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 IPXA2024060535801Idg · faulted**SUPPLEMENTAL SDR**L GEN DRIVE EICAS MESSAGE DURING DECENT PHASE OF FLIGHT. COMPLIED WITH QRH PROCEDURE R&R LH ENGINE IDG REF 757 AMM 24-11-01 OPS AND LEAK CK GOOD DMP REVERSED PLACARD REMOVED OK TO CONTINUEMay 31, 2024 · N465UP · Boeing 75724APFSDR IPXA2024053135801Warning Light · illuminatedLEFT GEN DRIVE EICAS MESSAGE DURING DECENT PHASE OF FLIGHT. COMPLIED WITH QRH PROCEDURE DEFERRED LH IDG PER MEL 24-00-1. C/W DMP. VERIFIED IDG DISCONNECTED WITH ENGINE RUN. PLACARD INSTALLED *** PIREP: ARRIVED AT THE AIRCRAFT COCKPIT AND SMELLED HEAVY ACETONE/May 31, 2024 · N465UP · Boeing 75724APFSDR CALA2024060301669Idg · lowIDG 1 OIL LO PR DISPLAYED ON UPPER ECAM. MEL 2420E REQUESTED, VERIFIED #1 ENG GENERATOR IDG IS STATING (AUTOLAND LIMIT CAT 3 SINGLE) OTBD OF CAPTS PFD. #1 ENG IDG PLACED ON MEL 2420E, MEL DDP C/W. NOTE: PRIOR TO SERVICE, PYLON MOUNTED IDG CONNECTORS MUST BE VIMay 30, 2024 · N463UA · Airbus A320232SDR R61A2024053100246Gcu · faultedIDG 2 OFF BUSS MESSAGE IN FLIGHT. DECLARED EMERGENCY, LANDED WITHOUT INCIDENT. R&R GCU 2.May 30, 2024 · N241JQ · Emb ERJ170200LRSDR SWAA2024052890541Idg · disconnected#2 DRIVE LIGHT ILLUMINATED IN CRUISE DISCONNECTED PER THE QRH<[01] R&R #2 ENG IDG REF AMM 24-11-11. OPS CHGECK GOOD.May 27, 2024 · N277WN · Boeing 7377H4SDR HALA20240528148Filter · unknownETOPS - LH IDG DRAIN, REMOVE AND DISCARD THE SCAVENGE AND CHARGE FILTER ELEMENTS AND REPLENISH IDG OIL. DICARED FILTERS DRAINED OIL AND REPLENISHED IN REF TO AMM 24-21-00-920-802-A. OPS CHECK GOOD OKAY TO CONTUINE SERVICE.May 26, 2024 · N204HA · Airbus A321271NSDR SWAA2024052889533Idg · faultedDURING CRUISE FLIGHT @FL370 #2 IDG SHOWED SOURCE OFF LIGHT AND TRANSFER BUS OFF LIGHT ILLUMINATED.<[01] R & R #2 ENG IDG IAW AMM 24-11-11. NO DEFECTS NOTED.May 23, 2024 · N219WN · Boeing 7377H4SDR QR9R2024052300001Transformer · malfunctionedDURING PRE TAKE OFF CHECK, GEN AMPS ON #1 SIDE FLUCTUATED BETWEEN 15-30 AMPS CAUSING A SPLIT IN GEN AMPS GREATER THAN 10. #2 GEN CONSTANTLY STAYED AT 35 AMPS. TEST PILOT EVALUATION FOUND GEN 1 AMPS INDICATED 20, GEN 2 INDICATED 40. REMOVED AND REPLACED TRANSFOMay 23, 2024 · Bolkms BK117C2SDR AALA202405248505Idg · inoperativeAIRCRAFT WAS GROUNDED: AN EMERGENCY WAS DECLARED DUE TO: AFTER TAKEOFF EICAS MSG: "ELECTRIC GENERATOR SYSTEM RESET" GENERATOR DID NOT RESET; AIRCRAFT AIR