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 QXEA2019093000372Generator · malfunctionedON TAKEOFF ROLL PRIOR TO THE 80 KTS CALL, #2 AC GEN CAUTION ILLUMINATED. ABORTED TAKEOFF AND RAN CHECKLIST, LIGHT REMAINED ILLUMINATED. REMOVED FROM SERVICE. EPCU SHOWED FAULT CODE 28. REMOVED AND REPLACED #2 AC GCU IAW Q400 AMM 24-21-06-000/400-801. NO HELSep 27, 2019 · N412QX · Bombdr DHC8402SDR ASAA2019092630838Idg · failedRIGHT TRANSFER BUS OFF LIGHT ILLUMINATED TWICE IN FLIGHT, ACCOMPANIED BY M/C LIGHT. ILLIMUNATION WAS A HALF SECOND BOTH TIMES, NOT ACCOMPANIED BY ANY OTHER INSTRUMENT INDICATION. FIRST TIME WAS AT CRUISE. SECOND TIME WAS DURING DESCENT. GROUNDED - YES. REMOVEDSep 26, 2019 · N584AS · Boeing 737890SDR 9PMA2020042700005Brushes · wornPIC REPORTS NO.1 ALTERNATOR FAIL CASS MESASAGE APPEARED ON LANDING INTO KAUS. AIRCRAFT LANDED WITH NO INCIDENT OR DAMAGE. UPON FURTHER INSPECTION FOUND NO. 1 ALTERNATOR BRUSHES WORN CAUSING FAILURE.Sep 25, 2019 · N183TF · Lear 45LEARSDR UIEA2019100105572Generator · malfunctionedAPU COLD SOAK START FAILED. APU COLD SOAK START PERFORMED, APU STARTED, RAN FOR 10 MIN. ALT 38,000; TIME: 2100Z. START FAILED. PERFORMED APU EXTERNAL INSPECTION IAW AMM 49-21-00-206-001. FOUND OIL LEAKING FROM APU GENERATOR HOUSING. SERVICED APU OIL TO FULL, Sep 24, 2019 · N1093A · Boeing 76736NSDR AALA201909239043Idg · failedAIRCRAFT WAS GROUNDED: FLIGHT AIR RETURNED TO CLT ON ACCOUNT OF N1 GENERATOR FAULT AND APU FAIL INDICATION. AN EMERGENCY WAS DECLARED. MAINTENANCE REMOVED AND REPLACED ENG #1 IDG IAW AMM 24-21-51. OPS AND LEAK CHECK GOOD. REMOVED AND REPLACED FCU IAW AMM 49-23Sep 22, 2019 · N546UW · Airbus A321231SDR UIEA2019092305557Idg · malfunctioned"R GEN OFF" EICAS IN FLIGHT AT FL 410. TROUBLESHOT RIGHT IDG IAW FIM 24-20 TASK 804, TABLE 102. "DP TRIP AND GEN/FDR" MESSAGE. C903 FOUND SHORTED BETWEEN L1 AND T1. REPLACED C903 IAW WDM 24-21-21. DID NOT FIX. SEE ITEM M4 ON LP 1100813 FOR CORRECTIVE ACTION. OSep 21, 2019 · N1361A · Boeing 76731BSDR ASAA2019092130787Idg · faultyON AFTER START FLOW GEN 1 WOULD NOT COME ONLINE SOURCE OFF AND GEN OFF BUS LIGHT REMAINED ILLUMINATED VOLTS AND FREQ BOTH AT 0. GROUNDED - YES. PERFORMED FIM 24-21 TASK 801, FOUND FEEDER FAULT ON THE NR 1 GCU, CHECKED AND RELEASED PER MEL 24-1B ENGINE DRIVEN GSep 21, 2019 · N512AS · Boeing 737890SDR AALA201909239020Idg · failedAIRCRAFT WAS GROUNDED: FLIGHT AIR RETURNED TO PHL ON ACCOUNT OF RIGHT HAND GENERATOR OFF AND APU