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 DL777030099Idg · inoperativeRT IDG TRIPPED OFF SHORTLY AFTER TAKEOFF. ELECT SMELL IN CABIN. TRIED ONE RESET NO HELP. 0634/28JAN/ATL/ 456509 - PASSING 10000 FEET AFTER TAKE OFF ELEC GEN RT LIGHT ILLUM. TRIED 1 RESET PROCEDURE ANSDR QXEA0300119Generator · failedSEA ON FLIGHT 2134- NO.1 AC GENERATOR CAUTION LIGHT ILLUMINATED. RESET PER EMERGENCY CHECKLIST WITH NO CHANGE. REMOVED AND REPLACED NO.1 AC GENERATOR. OPERATIONAL CHECKS GOOD. AIRCRAFT RETURNED TO SERVICE.SDR UPS03240021Relay · inoperativeDURING LANDING ROLLOUT & T/R APPLICATION A PWR LOSS TO THE FLT & ENGINE INSTRUMENTS WAS NOTED. THE COCKPIT WENT MOMENTARILY DARK. APPLIED T/R DURING TAXI IN AND NOTED KW NR 1 JUMPED TO 35 WHILE THE KWNR 2 DROPPED TO ZERO. REMOVED AND REPLACED R58S POWER RELSDR ERAA082938Gcu · inoperativeGENERATOR WILL NOT COME ON LINE; BUSS TIE LIGHT NOT ILLUMINATED. Q7 SHORTED 3 OTHER UNITS FROM SAME SHIP HAVE SAME CONDITION. CHECKED WIRING ASSOCIATED WITH CAUTION LIGHT CIRCUIT AND BUSS TIE CIRCUITS FOR HELICOPTERS. TESTED & TROUBLESHOT AND REPLACED Q7. SDR MEX2002375Csd · damagedAIRCRAFT RETURN FROM FLIGHT, DURING CLIMB, LT CSD OIL PRESSURE AND LT GENERATOR OFF LIGHTS ILLUMINATED WITH INDICATIONS GEN 0 AND NORMAL CSD TEMPERATURE. DURING CHECK CSD WAS WITHOUT OIL AND PLUNGER ACTIVATED. DURING CSD REPLACEMENT IT WAS DETECTED THAT THSDR A6WA200340044Adg · failedMAINTENANCE CHECK REQUIRED FOR INFLIGHT ADG DEPLOYMENT FUNCTION. ADG TEST FAILED. REMOVED AND REPLACED ADG, (S/N OFF: 0611, S/N ON: 0238) TEST FLIGHT OF ADG TEST SATISFACTORY. ADG COMPONENT REPAIR SHOP TEAR-DOWN FINDINGS, NO FAULT FOUND (NFF).SDR 2002F01114Connector · failedAT TOP OF CLIMB, LEFT GENERATOR DRIVE LIGHT AND LEFT GENERATOR CONT OFF LIGHT ILLUMINATED AT THE SAME TIME. CREW DEACTIVATED SYSTEM. MAINTENANCE INSTALLED SERVICEABLE CONNECTOR PLUG, IAW WDM. OPERATIONAL CHECKS GOOD IAW MM.SDR MALA020686GcuDURING FLIGHT #3367, RH AC GEN FELL OFF LINE, CREW RESET THEN IT FELL OFF LINE SHORTLY AFTER. AIR RETURN TO MSP. MAINTENANCE CND, SWAPPED AC GCU'S SIDE TO SIDE PN 51634-002, SN/ON RH SIDE, 97005, SN/ON LH SIDE 96036. OPS CHECK GOOD. IAW SAAB AMM 24/21/10. INSDR 0212141Generator · failedRIGHT AC GENERATOR AND RIGHT INTAKE LIGHTS ILLUMINATED DURING FLIGHT. AIRCRAFT RETURNED TO FIELD. AFTER TROUBLESHOOTING THE AC SYSTEM, MECHANIC