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 RJEF20180814001Warning Message · illuminatedDURING TAXI THE PILOT REPORTED A IDG 2 OFF BUSS, AND AN IDG 2 OIL WARNINGS, THE IDG WAS DISCONNECTED IAW CHECKLIST.SDR ASAA201808135743Cooler · leakingNR 2 IDG FREQUENT SERVICING, ACFT GROUNDED. FOUND EVIDENCE OF IDG AIR/OIL COOLER LEAKING INTERNALLY, REMOVED AND REPLACED THE NR 2 IDG AIR/OIL COOLER IAW AMM 24-11-21, OPS & LEAK CHECKED GOOD, NO OTHER DEFECTS NOTED.SDR AALA2018081439025Generator · leakingCABIN FILLED WITH AN ODOR LIKE OIL, RELATED BURNING EYES, LIGHT HEADED, CREW MEMBERS. CLEARED WITH A/C OFF AND BLOWER / EXTRACT OFF. APU GENERATOR LEAKING OIL AT TOP BOLT NEXT TO LEADS. REPLACED APU GENERATOR IAW AMM 24-23-5,1 NO LEAKS.SDR QXEA2018081300289Generator · malfunctionedNR 2 AC GENERATOR CAUTION ILLUMINATED ON TAKEOFF ROLL. ATTEMPTED THE RESET PROCEDURE IAW CHECKLIST AND RESET FAILED. REMOVED FROM SERVICE. INTERROGATED EPCU AND FOUND CODE 28. REMOVED AND REPLACED THE NR 2 AC GCU FOR TROUBLESHOOTING IAW AMM 24-21-06-000-80SDR UIEA2018081301675Idg · lowLEFT IDG VALVE STATUS MESSAGE. SERVICED LEFT IDG IAW MM CH 12-13-03. SYSTEM CK'S GOOD DURING ENGINE MX RUN PER MM CH 24-11-00.SDR AALA201808159033Generator · failedCLIMBING THORUGH FLIGHT 280, THE ELECTRICAL SYSTEM STARTED FLASHING ON AND OFF. ALL THE CAPTAINS INSTRUMENTS BEGAN FLASHING. AUTOPILOT AND AUTO THROTTLE DISCONNECTED. LEFT GENERATOR FAIL LIGHT CAME ILLUMINATED. CENTER FUEL PRESSURE LOW LIGHT. DID NOT GET AC X SDR AALA20180808015Csd · failedTHE AIRCRAFT WAS GROUNDED. CLIMBING THORUGH FLIGHT 280, THE ELECTRICAL SYSTEM STARTED FLASHING ON AND OFF. ALL THE CAPTAINS INSTRUMENTS BEGAN FLASHING. AUTOPILOT AND AUTO THROTTLE DISCONNECTED. LEFT GENERATOR FAIL LIGHT CAME ILLUMINATED. CENTER FUEL PRESSURE LSDR ASAA2018080855699Idg · failedDURING CLIMB AT FL250, THE NR 1 ENGINE DRIVEN GENERATOR DISCONNECTED AND A SOURCE LIGHT ILLUMINATED WITH A MASTER COUTION LIGHT ELEC ALSO ILLUMINATED. ATTEMPTED TO RESET THE GENERATOR IT DID NOT RE-POWER THE SOURCE LIGHT. APU WAS STARTED AND IT DID EXTINGUISDR DJFA201808062001Generator · malfunctionedNR 2 GENERATOR SPIKED TO 990 AMPS, SHED AIR CONDITIONER, AMPS WENT TO 100, AFTER 3 MINUTES THE GENERATOR SPIKED TO 990 AMPS, SHED THE RT WINDSCREEN, AMPS WENT TO 90 AMPS. AFTER 30 MINS CLOSE TO LANDING, AMPS SPIKED TO 800 AMPS, SHED THE RT GENERATOR, SDR QXEA2018073100271Generator · malfunctionedNR 2 AC GEN CAUTION ILLUMINATED AFTER