JASC 2420
Service difficulty reports · 1,302
Reports filed under 2420 · AC Generation System, 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 = '2420' 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 = '2420' 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 MWEA040110Generator · inoperativeLEFT GENERATOR FAILED. REMOVED AND REPLACED LEFT GENERATOR.SDR MWEA040105Pcdu · inoperativeRECEIVED ELECTRICAL FAULT, CENTER TRANSMITTER SHOWS 29 VOLTS AND ZERO LOAD. REMOVED AND REPLACED POWER CONVERSION AND DISTRIBUTION UNIT.SDR COMA0460383Stator · malfunctionedFLIGHT 5242 RT ENGINE N2 FLUCTUATIONS. REPLACED THE ALTERNATOR STATOR.SDR MWEA040097Generator · inoperativeAIRCRAFT CROSSTIE LOCKOUT ILLUMINATED WITH LEFT GENERATOR OFF LIGHT. REMOVED AND REPLACED LEFT ENGINE GENERATOR.SDR QXEA200400394Connector · dirtySEA - FLIGHT 2168 - NR 1 AC GENERATOR CAUTION LIGHT ILLUMINATED IN FLIGHT. RESET SWITCH AS PER CHECKLIST. LIGHT THEN WENT OUT FOR REMAINDER OF FLIGHT. CLEANED CONNECTORS ON NR 1 AC GENERATOR. NO PARTS REPLACED. OPERATIONAL CHECKS GOOD. AIRCRAFT RETURNED SDR 2004F00179Idg · failedIN FLIGHT AT CRUISE ALTITUDE GENERATOR NR 1 TRIPPED OFF LINE. GENERATOR NR 2 ABSORBED ELECTRICAL LOAD AND REMAINED WITHING NORMAL PARAMETERS. AIRCRAFT WAS DIVERTED TO CYUL FOR MAINTENANCE. NR 1 IDG WAS REPLACED WITH A REPAIRED UNIT. (M)SDR AALA20040635Generator · defectiveRIGHT GENERATOR FAILED. REPLACED RIGHT GENERATOR CONTROL UNIT. SYSTEM GROUND CHECKED NORMAL OPERATION.SDR QXEA200400391Generator · failedPSC - FLIGHT 2096 - AIRCRAFT RETURNED TO FIELD, NR 1 AC GENERATOR CAUTION LIGHT ILLUMINATED. CAUTION LIGHT WOULD NOT EXTINGUISH UNTIL AUXILLARY PUMPS AND STANDBY PUMPS WERE TURNED OFF. LEFT TRU LIGHT ALSO ILLUMINATED. AIRCRAFT LANDED SAFELY. REMOVED AND RESDR 2004FA0000510Alternator · detachedPILOT REPORTED HE THOUGHT ALTERNATOR THREW THE BELT. REMOVED THE COWLING, FOUND ALTERNATOR LYING IN ENGINE COMPARTMENT, WIRING INTACT, COOLING FINS TORN OFF BELT PULLEY, BELT SHREDDD. AN7-40A MOUNTING BOLT NOT FOUND. BELT ADJUSTMENT BRACKET AN5 ATTACH BOLT SDR GTIA040635Csd · overtempNR 2 CSD WENT TO YELLOW STARTED APU DISCONNECTED CSD IN FLT. UNSCHEDULED CHANGE OF A/C EN ROUTE. (M)SDR UPS04542421Filter · contaminatedDESCENDING THROUGH 250, LT GEN OFF LIGHT CAME ON. THEN LT & RT BUSS OFF LIGHTS ILLUMINATED WITH SUBSEQUENT LOSS OF ALL INSTRUMENTS. FOUND