REMOVED AND REPLACED THE RIGHT AC GENERATOR. OPERATIONAL CHECKS GOOD AT THIS TIME. AIRCRAFT RETURNED TO SERVICE.SDR HEEA082510Gcu · inoperativeAC GENERATOR GCU INOPERATIVE.SDR HEEA082507Gcu · will not testAC GENERATOR CONTROL UNIT WOULD NOT TEST IN OVERVOLTAGE CHECK.SDR O2G2003F00000Ram Air Turb · inoperativeAUTOMATIC DEPLOYMENT OF ADG OCCURRED AT ALTITUDE WHILE ENROUTE. NO ADVANCE WARNING OR INDICATION WAS GIVEN PRIOR TO DEPLOYMENT. CREW PROCEEDED WITHOUT FURTHER INCIDENT. MAINTENANCE CREW STOWED AND PERFORMED OPERATIONAL CHECKS IAW MM. NO DEFECTS NOTED. AIRSDR QXEA0202022Inverter · failedPDX- ON FLIGHT 2044 MFR-SEA AIRCRAFT DIVERTED TO PDX DUE TO ALL THREE INVERTER CIRCUIT BREAKERS WITH ASSOCIATED CAUTION LIGHTS AND SMELL IN COCKPIT AND CABIN WITHOUT ANY SMOKE. RAN PRIMARY INVERTER CHECKLIST. AIRCRAFT LANDED WITHOUT INCIDENT. REMOVED AND REPLASDR AALA20021713Circuit Breaker · damagedMIA - EMERGENCY ESCAPE SLIDE SQUIB TEST INOPERATIVE. FOUND LEFT GENERATOR CIRCUIT BREAKER WITH BROKEN 'A' PHASE TERMINAL. REPLACED CIRCUIT BREAKER. SYSTEM GROUND CHECKED NORMAL OPERATIONS. (M)SDR HALA0200702Generator · failedFLT 541 - HNL - NUMEROUS POEWR INTERUPTIONS ON DESCENT TO HNL. NO BREAK POWER TRANSFER APPEAR INOPERATIVE. EMERGENCY LIGHTS ON (5 TIMES). INTERMITTENT ANNUNCIATOR LIGHTS, DCU FAIL. NR 1 ENGINE VIBE HIGH, INDICATED 5.0 PLU (AMBER) FOR NR 1 N1 ON ONE OCCASSISDR 02FDEA00834Rccb · faultyJUST PRIOR TO TOP OF CLIMB, RIGHT EMERGENCY AC BUS OFF. CONSULTED WITH MOCC, RETURNED TO AIRPORT. EPCU FAULT LOGGED AND FOUND B1-138 RCCB IN CAC SHOWED OPEN INDICATOR BUT B1-139 CONT CB WAS CLOSED. REMOVED AND REPLACED B1-138 RCCB IAW AMM, ALSO PRECAUTION RSDR COMA0260623GeneratorFLIGHT 5660 ADG DEPLOYED DURING FLIGHT.RESTOWED ADG - CONTROL PANEL TEST WAS NORMAL.SDR 0203576613Module · malfunctionedDURING FLIGHT, AN ELECTRICAL ODOR EMITTED AND THE NR 1 FIELD OFF AND GEN OPEN LIGHT ILLUMINATED. DISCONNECTED THE NR 1 CSD AND THE BURNING SMELL DISSIPATED. AIRCRAFT CONTINUED TO DESTINATION AND LANDED WITHOUT INCIDENT. REPLACED THE CSD OIL TEMPERATURE INDISDR COMA0260575Idg · failedNUMBER TWO GENERATOR FAILED ATER TAKE OFF.REPLACED THE RIGHT INTEGRATED DRIVE GENERATOR.SDR COMA0260569Idg · failedNUMBER ONE GENERATOR AND INTEGRATED DRIVE GENERATOR WARNING DURING TAKE OFF.REPLACED THE LEFT INTEGRATED DRIVE GENERATOR.SDR AWXA200200972Gcu · failedFLT 0769 - ON FINAL APPROACH AT PHX EN ROUTE FROM PVR THE NR 1 GENERATOR TRIPPED OFF AND THE FLIGHT CREW NOTICED AN ELECTRICAL BURNING SMELL. DECLARED EMERGENCY AND LANDED WITHOUT FURTHER EVENT. MAINTENANCE FOUND THE NR 1 GENREATOR CONTROL UNIT (GCU) INOPERATISDR 2002FA0001162Adg · failedINSTALLED A LOANER AIR DRIVEN GENERATOR (ADG) DUE TO SURFACE CORROSION ON THE GENERATOR SHAFT AND NUT THAT WAS FOUND ON AN INSPECTION. COMPLETED AN IN-FLIGHT CHECK TO OPERATE THE ADG AND FOUND THE ADG INOPERATIVE AT THAT TIME. RETURNED TO HANGAR AND REINSTALLSDR MALA020572Selector Valve · faultyDURING TAXI OUT ON FLIGHT NR 3439, STANDBY GENERATOR STARTED TO RUN. A/C RETURNED TO GATE IN INVESTIGATE, STANDBY GEN INDICATED ON LINE, HOWEVER NO LOSS OF GREEN SYSTEM HYDRAULICS OCCURRED. STANDBY GEN CONTINUED TO RUN REGARDLESS OF SWITCH POSITION. MAINTENSDR DHL2002363011ControllerDURING TAKEOFF LOST #1 GENERATOR, #1 YAW, #1 PITCH TRIM. REJECTED TAKEOFF.DEFERRED #1 GENERATOR TO DMI 10468 IAW MEL 24-10-01, CAT. 'B'. COMPLIED WITH SP 24-11-01. MXC NOTIFIED. PLACARD INSTALLED.REMOVED AND REPLACED #1 GENERATOR CONTROL UNIT PER MM 24-21-00. SDR AWXA200200885Circuit Breaker · defectiveON APPROACH LOST CAPT AIRSPEED INDICATION, ALTIMETER, ATTITUDE DIRECTION INDICATOR, HORIZONTAL SITUATION INDICATOR, NR 1 TRANSFORMER RECTIFIER, EQUIP COOLING C/B & NR 1 GEN FAILED. BURNING SMELL NOTICED FROM OVERWING EXIT TO AFT CABIN. MX INSPECTED WIRING ONSDR KBMA115453Ecu · burnedGENERATOR INOPERATIVE. (REX RELAY SOCKET BURNED) REPLACED MASTER ELECTRICAL BOX WITH SERVICEABLE UNIT.SDR HAEA00038Control Box · faultyACFT DEPARTED KYIP CLIMBING OUT OF 6,000 FOR 13,000 YAW DAMPER STARTED KICKING OFF, OFF FLAGS CAME IN TO VEIW ON BOTH PILOT AND CO-PILOT SIDES AND THE SECONDARY INVERTER LIGHT FLASHED. PRIMARY VOLT METER NEEDLE WAS TICKING ALONG WITH AMP NEEDLE FOR GENERATOR.SDR YENA200221Harness · overheatedFlt#94, OAK to JFK, Multiple faults occurred in flight including RA1, Nose wheel steering, #1 PFD, ND, #1 TLS, GPS, Blue electrical Hyd, #1 RMP, MCDU.Found phase "C" of eng and firewall disconnect plugs overheated. plug 400VC1 firewall plug pin "C" replaced peSDR GTIA020834Generator · failedFLT 706 - LGA - AFTER TAKEOFF OVER MILE AREA LT GENERATOR FAULT FEEDER AND GEN BUS AND X-TIE LIGHT CAME ON, QRH FOLLOWED. FOUND LEFT GENERATOR BAD. ON GENERATOR T5 TO T6 