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.
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
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 UIEA2020011650074Generator · inoperativeAPU GENERATOR INOPERATIVE. PERFORMED A BITE ON BPCU, FAULTS GENERATOR DIODE. REMOVED AND REPLACED THE APU GENERATOR IAW AMM 24-21-01. OPS CHECKED GOOD, LEAK CHECKED GOOD.SDR CALA2020011000122Idg · malfunctionedELEC 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# 2431631 FLIGHT STATUS: L INTERMITTENCE CODSDR SIMA202001087003Gcu · failedELECTRICAL SMOKE SMELL NOTICED IN COCKPIT-C/A-C/W FIM TASK 21-20-00-810-801-A. FOUND SMELL TO BE APU GCU CAUSE. REMOVED AND REPLACED APU GCU IAW EMB 145 MM 24-34-02. OPS CHECK GOOD. NO DEFECTS NOTEDSDR A6WA2020010747096Idg · malfunctionedSUPPLEMENTAL, RECEIVED NR 2 GEN CAUTION MESSAGE WITH DISCONNECT INDICATION, ALSO RECEIVED RIGHT WINDOW HEAT CAUTION MESSAGE AIRCRAFT REMOVED FROM SERVICE. COMPLIED WITH M ACTION FOR MEL 24-11-01-01 AND PLACED IDG GEN NR 2 ON MEL. PERFORMED FIM RESET PROCEDSDR DALA2020010500056Idg · failedSHIP 1504 - DIV - TO POS AFTER LT IDG FAILED IN FLIGHT AND APU WOULD NOT START AFTER MULTIPLE ATTEMPTS. CORRECTIVE ACTION: FOUND APU INLET DOOR ACTUATOR AT FAULT. LOCKING APU DOOR IN OPEN POSITION AND WILL RUN APU INFLIGHT (LP 6677510). LT IDG PLACED ON MEL. FSDR UIEA2019123086154Gcu · failedNR 2 GENERATOR DRIVE LIGHT INOPERATIVE. REMOVED AND REPLACED THE NR 2 GCU IAW MM 24-22-02. RUN OK, LIGHT OK.SDR C77A2019122760001Idg · leakingNR 1 IDG OIL MESSAGE ON DESCENT. IDG OFF BUS MESSAGE ON DESCENTSDR AALA201912269008Generator · failedAIRCRAFT WAS GROUNDED: PILOT REPORTS ON APPROACH DFW LEFT SOURCE LIGHT AND DRIVE LIGHT ILLUMINATED, APU STARTED AND POWERED LEFT BUS FOR NORMAL LANDING. MAINTENANCE REMOVED AND REPLACED NO. 1 ENGINE IDG IAW AMM 24-11-11. OPS TEST GOOD. NO LEAKS NOTED.SDR SWAA2019122339884Control Unit · faultedDIVERTED AND DECLARED AN EMERGENCY. SOURCE OFF GENERATOR NR 1 ILLUMINATED IN FLIGHT. R&R THE NR 1 GENERATOR CONTROL UNIT IAW AMM.SDR SWAA2019122339883Generator · faultedDIVERTED AND DECLARED EMERGENCY. SOURCE OFF GENERATOR NR 1 ILLUMINATED IN FLIGHT. R&R INTEGRATED DRIVE GENERATOR IAW AMM.SDR AALA2019122319011Idg · faultyAIRCRAFT WAS GROUNDED: PILOT REPORTS #2 GEN FAULT AT FL 310, RESET UNSUCCSSFUL GEN TURNOFF IAW QRH. APU START ATTEMPTED. APU SHUTDOWN. DEVERTED TO KBIL. MAINTENANCE REPLACED #2 ENG IDG IAW AMM 24-21-51. OPS & LEAK CHECK GOOD. CHECKED APU OIL LEVEL FULL, STARTESDR