FAIL INDICATION. PILOT REPORTS LOST THE RIGHT GENERATOR 2 HRS INTO FLIGHT. FOLLOWED QRH PROCEDIRE AND RESET. R GEN OFF EICAS CAME BACK ON 1 MIN LATER. MAINTENANCE Sep 21, 2019 · N393AN · Boeing 767323SDR UIEA2019092305558Idg · malfunctionedAFTER ENGINE START, "L GEN DRIVE" EICAS MSG. LASTED FOR ABOUT 1 MIN THEN WENT AWAY. REMOVED AND REPLACED L ENG IDG IAW AMM 24-11-01. PERFORMED OPS CHECK AND ENGINE RUN IAW AMM 71-00-00. NO FAULTS NOTED, NO MESSAGE PRESENT AT THIS TIME.Sep 21, 2019 · N1499A · Boeing 767328SDR UIEA2019092405566B-Nut · loosePER CUSTOMER REQUEST, PERFORM VISUAL INSPECTION OF LT ENGINE IDG FOR OIL LEAKS AND SERVICE IDG OIL. PERFORMED VISUAL INSPECTION ON LH ENGINE IDG, FOUND ONE OF THE B-NUTS LEAKING OIL. TIGHTENED THE B-NUT TO THE STANDARD TORQUE VALUE IAW AMM 20-11-00. SERVICED ISep 20, 2019 · N1499A · Boeing 767328SDR ASAA2019092030755Oil Cooler · leaking#2 ENG IDG OIL LEVEL LOW, OIL RESIDUE ON T/R SLEEVE BEHIND OIL COOLER. GROUNDED - YES. REPLACED THE #2 ENG IDG OIL COOLER (AIR/OIL) AND SERVICED THE #2 ENG IDG OIL LEVEL TO CORRECT LEVEL. LEAK CHECK GOOD REF AMM 24-11-21/401.Sep 20, 2019 · N434AS · Boeing 737990ERSDR UIEA2019092005546Idg · lowL GEN DRIVE (WITH OVERHEAD DRIVE LIGHT) ON FOR 30 SECONDS AFTER START, THEN WENT OUT. SERVICED L IDG IAW AMM 12-13-03. PERFORMED OPS CHECK IAW AMM 71-00-00, OPS CHECK GOOD AT THIS TIME.Sep 19, 2019 · N1499A · Boeing 767328SDR ASOA201909174052Bearing · failedMOB - FLIGHT 4053 THCREW REPORTED A STRONG SMOKE SMELL IN THE CABIN POSSIBLY FROM ENGINE 1. THE AIRCRAFT LANDED AT MOB WITHOUT INCIDENT. MAINTENANCE INSPECTED THE AIRCRAFT AND FOUND THAT THE #1 GENERATOR HAD SUFFERED A CATASTROPHIC BEARING FAILURE CAUSING THE Sep 17, 2019 · N14158 · Emb EMB145XRSDR AALA201909179008Idg · failedAIRCRAFT WAS GROUNDED: FLIGHT DIVERTED TO LHR ON ACCOUNT OF APU FAULT AND RIGHT ENGINE GENERATOR ON PLACARD. EMERGENCY DECLARED. MAINTENANCE REPLACED RT IDG IAW AMM 24-11-01. OPS AND LEAK CHECK OK. CHECKED AND PERFORMED APU CONTROL UNIT BITE TEST IAW AMM 49-61Sep 16, 2019 · N393AN · Boeing 767323SDR AALA201909189023Filter · faultyAIRCRAFT WAS GROUNDED: FLIGHT DIVERTED TO LHR ON ACCOUNT OF APU FAULT AND RIGHT ENGINE GENERATOR ON PLACARD. EMERGENCY DECLARED. MAINTENANCE REPLACED RT IDG IAW AMM 24-11-01. OPS AND LEAK CHECK OK. CHECKED AND PERFORMED APU CONTROL UNIT BITE TEST IAW AMM 49-61Sep 16, 2019 · N393AN · Boeing 767323SDR UIEA2019091805525Idg · lowAFTER L ENG START, L GEN DRIVE EICAS