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 20000626SH008Fuse · brokenAIRCRAFT LOST POWER TO NR 1 BUSS, TAB, NR 1 COMM, ETC. FOUND F2 PUSH IN TYPE 30-AMP FUSE IN ELECTRICAL DISTRIBUTION BOX INTERMITTANT. FUSE WAS NOT BLOWN, BUT PUSHING ON IT MADE CONTACT WITH A+. TRYING TO REMOVE FUSE, IT BROKE A TAB OFF. THERE WAS ARCING ONSDR C2XA00IA118Panel · malfunctionedIAH - DURING MAINTENANCE INSPECTION, DISCOVERED THE NR 1 ENGINE WOULD SPOOL UNCOMMANDED WHEN ELECTRICAL POWER WAS CONNECTED. MAINTENANCE REMOVED AND REPLACED THE NR 1 POWER SUPPLY PANEL IAW BEECH 1900 MM 24-30-00, AND THE AIRCRAFT WAS APPROVED FOR RETURN TO SSDR CA000501031Connector · contaminated(CAN) SMOKE IN CABIN. AC OUTLET ARCING AND SMOKING AT FLOOR LEVEL UNDERNEATH LT OVERWING EMERGENCY EXIT. WATER INFILTRATION IN CONNECTOR FROM OVERWING EXIT. CONNECTOR REPLACED. (ADP)SDR 20000405SH019Circuit Breaker · failedWHILE CHECKING CIRCUIT BREAKERS FOR AD 70-22-04, FOUND THIS BREAKER WITH MFG DATE OF 9-72 NEARLY JAMMED PER BOEING SB 24-1019 INSPECTION. BREAKER DID NOT HAVE FALCON JET IDENTIFIER STICKER ''431L2'' ON IT, SO APPARENTLY IT HAS BEEN INSTALLED AFTER AIRCRAFT LESDR AU000888Contactor · faulty(AUS) AC ESSENTIAL BUS FEED SWITCH CONTACTOR 3XC FAULTY.SDR CA000224040Circuit Breaker · failed(CAN) DURING MAINT INSPECTION, NR 1 SPU BREAKER TRIPPED AND WAS IMMEDIATELY RESET. SHORTLY AFTER, THE R TRU AND R AC BUS CAUTION LIGHTS CAME ON. NR 2 AC GENERATOR WAS RESET AND THE CAUTION LIGHTS WENT OUT, HOWEVER, 3-5 SECS LATER CAME BACK ON BLINKING AND RTSDR CA000201001Circuit Breaker · failed(CAN) JUST AFTER TAKEOFF THE CAPTS MACH TRIM SYS, ALT ALERT, AUTOPILOT, TRANSPONDER, TCAS AND GROUND PROXIMITY CB POPPED. RESET CB NO FIX A/C RETURNED. UNABLE TO DUPLICATE, CB C425 REPLACED.SDR HEEA066004Relay · failedHORN WOULD NOT COME ON. PART SCRAPPED.SDR AWXA0000018Generator · malfunctionedDIVERSION FOR ELECTRICAL PWR LOSS, REF LP 7583866, APPROX 1.4 HRS INTO FLIGHT NR 1 EFIS SCREENS WENT BLANK, STBY PWR AC BUS WENT TO ZERO VOLTS, ZERO FREQS, PRESSURIZATION FAILED; AFTER 5 SECS IT ALL CAME BACK, NR 1 BUS ALSO FLICKERED OFF. REPLACED TRANSFER RSDR AGQA065534Relay · burnedRELAY IS BURNED.SDR USAAD99177Relay · failedPIT/MSY - FLT 1635 - AFTER LIFT OFF THE ELECTRICAL SYSTEM AC CROSS-TIE LOCKOUT LIGHT ILLUMINATED. SINCE THE LEFT