UIEA2019121606082Transformer · failedLEFT GEN OFF EICAS MSG INFLIGHT. RAN QRH, CALLED COMPANY. MALFUNCTION PERSISTED. DECIDED TO CONTINUE WITH APU GEN AS PER QRH. REMOVED AND REPLACED LH INTEGRATED DRIVE GENERATOR IAW AMM 24-11-01. OPS CHECKED NORMAL. REMOVED AND REPLACED LEFT GENERATOR CURRENSDR I5EA2019121707Gcu · malfunctioned#1 ENGINE GENERATOR WENT OFF LINE. APU ALREADY ON MEL. SYSTEM "B" HYD PRESS LOW LIGHT, YAW DAMP OFF, EQUIPMENT COOLING FAN OFF, ANTI-SKID INOP, MULTIPLE LOW PRESSURE LIGHTS.SDR UIEA201912116042Idg · malfunctionedAFTER LANDING, DURING ROLL OUT, RECEIVED "LEFT GEN" ADVISORY MSG.(<P>SERVICED & RESET IDG, RAN ENGINE, & RESET FIELD SWITCH, NO HELP. THIS BECOMES DMI 121828, CAT 'B', DUE 19-DEC-19 IAW MEL 24-00-01-01. ENG RUN IAW AMM 72-00-00 AND T/S PER FIM 24-20 FT 801. </SDR ASAA2019120961531Unknown · unknownAFTER APU START, APU ELEC SHOWS NO VOLTS OR FREQ. BLUE APU AVAIL LIGHT IS ON. GROUNDED - YES. COULD NOT DUPLICATE. SWAPPED APU GCU AND #1 ENGINE GCU. BOTH SYSTEMS OP'ED NORMAL. RETURNED GCU'C TO ORIGINAL POSITIONS. BOTH #1 ENGINE GENERATOR AND APU GENERATOR OPSDR AALA2019120959004Gcu · faultyAIRCRAFT WAS GROUNDED: PILOT REPORTS AT FL 380 LH ENGINE HAD 4 ABNORMAL INDICATIONS HAPPENING SIMULTANEOUSLY DUCT PRESS WENT ABOVE 60 PSI EGT, N2, N3 ALL WENT INTO YELLOW BAND AND WOULD HAVE EXCEEDED RED WITHOUT THROTTLE REDUCTION. FL 360 HAD REAT. BELOW FL 3SDR AALA201912099050Gcu · faultyAIRCRAFT WAS GROUNDED: PILOT REPORTS AT FL 380 LH ENGINE HAD 4 ABNORMAL INDICATIONS HAPPENING SIMULTANEOUSLY DUCT PRESS WENT ABOVE 60 PSI EGT, N2, N3 ALL WENT INTO YELLOW BAND AND WOULD HAVE EXCEEDED RED WITHOUT THROTTLE REDUCTION. FL 360 HAD REAT. BELOW FL 3SDR AALA2019120329013Gcu · unreliableAIRCRAFT NOT GROUNDED: PILOT REPORTS ON TAKEOFF ROLL PRIOR TO 80KNOTS RIGHT GEN TRIPPED OFFLINE #1 EICAS MESSAGE ILLUMINATED. DISCONTINUED T/O. FOLLOWED QRH. RESET GEN #1 RAN APU. NEXT TAKEOFF ABOVE 80 KNOTS RIGHT GEN TRIPPED OFFLINE. CONTINUED TAKEOFF. MAINTSDR DALA2019120307007Gcu · failedDURING DESCENT PASSING 9000 FT, LOST THE LEFT GENERATOR, NO FURTHER ACTION TAKEN. REMOVED AND REPLACED THE LT GEN CONTROL IAW AMM 24-20. OPS CHECKS GOOD .SDR P5CA2019120390224Idg · malfunctionedLEFT GEN CONT CAUTION LIGHT AT APPROX 50 KTS ON TAKEOFF ROLL, L GEN OFF.(<P>TRANSFERRED TO MDDR 121311 IAW DDG 24-00-01-01, CAT 'B', DUE DATE: 03-DEC-2019. MCC NOTIFIED.