ADDING TAKEOFF POWER AIRSPEED <50KTS. ABORTED TAKEOFF. REMOVED FROM SERVICE. REPLACED NR 2 AC GEN OPS & LEAK CHECKED GOOD. RETURNED TO SERVICE.SDR SWIA2018073044907Warning System · activatedIDG1 CAUTION MESSAGE IN FLIGHT. RUN QRH, RETURN TO DTW. DECLARED EMERGENCY. LANDED WITHOUT INCIDENT. (FLT 4282) FO:07/27/2018 CLOSED DEFERRED IAW AMM.SDR AALA2018073079034Generator · faultedWHEN CENTERLINE WAS EXTENDED ON APU, THE RIGHT SOURCE OFF LIGHT ILLUMINATED. FOLLOWED QRH PROCEDURES. UNABLE TO GET APU GENERATOR TO POWER RIGHT SIDE. IAW AMM 24-21-00-501, 700-803 AND 700-802 VERIFIED POWER TRANSFERS SYSTEMS TO BE WORKING, BETWEEN NR 1 IDSDR ASAA2018073025535Idg · failedAFTER NR 2 ENG START, GEN NR 2 WOULD NOT COME ONLINE. GROUNDED - YES. REMOVED AND REPLACED NR 2 ENG IDG REF AMM 24-11-11. OPS CHECK GOOD REF AMM 24-11-00-700-803.SDR RAIA2018072410001Generator · malfunctionedGEN 3 OFF BUSS EICAS MESSAGE. R&R NR 3 ENG GEN OPS CHECK GOOD AT THIS TIME.SDR FDEA201807201793Gcu · inoperativeGEN 1 FAULTED ON TAKEOFF ROLL, RESET WAS GOOD AFTER CLEARING RUNWAY. GEN NR 1 INOP. APU GEN MUST BE USED TO POWER AFFECTED BUS THROUGHOUT FLIGHT. REMOVED AND REPLACED #1 GENERATOR CONTROL UNIT 1XU IAW AMM 24-22-12-04. OPS CHECSDR AALA201807239020Idg · inoperativeAIRCRAFT WAS GROUNDED. DFW-BZN DIVERTED DEN ACCOUNT DUAL GENERATOR FAILURE AND ON APU POWER. AN EMERGENCY WAS DECLARED. FLIGHT LANDED WITHOUT INCIDENT. BOTH BUS TRANSFER/SOURCE LIGHTS ILLUMINATED. LOST MOST SYSTEMS INCLUDING PRESSURIZATION. STARTED APU, RESTORSDR UIEA2018072001520Relay · failedLT IDG VALVE. SERVICED BOTH IDG TO FULL IAW AMM 12-13-03. PERFORMED FIM 24-20-FT 802 REMOVED AND REPLACED RELAY IAW SWPM 20-81-11 K468. NO FAULTS NOTED AT THIS TIME.SDR AALA2018072549046Generator · faultyDURING CLIMB, LT CSD RED, DISCONNECTED CSD IAW QRH. VOLT FREQUENCY 0 PRIOR TO DISCONNECT. AN ATTEMPT WAS MADE TO START THE APU, BUT APU DID NOT START IN FLIGHT, SEVERAL ATTEMPTS WERE MADE. RETURNED TO DEPARTURE, THE AIRCRAFT WAS GROUNDED. APU STARTED FINESDR ASAA2018072325496Generator · failedAIRSTART AND GPU REQ'D, FOUND OIL LEAKING FROM APU GEN DURING CHECK OF APU COMP. ON RMA -00296 GROUNDED - YES. R&R APU GENERATOR, OPS + LEAK CHK GOOD PER AMM 24-23-51.SDR Q5QA201807131006Drive Coupling · wornDURING A ROUTINE INSPECTION OF THE ALTERNATOR DRIVE HUB, THE INSPECTOR NOTED THE CASTELLATED NUT RETAINING THE DRIVE HUB WAS LOOSE (THE COTTER PIN THROUGH THE CASTELLATED NUT WAS STILL IN PLACE). INSPECTION