CONTAMINATION IN BOTH IDG FILTERS. REPLACED BOTH LEFT AND RIGHT IDG AND OPS CHECKED NORMAL. P/N OFF 729825E, S/N OFF CSDR AMTA200400570Idg · disconnectedGEN DRIVE AND DRIVE WARNING LIGHT FLICKERS. IDG WAS DISCONNECTED. REMOVED AND REPLACED NR 1 ENG IDG IAW M57-24-01.SDR UPS04842378Control Panel · failedN/A DURING TAXI OUR AND JUST BEFORE TAKEOFF, WE GOT A BUSS POWER FAIL LIGHT AND NR 4 GEN UNPARRALLED LIGHT ON. SMOKE BEGAN TO ACCUMULATE IN THE COCKPIT. TAXIED BACK TO RAMP. FOUND NR 4 GCP TO HAVE A HARD FAILURE. SUSPECT NR 4 GCP AS CAUSE OF SMOKE. RAN A/C PNSDR AUS20040388Generator · failed(AUS) APU GENERATOR FAILED.SDR MWEA040069Generator · inoperativeLEFT GENERATOR LIGHT CAME ON, WAS ABLE TO RESET LEFT GENERATOR, THEN FOURTY-FIVE MINUTES LATER LEFT GENERATOR LIGHT CAME ON AGAIN, STARTED AUXILIARY POWER UNIT, BUT UNABLE TO POWER LEFT SIDE OF ELECTRICAL POWER SYSTEM. REMOVED AND REPLACED GENERATOR CONTROL SDR MALA040385Generator · failedDURING TAXI OUT, LT AC GEN FAILED TO COME ON LINE. PAX REPORTED SMOKE AND FLAMES EXIT A/C OF EXHAUST HOLE. A/C RETURNED TO GATE. MAINTENANCE REPLACED LT AC GEN. ALL CHECKS GOOD DONE IAW SF340MM CHAP 24.SDR LO62004F00000Generator · inoperativeLEFT AC GENERATOR OPERATION INTERMITTENT AND UNSTEADY IAW VOLTMETER. REPLACED GEN WITH OVERHAULED UNIT.SDR MASA200400244Idg · malfunctionedCREW REJECTED THE TAKEOFF DUE TO AN IDG 1 CAUTION DURING TAKEOFF. CONTRACT MX WAS CONTACTED AND PERFORMED THE REQUIRED MAINTENANCE ACTION TO DEFER THE IDG AND AIRCRAFT TIME OF DISCONNECT WAS ENTERED INTO THE IDG LOG. MX SERVICED & RESET IDG. OPS CHECKED GOOSDR ASMF200404022Csd · failedAIRCRAFT RETURNED OF FLIGHT AS A CONSEQUENCE OF LT GENERATOR LIGHT TURNED ON AND CSD WAS OUT OF SERVICE. ENGINE WAS SHUTDOWN TO ENGAGED CSD. THE CONTROL BOX WAS RESET AND ENGINE WAS STARTED WITH SWITCH ON "RESET" POSITION WITHOUT VOLTAGE AND FREQUENCY INDICATISDR CA040430004Alternator · failed(CAN) AFTER OVERHAUL WAS CONDUCTED, BEARINGS REF X-4130 AND X-4612 WERE NON-APPROVED PARTS.SDR CA040427001Generator · lightning strike(CAN) ON APPROACH, AIRCRAFT WAS STRUCK BY LIGHTENING . BOTH DC GENERATORS WENT OFF LINE AND RESET IAW QUICK REFERENCE HAND BOOK (QRH) . LIGHTENING ENTERED AT NOSE GEAR DOOR AND EXITED AT TAIL CONE AND THE TAIL SKID . LIGHTENING STRIKE INSPECTION CARRIED OUT BSDR USAABA04007Gcu · faultyPHL - FLT 196 - EN ROUTE