JASC 2450
Service difficulty reports · 872
Reports filed under 2450 · AC Power Distribution 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 = '2450' 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 = '2450' 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 TSAA0225225Circuit Breaker · malfunctionedEN ROUTE TO HNL, THE CREW COULD NOT GET THE GALLEY POWER TO COME ON. THE AIRCRAFT RETURNED TO OAK AND MADE AN OVERWEIGHT LANDING WITH NO FURTHER INCIDENT. MAINTENANCE RESET THE GALLEY POWER CIRCUIT BREAKERS ON THE P-92 PANEL LOCATED IN THE E/E COMPARTMENT. SDR DLM88031052Control Panel · dentedFOUND E/E DOOR DENTED POWER CONTROL PANEL AT DOOR HOLD OPEN SUPPORT BRACKET. FOUND RELAY WIRES ARCHING BEHIND PANEL ASSY ON RACK SUPPORT BRACKET. REPAIRED WIRING.SDR QXEA200301421Contactor · failedSEA- ON FLIGHT 2323 NR 2 AC GENERATOR CAUTION ILLUMINATED ON APPROACH, IT WOULD NO RESET PER CHECKLIST. REMOVED NAD REPLACED AC CONTACTOR BOX. OPERATIONAL CHECKS GOOD. AIRCRAFT RETURNED TO SERVICE.SDR AUS20031072Circuit Breaker · failed(AUS) PACK COOLING FAN CIRCUIT BREAKER (C) PHASE TERMINAL OVERHEATED.SDR MWEA030433Relay · failedRIGHT END GENERATOR WILL NOT PICK UP BUSS. REMOVED AND REPLACED RIGHT APU RELAY.SDR MWEA030434Relay · dirtyON ENGINE START, RIGHT ENGINE GENERATOR WOULD NOT PICK UP THE LOAD FROM THE APU GENERATOR ON SUBSEQUENT STARTS, RELAY TRANSFERRED NORMALLY. CLEANED CONTACTS ON RIGHT VOLTAGE REGULATOR, RAN RIGHT ENGINE, OPERATIONS CHECK.SDR VNAA0309017Control Panel · failedDURING TAKEOFF, THE CREW RECEIVED A LEFT HAND GENERATOR FAIL MESSAGE AND ABORTED TAKEOFF. THE AIRCRAFT WAS THEN FERRIED TO PIT WHERE MAINTENANCE INSPECTED AND REPLACED THE 1VE PANEL IN ACCORDANCE WITH DORNIER MAINTENANCE MANUAL 24-00-00. OPERATIONAL CHECKS WSDR AT0300024Control Unit · inoperativeIMMEDIATELY AFTER TAKE OFF, SMOKE (ELECTRICAL) AND FUMES FROM FLOOR VENTS IN BUSINESS CLASS. LOST LEFT DC BUSS. FOUND LEFT HAND PCDU TO BE FAULT. REMOVED AND REPLACED LEFT HAND PCDU AND LEFT IDG.SDR AALA20030851Chain · misinstalledEN ROUTE AUX OUTLET COVER IN AFT GALLEY ARCING. AIRCRAFT LANDED DFW WITHOUT INCIDENT. FOUND OUTLET COVER CHAIN MAKING CONTACT WITH OUTLET. CHAIN WAS DISLODGED FROM THE PRONGS ON THE UTILITY CAP. CHAIN WAS RETURNED TO ITS PROPERLY INSTALLED POSITION. SYSTESDR 03196426Control Panel · faultyDURING CRUISE, THE CREW REPORTED A TOTAL GENERATOR FAILURE. MAINTENANCE PERSONNEL REMOVED AND REPLACED THE 1VE PANEL. AN OPERATIONAL CHECK WAS SATISFACTORY AND