AFTER REMOVAL OF THE DRIVE HUB ASSEMBLY DISCLOSED EXSDR ASAA2018071625400Oil Cooler · leakingFOLLOW-UP TO NR 1 IDG FREQUENT SERVICING GROUNDED - YES. ACCOMPLISHED STATIC IDG LEAK CHECK REF AMM 24-11-00, NO DEFECTS NOTED. ACCOMPLISHED ENGINE IDLE LEAK CHECK REF AMM 2411-00, FOUND LEAK AT AIR/OIL COOLER. REPLACED NR 1 ENGINE IDG AIR/OIL COOLER REF AMM SDR UIEA2018070401336Idg · malfunctionedRT GEN OFF EICAS MESSAGE AFTER ENG START. WOULD NOT RESET. REMOVED AND REPLACED ENGINE NR 2 IDG IAW AMM 24-11-01. OPS CHECK AND LEAK CHECK NORMAL AT THIS TIME.SDR ASAA2018070225241Idg · failedNR 1 DRIVE LIGHT NOT ILLUMINATED WITH ENGINE SHUT DOWN. GROUNDED - YES. PERFORMED FIM 24-11 TASK 804, CHANGE PRESSURE SWITCH RESISTANCE OUT OF LIMITS, REQUIRES IDG CHANGE. REMOVED AND REPLACED IDG REF AMM 24-11-11. OPS CHECK GOOD.SDR AALA20180628017Generator · failedAIRCRAFT WAS GROUNDED. ON TAKE OFF FROM SAT NR 1 ENGINE GENERATOR DROPPED OFFLINE. CHECKLIST RAN AND RESET ATTEMPTED BUT UNSUCCESSFUL. EMERGENCY DECLARED AND AC DIVERTED TO AUS. LANDED WITHOUT INCIDENT, FLIGHT CHANGED EQUIPMENT AND CONTINUED. REPLACED LEFT ENSDR AALA201806252004Gcu · damagedSHORTLY AFTER LIFT OFF AT 35,000 FT, THE NR 2 AUTOPILOT DISENGAGED, FOLLOWED BY THE NR 2 SOURCE OFF LIGHT ILLUMINATION, FOLLOWED BY NR 2 DRIVE LIGHT ILLUMINATION. EMERGENCY DECLARED DUE TO AN ACRID ODOR IN COCKPIT AND CABIN. LANDED APPROXITMATELY 20 MINUTESDR AALA20180618002Idg · failedAIRCRAFT WAS GROUNDED: AFTER TAKEOFF, RIGHT HAND ENGINE GENERATOR FAILED AND ACCOUNT ELECTRICAL ISSUE. EMERGENCY DECLARED, AIRCRAFT LANDED OVERWEIGHT WITHOUT FURTHER INCIDENT. MAINTENANCE TROUBLE SHOT RIGHT ENGINE INTEGRATED DRIVE GENERATOR PER FIM 24-20-00-81SDR FDEA201806151498Idg · failedACFT ELECTRICAL SYSTEM WENT IRRADIC, COCKPIT LIGHTS BEGAN FLICKERING, LOWER EICAS WENT BLACK. NUMEROUS EICAS MESSAGES ENSUED BUT MAIN ONES REMAINED. EVERYTHING CAME BACK ON WHEN THE RIGHT ENGINE WAS SHUTDOWN. REMOVED AND REPLACED THE RIGHT ENGINE IDG IAW SDR 7GMB201806151Generator · faultyTHE CREW REPORTED THAT GENERATORS NR 2 AND NR 4 SHOWED ERRATIC LOAD SHARING ACCOMPANIED WITH CLICKING NOISES DURING CRUISE. PER MEL 24-31-01-2 (M) PROCEDURE, MX DETERMINED NR 2 GENERATOR IS FAULTY. REMOVED AND REPLACED NR 2 GENERATOR. OPS CHECK PASSED. THE AIRSDR ASAA2018061425220Idg · unknownFOLLOW-UP TO NR 1 IDG CONTINUED FREQUENT SERVICING. GROUNDED - YES. NR 1 IDG OIL LEVEL WAS JUST BELOW ADD MARK. CLEANED/INSP IDG AND ASSOCIATED