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 02FDEA00354Controller · failedGEN BUS 1 FAILURE AT FL 280 (LAS) COMPLIED W/ RED TABS -ONLY RESTORED FOR 5-10 SEC AT BUS FAULT, ATTEMPTED CHECKLIST 2ND TIME AFTER APU STARTED/SAME, ATTEMPTED CHECKLIST 3RD TIME AFTER GEN 1 DISCONNECT/SAME, SHOT RAW DATA APP F/O SIDE. UNEVENTFUL LANDING WITHSDR USA2002F00041Control Unit · malfunctioned(ELCU) ENROUTE, CREW RECEIVED THE EICAS MESSAGE (C HYD PRIM 1) AND THE LOW PRESSURE LIGHT ILLUMINATED. FLIGHT RETURNED AND LANDED WITH NO FURTHER INCIDENT. MAINTENANCE REPLACED THE CENTER NR 1 ACMP AND THEN THE TIME DELAY RELAY. ON A SUBSEQUENT FLIGHT, THE SDR AALA20020642Terminal Block · defectiveBOS - FLT 1044 - ON TAXI-IN, SEVERAL COMPONENTS ON LEFT BUS ARE INOPERATIVE. REPLACED TERMINAL BLOCK AND TERMINAL ENDS. SYSTEM GROUND CHECKED NORMAL OPERATION. (M)SDR 2002FA0000679Circuit Breaker · failedAIRCRAFT WAS NOT USED FOR APPROXIMATELY (7) MONTHS. AIRCRAFT WAS TIED DOWN OUTSIDE, NEAR SALT WATER ENVIRONMENT. NEW OWNER HAD ANNUAL INSPECTION DONE. DURING ANNUAL INSPECTION FOUND CORROSION ON BELLY HAT SECTION STIFFENER. NO OTHER UNUSUAL CORROSION NOTEDSDR 0605023221Circuit Breaker · failedTHE OVERVOLTAGE SENSOR ACTIVATED, CLAMPING THE ACU POWER SUPPLY TO GROUND. THE ALTERNATOR CIRCUIT BREAKER FAILED TO TRIP. THIS RESULTED IN AN INFLIGHT ELECTRICAL FIRE WITH THE HARNESS BETWEEN THE J-BOX AND CIRCUIT BREAKER PANEL DAMAGED AS MULTIPLE CIRCUITS WSDR COMA0260302Buss TieFLIGHT 5117 AUTO XFER FAIL MESSAGE.RESET A/C BUSS 1 - MESSAGE CLEARED.SDR 2002UALA00773Circuit Breaker · failedDIVERTED TO DEN DUE TO LOSS OF GENERATOR. THE AIRCRAFT WAS DIVERTED TO DENVER WITHOUT INCIDENT. AMT CREW ISOLATED CAUSE OF FAILURE DUE TO NR 2 TRANSFER BUS NORMAL CIRCUIT BREAKER (C821) AS BAD. THE CIRCUIT BREAKER WAS REPLACED, AND THE AIRCRAFT WAS RETURNEDSDR 2002UALA00774Circuit Breaker · failedDIVERTED TO DEN DUE TO ELECTRICAL PROBLEMS. CREW REPORTED NR 2 TRANSFER BUS CIRCUIT BREAKER (C821) POPPED IN CRUISE & IN SMOOTH AIR. REPORTED LOSING FIRST OFFICER'S INSTRUMENTS INCLUDING EADI AND EHSI. THE AIRCRAFT WAS DIVERTED TO DEN WITHOUT INCIDENT. AMTSDR VNAA0203036Panel · failedAS THE AIRCRAFT WAS IN ROTATION, THE CREW RECEIVED A LEFT HAND ENGINE CONTROL UNIT FAIL MESSAGE. THE CREW TOOK OFF AND CIRCLED THE FIELD AND LANDED. MAINTENANCE INSPECTED AND REPLACED THE 1VE PANEL IN ACCORDANCE WITH DORNIER MAINTENANCE MANUAL 24-00-00. OPESDR VNAA0203027Control Box · faultyTHE FLIGHT CREW ABORTED THE TAKEOFF AFTER RECEIVING A LEFT ALTERNATOR FAIL AND LEFT AC VOLT FAIL