INTERRUPTED BACK TO AND LANDED SAFELY AT JFK. REMOVED AND REPLACED ENGINE NUMBER 2 (IDG) INTEGRATED DRIVEMay 22, 2024 · N725AN · Boeing 777323ERSDR DALA2024051405166Idg · warning messageSHIP 3220 - ATO - AT LOW SPEED DUE TO ENG 1 IDG OIL TEMP HIGH INDICATION. CORRECTIVE ACTION: DEFERRED #1 IDG PER MEL.May 10, 2024 · N320US · Airbus A320211SDR HALA20240508127Generator · faultedETOPS - APU GEN FAULT. REMOVED AND REPLACED GAPCU, CONDITION SAME, REPLACED ORIGINAL GAPCU PER AMM 24-41-34 AND TSM 24-23-00-810-813-A. REMOVED AND REPLACED APU GENERATOR PER AMM 24-23-51, OPS AND LEAK CHECK GOOD, APU OIL LVL GOOD. OK FOR SVC.May 7, 2024 · N214HA · Airbus A321271NSDR SCNA20240424196Idg · faultedDRIVE LIGHT ILLUMINATED ON #2 ENGINE- FOUND IDG FAULT ON #2 GCU REMOVED AND REPLACED #2 ENG IDG IAW AMM 24-11-11 OPS CHECKED GOOD. APU AUTO SHUTDOWN IN FLIGHT ( LOW OIL PRESSURE ILLUMNATED)- FOUND LOW OIL PRESSURE LIGHT MAINT MSG 49-91007 PERFORMED FIM 49-90 Apr 22, 2024 · N814SY · Boeing 7378BKSDR CNMA202404230001Gcu · failedEICAS R AC BUS OFF. STATUS: WXR SYS / R ICE DETECTOR / HI FLOW INHIBITApr 18, 2024 · N225AX · Boeing 767224SDR ANCF20240419009Idg · abnormalIN ACCORDANCE WITH TSM TASK  24-20-00-810-900-A, STEP A, ELECTRIC CHECK WAS PERFORMED. IDG PIN A9 TO IDG CASE - NO SHORT CIRCUIT IDG PIN A9 TO A10 - 8.92 OHM IDG PIN A9 TO GCU C12 - 1,21 OHM IDG PIN A10 TO GCU C13 - 1,22 OHM GCU PIN C12, C13, AND C7, NO SHORT Apr 18, 2024 · N416AV · Airbus A320214SDR CALA2024042201163Oil System · low quantityON THE TAKE OFF ROLL WE RECEIVED A L GEN DRIVE LIGHT ON STATIS MESSAGE. PER FLIGHT CREW REJECTED TAKEOFF SPEED WAS 85 KT. LEFT GEN. LIGHT STAYED ON. RETURN TO GATE FOUND LEFT IDG OIL LEVEL LOW WITH EICAS MESSAGE DISPLAYING THE SAME . SERVICED WITH 1.5 QTS PER Apr 17, 2024 · N12114 · Boeing 757224SDR AALA202404098904Idg · faultedAIRCRAFT WAS GROUNDED: AN EMERGENCY WAS DECLARED AND THE AIRCRAFT RETURNED TO DFW: AFTER TAKE OFF #1 GENERATOR FAULT. DISPLAYED AND THE #1 GENERATOR WOULD NOT RE-SET. THE FLIGHT CREW ALSO REPORTED RECIEVING A LOW OIL PRESSURE ECAM FOR THE #1 IDG AND THEY DISCApr 8, 2024 · N725UW · Airbus A319112SDR YENA2024041100514Idg · failedFLT#974, AUA-BOS. (AIRCRAFT DIVERTED TO SJU) ' GEN 1 FAULT , UNABLE TO RESET; PERFORMED TSM 24-21-00-810-826-A-1 FOUND IDG #1 FAULTING , REMOVED AND REPLACED #1 IDG IAW AMM 24-21-51-400-010-B, OPS CHECKS AND TEST GOOD, NO FAULTS AT THIS TIME A/C OK TO RETURN