THE AIRCRAFT WAS RETURNED TO SERVICE.SDR MEX2003286Circuit Breaker · failedFLT 133 - TIJ-BJX - AIR TURNBACK AS A RESULT OF BREAKERS J23 FORWARD LT FUEL TANK PUMP, J21 AFT CENTER FUEL TANK PUMP, J8 AND J9 RECIRCULATION FAN WERE BOUNCED IN FLT. RESET THE BREAKERS, ALL CORRECT. LT AND RT AC BUS PHASES VOLTAGE WERE CHECKED, ALL CORRECTSDR 03FDEA00986Circuit Breaker · poppedPDIS 446 24-50 0006790 27JUN03 RDU CLOSE R LOST AC BUS 2 DURING TAKE OFF ROLL AT ABOUT 40 KTS. FACT 27JUN03 11:53 RDU R FOUND 202XP BUS BAR BREAKER POPPED AND NR 2 GE HYD PUMP C/B POPPED , RESET SAME BOTH GREEN PUMPS OPERATE NORMAL, NR 2 AC BUSSDR CA030618005Switch · jammed(CAN) THIS SWITCH SWITCHES POWER FROM EXTERNAL TO OFF AND TO INTERNAL POWER. THE SWITCH JAMMED AND IT WAS PHYSICALLY IMPOSSIBLE TO MOVE THE SWITCH TO THE OFF POSITION.SDR BAQA087114Electrical Box · inoperativeAIR CONDITIONER. INOPERATIVE. REPLACED WITH SERVICEABLE UNIT.SDR ZIAA03003Relay · overheatedLANDED IN TORONTO DUE TO ELECTRICAL SMOKE COMING FROM BEHIND COCKPIT CIRCUIT BREAKER PANEL. REMOVED AND REPLACED NR 2 MAIN DC BUS REVERSE CURRENT CUTOUT RELAY IAW L-188 MM CPT 24-0. ALL SYSTEM CHECK NORMAL. (M)SDR COMA0360214Relay · failedFLIGHT 5896 ACCESS BUS CAUTION MESSAGE. REPLACED THE SENSE RELAY KIXD.SDR VNAA0304019Control Panel · failedDURING TAKEOFF, THE CREW RECEIVED A LEFT HAND ECU FAIL INDICATION AND ABORTED TAKEOFF. WHILE TAXIING BACK TO THE GATE, THE FLIGHT ATTENDANT REPORTED SMOKE IN THE CABIN AND THE CREW EVACUATED THE AIRCRAFT. THE CREW THEN TAXIIED THE AIRCRAFT BACK TO THE GATE. SDR ABXA030117Relay · failedDURING FLIGHT, AUTOPILOT DISCONNECTED, EADI AND EHSI PICTORIAL APPEARED TO HAVE ALL SYMBOLS RAPIDLY SPINNING. SELECTED SG-3, REALIGNED EADI AND EHSI. BUT WHEN CONNECTING AUTOPILOT, AIRCRAFT WOULD RAPIDLY DIVE AND BANK. SERVOS COULD BE HEARD GYRATING AND SERVO SDR AWXA200300220Terminal Block · arcedCRACKLING SOUND AND SPARKS WERE SEEN COMING FROM BEHIND AFT GALLEY OVEN ALONG WITH A SMALL AMOUNT OF SMOKE. AFT GALLEY FEEDER "A" CIRCUIT BREAKER WAS FOUND POPPED IN COCKPIT. MAINTENANCE FOUND TERMINALS LOOSE AT BLOCK TERMINAL (7200VT), TERMINALS 2, 3, & 4, WESDR AUS20030217Panel · shorted(AUS) RT NON-ESSENTIAL BUS PANEL EMITTING SMOKE ODOR. INSPECTION FOUND A SHORT CIRCUIT CAUSING MELTING OF THE PLASTIC PANEL. SUSPECT SHORT CIRCUIT WAS CAUSED BY CONDENSATION ON THE PANEL DUE TO EXTREME WEATHER CONDITIONS.SDR 03FDEA00137Clamp · wornIN RT PICKLE BARREL AREA, UNDER PANEL 264GA, FOUND NR 2 GENERATOR