WARNING MESSAGE. AFTER EXITING THE RUNWAY AND CYCLING THE CONDITION LEVER THE MESSAGES CLEARED. THE FLIGHT CREW ATTEMPTED ANOTHER TAKEOFF AND THE MESSAGES RETURNSDR DLM11020228Receptacle · burnedFOUND CIRCUIT BREAKER UTILITY OUTLET OPEN. RESET RESULTED IN CRACKLING NOISE AND SMOKE BY R-1 DOOR. FOUND R-1 SERVICE OUTLET BURNT. USED FOR VACUUM CLEANERS. REPLACED THE OUTLET. VISUALLY INSPECTED THE OTHER AIRCRAFT OUTLETS R5-1122, R5-1124 AND R5-1125, SDR UPS02837719Control Panel · failedINSPECTION TYPE:N/A NR 2 BUS AND LT EMERGENCY BUS FAILED. CREW DECLARED EMERGENCY. LANDING UNEVENTFUL. T/S PER M/M 24-20-00 REMOVED AND REPLACED NR 2 GENERATOR CONTROL PANEL AND PERFORMED ADJ/TEST PER 24-20-06, OPS CHECKS NORMAL.SDR DLM88020212Relay · burnedFOUND R2-50 AC GND SERVICE TIE RELAY BURNED AND DAMAGED, TERMINALS AT A2 AND B2 DAMAGED. REPLACED WIRE NB X226A10A. INSTALLED NEW TERMINAL ENDS AT A2 AND B2 AND REPLACED C/B B1-241.SDR MALA020157Circuit Breaker · defectiveDURING FLIGHT 3663 AC DEPARTED MSP. F/O'S EFIS DISPLAY WENT BLANK, LOST LT I/B FUEL PUMP, FLAP TRIM COMPENSATOR, RT COOLING FAN, PRESSURIZATION LT ON ONE CHANNEL AND NR 2 ADC. AIR RETURN TO MSP. MAINTENANCE REMOVED AND REPLACED CB XD11 FOR AC NR 2 BUSS P/N SDR UPS02237609Control Panel · malfunctionedINSPECTION TYPE:N/A AIR TURNBACK DUE TO SMOKE IN COCKPIT SMELLED SMOKE CLIMBING THROUGH 4000 FT THEN WENT AWAY UNTIL CREW SAW SMOKE AND SMELLED HEAVY ELECTRICAL SMELL AFTER BLOCK IN WITH EXTERNAL POWER CONNECTED. INSPECTED BEHIND PANELS OF F/E PANEL. REMOVEDSDR DHL2002749001Control Panel · faultyTAKEOFF ROLL GEN NR 2 BUS TIE LIGHT ILLUMINATED. REJECTED TAKEOFF. ACCOMPLISHED ABNORMAL CHECKLIST, SYSTEM RETURNED TO NORMAL. MOVE THRUST LEVERS AND SAME CONDITION RETURNED. S/O AUX PANEL INDICATED GEN OVER - EXCITED SYSTEM NR 2. REMOVED AND REPLACED NR SDR CA020201002Control Panel · failed(CAN) DURING ENGINE START, FLIGHT CREW DETECTED ELECTRICAL BURNING ODOUR AFTER SELECTING BOTH ENGINE CONDITION LEVER FROM FEATHER TO MIN. LEFT AC VM PHASE A, B, C AND RIGHT AC VM PHASE A, B, C ALL CIRCUIT BREAKERS POPPED. FLIGHT CREW THEN SHUT DOWN BOTH ENGINSDR AUS20020029Contactor · open(AUS) AFTER TAKEOFF THE CREW REPORTED THAT SEVERAL SYSTEMS WARNINGS CAME ON. INVESTIGATION FOUND THE AUXILIARY CONTACTS WERE OPEN CIRCUITED ON BUS TIE CONTACTOR XD4.SDR 2002F00046Control Panel · malfunctionedBLOCK TURN BACK, NR 3 GEN AFTER ENGINE START FIELD TRIPPED AND WOULD NOT REST. RERACKED NR 3 GENERATOR CONTROL PANEL RAN NR 3 ENGINE AT IDLE POWER NR 3 FIELD AND GENERATOR BREAKER CLOSED NORMALLY