GENERATOR WAS ON MEL, THE AIRCRAFT RETURNED TO THE FIELD AND LANDED WITHOUT INCIDENT. MAINTENANCE REPLACED THE LEFT GENERATOR CONTROL RELAY AND RSDR PNSA991101Circuit Breaker · failedWHILE CLIMBING-OUT PILOT NOTICED SMOKE COMING FROM THE RECOGNITION LIGHT SWITCH-BREAKER. SYSTEM WAS TURNED OFF, SMOKE STOPPED. LANDING WAS NORMAL. SWITCH BREAKER WAS REPLACED.SDR ASAA9940162Harness · failedPDX-ATB OF F500 DUE TO MULTIPLE CIRCUIT BREAKERS POPPED. AIRCRAFT RETURNED TO PDX. PDX MAINTENANCE INSPECTED AND FOUND A FAILURE OF THE WIRE BUNDLE INSULATION AT BS 410, WL 203, RBL 58 (BEHIND LINER IN FORWARD CARGO COMPARTMENT AFT OF E/E BULKHEAD AND FORWARSDR RAIA9910036Pdu · failed6124 - JFK - NON ESSENTIAL BUS SHED AND WON'T RESET. MAINTENANCE REPLACED RIGHT POWER DISTRIBUTION UNIT.SDR AU990969Bracket · broken(AUS) CIRCUIT BREAKER PANEL LOCATED IN LT AC CONTACTOR BOX BROKEN ALLOWING THE TERMINALS TO SHORT CIRCUIT TO THE BOX AND CAUSING THE AC GENERATOR TO FAIL.SDR 99ZZZX4150Circuit Breaker · failedWHILE ADJUSTING PANEL AND INSTRUMENT LIGHTS BRIGHTER, A LARGE STREAM OF SMOKE CAME FROM THE AVIONICS CIRCUIT BREAKER PANEL AREA. SHUT OFF MASTER AND SMOKE STOPPED. FOUND 'PANEL LIGHT' CIRCUIT BREAKER TRIPPED, WAS THEN DETERMINED THAT IT WAS OKAY TO TURN MASTSDR TWAA9913702Bus Tie Unit · wornAFTER TAKEOFF, BOTH ENGINE GENERATORS TRIPPED OFF LINE. THE APU WAS RUNNING AND TOOK THE LOAD. THE RT GEN RESET BUT THE LT WOULD NOT. FLIGHT RETURNED TO STL. REPLACED THE BUS TIE UNIT AND RESET THE LH GEN CONTROL UNIT. CHECK-C 4-30-99 STL.SDR 99UAL900522Cables · chafedWHILE CHECKING INOPERATIVE VIDEO ENTERTAINMENT SYSTEM PROBLEM, FOUND BUFFER BOX NR 2 AND NR 3 CIRCUIT BREAKERS POPPED. ATTEMPTED RESET RESULTED IN SPARKS IN VIDEO CLOSET BEHIND VIDEO EQUIPMENT. SUBSEQUENT INVESTIGATION UNCOVERED BURNED WIRES AT CONNECTOR P3-DSDR ASOA99102Relay · inoperativeFLT 4011 - CREW NOTICED SMOKE IN THE COCKPIT. MAINTENANCE REMOVED AND REPLACED APU FEEDER PROTECTION RELAY. OPERATIONAL CHECKS WERE GOOD. AIRCRAFT RETURNED TO SERVICE. (M)SDR MALA976579Bus Bar · not activatedDURING PREFLIGHT TESTING, FIREBELL WON'T TEST WHEN ENGINE 1-4 AND APU FIRE TEST BUTTONS ARE PRESSED. MAINTENANCE ENERGIZED BUSS BARS, POWERED AIRCRAFT AND PERFORMED TEST PER RJ MM 31-52-11 TEST. AIRCRAFT READY FOR FLIGHT.SDR 99UAL900472R3 Relay · failedNR 1 NORMAL