MESSAGE DISPLAYED. EICAS MESSAGE STAYED ILLUMINATED FOR APPROX 20 SECONDS THEN WENT AWAY. SAFETY WIRE BROKEN FOR L ENG DRIVE DISK, SWITCH NOT PUSHED. FOUND IDG ON ENG 1 LOW. SERVICED IDG IAW AMM 12-13-03, LEAK CHECK GOOD. NSep 14, 2019 · N1499A · Boeing 767328SDR UIEA2019091005478Idg · malfunctionedAT 2 HOURS 10 MINS INTO FLIGHT, LEFT GEN DRIVE LIGHT ILLUMINATED THEN EXTINGUISHED. ALSO, DRIVE EICAS MESSAGE, THEN ALSO EXTINGUISHED. TRANSFERRED TO DMI # 117578 IAW DDG 24-00-01-01, CAT B, DUE DATE: 14SEP19 LP 1087262 - M2: REMOVED AND REPLACED LEFT ENGINE ISep 10, 2019 · N1373A · Boeing 76731KSDR HNAA2019091100267Generator · malfunctionedGEN #3 SHOWING AMBER DASHES AND 0 AMPS DURING FLIGHT. FIX: R&R GEN 3 IAW AMM 24-31-01 LEAK AND OPS CHECK GOOD. NOTE: AIRCRAFT DIVERTED FROM YQB TO ALB TO BE FIXED.Sep 10, 2019 · N638AE · Emb EMB145LRSDR UIEA2019090905472Fitting · leaking#2 ENGINE IDG SERVICING FITTING LEAKING. REMOVED AND REPLACED #2 ENGINE IDG SERVICING FITTING IAW AMM 24-11-00. LEAK CHECK GOOD.Sep 8, 2019 · N1181A · Boeing 7673Y0SDR UIEA2019090505450Warning System · false activation"L GEN DRIVE" DISCRETE LIGHT AND EICAS MSG ON DESCENT. PERFORMED BPCU BITE TEST IAW FIM 24-20 FT 801, NO FAULTS OR MSG NOTED. VERIFIED LT IDG OIL LEVEL, OK IN SIGHT GLASS. VERIFIED NO IDG DISCONNECT, OPS NORMAL AT THIS TIME.Sep 6, 2019 · N1373A · Boeing 76731KSDR UIEA2019090305440Idg · lowLEFT GEN DRIVE EICAS ON AFTER START FOR APPROX 4 MINUTES, AND THEN OUT. SERVICED LH IDG PER PER AMM 12-13-03. OPS CHECK PER AMM 24-11-00, OPS CHECK OK AT THIS TIME. A/C OK FOR SERVICE.Sep 3, 2019 · N1499A · Boeing 767328SDR UIEA2019090305430Warning System · false activation"LEFT GENERATOR DRIVE" EICAS MESSAGE UPON TAKING THE RUNWAY FOR DEPARTURE. RAN THE QRH, MESSAGE WENT AWAY. PERFORMED BITE CHECK BPCU IAW FIM 24-20 FAULT TREE 801, NO FAULTS FOUND AT THIS TIME. CHECKED AT SERVICED LEFT IDG PER AMM 12-13-03, LEAK CHECK GOOD.Sep 2, 2019 · N1373A · Boeing 76731KSDR 9PMA2020042700003Brushes · wornPIC REPORTS NO. 1 ALTERNATOR FAIL WARNING INDICATION SHOWN. AFTER FURTHER INSPECTION FOUND NO. 1 ALTERNATOR BRUSHES WORN. NO DAMAGE TO AIRCRAFT, CREW OR PAX CAUSED.Sep 1, 2019 · N108RL · Raythn HAWKER800XPSDR UIEA2019090305441Relief Valve · leakingEVIDENCE OF OIL LEAK, RIGHT IDG PRESSURE RELIEF VALVE/TUBE. REMOVED AND REPLACED RELIEF VALVE AND LINES IAW AMM 24-11-18. OPS CHECK GOOD IAW AMM 20-10-09.Aug 31, 2019 · N640GT · Boeing 7673S1SDR AALA201909019006Unknown · malfunctionedAIRCRAFT NOT GROUNDED: PILOT REPORTS DURING CLIMB, RIGHT HALF OF ELECTRICAL SYSTEM DROPPED OFF LINE WITH R GEN OFF AND AC CROSSTIE LOCKOUT. AFTER RESETTING RIGHT GENERATOR, ALL ELECTRICAL RESTORED, INDICATING NORMAL. AC CROSSTIE STAYS LOCKED OUT PER AIRCRAFT DAug 31, 2019 · N984TW · Doug MD83SDR UIEA2019083005406Idg · low"L GEN DRIVE" EICAS MSG INTERMITTENT. PERFORMED BITE CHECK ON BPCU AND SHOWED L IDG OIL LOW. SERVICED L IDG PER AMM 12-13-03. OPS CHECKS GOOD PER AMM 24-17-00, NO FAULTS NOTED AT THIS TIME. LEAK CHECK GOOD.Aug 30, 2019 · N1373A · Boeing 76731KSDR UIEA2019083005330Warning Message · false activationEICAS MESSAGE "L GEN DRIVE" ON TAKEOFF. MESSAGE CLEARED BEFORE QRH COULD BE REFERENCED. PERFORMED A BPCU BITE TEST IAW FIM 24-20 FAULT TREE 801. NO FAULTS FOUND AT THIS TIME.Aug 30, 2019 · N1373A · Boeing 76731KSDR AALA201908309004Idg · overtempAIRCRAFT WAS GROUNDED: PILOT DECLARED EMERGENCY ON ACCOUNT OF LEFT ENGINE HIGH OIL TEMP. ENGINE WAS SHUT DOWN IN FLIGHT. MAINTENANCE REPORTS AIRMAN REPORTED IDG OVERTEMP WHICH CAUSED FUEL TEMP TO INCREASE WHICH CAUSED THE OIL TEMP TO INCREASE. IAW TSM 79-40-00Aug 29, 2019 · N153UW · Airbus A321211SDR ASAA2019082830528Idg · malfunctioned#1 GEN DRIVE LIGHT DOES NOT ILLUMINATE WITH APU POWERING THE BUS-INTERMITTENT. GROUNDED - YES. REMOVED AND REPLACED #1 ENGINE IDG REF AMM 24-11-11. OPS AND LEAK CHECK GOOD.Aug 28, 2019 · N514AS · Boeing 737890SDR UIEA2019082805316Line · looseON WALK AROUND FOUND RT IDG LEAKING. FOUND RT IDG OIL RETURN LINE LOOSE. TIGHTENED AS PER AMM 24-11-01 AND SERVICED RT IDG PER AMM 12-13-03. LEAK CHECKED RT IDG PER AMM 71-00-00/501 CONFIG 3 AND OK FOR SERVICE, NO LEAKS NOTED.</P>)Aug 28, 2019 · N640GT · Boeing 7673S1SDR UIEA2019082645277Idg · failedL GEN FAILED IN CRUISE FLT (FL 360 SAT -47), ATTEMPTED THE RESET OF "GEN CONT" SW, FAILED RESET. APU WAS AVAILABLE. (<P>REMOVED AND REPLACED LEFT INTEGRATED DRIVE GENERATOR IAW B767 AMM 24-11-01, OPS CHECK GOOD.</P>)Aug 24, 2019 · N1229A · Boeing 767306SDR FDEA201908232011Generator · overservicedON DEPARTURE FROM MEM, PASSING 8000' AT 250 KNOTS THE NUMBER 2 GENERATOR FAULTED. TRIED TO RESET THE GENERATOR PER ECM BUT GEN REMAINED INOP. PLACED GEN OFF PER QRH/ECAM. FOUND NR 2 ENG GEN SLIGHTLY OVER SERVICED. RE SERVICED GEN REF AMM 12-13-24-00-0Aug 23, 2019 · N677FE · Airbus A300F4605RSDR ASAA2019082103433Generator · failedAPU AMBER FAULT LIGHT ILLUMINATED DURING START AT GATE, FOLLOWED QRH