TApr 6, 2024 · N944JT · Airbus A321231SDR SWAA2024040570916Generator · faultyFOR 2 OR 3 MIN ON DECENT AN ELECTRICAL ARCING SOUND EMINATED FROM THE OVERHEAD PANEL IN THE VICINITY OF THE FUEL & BUS TRANSFER PANELS. NO STATIC ELECTRICITY NO STATIC AND VISIBLE ON WINDOWS. OZONE SMELL NO ACCOMPANY SOUND<[01] C/W SMOKE/FUMES IN CABIN CONDITIApr 4, 2024 · N7750A · Boeing 7377BDSDR YENA2024040500490Gcu · failedFLT#7, JFK-LHR. 'AC GEN CLASS 2 ( CLASS II MX MSG - GPCU OR AC GEN ); REMOVED AND REPLACED # 2 GCU IAW AMM 24-22-34. OPS CHECKED GD. CLEARED MDDR, UPDATED MX-4 AND REMOVED PLACARD.Apr 3, 2024 · N4076J · Airbus A321271NSDR DALA2024040103938Generator · failedSHIP 9586 -DIV- THE FLIGHT WAS DIVERTED TO MCO FOLLOWING THE FAILURE OF THE RIGHT GENERATOR AFTER TAKEOFF, WHILE THE APU GENERATOR WAS ON MEL. THE CAPTAIN DECLARED AN EMERGENCY WITH ATC. CORRECTIVE ACTION: MAINTENANCE REPLACED THE RIGHT IDG AND PERFORMED ALL RMar 29, 2024 · N937AT · Boeing 717200SDR CALA2024040800999Sensor · inoperativeLEFT HAND IDG LEVEL , QUANITY, BLANK ON MAINTENANCE PAGE SERVICED IDG, FOUND MFD DISPLAY BLANK. MUST REPAIR THE INDICATION PROBLEM WITHIN 250 FLIGHT HOURS. AMM 12-13-03600-802, ACCOMPLISHED INTERIM REPAIR FOR LEFT HAND TOMC-APPROVAL FROM SC1ELBYC COMMENT IDGMar 24, 2024 · N2251U · Boeing 777300ERSDR AALA202403260671Idg · failedAIRCRAFT WAS NOT GROUNDED: AN EMERGENCY WAS DECLARED DURING DESCENT INTO TYS DUE TO A ELECTRIC GENERATOR #2 ECAM FAULT. THE AIRCRAFT LANDED SAFELY AT TYS AND TAXIED TO THE GATE UNDER ITS OWN POWER. MAINTENANCE REPLACED THE #2 ENGINE INTERGRATED DRIVE GENERATORMar 23, 2024 · N435AN · Airbus A321253NXSDR YENA2024032100444Gcu · failedFLT#1621, LHR-BOS. (ETOPS) WHILE T/S FOR APU CLASS II MSG FOUND AC GEN CLASS II MSG FROM IDG 2 & HAS HISTORY; PERFOMRED TSM 24-00-00-810-829-A. REMOVED AND REPLACED GCU2 AND PERFORMED WIRING CHECKS AND ALL CHECKS PASSED. REF AMM 24-21-01 PERFORMED BITE OF GAPCMar 21, 2024 · N2165J · Airbus A321271NSDR YENA2024032100443Actuator · faultedFLT#2577, BOS-LAS. (ETOPS) MAINT AC GEN MSG ON ENG SHUTDOWN ( CLASS II MX MSG - GPCU OR AC GEN ); REF L/P 3846145, ITEM 1 (REMOVED & REPLACED #2 ENG REF WO 1321792 AND T/C A320-71-00-51-400-802A); REMOVED AND REPLACED #2 ENG REMOVED AND REPLACED IDG #2 NO FAULMar 21, 2024 · N2165J · Airbus A321271NSDR 2024FA0000300Idg · faultedON MARCH 20TH AT THE MIA BASE, AFTER THE PUSHBACK (02:56 LT) NEAR 100 KTS AN EICAS