FEEDER CABLE WIRE (NR 2X2B0B (AL)) CHAFING AGAINST WORN CLAMP. UPON FURTHER INSPECTION FOUND SMALL HOLE IN INSULATION AND WIRE STRANDS INSIDE, MELTED DOWN, LEAVING THE WIRE ALMOST HOLLOW AT THASDR NACA20030073Volt Regulator · trippedDISCREPANCY: ON TAKE OFF ROLL LOST #1 ENG GEN ESSENTIAL POWER WITH #3 ENGINE GENERATOR SELECTED.CORRECTIVE ACTION: REPLACED #1 VOLTAGE REGULATOR.SDR VNAA0301002Control Panel · failedTHE CREW REPORTED A BURNING SMELL IN THE COCKPIT AREA. MAINTENANCE INSPECTED AND FOUND THE 1VE PANEL WARM. MAINTENANCE THEN REPLACED THE 1VE PANEL IN ACCORDANCE WITH DORNIER MAINTENANCE MANUAL 24-00-00. OPERATIONAL CHECKS WERE PERFORMED AND THE AIRCRAFT WASSDR 02FDEA00978Relay · failedMID-FLIGHT, EMERGENCY POWER ON ALERT ILLUMINATED. REVIEWED CHECK 20-30 WEST OF LIT, BATTERY LOW ALERT ILLUMINATED. SHORTLY THEREAFTER MULTIPLE ELECT ALERTS OCCURRED. INCLUDING FCC 1B FAULT, FADEC ALT, ALL 3 ENGINES AND OTHERS. CAPTAIN, NR 1 AND NR 3 DU FAISDR QXEA0202161Fuse · openSEA ON FLIGHT NR 2143- RIGHT TRU AND RIGHT STALL WARNING CAUTION LIGHTS CAME ON IN CRUISE FLIGHT. RIGHT TRU CIRCUIT BREAKER ALSO TRIPPED. AFTER .05 MINS RIGHT STALL WARNING CAUTION LIGHT BEGAN TO GO OFF AND ON WITH NO PATTERN. REPLACED RIGHT HAND VARIABLE FSDR VNAA0212021Control Panel · failedDURING TAKEOFF, THE CREW RECEIVED A LEFT HAND GENERATOR FAIL CAS MESSAGE AND ABORTED TAKEOFF AND RETURNED TO THE GATE. MAINTENANCE WAS DISPATCHED TO PHL, INSPECTED, AND REPLACED THE 1VE PANEL IN ACCORDANCE WITH DORNIER MAINTENANCE MANUAL 24-00-00. OPERATIONASDR CA021204007Circuit Breaker · cracked(CAN) MAIN VOLTAGE REGULATOR 5 AMP CIRCUIT BREAKER. AUXILIARY VOLTAGE REGULATOR 5 AMP CIRCUIT BREAKER. BOTH CB'S HAD CRACKED TERMINALS. THIS CONDITION DID NOT CAUSE THE CB'S TO 'POP', BUT DID CAUSE SYSTEM TO SHUT DOWN.SDR DL764021371Circuit Breaker · overheatedNO LAND 3 EICAS MSG APPEARED FOLLOWED BY NO LAND 3 STATUS MSG AND FLAP/SLAT ELEC STATUS MSG. ALSO OFF FLAG APPEARED IN CAPT'S STAB TRIM INDICATOR. FLAP/SLAT ELEC STATUS MSG DISAPPEARED ALONG WITH OFF FLAG IN STAB TRIM IND. NO LAND 3 MSGS REMAIN UNLESS AUTOPSDR AT0200086Relay · failedEMERGENCY POWER RELAY STUCK CLOSED. CYCLING SWITCH HAD NO EFFECT. A/C WAS DRAINING BATTERIES. MAINTENANCE REMOVED AND REPLACED A/C BATTERIES AS A PRECAUTIONARY. REMOVED AND REPLACED LEFT DCDU, LBTR, LEPR.SDR 2003F00129Pdu · malfunctionedDURING APPROACH TO JST, PILOT REPORTED LOSS OF RIGHT ESS BUSS, RIGHT MAIN BUSS RESULTING IN LOSS OF FIRST OFFICERS EFFIS