TRANSFER BUS CIRCUIT BREAKER ON THE P6-11 POPPED AND TRANSFER BUS DID NOT TRIP OFF. RESET AND IT POPPED AGAIN AFTER 5 MINUTES. SHORTLY AFTER, THE FOLLOWING LIGHTS CAME ON, NR 1 B ELECTRIC LOW PRESSURE, NR 1 AFT FUEL BOOST PUMP LOW PRESSURE, ANTI-SDR 99FDEA00334Relay · failedON CLIMB, ALL PITOT FAULT LIGHTS, NR 1 PITCH TRIM FAILED NR 2 YAW DAMP, NR 1 & 2 ATS. CABIN PRESS FAILED AUTO & MANUAL. ALL SYS WORKED FINE ON LANDING. *S/D* REPLACED RELAY 10KC, REMOVED AND REPLACED RELAY 14XC PER STD PTCS. TEST NORMAL.SDR AT9900552Bus Control · failedAFTER TAKEOFF, ELECTRICAL POWER WAS LOST FOR A FEW SECONDS AND THEN CAME BACK ON. THIS HAPPEN TWO MORE TIMES. AIRCRAFT RETURN TO ATLANTA AND LANDED AT A WEIGHT OF 100,503 POUNDS. REMOVED AND REPLACED A/C BUS CONTROL PANEL, OPS CHECK WITH ENGINE RUNS AND NUMSDR USAAD99111Ac Buss Control · failedPHL-ROC - FLT 275 - DURING CLIMB-OUT, THE CREW NOTICED NUMEROUS 'CLICKS' INDICATING RELAYS CYCLING. IMMEDIATELY THEREAFTER THE ANNUNCIATOR PANEL INDICATED NUMEROUS SYSTEM FAILURES FOLLOWED SHORTLY BY CABIN PRESSURE WARNING. THE AIRCRAFT RETURNED TO THE FIELDSDR 99ZZZX4252Circuit Breaker · failedCREW DECLARED EMERGENCY EN ROUTE ACK/BOS WHEN SMOKE CAME FROM AFT SIDE PANEL AFTER RE-SETTING AVIONICS MASTER SWITCH, FOR AVIONICS FAILURE. USING EMERGENCY AVIONIC SWITCH, RESUMED COMMUNICATIONS WITH BOS. APPROACH, LANDED WITHOUT INCIDENT. MAINTENANCE REPLASDR AALA991129Relay · defectiveMSY - FLT 207 - EN ROUTE MIA-LAX, LEFT FORWARD FUEL BOOST PUMP CAUTION LIGHT ILLUMINATED AND CIRCUIT BREAKER POPPED. CABIN SIDEWALL LIGHTS AND FLIGHT ATTENDANT JUMP SEAT WORK LIGHTS INOPERATIVE. ALSO, RECEIVED CARGO DETECTION AIR ADVISORY MESSAGE AND SYSTEM SDR USAAD99099Relay · failedPIT/MSY - FLT 474 - AFTER TAKEOFF IT WAS NOTED THERE WERE NO CABIN LIGHTS OR LAVATORY LIGHTS. THE TOILETS DID NOT FLUSH, THE NR 4 TR INDICATED ZERO, AND THE BATTERY CHARGER WAS INOPERATIVE. THE AIRCRAFT RETURNED TO THE FIELD AND LANDED WITHOUT INCIDENT. MAISDR CALA9900815Bus Bar · failedTHE CREW OBSERVED SMOKE IN THE AREA OF THE FIRE T HANDLES ON OVERHEAD CIRCUIT BREAKER PANEL AND JUST TO LEFT OF T HANDLES WHILE EN ROUTE FROM MXP TO EWR. THE EMERGENCY CHECKLIST WAS COMPLETED AND THE AIRCRAFT WAS DIVERTED TO CDG WHERE IT LANDED WITHOUT INCIDESDR DLL19991396Harness · failedUNABLE TO CLOSE CARGO