PROCEDURE AND FAULT LIGHT ILLUMINATED AGAIN DURING SECOND START ATTEMPT. GROUNDED - YES. REMOVED & REPLACED APU STARTER-GENERATOR REF B737-900 AMM 49-41-21. C/W B737-900 FIM 49-40 TASK 803, OAug 20, 2019 · N474AS · Boeing 737990ERSDR UIEA201908225227Carbon Seal · leakingACCOMPLISHED INSPECTION CHECK ON DRAIN LINES IAW AMM 71-71-00. FOUND IDG DRAIN LINE WITH MINOR LEAKAGE. REMOVED ALL CAPS AND PLUGS, AND RESTORED ENGINE TO NORMAL CONFIGURATION. NR 2 ENGINE IDG DRAIN LINE CAPPED PER AMM 71-71-00 FOR CARBON SEAL TO BE REPLACED.Aug 19, 2019 · N1229A · Boeing 767306SDR DALA2019081904845Gauge · failedCREW LOST THE LT GENERATOR WHILE THE RT GENERATOR WAS ALREADY ON MEL. REPLACED LT ENG. GENERATOR, CSD, AND OIL COOLER. FLUSHED OIL LINES AND SERVICED CSD. FOUND # 1 PMG C/B POPPED ON # 1 GCU. REPLACED GCU. OPN CKS AND LEAK CKS OK. (LP5595378)Aug 19, 2019 · N913DL · Doug MD88SDR UIEA2019082095220Line · leakingL/H ENGINE IDG OIL LINE LEAKING DURING ENGINE RUN AT RATE OF 11 DROPS PER MINUTE. (<P>READJUSTED OIL LINE ( OIL COOLER ) AND TORQUED FITTING. RAN ENGINE AND FOUND NO FURTHER LEAKS PER AMM 24-11-00. NO LEAKS OR DEFECTS NOTED, OK FOR CONTINUE SERVICE.</P>)Aug 18, 2019 · N1499A · Boeing 767328SDR AALA201908199025Seal · leakingAIRCRAFT WAS GROUNDED: FLIGHT AIR RETURNED TO DFW ON ACCOUNT OF HIGH OIL CONSUMPTION AND ENGINE IDLE ISSUE. EMERGENCY WAS DECLARED. MAINTENANCE TROUBLESHOT AND FOUND OIL LEAK FROM IDG DRIVE ASSEMBLY. REPLACED DRIVE SEAL ASSEMBLY IAW AMM 72-60-28. LEAK AND OPS Aug 17, 2019 · N819AW · Airbus A319132SDR UIEA2019081655194Idg · disconnectedLT GEN DRIVE EICAS MSG - DRIVE DISCONNECTED. REMOVED AND REPLACED #1 ENG IDG IAW AMM 24-11-01. PERFORMED OPS/LEAK CHECK OF IDG IAW AMM 24-11-00, OPS CHECK GOOD, NO LEAKS NOTED.Aug 15, 2019 · N1499A · Boeing 767328SDR UIEA2019081645167Idg · underservicedL GEN DRIVE EICAS MESSAGE IN CRUISE. SERVICED L GEN IDG IAW AMM 24-17-00 ACCOMPLISHED GRD CK CKS GOOD PER AMM 71-00-00.Aug 14, 2019 · N1373A · Boeing 76731KSDR UIEA2019082135038Filter · not reportedREPLACE OR CLEAN THE IDG EXCHANGE AIR SHUTOFF VALVE FILTER. PERFORM IDG HEAT EXCHANGE AIR SHUTOFF VALVE FILTER REPLACEMENT IAW AMM 24-11-07-202-016, REV 127. CONDITION CHECKED NORMAL.Aug 12, 2019 · N663GT · Boeing 767324SDR UIEA2019081535097Warning Message · false activationIDG FILTER, CHECK OIL FILTER PRESSURE INDICATOR POSITION.