TUBE, PILOT ABORTED LANDING AND RETURNED TO PIT. MAINTENANCE REPLACED RIGHT PDU, NO FURTHER PROBLEMS, A/C RETURNED TO SERVICE.SDR UHL2002F00007Pdu · inoperativeDURING APPROACH, PILOT REPORTED LOSS OF RT EFIS BUSS, RT MAIN BUSS RESULTING IN LOSS OF FIRST OFFICERS EFIS TUBE, PILOT ABORTED LANDING AND RETURNED. MAINTENANCE REPLACED RT PDU, NO FURTHER PROBLEMS, A/C RETURNED TO SERVICE.SDR 2002UALA01614Relay · failedAIRCRAFT RETURNED TO FIELD WHEN NUMBER 2 GENERATOR CIRCUIT BREAKER TRIPPED, UNABLE TO RESET. REPLACED TRANSFER RELAYS R3 AND R4.SDR VNAA0210016Control Panel · faultyTHE FLIGHT ATTENDANT REPORTED A BURNING SMELL IN THE CABIN WHILE INBOUND TO PIT. THE CAPTAIN THEN REPORTED THE BURNING SMELL WAS INTO THE COCKPIT BY THE TIME FLIGHT 4014 REACHED THE GATE. MAINTENANCE INSPECTED AND FOUND THE EXTERNAL POWER CABLE LEADING TO THSDR ZW0A0209801Socket · shortedELECTRICAL ODOR WAS COMING FROM THE PANEL BEHIND THE FWD FLIGHT ATTENDANT SEAT. FOUND A SHORTED SOCKET AT TERMINAL STRIP S3-23 THAT HAD SHORTED OUT THE WIRING TO R2-41. THE AIRCRAFT MAINTENANCE FERRIED TO MCI WHERE WIRING CORRECTIONS WERE MADE.SDR SWAA022145Relay · failedAIR TURNBACK, DECLARED EMERGENCY, DURING CLIMB, ALL F/O'S INSTRUMENT LIGHTS INOP, ALSO WINDSHEAR AND RT AFT FUEL PRESS LIGHTS ILLUMINATED. REMOVED AND REPLACED R4 RELAY PER MM.SDR 2002UALA01340Connector · burnedSHORTLY AFTER TAKEOFF AIRCRAFT TR 3 CIRCUIT BREAKER POPPED, AND COULD NOT BE RESET. AIRCRAFT RETURNED TO FIELD. FOUND BURNED PINS ON GEN FIREWALL CONNECTOR. REPLACED NR 2 GENERATOR HARNESS AND FIREWALL RECEPTACLE PINS.SDR AUS20020988Circuit Breaker · failed(AUS) COCKPIT CIRCUIT BREAKER FAILED. CB WAS FOR ATC R ON P7.SDR VNAA0208021Panel · malfunctionedDURING TAKEOFF, THE CREW RECEIVED A LEFT HAND GENERATOR FAIL CAS MESSAGE AND ABORTED TAKEOFF. THE AIRCRAFT WAS FERRIED TO DAY. MAINTENANCE INSPECTED AND REPLACED THE 1VE PANEL IN ACCORDANCE WITH DORNIER MAINTENANCE MANUAL 24-00-00. OPERATIONAL CHECKS WERE PSDR 2002UALA01350Pin · burnedPOWER LOST TO FIRST OFFICERS PRIMARY INSTRUMENT BUSS. FLAGS IN VIEW ON FO AIRSPEED INDICATOR, RDMI, VERTICAL SPEED INDICATOR, EHSI AND EADI BLANK. FOUND PIN 4 OF D6430P BURNT, REPLACED PIN. THIS IS 'A' PHASE FROM FIRST OFFICER'S INSTRUMENT BUS VOLTAGE SENSESDR ARWA20020802Control Panel · malfunctionedAFTER STARTING ENGINE NR 2 AND ENGINE NR 3 HAD SMOKE IN COCKPIT. CREW EVACUATED AIRCRAFT. FOUND NR 2 AC CONTROL PANEL BURNT OUT. REMOVED AND REPLACED NR 2 AC CONTROL PANEL IAW MM 