PHKL-MAN, THE RIGHT IDG BECAME INOPERATIVE. THE PAU WAS STARTED, HOWEVER IT WAS REPORTED THAT THE ELECTRICAL SYSTEM WAS UNSTABLE. THE FCU HEADING FROZE AND NEW HEADINGS WERE NOT ACCEPTED BY THE AUTOPILOTS NOR THE FLIGHT DIRECTOR. INSDR DXTA200400297Circuit Board · failedDURING FLIGHT THE RIGHT GENERATOR FAILED AFTER TAKEOFF, GENERATOR SWITCH REMAINED CLOSED. GENERATOR VOLT METER INDICATED 0 VOLTS, ACCOMPLISHED AIR TURN BACK AND LANDED OVERWEIGHT. - REMOVED AND REPLACED NR 2 ALTERNATOR PRINTED CIRCUIT BOARD (524PCZ) IAW FALCONSDR HEEA094229Generator · inoperativeON SHORT FINAL TO GC-158, THE NR 1 GENERATOR KICKED OFF LINE, HAD LIGHT SMOKE IN THE CABIN, AND SEVERAL CIRCUIT BREAKERS POPPED. FOUND SEVERAL CHAFED WIRES AT THE TOP OF THE WINDSHIELD CENTER POST WHERE THE BUNDLE SPLITS TO GO THE CIRCUIT BREAKER PANEL.SDR MALA040320Gcu · failedLEFT DC GEN CAUTION LIGHT ON INTERMITANTLY RESETS AFTER 10-15 SECONDS. AIR RETURN TO MSP. REMOVED AND REPLACED LEFT AC GEN GCU DUE TO DISCREPANCY IN COMMUNICATION WITH MXC/MX AND FLT CREW. P/N 51634-002, S/N OFF 97035, S/N ON 97031 IAW AMM 24-20-10-2. REMOSDR 2004UALA00308Static Inverter · overheatedSTATIC INVERTER OVER-TEMPED IN FORWARD LOWER NOSE COMPARTMENT. STATIC INVERTER WAS REMOVED AND REPLACED. REMOVED UNIT SHIPPED TO MANUFACTURER TO DETERMINE ROOT CAUSE OF FAILURE.SDR XNOA1181Generator · inoperativeAT PUSHBACK IN SCK NR 2 GEN NO VOLT'S AND FREQ'S. SHUT DOWN ENG AND RETURNED TO THE GATE. R&R NR 2 GENERATOR CONTROL UNIT IAW A300 AMM 24-21-12 OPS CHECK GOOD. (STATUS:SUPP/CLOSED)SDR MALA040285Generator · failedLEFT INTAKE LIGHT CYCLED DURING FLIGHT. MX REPLACED AC GEN P/N 31342-001, S/N ON 92009. ALL CHECKS GOOD OF INTAKE HEAT AND GEN.SDR DLM90040265Generator · brokenLT GEN FAILED IN CLIMB WITH GEN OFF, LIGHT ILLUMINATED. RESET ONCE UNSUCCESSFUL. VERBAL FROM CREW VIBRATION FELT IN A/C AND YOKE. FOUND GENERATOR BROKEN IN 2 PIECES WITH GEARBOX CONTAMINATED WITH METAL MATERIAL. WILL REQUIRE ENGINE REPLACEMENT.SDR MWEA040029Generator · false indicationGENERATOR FAILED APU STARTED AND POWER BUSSES NORMAL, STATUS PAGE SHOWS LEVEL TWO ALERTS THAT ARE PRESENT. PERFORMED FIM 24-20-801, NO FAULTS FOUND.SDR DLM88040242Generator · failedDURING T/O RIGHT GENERATOR FAILED, ACCOMPANIED BY AC CROSSTIE LOCKOUT. REPLACED RT GENERATOR AND CSD.SDR DL73S040241Csd · failedON TAKEOFF RT GEN LOW OIL PRESS