MESSAGE APPEARS FROM LH GEN DRIVE AND THE CAPTAIN IMMEDIATELY STOPS AND GENERATES REJECT TAKE OFF (RTO) WHICH FOR QRH REQUIRED THE AIRCRAFT TO RETURN FOR MAINTENANCE ACTIONS. MAMar 20, 2024 · N566LA · Boeing 767316FSDR SWAA2024032165896Gcu · inoperativeFL 410 #1 DRIVE AND SOURCE OFF LIGHT<[01] R/R #1 GCU REF AMM 24-21-81. RAN ENGINE AT IDLE PER AMM 71-00-00; OPS CK GOOD. SEE TTG8Q00S84GP FOR PART R/RMar 19, 2024 · N925WN · Boeing 7377H4SDR YENA2024031900438Warning Message · illuminated(ETOPS) APU GEN CLASS 2 MESSAGE; PERFORMED POST FLT SUMMARY & SEARCHED HISTORY & NO CLASS 2 FAULT FOR APU OR APU GEN FOUND. CHECKED APU & APU GEN OPS & OPS CHECK GOOD & NO HISTORY NOTED. THIS DONE IN REF AMM 49-00-00-710-010-A MX-4 UPDATED & MDDR CLEARED PLACMar 18, 2024 · N2165J · Airbus A321271NSDR YENA2024031400418Warning Message · illuminatedFLT#8588, MLB-JFK. (ETOPS) 'CLASS II MX MESSAGE AC GEN. REMOVED AND REPLACED GCU I.AW. AMM 24-22-34. NO CLASS II AC GEN MESG AT THS TIME. A/C OK FOR CONT SVC.Mar 13, 2024 · N2165J · Airbus A321271NSDR YENA2024031400415Gcu · failedFLT#43, (ETOPS) ECAM MSG AC GEN MAINTENANCE ( CLASS II MX MSG - GPCU OR AC GEN ); REMOVED AND REPLACED GCU #2 PER AMM 24-22-34. OPS CHECK GOOD AT THIS TIME.Mar 11, 2024 · N4022J · Airbus A321271NSDR 2024FA0000215Bearing · failedALTERNATOR P/N 9914777-2 HAD A MAIN BEARING FAIL. THIS IS AN ON CONDITION PART WITH NO INSPECTION OR OVERHAUL LIMITS. ALTERNATOR LASTED ONLY 1615 HOURS BEFORE FAILURE OF THE MAIN BEARING. THE MAIN BEARING CAME APART UNDER NORMAL OPERATING CONDITIONS AND CAUSEDMar 11, 2024 · N687JL · Cessna 525CSDR CALA2024031400731Warning Message · false activationRT GEN CONT ON OVRHD AND RT GEN OFF EICAS AND ASSOCIATED MSGS. SVC IDG PER AMM 12-13-03 RESET BPCU PER FIM 24-20 RAN #2 ENG NO FAULTS RETURNEDMar 10, 2024 · N57869 · Boeing 75733NSDR HALA20240311064Warning Light · illuminatedETOPS-ON ARRIVAL DESENDING THRU 12,000 ECAM GEN 2 FAULT. COMPLETE ECAM ACTIONS GEN 2 FAULT STILL ILLUMINATED. STARTED APU. REMOVED AND REPLACED RH IDG IAW AMM 24-21-51-400-803-A UP TO AND INCLUDING STAEP 4. A. (15) (H). 