24-5-7, ALSO REMOVED AND REPLACED GENERATOR RELAY IAW MM 24-5-3. OPERATIONS CSDR DL76G020857Circuit Breaker · trippedWHILE IN CRUISE C/B RIGHT DC BUS AND RAM AIR TURBINE POWER C/B BOTH POPPED, ALL EMERGENCY EXIT LIGHTS IN CABIN ILLUMINATED. ALSO RIGHT REC FAN AFT CABIN TEMP EICAS MSG AFT EQUIP COOLING EXHAUST FAN 1 AND FWD EQUIP EXHAUST FAN MSG. RESET C/B C/W RAT MANUAL EXSDR VNAA0207011Panel · failedDURING CLIMBOUT, THE CREW RECEIVED A RIGHT HAND GENERATOR FAIL MESSAGE AND RETURN TO DAY. MAINTENANCE INSPECTED AND REPLACED THE AC/DC PANEL IN ACCORDANCE WITH DORNIER MAINTENANCE MANUAL 24-00-00. OPERATIONAL CHECKS AND A FUNCTIONAL CHECK FLIGHT WERE PERFORMSDR COMA0260413Relay · malfunctionedFLIGHT 5803 AC ESS BUSS FAIL MESSAGE.REPLACED RELAY K3XDSDR VNAA0207003Control Panel · failedAFTER THE PASSENGERS HAD BEEN BOARDED, HALFWAY THROUGH THE PREFLIGHT BRIEFING SMOKE BEGAN FORMING IN THE CABIN. THE FIRST OFFICER EVACUATED THE PASSENGERS AND THEN THE FLIGHT ATTENDANT. THE APU GENERATOR HAD FAILED, THUS CAUSING THE HX FAN TO NOT OPERATE WHISDR D4O2002F00000Circuit Breaker · trippedWHILE IN FLIGHT, POWER WAS LOST TO RT SIDE OF INSTUMENT PANEL. PILOT TRIED TO EXTEND LANDING GEAR. GEAR DID NOT EXTEND. EMERGENCY WAS DECLARED AND PILOT RETURNED TO ALTITUDE AND MANUALLY EXTENDED LANDING GEAR. PILOT COMUNICATED WITH ANOTHER PILOT WHO TOLD SDR DLM88020660Selector Switch · shortedON TAXI AC VOLT/FREQ SELECTOR SWITCH ON OVHD PANEL STARTED TO SMOKE. WHEN RIGHT SELECTED VOLTS/FREQS READ ZERO WITH ENGINE RUNNING. SELECTED LEFT SMOKE STOPPED. RTB. FOUND VOLTMETER/AMMETER SELECT SWITCH BURNED AND SHORTED. REPLACED SAME. ALL OK. ACFT OSDR DLM88020658Selector Switch · faultyON TAXI OUT AFTER STARTING NR 2 ENGINE THE OVERHEAD PANEL STARTED TO SMOKE. FOUND A/C VOLT/FREQ SELECTOR SW ON OVHD PANEL BAD. REPLACED SAME, CKS GOOD.SDR SWAA021299Receptacle · looseDURING LANDING F/A REPORTED SPARKS COMING FROM ELECTRICAL OUTLET IN FWD GALLEY. INSPECTED, CLEANED AND ADJUSTED RECEPTACLE PER MM.SDR DLM88020639Electrical Sys · malfunctionedJUST BEFORE TAXI OUT LOST BOTH BUSSES, ENGINE BUSSES DID NOT PICK UP FROM APU. COMPLETE ELECTRICAL FAILURE. RESET LT AND RT GEN SWITCHES TO ON. RAN ENGS BOTH GENS OPS CHECK OK.SDR AUS20020555Circuit Breaker · shorted(AUS) CABIN LOUVRE FAN THREE PHASE CIRCUIT BREAKER INTERNAL SHORT CIRCUIT. CB OVERHEATED AND BURNED WIRES HA014A, HA015B AND HA016C. AC2 BUS BAR B MODULE SUFFERED HEAT DAMAGE.
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