VOLTAGE AND FREQUENCY WITHIN LIMITS. OPS CHECK GOOD. (M)SDR CWQ2002F00000Transorb · burnedDISPLAY UNITS 4 AND 5, FMS 2 SCREEN AND RADIO CONTROL UNIT SCREEN BLANK. AVIONICS FAN INSPECTION AND CAS MESSAGES DISPLAYED. CAUSE OF DISCREPENCY APPEARS TO BE TRANSORB (PN S3106-5) WIRED INTO QUICK DISCONNECT FITTING CONNECTED TO THE RIGHT SIDE AVIONICS RELSDR AUS20011340Diode · failed(AUS) NR 2 BUS SYSTEM FEED DIODES FAILED.SDR AUS20011336Circuit Breaker · failed(AUS) NR 1 AVIONICS BUS CIRCUIT BREAKER/SWITCH INTERNAL FAILURE.SDR 01FDEA01019Control Unit · failedON T/O ROLL, NR 1 BUS FAILED. REMOVED AND REPLACED GENERATOR RELAY 1, BUS CONTROL AND CIRCUIT BREAKER PER MM 24-00-00-2.SDR VNAA0112002Control Panel · failedAS FLIGHT 4078 WAS READY FOR TAKEOFF THE CREW RECEIVED A RIGHT HAND GENERATOR FAIL CAS MESSAGE AND ABORTED TAKEOFF. FLIGHT 4078 RETURNED TO THE GATE WHERE MAINTENANCE INSPECTED AND SWAPPED 1VE PANELS WITH N427JS IN ACCORDANCE WITH DORNIER MAINTENANCE MANUAL 2SDR JJB2001F00007Panel · shortedSMELL OF SMOKE IN COCKPIT DURING FLIGHT, SMOKE COMING FROM LEFT SIDE OF INSTRUMENT PANEL. INSPECTED: FOUND SHORTED EL PANEL WIRE TO BUS BAR TERMINAL BEHIND FUEL QUANTITY INDICATOR PANEL. (WIRE X31F20) ALSO REPLACED WIRES: X30E20, 31E20, 30H20,31G20, 30J20, SDR 01FDEA01018Circuit Breaker · lack of lubeNR 1 BUS LOST AT ROTATION. RESET NR 1 BUS, LUBRICATED C/B. OK FOR SERVICE.SDR VNAA0111009Control Unit · failedAFTER DEPARTING PHL, THE CREW RECEIVED A LEFT HAND GENERATOR FAIL CAS MESSAGE AND ABORTED TAKEOFF. THE AIRCRAFT WAS FERRIED TO DAY WHERE MAINTENANCE INSPECTED AND REPLACED THE BUS POWER CONTROL UNIT IN ACCORDANCE WITH DORNIER MAINTENANCE MANUAL 24-00-00. OPESDR 0104579858Control Panel · malfunctionedCREW NOTICED THE LEFT GENERATOR OFF ANNUNCIATOR DURING TAKEOFF ROLL. ABORTED TAKEOFF AT APPROXIMATELY 120 KTS. THE LEFT GENERATOR INDICATED NO VOLTAGE FREQUENCY AND NO LOAD. MAINTENANCE INSPECTED THE LEFT GENERATOR SYSTEM AND FOUND NO FAULTS BUT REPLACED THSDR VNAA0111007Panel · failedWHILE CLIMBING THROUGH 6,000 FEET, THE CREW RECEIVED A LEFT HAND GENERATOR FAIL CAS MESSAGE AND RETURNED TO PIT AFTER THE QUICK REFERENCE HANDBOOK PROCEDURE DID NOT RESET THE GENERATOR. MAINTENANCE INSPECTED AND REPLACED THE 1VE PANEL IN ACCORDANCE WITH DORNISDR VNAA0111004Panel · failedDURING CLIMBOUT, THE CREW RECEIVED A RIGHT HAND GENERATOR FAIL CAS MESSAGE AND RETURNED TO PIT. MAINTENANCE INSPECTED AND REPLACED THE 1VE PANEL IN ACCORDANCE WITH DORNIER MAINTENANCE MANUAL 24-00-00. OPERATIONAL CHECKS WERE PERFORMED AND THE AIRCRAFT WAS RESDR CA011101021Circuit Breaker · failed(CAN) 1. ON TAKEOFF, FLIGHT CREW HEARD CB'S POP WITH SMELL OF BURNING PLASTIC.2. EMERGENCY DECLARED & AIRCRAFT RETURNED TO YYZ. AIRCRAFT LANDED WITHOUT INCIDENT. 