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 GTIA030485Generator · failedSELECTED EMERGENCY POWER AFTER LEFT GEN FAIL. CAPTAINS ATTITUDE FLAGS IN VIEW AND UNPOWERED EMER AC AND EMG DC ANNUNCIATOR LIGHTS REMAINED OUT AND ALL INDICATIONS WERE BUSSES POURED FOR EMERGENCY AC AND DC. PERFORMED OPS CHECKS ON EMERGENCY POWER SYSTEM, NO SDR HNAA0300029Generator · failedTAKE-OFF ABORTED DUE TO NR 1 AC GENERATOR CAUTION LIGHT ILLUMINATING. REMOVED AND REPLACED NR 1 AC GENERATOR.SDR DHL2003753004Volt Regulator · failedREJECTED T/O, 10 KTS, 132,500 GW., 21 C, & 880 PRESS ALT. THIS WAS NOT AN HIGH ENERGY STOP PER MX. MULTI-LIGHT TRIP OFF OF NR 3 GEN WITH BUSS TIE BREAKERS TRIPPING OFF. OVER EXCITATION ON NR 1 GEN. OVER EXCITATION ON NR 2 GSU, UNDER EXCITATION ON NR 3 GEN SDR USAASB03080Csd · failedPHL - FLT 685 - ON CLIMB-OUT FROM PHL, EN ROUTE TO FLL, THE NR 1 ENGINE CSD LOW OIL PRESSURE LIGHT FLICKERED SEVERAL TIMES. GENERATOR DRIVE TEMPERATURES, 'IN' AND 'RISE', WERE AT MAXIMUM VALUES. AT THIS POINT, THE HIGH OIL TEMPERATURE LGIHT ILLUMINATED. CAPSDR HEEA087224Relay · failedWHEN GEN. SWITCH IS TURNED ON IT TOOK 2 TO 3 MINUTES TO COME ON. ALSO GEN DROPPED OFF LINE IN FLIGHT.SDR HEEA087201Relay · failedGENERATOR WILL NOT COME ON LINE.SDR DLM90030511Generator · inoperativeSHORTLY AFTER T/O L GEN OFF MSG AND L AC POWER FAULT MSG APPEARED ON OAP. ISOLATED LT GEN PER CHECKLIST AND RETURNED TO SLC SENCE APU WAS ALSO INOP. STATUS MSG SHOWED L ELEC SYSTEM FAIL. REPLACED LEFT GEN CONVERTER RAN ENG GEN OPS NORMAL OK FOR SVC.SDR COMA0360256Idg · failedFLIGHT 5781 RT ENGINE IDG MESSAGE. REPLACED THE RT IDG.SDR AALA20030627Generator · failedDRIVE LIGHT CAME ON WITH ASSOCIATED EICAS MESSAGE DISCONNECTED AS PER CHECK LIST. EICAS MESSAGE DISTINGUISHED BITE MAINTENANCE PANEL FOR FAULTS. VISUALLY INSPECTED GEN NO FAULTS NOTED ON THE GROUND. RAN ENGINE FOUND IDG TO BE LEAKING. DEFERRED RIGHT IDG INOSDR P5CA0300881Control Unit · inoperativeRTB, NR 1 ENG GENERATOR FIELD LT NR 4 ADP INOP. NR 2 GENERATOR ALREADY ON DEFERRAL, 1-2ND RTB NR 3 GEN INOP. SWAPPED NR 1 & NR 2 GCU (NR 2 GEN DEFERRED) OPS NORMAL. CLEANED & RESEATED CONNECTORS FOR NR 4 ADP S/O VALVE, ADP OPS NORMAL 2ND RTB NR 3 ENG GENERASDR HEEA086568Control Unit · inoperativeAC GENERTOR DELAYED COMING ON LINE. SENT FOR INSPECTION AND REPAIR.SDR USAASB03067Oil Cooler · leakingCLT - FLT 1050 - AFTER TAKEOFF FROM CLT, EN ROUTE TO BNA, CREW REPORTED THE LOW OIL PRESSURE LIGHT FOR THE NR 2 ENGINE CSD ILLUMINATED. THE NR 1 ENGINE CSD WAS ALREADY ON MEL. FLIGHT RETURNED TO FIELD AT CLT AND LANDED WITHOUT FURTHER INCIDENT. NO EMERGENCYSDR QXEA0300550Generator · failedLWS- ON FLIGHT 2209 AFTER NORMAL STARTUP NR 1 AC GENERATOR CAUTION LIGHT ILLUMINATED. UPON CYCLING NR 1 AC GENERATOR SWITCH