READ .5 OHMS WHICH FAIL GENERATOR. REMOVED AND REPLACED LEFT POWER RELAY FOR PRECAUTIONSDR GTIA020862Generator · failedDTW - FLT 706 - AFTER TAKEOFF OVER MILE AREA, LEFT GEN FAULT FEEDER AND GEN BUS AND X-TIE LIGHT CAME ON, QRH FOLLOWED. FOUND LEFT GENERATOR BAD. ON GENERATOR T5 TO T6 READ .5 OHMS WHICH FAIL GENERATOR. REMOVED AND REPLACED LEFT POWER RELAY FOR PRECAUTIONARYSDR DHL2002754002Control Panel · defectiveUPON APPLYING TAKEOFF THRUST AND INITIAL ROLL, NR 2 FIELD & GB OPENED WITH DIFF FAULT SYSTEM 2 INDICATION ON S/O SECONDARY PANEL ABORTED T/O AND RETURNED TO PARKING. REMOVED AND REPLACED GEN CONTROL PANEL GROUND RAN ALL ENGINES OPS CHECKED GOOD PER 24-20-0.SDR CA020725005Plunger · unserviceable(CAN) DURING THE VALIDATION OF AMM TASK 24-23-01-720-803 IAW BOMBARDIER ENGINEERING TDS 601R-0566, WE DAMAGE THE ADG BACK PLATE AND BLADE LOCK PLUNGER OCCURRED. THE DAMAGE OF THE ADG WAS CAUSED BY AN IMPROPERLY CRIMPED LOCK TABFROM THE FACTORYLOCATED BETWEEN TSDR GTIA020861Gcu · malfunctionedDTW - FLT 874 - AT CRUISE, RECEIVED THE AC CROSSTIE LOCKOUT LIGHT, LT FLIGHT FAULT AND LT GEN OFF LIGHT ON AFTER REINSTALLING POWER TO THE LT AC SYSTEM WITH THE APU PER OUR QRH. UNABLE TO RESTORE LEFT GENERATOR POWER. REMOVED AND REPLACED GENERATOR CONTROL USDR AALA20021025Idg · failedFOUR HOURS INTO FLIGHT, LEFT GENERATOR FAILED. REPLACED LEFT GCU PER MM. REPLACEMENT TEST PASSED MESSAGE CLEARED. LEFT GEN SYS STILL INOPERATIVE ON ENGINE RUN MESSAGE AND NO VOLT OUTPUT. REPLACED LEFT IDDG PER MM. LEAK AND GEN SYS OPS TEST OK.SDR QXEA0200951Control Unit · burnedBOI-SMOKE IN COCKPIT-ELECTRICAL SMELL. FOUND STRONG BURNT SMELL FROM GENERATOR POWER CONTROL UNIT. NO OTHER DEFECTS NOTED. GROUND RAN ENGINES AND PERFORMED AC GENERATOR SYSTEM WITH NO DEFECTS NOTED. REPLACED EXTERNAL POWER CONTROL UNIT AND EXTERNAL POWER CONTASDR HEEA080408Gcu · will not testGCU WILL NOT TEST.SDR MWEA020442Relay · inoperativeA NOISE ( RELAY ) WAS HEARD TO THE LEFT OF THE CAPTAIN AND COMM #1 AND #2 FAILURE. -- REPAIRED AND REPLACED R 2-326 RELAY.SDR HEEA080152Control Unit · failedGENERATOR WENT OFF LINE AND WON'T RESET.SDR AUS20020591Buss · failed(AUS) NR 2 AC BUS FAILED. THE FOLLOWING COMPONENTS WERE REPLACED:- 1. NR 4 GENERATOR CONTROL UNIT 2. GENERATOR LINE CONTACTOR 4XB33. NR 4 ENGINE GENERATOR AND CSDSDR MEX2002140Csd · failedFLT 307 - MEX-ACA - TECHNICAL