DOORS. FOUND NUMEROUS C/B'S POPPED WHEN OUT AT A/C. UPON FURTHER INVESTIGATION FOUND LARGE WIRE BUNDLE IN MESC DAMAGED AT CLAMP. APPEARS IT CHAFED THRU AND BURNED UP WIRING 60-70 WIRES DAMAGED. REPAIRED WIRING.SDR JBXA9900087Power Sys · malfunctionedCREW REPORTED, IN FLIGHT LOST LANDING GEAR DOWN INDICATION. ALSO, LIGHTS INOP ON LEFT HAND EFIS CONTROL PANEL, SELECTOR LIGHT INDICATION ON NR 1 COM CONTROL PANEL AND ADF CONTROL PANEL. EVERYTHING RETURNED TO NORMAL WHEN EXTERNAL POWER WAS CONNECTED. RAN BOSDR UPS99829630Bus Panel · smokedINSPECTION TYPE:N/A, WHEN GEN RELAY NR 1 CLOSED ON STARTUP, PASSING 45 PERCENT N2, NR 1 BUS PWR FAIL LIGHT ILLUMINATES WITH SMOKE AND ELECTRICAL BURNING SMELL IN COCKPIT BTB (AC VOLTS AND FREQS NORMAL, NO A/C LOAD) 5/18/99 0420Z. REMOVED AND REPLACED BUS PROTSDR VTZA990065Relay · failedFLT 7795 - IAD-RDU - DURING CLIMB, AIRCRAFT MADE AN UNSCHEDULED LANDING DUE TO A/C ESSENTIAL BUS FAILED IN FLIGHT. AIRCRAFT RETURNED TO GATE WITH NO FURTHER PROBLEMS. MAINTENANCE INSPECTED AND REMOVED AND REPLACED A/C ESSENTIAL BUS SENSE RELAY, OPS CHECK OK.SDR DLL19990894Contactor · failedSMOKE AND ELECTICAL SMELL IN FWD E/E. REPLACED NR 1 BTB SYS CKS OK.SDR REXA99011Pdu · failedLOST LEFT MAIN BUSS, LEFT ESSENTIAL BUS AND MAIN INVERTER ON APPROACH. REMOVED AND REPLACED LEFT POWER DISTRIBUTION UNIT. (M)SDR RAIA990418Pdu · failedFLT 7147 - MEM - LEFT BATTERY LIGHT ILLUMINATED. MAINTENANCE REPLACED NR 1 POWER DISTRIBUTION UNIT. (M)SDR WRLA990Relay · failedNR 2 BUS TIE RELAY FAILED CAUSING LOSS OF NR 2 GENERATOR BUS DURING FLIGHT RESULTING IN AN AIR TURNBACK TO WMKK. MAINTENANCE REMOVED AND REPLACED NR 2 BUS TIE RELAY AND THE ELECTRICAL POWER CONTROL UNIT. OPERATIONAL CHECKS OF THE SYSTEM CHECKED OK. (M)SDR 99UAL900201Relay · failedLOST ALL INSTRUMENT SYSTEM POWER ON CAPTAIN'S SIDE OF FLIGHT DECK AND THE POWER FOR THE CABIN PRESSURE CONTROLLER. *S/D* MAINTENANCE REPLACED R3 TRANSFER RELAY AND NR 1 TRANSFORMER RECTIFIER, OPS CHECK OK.SDR 99ZZZX3202Master Box · shortedGENERATOR DISCONNECT LIGHT 'ON'. FAILED SELF-TEST. FAIL CODE LIGHTS RF2. REMOVED AND REPLACED.SDR TWAA9904503Panel · wornWHILE PARKED AT THE GATE USING GROUND POWER, SMOKE WAS SEEN COMING INTO THE CABIN FROM THE LOWER ELECTRONIC COMPARTMENT. SHUT DOWN ELECTRICAL POWER. FOUND THE BUS CONTROL PANEL WITH BURNED