PLUMBING. NO LEAKS. PERFORMED STATIC LEAK TEST PER AMM 4-11-00-700-801. PRESSURE STABLE AT 25 PSI FOR OVER 1 HOUR. RSDR 7GMB201806150001Generator · inoperativeGEN 4 OFF BUS EICAS MESSAGE WAS DISPLAYED DURING CRUISE. REPLACED NR 4 GENERATOR WITH OVERHAULED ONE. OPS CHECK GOOD. AIRCRAFT WAS RETURN TO SERVICE. THE REMOVED S/N Y10699 HAD A HISTORY OF SHORT SERVICE LIFE PER THE 8130 FROM REPAIR SHOP.SDR UIEA2018061101125Valve · damagedNR 1 ENG IDG HEAT EXCHANER AIR/SHUT OFF VALVE WAS FOUND TO HAVE DAMAGED THREADS IN THE FILTER PORT. R&R NR 1 ENG IDG HEAT EXCHANGERS AIR/SHUTOFF VALVE AMM 24-11-07 OP/LK CHECK SATISFACTORY IAW AMM 71-00-00/NO DEFECT NOTED.SDR ASAA2018060754930Idg · failedDURING CRUISE, FL370, THE NR 2 DRIVE LIGHT ILLUMINATED. STARTED APU, CONNECTED TO THE NR 2 GENERATOR IAW QRH. SYSTEMS OPERATED NORMALLY ON APU, NR 1 GENERATOR POWER. ACFT GROUNDED. REMOVED & REPLACED THE NR 2 IDG IAW AMM 24-11-11. COMPLIED WITH THE IDG UNSSDR RU3A20180530024Warning System · activatedDURING LANDING GEAR EXTENSION, RIGHT GENERATOR INOP LIGHT ILLUMINATED.SDR AALA2018060719003Idg · faultedCLIMBING OUT OF 13000 FEET, HAD A GENERATOR 1 FAULT AND FAC I FAULT. THE AIRCRAFT WAS GROUNDED. REPLACED THE INTEGRATED DRIVE GENERATOR IAW AMM 24-21-51. OPS CHECKED GOOD.SDR UIEA201805300991Status Message · false activationRIGHT IDG VALVE STATUS MESSAGE. PERFORMED A BPCU BITE TEST IAW FIM 24-20 FT 802 , IDG HIGH DELAT TEMP FAULT. SERVICED THE RT IDG, .5 QT IAW AMM 12-13-03. RAN ENGINE IAW AMM 71-00-00, NO FAULTS NOTED.SDR GTIA2018052702666Generator · leakingF/A REPORT A STRONG SMELL OF DIRTY SOCKS IN THE MIDLE OF THE CABIN. THE SMELL IS GONE AFTER THE APU BLEED TURNED OFF. PERFORMED TSM 05-50-00-810-831, FOUND APU GENERATOR GENERATOR LEAKING. PERFORMED DECONTAMINATION OF THE ECS IAW AMM 21-00-00. NO SMELL NOTSDR UIEA201805290964Filter · not reportedSTATUS MESSAGE FOR THE RT IDG VALVE. REMOVED AND REPLACED THE IDG AIR SHUTOFF VALVE FILTER IAW MM 24-11-07, OPS CHECKED OK.SDR AWKA2018060101Gcu · failedAT FL450, FLIGHT CREW NOTED THE LT BATTERY VOLTAGE WAS AMBER AND INDICATING BETWEEN 30V AND 31V AND FLUCTUATING, ALSO NOTED BATTERY TEMPERATURE ON THE LEFT WAS SLIGHTLY HIGHER THAN THE RIGHT AND WAS SLOWLY INCREASING, ALL OTHER INDICATIONS WERE NORMAL. CREW RSDR ASAA2018052224746Idg · failedNR 1 DRIVE LIGHT ILLUMINATED IN FLIGHT FL 350 WITH NR 1 SOURCE OFF CAUTION ALSO ILLUMINATED. GROUNDED - YES. AFTER MEL 24-1B CONFIGURATION CHANGES REVERSED