LIGHT ON WITH GEN DROPPING OFF LINE WITH APU POWERING LEFT BUS DUE TO MCO ON LEFT GEN. AFTER FIVE MINUTES LOW OIL PRESSURE LIGHT OUT AND RIGHT GEN BACK ON RIGHT BUS, FREQS LOW AT 390, RIGHT GEN FELL OFF BUS AGAIN FOR REMAINDER SDR CX7A194J0417Generator · failedAFTER T/O LEFT AC GENERATOR LIGHT ILLUMINATED UNABLE TO RESET.SDR DLM88040226Csd · malfunctionedTEN MINUTES INTO FLT GOT LT GEN OFF MSG. LEFT CSD TEMP WAS RISING THRU YELLOW AND RED ARC. REPLACED LT ENGINE CSD AND GENERATOR.SDR 2004UALA00204Idg · failedLEFT GENERATOR CONTROL OFF LIGHT AND EICAS MESSAGE CAME ON. THREE ATTEMPTS TO START THE APU WERE UNSUCCESSFUL. REPLACED THE LEFT IDG.ONE PISTON IN THE HYDRAULIC UNIT FAILED CONTAMINATING THE IDG WITH METAL SHAVINGS.SDR CA040329003Generator · loose(CAN) GENERATOR WAS FOUND TO BE LOOSE AND SLOPPY. UPON REMOVAL IT WAS DISCOVERED THAT FRONT LUG HOLE HAD BEEN PREVIOUSLY DRILLED AND BUSHED. BOTH GEN MOUNTING LUG HOLES WERE SEVERELY WORN AND ELONGATED, BOLTS WORN, AND BUSHING WORN WITHIN .1250 INCH OF SIDE OSDR 2004UALA00176Idg · malfunctionedRIGHT GEN EICAS MSG, DISCONNECTED RIGHT GEN AND STARTED APU. CREW OBSERVED EICAS ADVISORY MSG, ELECT GEN DRIVE R, WITH MAINT MSG (LOW FREQ & LOW OIL PRESS), WHICH ILLUMINATED GEN DRIVE LIGHT. DISCONNECTED IDG. SHOP RECORDS INDICATED OVERHAUL 4/02. ON-WING ISDR CA040301003Drive Shaft · sheared(CAN) ON RETURN FLIGHT, THE FLIGHT CREW HAD A GEN 2 FAILURE SO DECREASED ELECTRICAL LOAD AND CONTINUED TO MAINTENANCE BASE. MAINTENANCE REMOVED THE GEN 2 AND INSPECTED IT FOR ANY FAULTS. A REPLACEMENT GENERATOR WAS BEING INSTALLED WHEN IT WAS NOTICED THAT THSDR 2004UALA00162Hose · leakingRETURNED TO ORD WITH A NR 1 CSD OIL PRESSURE LIGHT. FOUND FLEX LINE FROM CSD SERVICE PORT TO TEE FITTING ON CSD LEAKING AT FITTING. REPLACED FLEX LI NE. AS PRECAUTIONARY, REPLACED CSD AND GEN.SDR MEX2004069Relay · failedAIRCRAFT RETURNED TO GATE, RIGHT GENERATOR FAILED. WHEN GENERATOR WAS SHUTDOWN THE FREQUENCY AND VOLTAGE WERE CORRECT, BUT WHEN SWITCH WAS IN 'ON' POSITION THE GENERATOR FAILED. THE GENERATOR WAS DEFERRED IAW MEL 24-1. CAPTAIN REQUEST RIGHT CSD INOPERATIVE SDR MEX2004068Gcu · failedFLT 909 - MTY-MEX - AIRCRAFT RETURNED TO PLATFORM AS A CONSEQUENCE OF RIGHT ENGINE GENERATOR FAIL. THE APU WAS DEFERRED PREVIOUSLY SO THE GCU AND BCU WERE REPLACED BUT FAIL CHANGE TO LT ENGINE INDICATION. APU TRIM WAS