WIRING. REPLACED THE BUS CONTROL PANEL. CHECK-C 7-6-98 STL.SDR AU990409Connector · damaged(AUS) NR 2 ENGINE GENERATOR LEAD PHASE `B' PIN AND SOCKET ON CONNECTOR D5126P/J FAULTY. PHASE `B' PIN CABLE W144-002-06 DAMAGED FOR APPROXIMATELY 50.8 MM (2 INCHES).SDR CLCA9903Circuit Breaker · trippedFLT 33 - MIA-SAP - AIR TURN BACK, CLIMBOUT OF FL240 THE FOLLOWING OCCURED. THE LEFT IRS DISPLAYED ON DC AND EICAS MESSAGE. THE CTR AUTOPILOT DISENGAGED AND AUTO THROTTLES DISCONNECTED. SUBSEQUENTLY IT WAS OBSERVED THAT WX RADAR AND LEFT VOR/DME WERE INOPERASDR 99UAL900166Wire · misinstalledFOUND SHORTED AND BURNED WIRING ABOVE CEILING AT THE P300 PANEL. *S/D* THE CAUSE OF THE PROBLEM WAS DAMAGE TO WIRES IN WIRE BUNDLE W2833. THE PROBABLE CAUSE WAS METHOD OF SECURING THE WIRE BUNDLE TO A STANDOFF OR DAMAGE TO THE WIRE DURING THE INITIAL INSTALSDR 99UAL900151Relay · failedEXPERIENCED ELECTRICAL FAILURES STARTING WITH FLIGHT RECORDER OFF LIGHT, ACARS, GPWS YAW DAMPENER, CAPTAIN'S HSI AND ADI. NR 1 AC BUS POPPED AFTER LANDING. *S/D* FAULTY R3 (NR 1 TRANSFER BUS) RELAY, REPLACED R3 RELAY. OPS CHECK OK.SDR CA990330035Pdu · malfunctioned(CAN) PDU UNITS FOUND RUNNING CONTINUOUSLY WITH BURNING SMELL AND SPARKING. PDU DISCONNECTED.SDR MALA976365Pdu · failedON INITIAL CLIMBOUT, THE LEFT MAIN BUS FAILED. REPLACED THE LEFT PDU.SDR HEEA060924Relay · damagedRELAY HAS BROKEN SCREW, MISSING ROD.SDR RAIA990227Circuit Breaker · failedFLT 7332 - STL - MAIN INVERTER CIRCUIT BREAKER BROKE DURING OPS CHECK. MAINTENANCE REPLACE MAIN INVERTER CIRCUIT BREAKER. (M)SDR CA990330036Pdu · failed(CAN) PDU UNIT FOUND SMOKING, ELECTRICAL CONNECTOR DISCONNECTED, AIRCRAFT FLOWN TO MAINTENANCE BASE UNDER MEL.SDR 9900512714Conduit · out of positionON TAKEOFF UPON GEAR RETRACTION, THE NOSE GEAR WARNING LIGHT DID NOT EXTINGUISH. CREW CYCLED THE GEAR, NO HELP. FLIGHT RETURNED TO DTW AND LANDED WITHOUT INCIDENT. MAINTENANCE REPOSITIONED AND SECURED ELECTRICAL CONDUIT, OPERATIONAL CHECK NORMAL.SDR 9900439983Circuit Breaker · failedLOSS OF LEFT AC BUS AND ALL CAPTAIN'S INSTRUMENTS OCCURRED AFTER TAKEOFF. CREW RESET LEFT AC BUS, CIRCUIT BREAKER AND INSTRUMENTS WERE REGAINED. CREW DECLARED AN EMERGENCY. RETURNED TO DTW AND AIRCRAFT LANDED WITHOUT INCIDENT. MAINTENANCE REPLACED LEFT AC B
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