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 COMA951166Pdu · defectiveAFTER TAKEOFF, LEFT MAIN ELECTRICAL BUS FAILED. REPLACED THE LT POWER DISTRIBUTION UNIT.SDR VTZA95305Pdu · failedFLT NR 6416 - IAD-CHS - DURING CLIMB-OUT, RETURNED TO IAD DUE TO THE NON ESSENTIAL BUSS FAILING IN FLIGHT. AIRCRAFT RETURNED TO IAD WITH NO FURTHER INCIDENTS. MAINTENANCE REPLACED THE RIGHT POWER DISTRIBUTION UNIT. AIRCRAFT WAS RELEASED AND APPROVED FOR RETSDR COMA9511971Relay · defectiveDURING FLIGHT, THE RIGHT 115 VOLT AC BUS LIGHT ILLUMINATES. REPLACED K00006 EMERGENCY BUS SENSOR RELAY.SDR COMA9531152Pdu · defectiveLEFT MAIN ELECTRICAL BUS WILL NOT COME ON LINE. REPLACED THE RT POWER DISTRIBUTION UNIT.SDR AALA951638Wire · out of positionOMA - FLT 1501 - EN ROUTE ORD-DEN - DURING CRUISE, RIGHT AC GENERATOR TRIPPED WITH CROSSTIE LOCKOUT AND MULTIPLE ELECTRICAL ANNUNCIATOR LIGHTS. VOLTAGE AND FREQUENCIES CHECKED GOOD. RESET AC GENERATOR AND TRIPPED AGAIN. STARTED APU AND PLACED APU GENERATOR SDR 95ZZZM574Wire · out of positionOMA - FLT 1501 - EN ROUTE ORD-DEN - DURING CRUISE, RIGHT AC GENERATOR TRIPPED WITH CROSSTIE LOCKOUT AND MULTIPLE ELECTRICAL ANNUNCIATOR LIGHTS. VOLTAGE AND FREQUENCIES CHECKED GOOD. RESET AC GENERATOR AND TRIPPED AGAIN. STARTED APU AND PLACED APU GENERATOR SDR DL757953565Terminal · burnedDURING L/O, FWD EQUIP COOLING FAN C/B POPPED WITH NUMEROUS UNASSOCIATED MTC AND STATUS MSGS. FOUND TERMINAL STRIP TB5012 IN P6-3 PANEL AND BOTH TERMINALS NR 1 PHASE WIRE BURNED. REPLACED TB5012 AND COVER WITH MFG P/N MS27212-3-3 AND MS18029-353. REPLACED WISDR 9513139102Circuit Breaker · failedDURING CLIMBOUT FROM DTW, AUTO-PILOT DROPPED OFF LINE, CAPTAIN'S RMI FLAGGED, FORWARD AND AFT FUEL BOOST PUMP CIRCUIT BREAKERS POPPED. FLIGHT RETURNED TO DTW AND LANDED WITHOUT INCIDENT. FOUND RIGHT AC BUS PHASE A CIRCUIT BREAKER BROKEN AND REPLACED THE CIRCSDR 95ZZZX4611Inverter Harness · miswiredDURING AN INSPECTION, A DUAL FEEDER BUS CONFORMITY TEST WAS PERFORMED. THE INVERTER POWER HARNESS WAS FOUND WIRED TO THE WRONG BUSS (LT WIRED TO RT, AND VICE VERSA). SHOULD THE 325-AMP ISOLATION LIMITER BECOME OPEN, BOTH INVERTERS WOULD FAIL. THIS IS SECONDSDR AALA951406Circuit Breaker · defectiveSJU - FLT 0412 - EN ROUTE STT/JFK DURING CRUISE, AC BUS NR 2 OFF LIGHT ILLUMINATED. AIRCRAFT DIVERTED TO SJU AND LANDED WITHOUT INCIDENT. REPLACED NR 2 AC BUS CIRCUIT BREAKER (DASH 2XN). SYSTEM GROUND CHECKED NORMAL OPERATION.SDR DL73S952862Gcu · failedDURING CRUISE, LOST NR 1 GENERATOR, GCU