12570/25041, 03/08/24.. NEED TO CONTINUEMar 9, 2024 · N227HA · Airbus A321271NSDR AALA202403083950Gcu · faultyAIRCRAFT WAS GROUNDED: INTEGRATED DRIVE GENERATOR 1 FAULT AFTER TAKEOFF. APU STARTED AND CAME ONLINE. DECLARED EMERGENCY AND LANDED BACK IN CHARLOTTE. REPLACED #1 (AALA202403086656) AND #2 GCU.Mar 7, 2024 · N118US · Airbus A320214SDR AALA202403086656Gcu · faultyAIRCRAFT WAS GROUNDED: INTEGRATED DRIVE GENERATOR 1 FAULT AFTER TAKEOFF. APU STARTED AND CAME ONLINE. DECLARED EMERGENCY AND LANDED BACK IN CHARLOTTE. REPLACED #1 AND #2 (AALA202403083950) GCU.Mar 7, 2024 · N118US · Airbus A320214SDR AALA202403083350Gcu · failedAIRCRAFT WAS GROUNDED: AT CRUISE, GENERATOR 1 FAILED. ASSOCIATED AC1 BUS FAULT RESULTED IN APU BEING UNABLE TO POWER LEFT SIDE. DOWN TO SINGLE GENERATOR POWERING AIRCRAFT (APU ON, BUT NOT CONNECTED), DECLARED EMERGENCY AND LANDED IN CLT. **SUPPLEMENTAL REPORT Mar 6, 2024 · N118US · Airbus A320214SDR AALA202403073350Generator · failedAIRCRAFT WAS GROUNDED: AT CRUISE, GENERATOR 1 FAILED. ASSOCIATED AC1 BUS FAULT RESULTED IN APU BEING UNABLE TO POWER LEFT SIDE. DOWN TO SINGLE GENERATOR POWERING AIRCRAFT (APU ON, BUT NOT CONNECTED), DECLARED EMERGENCY AND LANDED IN CLT. **SUPPLEMENTAL REPORT Mar 6, 2024 · N118US · Airbus A320214SDR AALA202403209192Generator · leakingAIRCRAFT WAS GROUNDED: ON ARRIVAL,4000' FLIGHT ATTENDANTS NOTIFIED FLIGHT DECK OF SEVERE FUMES, BURNING SMELL IN THE MIDDLE TO AFT CABIN. HAZE, NO SMOKE. BURNING EYES, DIFFICULT BREATHING, CHOKING, COUGHING. MAINTENANCE ISOLATED THE SOURCE OF THE ODOR TO THE Mar 4, 2024 · N524UW · Airbus A321231SDR CALA2024030400626Idg · trippedELEC GEN DRIVE L CAUTION ON TO ROLL AGAIN ON TAXI IN PICTURE ADDED OF NUMBER 1 ENGINE IDG OIL LEVEL FOUND MX-MSG 24-31551, L-IDG SHOWS LOW OIL PRESSURE, SERVICED IDG TO NORMAL LEVEL. INSPECTED FOR LEAK, NO FINDINGS. INSPECTED IDG FILTER, NO METAL PARTICLES ANDMar 1, 2024 · N2135U · Boeing 777300ERSDR AWKA202404297361Gcu · faultyFOLLOW UP FROM SDR DATED 27-FEB-24: CREW REPORTED #1, 2 & 3 DISPLAY SCREENS WENT BLANK IN FLIGHT, FGC A FAIL WITH SMOKE IN THE CABIN. THE FOLLOWING CB'S POPPED DURING THE EVENT, GPWS, FADEC 1 & 2 A CHANNELS & FLAP CONTROL. REPLACED NO. 1 GENERATOR CONTROL UNITFeb 22, 2024 · N736XJ · Cessna 750SDR DALA2024022102446Idg · inoperativeSHIP 0691 -DIV- LEFT GEN DRIVE LIGHT/MESSAGE AND APU ON MEL. CORRECTIVE ACTION: REPLACED LEFT IDG.Feb 18, 2024 · N900PC · Boeing 75726DSDR HEEA202402190001Control Unit · inoperativeDURING CRUISE, #1 AC GENERATOR FAILED AND WOULD NOT RESET. THEN RETURNED TO BASE.Feb 17, 2024 · N929PH · Skrsky S92ASDR DALA2024021602290Idg · faultedSHIP 0172 -ATB- RIGHT GENERATOR DRIVE LIGHT ILLUMINATED. APU STARTED NORMAL. CORRECTIVE ACTION: REPLACED RIGHT IDG PER