PER CHECKLIST, CAUTION LIGHT MOMENTARILY EXTINGUISHED THEN RE-ILLUMINATED. REMOVED AND REPLACED NR 1 AC GENERATOR AND GCU. OPERATIONASDR QXEA0300551Controller · failedPDX- ON FLIGHT 2437 IDG1 CAUTION MESSAGE AND DISCONNECT IAW EMERGENCY PROCEDURE. REMOVED AND REPLACED O/SSPG3 CONTROLLER. OPERATIONAL CHECKS GOOD. AIRCRAFT RETURNED TO SERVICE.SDR 122561Warning Light · illuminatedFLT 4506 PULLED OUT OF THE GATE, LEFT ENGINE WAS IN FEATHER, WHEN PUTTING POWER ON THE ENGINE THE LEFT A/C GEN LIGHT WOULD NOT GO OUT. AIRCRAFT RETURNED TO GATE. MAINTENANCE RESET CIRCUIT BREAKERS IN COCKPIT AND NOSE WHEEL WELL. INSPECTED LEFT A/C GEN. PERSDR AALA20030503Idg · failedRIGHT GENERATOR DRIVE LIGHT ILLUMINATED IN CRUISE FOLLOWED BY RIGHT GENERATOR CONTROLLER LIGHT FOLLOWED PCDR PRESSED RIGHT GEN DRIVE DISCONNECT SWITCH. APU STARTED OK, NORMAL OPS SUBSEQUENTLY. REMOVED AND REPLACED RIGHT IDG NR 2 ENGINE, SERVICED IDG. RAN ENSDR AALA20030517Idg · failedOGG - FLT 161 - DURING DESCENT, LEFT GEN CONT OFF LIGHT ILLUMINATED, RAN CHECKLIST UNABLE TO RESTORE GENERATOR. REMOVED AND REPLACED LEFT IDG PER MM, OPS AND LEAK CHECK OK. (M)SDR VNAA0304018Gcu · failedDURING CLIMBOUT, THE CREW RECEIVED A RIGHT HAND AC VOLT FAIL INDICATION AND RETURNED TO DAY. MAINTENANCE INSPECTED AND REPLACED THE RIGHT HAND GENERATOR CONTROL UNIT IN ACCORDANCE WITH DORNIER MAINTENANCE MANUAL 24-00-00. OPERATIONAL CHECKS WERE PERFORMED ANSDR VNAA0304014Generator · failedDURING CLIMBOUT, THE LEFT HAND GENERATOR FAILED AND THE CREW THEN RETURNED TO DAY. MAINTENANCE INSPECTED AND REPLACED THE LEFT HAND STARTER GENERATOR IN ACCORDANCE WITH DORNIER MAINTENANCE MANUAL 24-00-00. OPERATIONAL CHECKS WERE PERFORMED AND THE AIRCRAFT WSDR COMA0360200Generator · inoperativeFLIGHT 5261 GENERATOR NR 2 OFF-LINE DURING T/O. DEFERRED MAINT PER MEL.SDR A6WA200340045Adg · will not testMAINTENANCE CHECK FLIGHT REQUIRED FOR ADG DEPLOY INFLIGHT FUNCTION TEST. REMOVED AND REPLACED ADG (S/N OFF: 0598) (S/N ON:0736). PERFORMED ADG FLIGHT TEST, TEST OK. ADG COMPONENT REPAIR SHOP TEAR-DOWN FINDINGS, NO FAULT FOUND (NFF).SDR CA030506004Generator · failed(CAN) TWO GENERATORS HAD 8130 FORMS STATING THAT GENERATORS HAD BEEN OVERHAULED AND TESTED. AFTER A GROUND GENERATOR FIRE DURING INITIAL RUNUP ON THE FIRST UNIT, THE SECOND GENERATOR THAT HAD BEEN INSTALLED ON ANOTHER AIRCRAFT BUT NOT RUN YET WAS REMOVED FOR ISDR A6WA200340042Gcu · failedPERFORM ADG DEPLOYMENT TEST FLIGHT. ADG FAILED TO POWER AC ESS BUS TEST FLIGHT UNSATISFACTORY. REPLACED GCU, (S/N OFF: 0212, S/N ON: 0290). COMPLETED TEST FLIGHT REQUIREMENTS. NO DEFECTS NOTED. GCU COMPONENT REPAIR SHOP TEAR-DOWN FINDINGS, NO FAULT FOUND SDR AALA20030351Idg · failedBLINKING GEN DRIVE LIGHT FOLLOWED BY A STEADY RT GEN DRIVE EICAS MESSAGE, DISCONNECTED