01-A,Sep 23, 2024 · N672FE · Airbus A300F4605RSDR FDEA202409231335Idg · leakingRTO AT 75 KNOTS FOR GENERATOR 1 FAILURE ON ROLL AT KGTF. TAXI BACK TO RAMP FOR MAINTENANCE. #1 IDG FOUND LEAKING FROM SERVICING PORT. REMOVED AND REPLACED #1 ENG IDG SERVICE FITTING AND PACKING. SERVICED AND OPS CKED IDG IAW ABOVE LISTED REF. OPS AND LEAKSep 23, 2024 · N672FE · Airbus A300F4605RSDR CALA2024092500689Idg · faultyELEC GEN OFF R EICAS ADVISORY RIGHT GENERATOR CONTROL BREAKER (GCB) OPEN OR GENERATOR CONTROL SWITCH OFF, AND ENGINE NOT SHUT DOWN. FIM TASK REF : FIM TASK REFERENCE NOT FOUND CMC MSG# 2431562 FLIGHT STATUS: L INTERMITTENCE CODE: M PH: CLIMB NARRATIVE: GENERASep 22, 2024 · N2251U · Boeing 777300ERSDR LR7A2024092003589Generator · failedDURING SCHEDULED FLIGHT LYC2156, #3 GENERATOR BEARING FAILURE LIGHT ILLUMINATED. SHUTDOWN #3 ENGINE @2354 IAW QRH. EMERGENCY DECLARED. LP #57820. / REMOVED AND REPLACED #3 ENGINE GENERATOR. OPS CHECK GOOD. REF: SMP581 CH24-20 & HN7101BSep 20, 2024 · N409LC · Lkheed 382GSDR AALA202409239628Generator · leakingAIRCRAFT WAS GROUNDED: FLIGHT ATTENDANTS IN AFT SECTION OF THE AIRCRAFT REPORTED FUMES ON DESCENT. MAINTENANCE FOUND THE AIRCRAFT BELLY WAS SOAKED AND DIRTY WITH HYDRAULIC FLUID WHICH MAY HAVE BEEN INGESTED BY THE APU. MAINTENANCE ALSO NOTED THAT HYDRAUILIC FLSep 20, 2024 · N722US · Airbus A319112
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