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 MALA976345Circuit Breaker · trippedLT AVIONICS BUS DEAD AND CONFIG WARNING LIGHT PROBLEM. AIRCRAFT RETURNED TO DTW. MAINTENANCE RESET CIRCUIT BREAKER, ALL CHECKS GOOD.SDR CA990310017Terminal Block · burnt(CAN) NR 1 AC AUXILIARY FUEL PUMP NOT WORKING, CIRCUIT BREAKER TRIPPED. TERMINAL BLOCK 2821 TBL FOUND BURNT THROUGH.SDR AU990074Harness · worn(AUS) WIRING HARNESS LOCATED IN THE LEFT CABIN UNDERFLOOR TROUGH CHAFED. HARNESS HAD SUFFERED PREVIOUS MECHANICAL DAMAGE. PART TC: 21,573.SDR AALA990097Relay · failedDFW - FLT 1329 - DURING CLIMB-OUT, AIRCRAFT EMERGENCY BUS OFF LIGHT ILLUMINATED AND CAPTAINS INSTRUMENTS WENT BLANK. THE FIRST OFFICER SMELLED SMOKE IN THE COCKPIT. AIRCRAFT AIR INTERRUPTED AND RETURNED DFW AND LANDED OVERWEIGHT WITHOUT FURTHER INCIDENT. MASDR 99ZZZX811Transformer · damagedDURING A ROUTINE VFR TRAINING FLIGHT, THE CREW NOTICED A STRONG ODOR OF AN ELECTRICAL BURN. THE AIRCRAFT ELECTRICAL SYSTEM WAS TURNED OFF AND A LANDING MADE WITHOUT INCIDENT. FAILURE OF THE G2 COMPASS AMPLIFIER WAS FOUND TO BE THE SOURCE. THE TRANSFORMER COSDR DL72W990051Circuit Breaker · trippedAFT GALLEY FORWARD COFFEEMAKER HAD MILD ELECTRICAL BURNT SMELL. TURNED OFF GALLEY POWER AND PULLED AFT GALLEY C/B. SMELL DISSIPATED. MTC FOUND COFFEEMAKER INTERNAL C/B POPPED. REPLACED SAME, ALL CHECKS NORMAL.SDR CA990125016Bpcu · failed(CAN) DURING CRUISE, THE NR 2 DC BUS WAS LOST. BPCU REPLACED. THE POWER SUPPLY P/N Z100PCA WAS FOUND DEFECTIVE IN THE BPCU.SDR PLGA981228AunknownHPN - FLT 6427 - THE CREW ATTEMPTED TO START THE LT ENG AT THE GATE WHILE THE RT ENG WAS RUNNING. THE LT ENG DID NOT START SO THE START WAS ABORTED AT 900 DEGREES. THE A/C STARTED A SINGLE ENG TAXI TOTHE RUNWAY. ANOTHER ATTEMPT WAS MADE TO START THE LT ENG SDR MALA976267Circuit Breakers · dampON STARTING OF NR 2 ENGINE, NOTICED SMOKE COMING LT CIRCUIT BREAKERS. MAINTENANCE FOUND EVIDENCE OF MOISTURE ON CIRCUIT BREAKER PANEL. CLEANED PANEL. NO CHAFING OF WIRES OR BURNS. NO SMOKE NOTED AT THIS TIME. OPS CHECKS GOOD.SDR SWAA983072Relay · failedSTRONG SMELL COMING FROM ABOVE OBSERVERS JUMPSEAT BEHIND C/B PANEL. NO SMOKE OR HEAT IN THAT AREA. NOTED SMELL INTERMITTANT. LEFT AFT FUEL BOOST PUMP C/B TRIPPED. FOUND R-18 RELAY ARCHING AT D01612 RECEPTICLE. REPLACED D01612 RECEPTICLE AND R-18 RELAY PSDR SWAA983058Relay · burntELECTRICAL ODOR NOTED FROM BEHIND P6 PANEL. INSPECTED AND FOUND R18 RELAY BURNED AND PLUG ARCED. REPLACED RELAY, PLUG AND C/B PER BOEING M/M.SDR AU981592Connector · corroded(AUS) DIODE BOX CORRODED DUE TO WATER CONTAMINATION FROM WATER LEAKINGTHROUGH THE PILOTS DV WINDOW. INVESTIGATION FOUND CORROSION ON THE BOARDS AND CONNECTORS WITH PINS 27, 28, AND 30 OF P141 COMPLETELY CORRODED AWAY.SDR USAASB98299Relay · failedCLT - FLT 272 - DURING CRUISE AT FL 330, THE NR 1 TRANSFORMER RECTIFIER UNIT CIRCUIT BREAKER TRIPPED SEVERAL TIMES AND WOULD