AND WITH ENGINE RUN, IDG DRIVE LIGHT, REMAINS ILLUMINATED AT ENG IDLE AND NO VOLTS OR FREQS ON P5-13 OVESDR UIEA2018052280913Generator · malfunctionedDESENDING THROUGH 18000 FEET, LOST RIGHT GENERATOR, RAN QRH FOR RT AC BUSS OFF, RESET GEN & ISOLATION BUSS TIE, NO ANOMOLIES AFTER RESET. SERVICED THE RT IDG IAW AMM 12-13-03 , PERFORMED BPCU BITE PROCEDURE, NO FAULTS NOTED IAW FIM 24-20 FT 801 IAW MX OPERASDR ASAA2018052184711Idg · failedCREW WHEN MOVING FLAPS TO POS 2 GENERATOR 1 TRIPPED OFF. ACFT GROUNDED. R & R NR 1 IDG IAW AMM 24-21-51.SDR ASAA201805184665Fault Message · false activationNR 1 GENERATOR FAULT CAUTION MESSAGE IN FLIGHT AND ON GROUND. ACFT GROUNDED. PERFORMED AN ENGINE RUN IAW AMM 71-00-00, AND TESTED THE NR 1 GCU IAW AMM 24-22-00. NO FAULTS NOTED ON THE GROUNDSDR ASAA201805164643Idg · failedDURING FINAL, AUTOPILOT DISENGAGED FOLLOWED BY MASTER CAUTION ELEC SOURCE OFF, NR 1 ENG ILLUMINATED. RAN QRN 6,9 --> STARTED APU GEN SWITCH ON NR 1. CONTINUED NORMAL APPROACH & LANDING. ACFT GROUNDED. INITIAL EVALUATION IDG FAULT ON GCU 28743. SWAPPED NR 1 SDR UIEA2018051400893Idg · inoperativeRIGHT IDG INOPERATIVE. REMOVED AND REPLACED THE IDG IAW AMM 24-11-01, AND AMM 24-22-02.SDR HALA2018051600233Idg · faultedNR 2 GENERATOR FAULTED. AIR TURNBACK. REMOVED AND REPLACED THE RIGHT IDG IAW AMM 24-21-51, OPS AND LEAK CHECKED OK. OK FOR SERVICE.SDR UIEA2018051300887Idg · malfunctionedRIGHT GENERATOR OFF EICAS MESSAGE ILLUMINATED 2 TIMES. COMPLIED WITH QRH. RTO DUE TO R ENGINE OFF. LOW SPEED. R&R RT GCU PER AMM 24-22-02 NO HELP. REMOVED AND REPLACED RT END IDG IAW AMM CH 24-11-01 ENG RUN AND OPS CHECK NORMAL IAW AMM CH 24-11-00. NO LEAKS.SDR DALA2018050903193Idg · failedATB- RETURNED TO SEA DUE TO THE LEFT IDG DRIVE LIGHT ILLUMINATED AND UNABLE TO CONTINUE INTO ETOPS TO OGG. REPLACED NR 1 IDG PER AMM. OPS NORMAL. BPCU BITE NO FAULTS PRESENT.SDR P5CA2018050170067Idg · inoperativeRIGHT GENERATOR OFF. REMOVED AND REPLACED THE RT IDG IAW AMM 24-11-01. OPS AND LEAK CHECKED GOOD,SDR UIEA2018042700813Idg · inoperativeNR 2 GENERATOR INOPERATIVE EICAS MESSGAE, NO RESET. NNC COMPLETE. REMOVED AND REPLACED THE IDG IAW AMM 24-11-01. PERFORMED A LEAK AND OPS CHECK IAW AMM 24-11-0.SDR UIEA201805010807Idg · failedRIGHT GENERATOR DRIVE EICAS MESSAGE WHEN GOING TO IDLE FOR DESCENT. REMOVED AND REPLACED THE NR 2 ENG IDG IAW AMM 24-11-01-404-024, OPS AND LEAK CHECKED SATISFACTORY.
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