3. UPON INSPECTION CB'S J71J74 & K73 WERE FOUND POPPED WITH VISIBLE SIGNS OF ARCING. ALL CB'S REPLSDR SWIA200110232Relay · failedNR 2 INVERTER INOP LIGHT ILLUMINATED INFLIGHT, FAILED RESET. REPLACED AC DISABLE/TRANSFER RELAY K0002. OPS CHECK GOOD.SDR 2001F00695Electrical Box · shortedRIGHT FULL OPT ELECTRICAL MASTER BOX INTERNAL SHORT. APU CIRCUIT BREAKER POPPED, SMOKE EMITTING FROM BOX. REPLACED WITH NEW UNIT, CORRECTED PROBLEM. (M)SDR CA011019007Relay · faulty(CAN) AFTER TAKEOFF UNABLE TO POWER AC ESSENTIAL BUS EITHER BY AC BUS NR 1 OR AC BUS NR 2 AIRCRAFT RETURN TO TORONTO. FOUND TO BE THE ESSENTIAL BUS SENSE RELAY AT FAULTY.REPLACED AC ESSENTIAL RELAY, POWER AVAILABLE FROM BOTH BUSES. OPERATIONAL TEST 24-51-27-71SDR 0103249988Circuit Breaker · faultyELECTRIC SMOKE IN COCKPIT DURING CLIMB. CAPTAIN TURNED OFF "ENG GEN" AND TURNED ON EMERGENCY POWER. STILL SMELLED SMOKE WITH EMERGENCY POWER ON. PERFORMED COM PROCEDURES, DECLARED AN EMERGENCY, AND RETURNED TO STL AND LANDED WITHOUT INCIDENT. FOUND AUTO GROUNDSDR SWIA200110094Relay · failedINVERTER NR 1 FAILED IN FLIGHT, WOULD NOT RESET.INVERTER OPS CHECK OK, 115 VAC ESS BUS LIGHT ILLUMINATED. FOUND K0005 RELAY BAD. REPLACED K0005 115 ESS BUS SENSOR RELAY IAW MM 20-00-00. INVERTER OPS CHECK NORMAL.SDR MWEA011067Control Panel · malfunctionedAFTER ENGINE START LEFT GENERATOR DROPPED OFF LINE WITH A/C CROSS TIE LIGHT ON. GENERATOR AND CROSSTIE RESET. REPLACED LEFT GENERATOR CONTROL PANEL, OPERATIONAL CHECK GOOD.SDR 0102525527Control Unit · faultyON DEPARTURE FROM SFO, BOTH ENGINE EPR INDICATIONS WERE ABNORMAL BUT OTHER ENGINE INSTRUMENTS WERE WITHIN PARAMETERS. DURING CLIMB, STATUS MESSAGES APPEARED FOR BOTH ENGINE OIL COOLERS AND REVERSER CONTROL VALVES. THE FLIGHT RETURNED TO SFO AND LANDED WITHOUSDR DLM88011106Control Panel · overheatedRT A/C BUS OFF MSG PRIOR TO TAKEOFF WITH ACCOMPANYING AHRS 2 BASIC LIGHT. SLIGHT ODOR OF ELECTRICAL FUMES AFTER ATTEMPT AT POWER TRANSFER AT GATE. REPLACED AC BUS CONTROL PANEL.SDR SWIA972663Receptacle · meltedON CLIMB OUT FROM EUGENE, NOTICED BURNING SMELL LIKE BURNING RUBBER IN FLIGHT DECK. SMELL CONTINUED, COULD NOT ISOLATE. NO VISABLE SMOKE. DIVERTED TO PDX. RAN AIRCRAFT FOR 30 MINUTES, COULD NOT DUPLICATE. FOUND FORWARD COFFEE POT ELECTRICAL RECEPTACLE MELTSDR USAASB01180Circuit Breaker · faultyCLT - FLT 682 - UPON