RIGHT IDG. PLACARDED RIGHT IDG INOPERATIVE PER MEL REF 24-1 AUTH. CHECKED AND FILLED TO LEVEL IDG OIL LEVELS ALSO CHECKED APU OIL LEVEL FOUND NORMAL ENTERED IN MIC SHEET DSDR AMTA200300399Generator · failedLEFT GEN CONT OFF LIGHT ILLUMINATED. TRIED ONE RESET, NO HELP. APU POWERED BUSS OK. NO OTHER INDICATIONS. (M)SDR USAASB03041Gcu · failedCLT - FLT 799 - SHORTLY AFTER TAKEOFF FROM ORD, EN ROUTE TO CLT, THE NR 1 GENERATOR BUS OFF LIGHT ILLUMINATED. CREW PLACED THE NR 1 GENERATOR BACK ON LINE, WHERE IT STAYED FOR A COUPLE OF MINUTES, BEFORE DROPPING OFF LINE AGAIN. FREQUENCY AND VOLTS WERE NORMSDR AALA20030350Idg · failedOGG - FLT 7 - DURING CRUISE, THE RIGHT GEN DRIVE LIGHT ILLUMINATED PERFORMED CHECKLIST PROCEDURE RAN APU AND CONTINUED TO DESTINATION, NO FURTHER PROBLEMS. REMOVED AND REPLACED RIGHT ENGINE IDG PER MM, OPS AND LEAK CHECK GOOD, OK FOR SERVICE. (M)SDR MALA030194Generator · failedDURING CLIMBOUT ON FLIGHT 3205, RT AC GEN FAILED IN FLIGHT IN ICING CONDITIONS. AIR RETURN TO MSP. MAINTENANCE FOUND RT AC GEN HAD INTERNAL FAILURE, ALSO TOOK OUT AC GCU. REPLACED GENERATOR P/N 31342-001, SN/OFF 219, SN/ON 1353. IAW TASK CARD 242102, REPLASDR AUS20030316Csd · failed(AUS) NR 1 ENGINE CONSTANT SPEED DRIVE (CSD) INPUT DRIVESHAFT SPLINE DISENGAGED DUE TO RETAINING RING AND SPACER COMING ADRIFT.SDR 2003FA0000220Converter · inoperativeDURING TAXI FROM THE OPERATOR`S HOME BASE AND PRIOR TO A SCHEDULED DEPARTURE, THE RT AC ELECTRICAL SYSTEM FAILED. THE AIRCRAFT RETURNED TO BASE, THE SYSTEM WAS TROUBLESHOT AND THE RT AC CONVERTER WAS FOUND TO BE FAULTY. THE UNIT WAS REPLACED WITH A SERVICABLE SDR DLM88030210Csd · underservicedLEFT CSD OVERTEMP IN FLIGHT. GENERATOR TURNED OFF AND TEMP DROPPED. SERVICED CSD.SDR A6WA200340031Generator · failedADG DEPLOYED IN FLIGHT AUTOMATICALLY WHEN GEN 1 WAS MANUALLY SHUT OFF WITH GEN 2 OFF LINE STOWED ADG. SQUIB FIRED. REPLACEMENT NOT AVAILABLE. AUTO DEPLOY FUNCTION PLACED ON MEL.SDR DLM88030169Harness · meltedA/C ARRIVED WITH APU GENERATOR INOP ON MCO. DURING TROUB LESHOOTING, WE FOUND TH APU GEN FIREWALL PLUG HAD A L OOSE CONTACT PIN . HARNESS WAS REMOVED AND PLUG WAS OPENED TO DISCOVER A MELTED CONNECTOR AND SHIELDING . HARNESS ASSEMBLY IS TO BE REPLACEDSDR COMA0360111Line · leakingFLIGHT 5015 #1 IDG AND GENERATOR FAULT MESSAGE.REPLACED LEAKING OIL LINE ON IDG.SDR AWXA200300215Circuit Breaker · defectiveDURING DECENT LOST BOTH IRS, ALL F/O LIGHTS AND INSTRUMENTS, F/O EFIS DISPLAYS, & AUX & PITOT STATIC. MAINT FOUND TRANSFER BUS NR 2 C/B POPPED. INSPECTED WIRING BEHIND P6 & P18 C/B PANELS, & INSIDE AFT NLG WW ACCESS PANELS. INSPECTED J4, J5, & J20 BOXES, & BESDR DLM88030163Generator · malfunctionedAFTER TAKEOFF AT 1000 FT AGL LEFT ENG GENERATOR TRIPPED OFF AND GOT X-TIE LOCKOUT MESSAGE. RT