NOT RESET. CAPTAIN DECIDED TO DIVERT TO CLT WHERE THE FLIGHT LANDED WITHOUT INCIDENT. NO EMERGENCY WAS DECLARED. MAINTENANCE REMOVEDSDR SWAA982700Relay · failedAIR TURNBACK AFTER CLIMBING THROUGH 24K FT CAS FAILED, SHORTLY AFTER LEVEL AT 33K BOTH TRANSPONDERS FAILED, 10 MIN LATER AUTO PRESS FAILED, LOW IDLE UPON DESCENT. AIRCRAFT MADE AN UNEVENTFUL LANDING. REMOVED AND REPLACED R3 TRANSFER RELAY PER BOEING MM. OPSSDR SWAA982644Distr Panel · shortedJUST PRIOR TO ENGINE START AN ACRID ELECTRICAL SMELL ENTERED CABIN AT THE TIME THE DUS WENT BLANK AND SEVERAL SYSTEMS FELL OFF LINE. FOUND P-91 WIRES TO BE BURNT. REMOVED AND REPLACED POWER DISTRIBUTION PANEL 91 PER M/M 24-21-21-4 OPERATIONAL CHECK OF SYSTEMSDR 99ZZZX403Electrical Box · shortedELECTRICAL BOX UNIT INOPERATIVE. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.SDR 99ZZZX402Electrical Box · shortedELECTRICAL BOX SHORTED OUT (SMOKED). REPLACED WITH NEW UNIT, CORRECTED PROBLEM.SDR SWIA971292Circuit Breaker · trippedON TAKEOFF, FIRST OFFICERS EHSI AND NAV NUMBER TWO WENT INOPERATIVE. RETURNED TO LAX. NORMAL POWER RETURNED TO BOTH UNITS AFTER LANDING. FOUND NUMBER TWO EMERGENCY BUS CIRCUIT BREAKER POPPED. RESET CIRCUIT BREAKER. RAN ENGINE AND ALL CHECKS GOOD.SDR 98ZZZX3973Control Panel · failedBWI/BOS - FLT 728 - AFTER DEPARTURE, THE LEFT ENGINE GENERATOR TRIPPED OFF-LINE. ATTEMPTS TO RESET WERE UNSUCCESSFUL. THE APU WAS ON MEL LEAVING ONLY THE RIGHT ENGINE GENERATOR TO POWER THE AIRCRAFT. THE AIRCRAFT RETURNED TO THE FIELD AND LANDED WITHOUT INCISDR AU981215Connector · failed(AUS) ELECTRICAL CONNECTOR J31/P31 LOCATED IN OVERHEAD PANEL MELTED. SEE MDR 98/1214 FOR ADDITIONAL INFORMATION.SDR AU981214Connector · failed(AUS) ELECTRICAL CONNECTOR J31/P31 LOCATED IN OVERHEAD PANEL MELTED.SDR COMA9860267Ess · malfunctionedAFTER TAKEOFF, ESS AUTO TRANSFER FAILED. COULD NOT DUPLICATE, OPERATIONAL CHECK OF AUTO TRANSFER WAS SATISFACTORY.SDR 98UAL900451Breaker · failedRETURNED TO GATE WITH ELECTRICAL PROBLEMS. FOUND BUS PROTECTION PANEL CIRCUIT BREAKER POPPED AND ELECTRICAL SMELL IN E & E COMPARTMENT. *S/D* REPLACED FAILED NR 3 GENERATOR BREAKER. ALSO, REPLACED BUS PROTECTION PANEL AND GENERATOR CONTROL UNITS PRECAUTIONSDR SWAA981788Circuit Breakers · trippedON GROUND LOSS OF ALL AC POWER, SMELL OF SMOKE MULTIPLE CB'S TRIPPED. APU POWERING BUSSES AT TIME. REMOVED AND REPLACED C803 BREAKER AND APU GCU. RAN APU ENGINES ALL CHECK NORMAL PER BOEING MM.SDR WRLA98090Connector · contaminatedDURING TAXI FOR TAKEOFF, FLIGHT CREW WAS UNABLE TO OBTAIN ELECTRICAL POWER FROM NR 2 ENGINE IDG. FLIGHT CREW ELECTED TO RETURN TO GATE FOR MAINTENANCE. AIRCRAFT RETURNED TO GATE WITHOUT FURTHER INCIDENT. MAINTENANCE PERSONNEL FOUND ELECTRICAL CANNON PLUG ONSDR ARWA9807128Buss Panel · failedWHILE PERFORMING PRE-FLIGHT, COCKPIT FILLED WITH SMOKE. POWER SHUT DOWN, PROBLEM FOUND TO BE, SHORTED BUSS PROTECTION PANEL AND ASSOCIATED