(<P>PERFORMED OIL FILTER PRESSURE INDICATOR POSITION CHECK IAW 24-11-01-246-211 REV. 127. JOB COMPLETED AND CONDITION CHECK SATISFACTORY. </P>)Aug 12, 2019 · N663GT · Boeing 767324SDR UIEA2019081435045Warning Light · false activationIDG QAD COUPLING-CHECK TORQUE AND CONDITION. PFM QAD COUPLING TORQUE CHECK. RESULT NORMAL.Aug 12, 2019 · N663GT · Boeing 767324SDR UIEA2019081435043Warning Light · false activationIDG QAD COUPLING-CHECK TORQUE AND CONDITION. PERFORM QAD COUPLING TORQUE CHECK. RESULT NORMAL.Aug 12, 2019 · N663GT · Boeing 767324SDR UIEA2019081435041Warning Light · false activationIDG FILTER- CHECK OIL FILTER PRESSURE INDICATOR POSITION. EXAMINED OIL FILTER PRESSURE INDICATOR POSITION. RESULT NORMAL.Aug 12, 2019 · N663GT · Boeing 767324SDR HALA2019081210386Idg · making metalETOPS SIGNIFICANT SYSTEM - ELECTRIC GENERATOR 2 FAULT. REMOVED AND REPLACED IDG 2 PER AMM 24-21 OPS CHECK GOOD.Aug 11, 2019 · N384HA · Airbus A330243SDR UIEA201908134996Idg · failedLEFT GEN DRIVE AND LT GEN OFF MESSAGE AFTER ENGINE START. RECONNECTED IDG IAW AMM 24-11-01. RAN ENGINE IAW AMM 71-00-00. LT GENERATOR STILL INOPERATIVE, IDG LOW PRESSURE LIGHT NEVER WENT OUT. AFTER ENGINE START, DISCONNECTED IDG. REMOVED AND REPLACED LT ENGIAug 10, 2019 · N1499A · Boeing 767328SDR DALA2019081400756Cooler · damagedSHIP 3927 FOUND EVIDENCE OF BIRDSTRIKE IN #1 ENG. SMOKE & FUMES OCCASIONALLY EN ROUTE AND ON APPROACH. CORRECTIVE ACTION: FOUND NR 1 IDG AIR/OIL COOLER DAMAGED FROM BIRD. R/R IDG OIL COOLER PER B737 AMM 24-11. C/W AIR COND & PNEU SYS CONTAMINATION AMM 21-00. EAug 9, 2019 · N927DZ · Boeing 737932ERSDR ASAA2019081293360Generator · failedAPU DIFFICULT TO PUT ON TRANSFER BUSSES. MULTIPLE ATTEMPTS MADE AFTER APU "GEN OFF BUS" LIGHT ILLUMINATED. TOOK APPROXIMATELY 2 MINUTES AFTER APU WAS AVAILABLE BEFORE TRANSFER BUSSES WOULD CONNECT TO APU. DID NOT NOTE VOLTS/FREQS OF APU GEN WHEN TRANSFER BUSSEAug 9, 2019 · N581AS · Boeing 737890SDR HALA201908098385Gcu · faultyETOPS - #2 GEN FAIL ON DECENT UNABLE TO RESET // REMOVED AND REPLACED GCU (1XU2) PER AMM 24-22-34 OK FOR SVC UNIT, GCU-GENER OFF 30-2420-9-0002 15691 ON 33-2423-9-0007 08055Aug 8, 2019 · N361HA · Airbus A330243SDR AALA2019080769027Idg · failedAIRCRAFT WAS GROUNDED: PILOT REPORTS UPON REACHING TAKEOFF THRUST, R GEN DRIVE DISCONNECT ILLUMINATED. (ASSOCIATED R GEN OFF AND L 7 R UTILITY BUSS OFF). FOLLOWED QRH PROCEDURE FOR R GEN DRIVE DISCONNECT. MAINTENANCE REMOVED/REPLACED RIGHT IDG IAW AMM:24-11-01Aug 3, 2019 · N342AN · Boeing 767323
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