DESCENT INTO CLT, FROM MIA, CAPTAIN DECLARED AN EMERGENCY WHEN HE HEARD A LOUD POP AND LOST HIS FLIGHT INSTRUMENTS. FIRST OFFICERS FLIGHT INSTRUMENTS SEEMED TO BE WORKING FINE. ONCE ON THE TAXI-WAY, THERE WAS REPORT OF A SMOKE SMELL. EVSDR DL764010937Bpcu · faultyAT FL 370 LOST F/D - AUTOTHROTTLES AND A/P LATER WE GOT L/E SLAT DISAGREE CAUTION MSG ALONG WITH NUMEROUS ADVISORY MSGS. AILERON LOCKOUT AND STBY BUS OFF, ALSO NOTICED THAT DC STBY BUS C/B AND BUS DISTR C/B HAD POPPED AFTER LANDING. ONCE ON GROUND MTC RESET SDR QXEA0100915Harness · chafedPDX - WIRE BUNDLE CHAFING AGAINST LEFT-HAND WING LEADING EDGE SPAR, YW199.4, APPROXIMATELY .003" DEEP, 1/2 INCH LONG, .1 INCH WIDE. REPAIRED IAW HORIZON AIR EA 2-57-110.SDR B3O2001F00000Relay · corrodedDURING TAIL BOOM INSPECTION, TECHNICIAN DISCOVERED BOTH RELAYS HAD SEVERE RUST AND CORROSION ON TERMINALS AND RELAY BODY. LOCATION OF RELAYS ARE UNDER THE AFT A/C SYSTEM CONDENSOR UNIT.SDR R7MR33510Electrical Box · corrodedUNIT INOPERATIVE. FAULT CODES. CORRODED PC CARDS. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.SDR DLM88010770Bpcu · faultyLT BUS POWER INTERUPTIONS AT 33000 FT. RAN AC POWER INTER- CHECKLIST. APU WAS STARTED AND EMERGENCY DECLARED AND A DESCENT INTO PHL. PHL MTC FOUND LEFT ENGINE FREQS AT 383 ON ENGINE RUN. WOULD NOT HOLD BUS WHEN LOADED DOWN. REPLACED BUSS POWER CONTROL UNIT.SDR HEEA073013Harness · chafedWHILE IN CRUISE FLIGHT THE 115 VOLT AFCS CIRCUIT BREAKER POPPED. MAINTENANCE TURNED BATTERY POWER ON AND THE MASTER CAUTION PANEL CIRCUIT BREAKER POPPED ALSO, WITH VISIBLE SMOKE. FOUND CHAFED WIRE BUNDLE WHERE IT EXITS WINDSHIELD POST AREA AT FORWARD EDGE OF SDR SIMA20011173Buss · failedABI - FLT 3328 - CREW REPORTED DURING TAKEOFF ROLL, THE RIGHT MAIN BUSS FAILED. TAKEOFF WAS ABORTED. MAINTENANCE COULD NOT DUPLICATE DISCREPANCY. GROUND RUN OF AIRCRAFT SHOWED NO PROBLEMS. AIRCRAFT WAS RETURNED TO SERVICE. (M)SDR SIMA200111503Power Unit · failedALB - FLT 4873 - DURING FLIGHT, THE LEFT MAIN AND ESSENTIAL BUSSES FELL OFF LINE. HYDRAULIC PUMP FAILED AND GEAR DID NOT COME DOWN. PERFORMED EMERGENCY EXTENSION OF GEAR. LANDED IN ALB WITHOUT FLAP AND LOST NOSE WHEEL STEERING AND BRAKES, PDU P/N A2042C LEFSDR 20010606CW006Harness · corrodedAT TAKEOFF AND INTO CRUISE FLIGHT, THE NR 2 ENGINE BEGAN OSCILLATING AND GOING TO HIGH SIDE. THE NR 2 ENGINE WAS BROUGHT BACK TO THE GROUND POSITION AND HELICOPTER WAS RETURNED TO THE SERVICE LANDING. TROUBLESHOOTING REVEALED CORROSION/ RESISTANCE IN THE NR
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