WIRING. REMOVED AND REPLACED BUSS PROTECTION PANEL AND BURNT WIRING SYSTEM; TESTED IAW MM 24-20-7. FOUND NOTE: SWISPORSDR ARWA980611Fuse · blownLIGHTING BOLT STRUCK NEAR AIRCRAFT ON GROUND. GROUND POWER WENT OFF AIRCRAFT. AFTER ONE HOUR (STORM) POWERED AIRCRAFT. SMOKE CAME UP BETWEEN CABIN PRESS CONTROL PANEL. LEFT DC INOPERATIVE. SEVERAL AIRCRAFT SYSTEMS INOPERATIVE. ALL FOUR FIRE DETECTION INOSDR HALA9800165Circuit Breaker · trippedFLT 482 - PPT - LEFT EMERGENCY AC BUS OFF LIGHT ILLUMINATED. FOLLOWING CHECKS AND FOUND CIRCUIT BREAKER B-20 (TR 1 INPUT) POPPED. RESET, SYSTEM RETURNED TO NORMAL AT TIME OF FAILURE ST. ELMO'S FIRE WAS OBSERVED. AFTER THE ABOVE EVENT, THE FLAP LIMIT CHANNESDR AU980878Circuit Breaker · failed(AUS) NR 1 AVIONICS MASTER CIRCUIT BREAKER FAULTY.SDR CALA9800896Feeder Cable · shortedINSPECTION FOUND APU POWER FEEDER CABLE NR 2 SHORTED ON STANDOFF ANGLE CLIP LOCATED IN TAIL COMPARTMENT AT SUPPORT CLAMP BETWEEN AFT PRESSURE BULKHEAD AND TERMINAL BLOCK. THE APU POWER FEEDER CABLE WAS REPLACED FROM T-STRIP STA 218 TO APU T-STRIP IN TAIL COMPSDR 98UAL900198Circuit Breaker · failedFIRE FROM NR 2 C/B INS. *S/D* C/B C787 FAILED INTERNALLY. REPLACED BREAKER.SDR WRLA98084Relay · failedDURING TAXI OUT, FLIGHT CREW WAS UNABLE TO PARALLEL THE NR 2 AC BUS. FLIGHT CREW ELECTED TO RETURN TO DEPARTURE GATE FOR MAINTENANCE. A/C RETURNED TO GATE WITHOTU FURTHER INCIDENT. MAINTENANCE PERSONNEL REPLACED NR 2 AC BUS TIE RELAY. RETURN TO SERVICE TESSDR 9807939615Power Relay · failedCREW DETECTED ELECTRICAL BURNING SMELL IN COCKPIT DURING FINAL APPROACH. AIRCRAFT LANDED WITHOUT INCIDENT AND POWER WAS SWITCHED TO EMERGENCY POWER ONLY. SMELL DISSIPATED. MAINTENANCE FOUND LOOSE HARDWARE AT TERMINAL STRIPS ON EITHER SIDE OF CROSSTIE RELAY SDR 9807929983Circuit Breaker · damagedALL PHASES OF LEFT AC BUS CIRCUIT BREAKERS POPPED IN FLIGHT. FLIGHT WAS DIVERTED TO DTW AND LANDED WITHOUT INCIDENT. MAINTENANCE FOUND LEFT AC C PHASE CIRCUIT BREAKER DAMAGED. REPLACED CIRCUIT BREAKER AND RESET ALL TRIPPED CIRCUIT BREAKERS ON AFT PANEL, OPESDR 9807601156Rccb · inoperativeDURING CRUISE, LOST GROUND SERVICE BUS, VIDEO SYSTEM BECAME INOPERATIVE AND ALSO TOILETS. WATER QUANTITY INDICATED ZERO AND WATER PRESSURE INDICATED LOW. FLIGHT DIVERTED TO BOS AND LANDED WITHOUT INCIDENT. MAINTENANCE REPLACED RCCB BI-339, OPERATIONAL CHECKSDR CA980512015Relay · failed(CAN) AC ESSENTIAL BUS CAUTION MESSAGE ON INTERMITTENTLY. CREW REPORTED FAULT OCCURRED ON 3 OF THE LAST 5 LEGS. EMERGENCY LIGHTS ON WHEN FAULT OCCURRED. RELAY K1XD AND NR 1 DATA CONCENTRATOR REPLACED. PART TC: 6,937.SDR ASOA98030Relay Panel · looseON FINAL APPROACH DHN-ATL, EXPERIENCED EMERGENCY BUS 1 FAILURE. CREW EXECUTED A GO-AROUND AND PROCEEDED WITH CHECKLIST. WHILE CIRCLING TO LAND, RIGHT ENGINE NP FELL TO 50 PERCENT WITH ENGINE PRODUCING POWER. CREW ELECTED TO LEAVE ENGINE RUNNING, DECLARE AN SDR 9804019611Terminal · looseDURING CRUISE FLIGHT AT 35,000 FT EN ROUTE, NUMEROUS SYSTEMS FAILED WITH MULTIPLE FLAGS AND ANNUNCIATOR LIGHTS. THESE SYSTEMS INCLUDED ACARS, TCAS, RADIO RACK FAN, PRIMARY LONGERON TRIM, NR 1 COMM, NR 1 NAV, GPWS, ADI FLAGS FOR SPEED, RUNWAY, STEER, AND FLIGHSDR RRXA98066Bus Power Light · illuminatedEN ROUTE, NR 1 ELECTRICAL BUSS POWER FAIL LIGHT ILLUMINATED, NR 1 BUSS DEFERRED TO KDEN. RESET NR1 BUSS, PERFORMED ENG RUN ON ALL 4 ENGS UNDER VARIOUS ELECTRICAL LOADS, SYS OPS CK GOOD.SDR F3LA98005Bus Protect Pnl · failedSFO-DEN - FLIGHT CREW REPORTED SMOKE IN COCKPIT COMING FROM FIRST OFFICERS ELECTRICAL PANEL. AN EMERGENCY WAS DECLARED AND AIRCRAFT WAS DIVERTED TO SLC. AIRCRAFT LANDED WITHOUT INCIDENT. MAINTENANCE REPLACED GENERATOR CONTROL UNIT AND BUS PROTECTION PANEL ASDR AU980185Switch · burnt(AUS) NO1 AVIONICS SWITCH/CIRCUIT BREAKER INTERMITTENT FAULT.SDR VTZA98064Pdu · failedIAD-JFK - FLT 6305 - DURING CRUISE, AIRCRAFT MADE AN UNSCHEDULED LANDING AT IAD DUE TO ELECTRICAL PROBLEM ON THE NON ESSENTIAL BUS POWER WAS INTERMITTENT. AIRCRAFT RETURNED TO GATE WITH NO FURTHER PROBLEMS. MAINTENANCE INSPECTED AND REMOVED AND REPLACED RT PSDR MALA975901Pdu · failedDURING INSPECTION, A STRONG ELECTRICAL BURNING SMELL WAS NOTED COMING FROM THE GPU RECEPTACLE AREA. MAINTENANCE FOUND POSITIVE WIRES OVERHEATED, REPLACED THE RIGHT PDU AND RESECURED WITH NEW POSITIVE WIRES. ALL CHECKS GOOD.SDR 98ZZZX1193Switch · trippedLAX - FLT 676 - GALLEYS WILL NOT POWER UP AND F/A NOTICED ELECTRICAL SMELL IN REAR GALLEY. RESET MASTER START SWITCH, REF BLK 2.SDR EIAA98002Bpcu · contaminatedJFK - AFTER TAKEOFF NR 1 GENERATOR TRIPPED OFF, UPPER YAW DAMPER LIGHT CAME ON ABOUT SAME TIME WITH SPLIT RUDDER INDICATION, SSB OPENED AND NR 3 AND NR 4 BTB'S OPENED. RETURNED TO JFK LANDING NORMAL. REMOVED WATER FROM LOWER CARGO AREA. REMOVED AND REPLACED SDR DLM90980036Relay · failedSHORTLY AFTER T/O, EMERGENCY PWR IN USE LIGHT CAME ON. CAPT PFD FAILED. LATER ACS FAULT MSG IN OAP. RETURNED TO ABQ. REMOVED AND REPLACED RELAY R2-47.SDR 98ZZZX2727Terminal Board · corrodedATW - NR 1 PYLON TERMINAL BOARD J ON AFT PYLON BULKHEAD CORRODED. CLEANED TERMINAL BOARD ON NR 1 PYLON.SDR VJ970367Circuit Breaker · failedAT CRUISE NUMEROUS CIRCUIT BREAKERS TRIPPED WITHIN SECONDS OF EACH OTHER. REMOVED AND REPLACED LEFT PHASE 0 C 50 AMP CIRCUIT BREAKER IAW MM 24-20.SDR MZZA98018Splice · misinstalledKUL - SIGN OF OVERHEAT ON APU FEEDER CABLE SPLICES (GENERATOR) LOCATED AT LEFT AIRCOND BAY. SPLICES CHANGED AS PER MM 24-00-09. FOUND SPLICES CRIMPED BY INCORRECT CRIMPING TOOL. (M)SDR TWRA97201Bpcu · inoperativeSJU-JFK - DURING CRUISE, DIVERTED TO MIA, ESS BUS OFF LIGHT CAME ON AND STANDBY ON LIGHT WAS OP. THE ESS BUSS OFF LIGHT, FWD PNL ON. PLACING ESS A/C BUS SELECTOR SW TO GEN 3, 2 OR 1 NO HELP AND NO CHANGE IN A/C FOR DC POWER. PLACING ESS A/C BUS TO OFF, ALL
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