PERSONNEL AT GATE REPORT THAT THE ENGINE NR 1 CSD HAD DAMAGE OUT OF LIMITS AND THE MASTER CAUTION LIGHT WAS ON AS A CONSEQUENCE OF OIL LOW PRESSURE. AIRCRAFT WAS SENT TO THE HANGAR AND THE CSD AND THE RADIATOR OIL WERE CHANGED IASDR HEEA079341Gcu · malfunctionedGCU INTERMEDIATELY SHUTS GENERATOR OFF.SDR AALA20020795Idg · failedJFK - FLT 679 - DURING TAKEOFF RECEIVED EICAS MESSAGES, RIGHT GEN OFF, RIGHT GEN DRIVE LT, AND RIGHT UTIL BUS RESET GEN DRIVE LIGHT ON STEADY. COMPLETED CHECKLISTS, RETURNED AND LANDED. REMOVED RIGHT IDG. INSTALLED NEW IDG OPS AND LEAK CHECK OK. (M)SDR 219PA0001GeneratorRt Generator failed at begining of take-off roll. Reset CSD could not duplicate.SDR AALA20020772Idg · failedLHR - FLT 109 - RIGHT GEN DRIVE LIGHT ILLUMINATED 1.5 HOURS INTO FLIGHT ACCOMPLISHED GENERATOR DRIVE DISCONNECT PROCEDURE. REMOVED AND REPLACED RIGHT ENGINE IDG PER MM. ACCOMPLISHED REQUIRED CHECKS TEST GOOD, NO LEAKS NOTED. (M)SDR CA020528011Circuit Breaker · failed(CAN) ON DESCENT LOST THE NR 2 AND 3 TRANSFORMER RECTIFIERS, ONE FUEL PUMP ON THE NR 1 TANK AND BOTH FUEL PUMPS ON THE NR 2 TANK ALSO F/O'S INSTRUMENTS AND NR 2 RADIO. CREW NOTICED SLIGHT ELECTRICAL SMELL AND ON BASE LEG THE TRANSFER BUS LIGHT CAME ON. CAPTASDR GTIA020516Connector · looseFLL - FLT 1440 - AT 30,000 ON CLIMB-OUT, LT ENGINE GENERATOR DROPPED OFFLINE, CROSSTIE LOCKOUT LIGHT ON LT GEN FEEDER FAULT LIGHT ON LT GEN OFF LIGHT ON LOSS OF CONT LT AC BUS POWER OCCURRED. FOLLOWED QRH, DESCENDED TO 24,000, THE APU FINALLY STARTED. QRH CRSDR HEEA078906Relay · corrodedRELAY CORRODED.SDR QXEA0200798Inverter · defectiveSEA-STRONG ODOR IN COCKPIT. REMOVED AND REPLACED INVERTER. C/W QX MTC 9340002 HGS SYSTEM RTS TEST. AIRCRAFT RETURNED TO SERVICE.SDR CA020507001Transformer · malfunctioned(CAN) DURING FLIGHT NUMEROUS MOMENTARY POWER INTERUPTION CAUSING AUTO PILOT TO DISENGAGE AND NUMEROUS INSTRUMENT WARNING FLAGS. FOUND TO BE THE NR 1 ENGINE CURRENT TRANSFORMER AT FAULT. TRANSFORMER REPLACED. AIRCRAFT TIME 53656HRSSDR 2002FA0000626Bolt · wrong partA LOOSE GENERATOR GROUND CABLE BOLT WAS DISCOVERED WHILE TROUBLESHOOTING AN AMMETER SPLIT BETWEEN THE LEFT AND RIGHT ENGINE GENERATORS. AN AN610A BOLT WAS FOUND INSTALLED INSTEAD OF THE CORRECT AN6-6A BOLT. THE BOLT WAS TOO LONG AND TORQUE COULD BE REACHED.
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