ACCOMPLISHED AND IT WAS OPERATIVE. THE SDR DLM88040157Generator · inoperativeON TAKEOFF ROLL AFTER AUTO THROTTLES ENGAGED LEFT GENERATOR CAUSED ELECTRICS TO FLUCUATE AND DISENGAGE AUTO THROTTLES ABORT AT 20-30 KNOTS ACCOMPLISHED. WORKING MCO LEFT CSD LOW PRESSURE LIGHT. RAN ENGINE AND FOUND LEFT CSD BAD. CHANGED MEL TO 24-00-01A. CSDR QXEA200400145Generator · failedMFR - ON FLIGHT 2083 IMMEDIATELY AFTER TAKEOFF, NR 2 AC GENERATOR CAUTION LIGHT ILLUMINATED. COMPLIED WITH EMERGENCY/ABNORMAL CHECKLIST AND CYCLED NR 2 AC GENERATOR SWITCH OFF, THEN ON. NO CHANGES NOTED. NR 2 AC GENERATOR CAUTION LIGHT IS STILL ILLUMINATED.SDR DLM88040150Meter · failedAC CROSSTIE LOCKOUT LIGHT ON. LT GEN LOAD FLUC FROM .4 TO.6, RT GEN VOLTS FREQ OK BUT LOAD AT ZERO. WHEN RT GEN RESET LOST ALL ELEC PWR MOMENTARILY. RT GEN BACK TO OFF AND THEN LT GEN PICKED UP LOAD OK. REPLACED LOAD METER.SDR 04FDEA00393Generator · malfunctionedDURING CLIMBOUT LIGHTS FLICKERED ON & OFF, A/P CYCLED. ALL GEN LOADS VARIED FROM 18 KW TO 30 KW, SIMULTANEOUSLY APPROX 1/2 SEC IN DURATION. GEN VOLT STEADY; FREQUENCY SPIKED WITH GEN SPIKES. INITIALLY OCCURRED AT HIGH POWER SETTINGS. STABILIZED ON POWER RESDR 2004FA0000225Housing · brokenDURING ROUTINE INSPECTION, LOWER FRONT ATTACHMENT EAR FOR ALTERNATOR WAS FOUND TO BE CRACKED THROUGH AND BROKEN. PROBABLE CAUSE IS VIBRATION, POOR MFG OR MATERIAL FAILURE. NO RECOMMENDATIONS AT THIS TIME.SDR COMA0460117Idg · lack of lubeFLIGHT 5111 NR 2 IDG AND GENERATOR CAUTION. SERVICED THE RT IDG WITH OIL TO PROPER LEVEL. OPERATION CHECK NORMAL.SDR 002841Warning Light · illuminatedON 01-27-04, APPROX 1230 (UTC), FLT 4597 TOL-PIT. THE CREW EXPERIENCED AN AC GENERATOR FAIL LIGHT FOR THE RIGHT AC GENERATOR. WEATHER NOT PERMITTING THE FLIGHT TO CONTINUE, THE AIRCRAFT RETURNED TO TOL.SDR GAIA04003OPGenerator · malfunctionedFLT 734 - FWA-DFW - DURING CLIMB, THE FLIGHT CREW NOTICED ELECTRICAL SPIKING ON THE NR 1 AND NR 2 GENERATORS AND THAT THE LIGHTS AND THE RADAR WERE FLICKERING. THE AIRCRAFT RETURNED TO FWA AND MADE AN OVERWEIGHT LANDING WITHOUT INCIDENT. (M)SDR QXEA200400043Generator · failedPDX- ON FLIGHT 2223 NR 1 AC GENERATOR LIGHT ILLUMINATED IN FLIGHT. RAN CHECKLIST AND LIGHT STAYED ILLUMINATED. REMOVED AND REPLACED NR 1 AC GENERATOR AND NR 1 GENERATOR CONTROL UNIT. OPERATIONAL CHECKS GOOD. AIRCRAFT RETURNED TO SERVICE.
Back to JASC 2420