</P><P>LP 1112612 - ITEM 2: INSPECTED A/C FOR HIGH ENERGY STOP INSPECTION IAW AMM 05-51-14.SDR VNAA2019112911101Gcu · failedALL ELECTRICAL POWER LOST WHILE AT GATE, FOLLOWED BY BURNING SMELL AND SMOKE IN COCKPIT. INSPECTED AC FOUND CB Q11 ON CPB1POPPED OPEN. INVESTIGATED AND FOUNDGCU#3 FOR APU IS BURNED ON THE INSIDE. GCU #3REQ REPLACEMENT. R&R #3 GCU IAW CRJ 900 AMM 24-22-03-000/4SDR UIEA2019120205974Module · inoperativeAPU GENERATOR FIELD OFF LIGHT INOP. REMOVED AND REPLACED THE MODULE ASSY IAW AMM 33-13-00.SDR P5CA2019112700220Idg · lowGEN DRIVE DISC SWITCH FLASHING.(<P>SERVICED IDG OIL TO FULL IAW AMM 12-13-613-027. RAN ENGINE (L/H) PER AMM 71-00-00. IDG OPS CHECKED GOOD PER AMM 24-11-00-715-005. A/C OK FOR CONTINUED SERVICES. MCC NOTIFIED.</P>)SDR P5CA2019112520219Idg · underservicedL GEN CONT TRIPPED, RESET WAS SUCCESSFUL. FOLLOWED BY SEVERAL FLASHES OF GEN DRIVE LIGHT.(<P>RAN BITE ON BPCU, FAULTS LT IDG LOW OIL PRESSURE. SERVICED IDG IAW AMM 12-13-03, RAN ENG IAW AMM 71-00-00. IDG OPS CHECKS GOOD, NO LEAKS. RE-RAN BPCU BITE, NO FAULTS.<SDR ASAA2019112231412Idg · leakingFOLLOW-UP TO #2 IDG FREQUENT SERVICING GROUNDED - YES. WITH 25 PSI PRESSURE, #2 IDG LEAKS OIL FROM DRAIN AT A RATE OF 70 DROPS PER MINUTE REF B737-800 AMM 24-11-00. REPLACED #2 IDG PER AMM 24-11-11, LK AND OPS CK GOOD. ETOPS GROUND VERIFICATION C/W.SDR HALA2019112100281Idg · failedAIRCRAFT 378, ATB RETURNED TO LAX DUE TO NBR 2 ENGINE GENERATOR DROPPED OFF LINE, 1 HOUR INTO FLIGHT. CORRECTIVE ACTION: REPLACED IDG (LP 6776426), AND WIRES IE003R16/B16 AND WIRES 1E002R16/Y16(LP 6776428). LP 6776423SDR SWIA2019112046778Gcu · failedDURING DIVERTION HAD GEN 2 OFF CAUTION MSSG - NO TIME TO RUN QRH. STARTED APU AND LANDED ORD - DECLARED EMERGENCY. UNEVENTFUL LANDING - NO OVERWEIGHT LANDING OR HIGH SPEED STOPPAGE.THIS DISCREPANCY WAS TRANSFERRED TO CAMP ITEM 19898639 WITH THE FOLLOWING CORRESDR UIEA2019111855917Idg · inoperativeLEFT GEN "OFF" WITH LEFT GENERATOR DRIVE, NO VOLTS OR FREQ.(<P>TRANSFERRED TO MDDR 120592 AS PER MEL 24-00-01-01, CAT "B".</P><P>LP 1231422 - M6; PER CUSTOMER REQUEST, REMOVED AND REPLACED #1 ENGINE AIR/OIL COOLER PER AMM 24-11-04. LEAK AND OPS CHECKS SATISFACSDR AALA2019111539016Generator · leakingAIRCRAFT WAS GROUNDED: PILOT REPORTS BAD CHEMICAL ODOR IN CABIN ABOUT 1/2 WAY BACK THROUGH 10,000', SMELL IN COCKPIT WAS LIKE DIRTY SOCKS. MAINTENANCE REMOVED AND REPLACED APU GENERATOR IAW AMM 24-23-51. NO FURTHER LEAKS AT THIS TIME.SDR ASAA2019111511345Idg · failedDURING DECENT THRUST IS AT IDLE APU : #2 IDG OIL TEMP FLASHES AMBER AT 190 C WHEN TRUST ADVANCE TEMP