BREAKER TRIPPED. STARTED APU, UNABLE TO TRANSFER POWER, DIVERTED BOS. REPLACED NR 1 GCU AND NR 1 GEN BREAKER. OP CHECK NORMAL.SDR COM31107Pdu · defectiveLEFT MAIN ELECTRIC BUS FAILED IN FLIGHT AND DID NOT AUTO TRANSFER. REPLACED THE LT POWER DISTRIBUTION UNIT.SDR DLL15952327Wire · shortedDURING LAYOVER, WHILE WORKING DEFERRED ITEM FOR TRIPPED GALLEY POWER BREAKERS, FOUND FWD GALLEY FEEDER WIRES BURNED BELOW FWD CARGO COMPARTMENT FLOOR. WIRES WERE DAMAGED BY RUBBING ON EDGES OF LIGHTNING HOLE BETWEEN PANEL 132CR AND THE CARGO FLOOR. THE CLAMPSDR 9508469910Control Panel · malfunctionedDURING FLIGHT AND ON APPROACH, AN UNUSUAL VIBRATION WAS ENCOUNTERED WHICH SEEMED TO BE COMING FROM BELOW OR FORWARD OF COCKPIT. AFTER LANDING AND PASSENGER DEPLANEMENT, BLACK SMOKE FILLED THE COCKPIT. EXTINGUISHED ALL POWER TO AIRCRAFT AND PULLED ALL CIRCUITSDR 95ZZZX2843Sensor · defectiveTHE PILOTS REPORTED HEARING A C-CHORD CHIME AND THE NR 2 CHANNEL PITCH AND ROLL 'OFF' LIGHTS ILLUMINATED ON THE AUTOPILOT STATUS PANEL. THE PILOT ALSO NOTED THAT THE ESSENTIAL POWER 'ALTN' LIGHT FLICKERED WHEN THIS OCCURRED. MAINTENANCE SUSPECTED THE NR 1 ACSDR HEEA954693Breaker · defectiveBREAKER WILL NOT CLOSE. RECEIVED INSTALLED ON AIRCRAFT N5748M, S/N 28102 ON 12-26-94.SDR 95ZZZX2342Wire · chafedEFIS AUXILIARY POWER ANNUNCIATOR FLICKERED, WENT OUT, AND THEN WOULD NOT TEST. MAINTENANCE FOUND RELAY MODULES K103, K104, AND 5-AMP FUSE F033 INOP AND REPLACED THEM. LATER, DURING TROUBLESHOOTING FOR ANOTHER ELECTRICAL PROBLEM, FOUND A CHAFED WIRE J692007-JSDR COM31049Pdu · defectiveLEFT DC GENERATOR DROPPED OFF LINE AND WILL NOT RESET. REPLACED THE LT POWER DISTRIBUTION UNIT.SDR 95UAL767008Circuit Breaker · trippedTHE C327 CIRCUIT BREAKER TRIPPED IN FLIGHT, CAUSING THE LOSS OF THE RIGHT 115 VOLT A/C TRANSFER BUSS.SDR CAL950114Circuit Breaker · failedFLT NR 0246 - IAH - SEVERAL LEFT AC BUS CIRCUIT BREAKERS BEGAN POPPING AFTER TAKEOFF FROM IAH. THE AIRCRAFT WAS RETURNED TO IAH WHERE IT LANDED WITHOUT INCIDENT. MAINTENANCE FOUND THE B1-743 TO AMP 'C' PHASE CIRCUIT BREAKER ON LEFT GENERATOR PANEL AT FAULT. SDR COM31028Pdu · defectiveEMERGENCY BUS IS ACTIVATED WHEN ALL POWER IS OFF. REPLACED THE LT POWER DISTRIBUTION UNIT.SDR 95ZZZW96Bus Proct Pnl · failedATL-MEM - FLT 520 - REPORTED NUMEROUS CIRCUIT BREAKERS WERE POPPING IN COCKPIT. CAPTAIN DECLARED AN EMERGENCY. FLIGHT RETURNED TO ATL. REMOVED AND REPLACED BUS CONT PANEL, OPS CHECK GOOD PER MM 24-52.
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