B767 AMM 24-11. OPS NORMAL. (5726756)Feb 14, 2024 · N172DN · Boeing 767332SDR CALA2024021600441Idg · inoperativeR GEN OFF ON TAKEOFF LOW SPEED ABORT SECOND OCCURENCE. RETURN TO GATE VERIFIED TORQUE ON FEEDER CABLES TERMINAL STRIP ONLY ON #2 ENG IDG. IDT 09-10-05. *DM* ADDED IDG FOR ASSISTANCE M&E 19-2420-9-0001 AIPC 24-11-01-05. REPLACED #2 IDG REF AMM 24-11-01-024-001 Feb 14, 2024 · N34137 · Boeing 757224SDR HEEA202402160001Generator · inoperativeON SHORT FINAL TO MV C-CONSTRUCTOR #2 GEN FAIL CAUTION LIGHT ILLUMINATED. CONDUCTED A WAVE-OFF INTO A HOLDING PATTERN. EXECUTED CHECKLIST TOR #2 GEN FAIL TO RECYCLE/RESET THE GENERATOR. GENERATOR RETURNED WITHOUT ISSUE. CONTINUED FLIGHT IAW PROCEDURES.Feb 14, 2024 · N949PH · Skrsky S92ASDR I5PA2024021468801Idg · leakingFLT NO: N/A (MX FINDING). ESI - OIL LEAKING FROM RH ENG DRAIN MAST. REPLACED RH IDG.Feb 14, 2024 · N688SL · Boeing 757230SDR NACA2024021200004Line · looseR GEN DRIVE EICAS MSG. DEFERRED R GEN DRIVE PER MEL 24-00-00-01 ON 2-12-2024 2105Z. FOUND BNUT ON R IDG OIL IN LINE LOOSE , TIGHTENED PER AMM 20-10-09. PERFORMED R ENG IDLE RUN OPS/LEAK CHECK GOOD PER AMM 24-11-01Feb 12, 2024 · N321CM · Boeing 767323SDR FDEA202402110153Idg · failedAPPROXIMATELY 2 20 INTO THE FLIGHT WE FELT THE AIRPLANE SHUDDER AND SAW EICAS MESSAGES: L & R UTILITY BUS. RAN QRH AND COMPLIED WITH CHECKLIST. AFTER SEVERAL MINUTES WE NOTICED THE APU HAD SHUT DOWN. DUE TO LOWER WEATHER IN BNA CONTINUED TO MEM. EMERGEFeb 11, 2024 · N199FE · Boeing 7673S2FSDR DALA2024021201972Control Unit · inoperativeSHIP 0679 - MISC/DE - RIGHT GENERATOR OFF MESSAGE ON APPROACH. CORRECTIVE ACTION: REPLACED GCU AND BPCU.Feb 11, 2024 · N679DA · Boeing 757232SDR ABXA20240212022Generator · malfunctionedL GEN OFF EICAS DURING TAXI AC RETURENED TO GATE AND GROUNDED BY MAINTENANCE ,DEFERRED LH IDG IAW ABX-24-00-1-1. AND AC REURNED TO SERVICE AND DEPARTED. AC FLEW TO CVG AND LH IDG WAS REPLACEDIAW B767 AMM 24-11-01. PERFORMED OPS CHECK IAW B767 AMM 24-11-00. OPSFeb 10, 2024 · N362CM · Boeing 767383SDR CALA2024021200407Idg · inoperativeEICAS ADVISORY RIGHT GEN CONTROL ON TAKE OFF ROLL. RIGHT ENGINE GENERATOR INOPERATIVE. ASSOCIATED INTEGRATED DRIVE GENERATOR (IDG) IS DISCONNECTED. LENS LIGHT COVERS INSTALLED OVER RIGHT GEN DRIVE LIGHT AND RIGHT GEN CONTROLL LIGHT. ON MEL 2400R. PERFORMED BPFeb 9, 2024 · N34137 · Boeing 757224
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