BACK TO GREEN RANGE GROUNDED - YES. R & R #2 IDG IAW AMM 24-21-51 PB 401 OPS CHK GOOD - NO LEAKS NOTED A/C RELEASED FROM MEL 24-20-01 - MDDR 73029 REMOVED MAISDR HALA2019111100477Fault Light · false activationETOPS SIGNIFICANT SYSTEM - ECAM-ELECT GEN 2 FAULT WITH GEN 2 FAULT ON (OVERHEAD). COMPLETED PROCEDURE /RESET GOOD /OK. // CONFIRMED WITH FLIGHT CREW THAT AFTER RESET IDG OPERATED
SUCCESSFULLY FOR THE REMAINING DURATION OF FLIGHT (4HRS). PERFORMED BITESDR FDEA201911082913Gcu · failedAFTER BLOCK IN AND POWER TRANSFER TO GPU NOTICED BURNING ELECTRICAL SMELL. EICAS MESSAGE "L BUS ISOLATED". CIRCUIT BREAKER "BAT 1 R SIDE PNL" IS OUT. REMOVED AND REPLACED LEFT GENERATOR CONTROL UNIT IAW AMM 24-22-02-4. OPS CHECK GOOD. REF WRI 24-00/04SDR HALA2019111100476Idg · failedAIR DIV - ELEC GEN 2 FAULT ECAM ACTIONS COMPLETE GEN 2 OFF. // LAST LEG REPORT IDG 2(E2-4000XU)PMG/GCU 2(1XU2) GCU TEST PASSED. REMOVED AND REPLACED #2 IDG REF A330 AMM 24-21-51. OPS CK NML. NO LEAKS.SDR UIEA2019110805871Warning Message · false activationL GEN DRIVE ADVISORY MESSAGE AFTER ENGINE START. MESSAGE EXTINGUISHED BEFORE COMPLETION OF QRH PROCEDURES. LASTED APPROX 30-45 SECONDS.(<P>SERVICED OIL ON L GEN DRIVE IAW B767 AMM 12-13-03, OPS CHECK OK.</P>)SDR HALA2019110800475Idg · faultedATB - DURING CLIMB OUT 8 MIN AFTER T/O ECAM "GEN 2 FUALT". // PERFORMED EXCITER FIELD RESISTANCE TEST PER TSM 24-20-00. ALL WIRING CHK GOOD. NO SHORT TO GROUND. SWAPPED GCU 1+2 FOR
TROUBLE SHOOTING. FAULT STAYED ON ENG 2. PUT BACK GCU'S IN ORIGINAL POSITIONSDR ASAA2019110861256Generator · inoperativeAPU GENERATOR INOP. GROUNDED - YES. REMOVED AND REPLACED APU STARTER GENERATOR REF B737-900 AMM 49-41-21. OPS CHECK GOOD. CLEARS MEL 24-2B.SDR JJBA20191103003Generator · leakingOIL LEAK ENGINE #2. R&R #2 ENGINE DRIVEN GENERATOR. OPS CHECK SAT. LEAK CHECK SAT. NO DEFECTS NOTED.SDR ASAA2019102931158Idg · leakingFOLLOW-UP TO #1 IDG CONTINUED FREQUENT SERVICING GROUNDED - YES. REMOVED AND REPLACED #1 ENG IDG IAW B737-800 AMM 24-11-11-00. OPERATIONAL TEST #1 IDG OPS TEST GOOD REF AMM 24-11-00-700-802.SDR UIEA2019102985806Idg · underserviced"L GEN DRIVE" EICAS MESSAGE APPEARED MOMENTARILY AFTER LEFT ENG STARTED. (<P>SERVICED IDG AS REQUIRED IAW AMM 12-13-03. CHECKED EICAS FOR MESSAGES, NO MESSAGES ON RECALL. AIRCRAFT OK FOR FURTHER SERVICE. </P>)SDR UIEA2019103195809O-Ring · leakingEVIDENCE OF OIL LEAK COMING FROM #2 IDG.