ENG DID NOT PICK UP BUS. RESET LT GENERATOR AND REPOWERED BUS. APU WAS STARTED BUT NOT PUT ON LINE. LANDED WITH X-TIE LOCKOUT MESSAGE. RESET RELAY, SERVICED CSD,SDR DLM88030160Csd · malfunctionedON TAXI LT GENERATOR TRIPPED AND AC X-TIE LOCKOUT MSG ILLUM. RESET NG. STARTED APU TO PWR THE LT BUS AFTER RESETTING X-TIE. AT 125 KTS RT GENERATOR OFF AND X-TIE MSG RESET GEN, NO HELP. THE RT BUSS WAS DEAD. RT GEN VOLTS AND FREQS ZERO. REPLACED BOTH GENSDR AWXA200300141Gcu · faultyPHX - EMERGENCY LANDING - FLT 0587 - ON DECENT INTO PHX EN ROUTE FROM IND APPROX 30 MINUTES OUT, LOST POWER TO NR 2 TRANSFER BUS, SEVERAL INSTRUMENTS AFFECTED, DECLARED EMERGENCY, LANDED WITHOUT EVENT. MAINT FOUND THE NR 2 TRANSFER BUS CIRCUIT BREAKER POPPED. SDR MALA030156Gcu · failedDURING FLIGHT 3294, ON MISSED APPROACH RT AC GEN CAUTION LIGHT ILLUMINATED, RH AC GEN WAS UNABLE TO RESET AND WAS TURNED OFF PER QRH. AIRCRAFT IN ICING CONDITIONS FOR APPROXIMATELY 10 MINUTES WITH RH AC GEN OFFLINE. MAINTENANCE REPLACED GEN, DID NOT FIX, INSTSDR MEX2003035Gcu · failedFLT 198 - MLM-TIJ - AIRCRAFT RETURNED TO GATE, FAIL LIGHT AC/CROSSTIE LOCK-OUT OFF RESET PROCEDURE WS PERFORMED AND LIGHT WAS TURN OFF, BUT LIGHT L GEN OFF APPEARS. GCU WAS NOT POSSIBLE RESET AND ENGINES WERE SHUTDOWN. REPORT WAS DEFERRED UNDER MEL 24-1-1 ANSDR HEEA084408Contactor · failedGENERATOR TAKES SEVERAL SECONDS TO GO OFFLINE WHEN SWITCH IS TURNED OFF.SDR HEEA084407Contactor · failedINTERMITTENT IGNITION DURING START.SDR HEEA084406Contactor · failedCAUSING START/AUTO RELIGHT CAUTION LIGHTS TO NOT ILLUMINATE.SDR HEEA084405Contactor · failedENGINE DEGRADE LIGHT.SDR HEEA084404Contactor · failedNO AUTO RELIGHT AND NO IGNITER ON START. CONTACTOR FAILED.SDR HEEA084386Contactor · failedDURING START ATTEMPTS STARTER FAILED TO CATCH.SDR DIN2003F00000Generator · failedSHAFT SHEARED ON GENERATOR WITH RELATIVITY LOW TIME SINCE OVERHAUL. SHAFT SHEARED .5000 INCH FROM DRIVE SPLINE, SLIGHT CORROSION CAN BE SEEN AT FAILURE POINT. PERHAPS A MORE THOROUGH NDI DURING THE LAST OVERHAUL COULD HAVE FOUND THIS DEFECT. THE GENERATOR WSDR A6WA200340047Adg · inoperativeMAINTENANCE CHECK FLIGHT REQUIRED FOR INFLIGHT DEPLOYMENT OF ADG. ADG TEST FLIGHT UNSATISFACTORY. REMOVED AND REPLACED GCU (S/N OFF: 0570, S/N ON: 0212). OPERATIONAL CHECK OF GCU GOOD. ADG TEST FLIGHT GOOD. GCU COMPONENT REPAIR SHOP TEAR-DOWN FINDINGS, PASDR 2003UALA00156Ram Air Turb · failedRAT TEST FAILED RPM TEST. REPLACED RAM AIR TURBINE.SDR GTIA030044Csd · failedFLT 779 - LGA - IN CRUISE AT 35,000 FEET NEAR WILMINGTON NC, LOST ALL ELECTRICAL POWER. SELECTED EMERGENCY POWER DECLARED EMERGENCY, BEGAN DIVERSION TO MYR. PERFORMED QRH PROCEDURES GOT LEFT GENERATOR ON LINE, HAD X-TIE LOCKOUT. LANDED SUCCESSFULLY IN MYR.
Back to JASC 2420