(<P>FOUND IDG NIPPLE AND O-RING LEAKING. REMOVED AND REPLACED NIPPLE AND O-RING. PERFORMED FUNCTIONAL CHECK OF IDG, OPS CHECK OK, REF AMM 24-11-01 AND 24-11-00. SERVICED IDG AS PER AMM 12-13-03. </P>)SDR UIEA2019102855789Idg · failedRIGHT GEN OFF ON TAKEOFF. (<P>REMOVED AND REPLACED RIGHT ENGINE IDG IAW AMM 24-11-01, LEAK AND OPS CHECK GOOD AT THIS TIME. </P>)SDR 2019FA0000351Generator · failedAIRCRAFT 9001 RETURNED FROM FLT 3763 WITH A #1 GEN FAIL. THE NO.1 ENGINE WAS SHUT DOWN AS A PRECAUTION DUE TO PREVIOUS VFG DISINTEGRATION HISTORY, AND RETURNED TO BASE. THE UPON INSPECTION FOUND OIL STREAKS ON THE #1 ENGINE (ESN 12832) COWLS AND FOUND THE #1 VSDR HALA2019101600417Gcu · malfunctionedETOPS SIGNIFICANT SYSTEM - POWER TRANSFER HARSH/ABRUPT WHEN GEN #2 COMES ON/OFFLINE. IE, WHEN ENG 2 IS STARTED AND SHUTS OFF. // INFO NOTED. REMOVED AND REPLACED #2 GCU PER AMM 24-22-34. BITE TEST PASS. RAN #2 ENGINE. NO DEFECTS NOTED. OK FOR SVC.SDR UIEA2019101105702Idg · leakingOIL PUDDLING FOUND ON LEFT ENGINE LWR THRUST REVERSER. FOUND LEAK C FLANGE PLUG (P/N 729198, P/N MS9954-05, P/N M83248-1-905). REMOVED AND REPLACED THE LT IDG IAW IAW AMM 24-11-01, OPS AND LEAK CHECKED GOOD.SDR UIEA2019101105693Generator · failedAPU POWER DID NOT AUTO TRANSFER UPON ENGINE SHUTDOWN. APU POWER DID NOT TRANSFER FROM GPU TO APU. REMOVED AND REPLACED APU GENERATOR IAW AMM 24-21-01, AND TESTED IAW AMM 24-21-01/501. FOUND GOOD, OPS CHECK NORMAL.SDR CALA2019101101733Gcu · malfunctionedDURING FLIGHT, LEFT GENERATOR DROPPED OFF LINE /PLANE JERKED BUT AP WORKED. REF LOG PAGE 3482718, R AND R LEFT ENGINE GCU. LP 3482718- NO RESET ON LEFT GEN, DIVRT TO DEN SINCE NO APU. VERIFIED OIL SVC LEVEL ON #1 ENG IDG, RESET IDG, R AND R ENG GCU, REF AMM 2SDR UIEA2019101185673Idg · unknownOIL LEAK AROUND IDG RING, LEFT ENGINE.(<P>SERVICED IDG IAW AMM 12-13-03 (ENGINE #1). NO LEAKS OBSERVED AND MCC NOTIFIED. </P>)SDR UIEA2019100705667Status Message · false activationLEFT IDG VALVE STATUS MESSAGE. (<P>CLEARED STATUS MESSAGE IAW AMM 31-41-00.</P>)SDR ASAA2019100192863Idg · failedDURING TAXI, NR 1 GEN SOURCE LIGHT ILLUMINATED. RAN QRH SOURCE OFF CHECKLIST. EXTINGUISHED WHEN APU GEN ON BUSS. GROUNDED - YES. REMOVED & REPLACED ENGINE NR 1 IDG IAW AMM 24-11-11.SDR FDEA201909292378Generator · faultedPDIS 658 24-20 1736 29SEP19 MEM OPEN U LOGPAGES:3128610 UPON TAKING RUNWAY WHEN LIGHTS TURNED ON GEN 2 FAULT. FAULT RESET BUT RE-OCCURED WHEN ELECT LOADS APPLIED(LIGHTS AND APU START) MEL 29SEP19 00:00 MEM U RELEASED FOR SERVICE PER MEL :
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