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.

SDR CA101125003Circuit Breaker · corroded(CAN) WHILE INVESTIGATING ENGINE OPERATION FUEL PRESSURE VARIANCES AND WHY A NEWLY REPLACED ELECTRIC PUMP WAS NOT WORKING ON THE LOW SETTING, A 3 VOLT VOLTAGE DROP WAS NOTED FROM THE MAIN ELECTRICAL BUSS INPUT FEED TO THE ELECTRIC BOOST PUMP. INVESTIGATION FONov 24, 2010 · Diamon DA20C1SDR DALA1033300647Circuit Breaker · failedTHE AUTOPILOT AUTOMATICALLY DISCONNECTED AND THE LT GENERATOR TRIPPED OFF ACCOMPANIED BY A LT BUSS EICAS MESSAGES. FLIGHT CREW ATTEMPTED TO RESET THE GENERATOR SEVERAL TIMES UNTIL EVENTUALLY ELECTRICAL FUMES WERE NOTED. AN EMERGENCY WAS DECLARED AND THE FLIGHNov 18, 2010 · N647DL · Boeing 757232SDR MALA100163Relay · defectiveWHILE SITTING AT GATE 20 MIN AFTER AIRCRAFT POWER UP "EMER LTS ON" STATUS MESSAGE ILLUMINATED. SIMILAR DISCREPANCY LOG PAGE 2056476 AND PAGE 2056477. CYCLED EMER LIGHT SWITCHES, THE LIGHTS CAME BACK ON. NOW ARE STUCK IN GRR. AIRCRAFT TO BE FERRIED FROM GRROct 26, 2010 · N912XJ · Cndair CL6002D24SDR AALA20101019LAS01Buss · failedLAS - INFLIGHT DFW-SFO. CREW REPORTED LEFT GENERATOR FAILED DURING FLIGHT AND AUXILIARY POWER UNIT UNABLE TO START. EMERGENCY DECLARED FLIGHT DIVERTED LAS LANDED WITHOUT INCIDENT. AIRCRAFT REMOVED FROM SERVICE. REPLACED LEFT RIGID BUSS ASSEMBLY. SYSTEM GROOct 19, 2010 · N940AN · Boeing 737823SDR ESPADJ20102Circuit Breaker · weakDEPARTED ON LIVE LEG, APPROX 12 MINUTES INTO FLIGHT AT FL 220 PITOT HEAT AND LANDING GEAR CIRCUIT BREAKERS POPPED. REQUESTED FL 250 AND ADVISED ATC THAT THERE WAS A PROBLEM, ATTEMPTED TO RESET CIRCUIT BREAKERS, CIRCUIT BREAKERS WOULD NOT RESET. REQUESTED TO Oct 7, 2010 · N32PA · Lear 36ASDR UALA2010100603718Circuit Breaker · failedACCOMPLISHED BITE ON BPCU AND HAD 'RT BTB AUX' MESSAGE FOR EXTERNAL POWER BITE RECALL. REPLACED RT BUSS TIE BREAKER (C904) IAW FIM INSTALLED B/P.Oct 6, 2010 · N667UA · Boeing 767322SDR ZZDA2010591Electrical Sys · saturatedNUMEROUS ELECTRICAL FAILURES, STATUS PAGE REVEALED MULTIPLE ALERT FAILURES. DURING INITIAL EVALUATION FOUND WATER AT F/O'S SLIDING WINDOW LOWER CONSOLE AREA. WHEN EBAY DOOR OPENED LARGE AMOUNT OF WATER CAME OUT. INSPECTED AND DRIED F/O'S CONSOLE AREA, UNDERSep 29, 2010 · N932AT · Boeing 717200SDR SWIA201024948Contactor · failedTURNING ON/OFF GENERATOR NR 1 CAUSES FLIGHT MANAGEMENT SYSTEM, LEFT PRIMARY FLIGHT DISPLAY AND MULTI-FUNCTIONAL DISPLAY SCREENS GO BLANK, YAW DAMPENER 2 AND MACH TRIM DISENGAGE. (FLT 4830) REPLACED CONTACTOR GENERATOR TRANSFER CONTACTOR.Sep 28, 2010 · N492SW · Cndair CL6002B19SDR YENA20100917130Socket · defectiveFLT 142 PBI-JFK LP 751966 DURING DESCENT THRU 6000 FEET GOT VERY STRONG SMELL OF BURNING ELECTRIC, NO SMOKE OBSERVED. SMELL WENT AWAY ABOUT 4000 FEET, NO ECAMS ISOLATED TO COCKPIT. PERFORMED TSM TASK 24-00-00-810-823, NO C/B'S TRIPPED. ALL COCKPIT LIGHTING Sep 17, 2010 · N636JB · Airbus A320232SDR RYNA2010009020029Control Unit · malfunctionedROOT CAUSE: LIGHT FLICKERED DURING CRUISE. LEFT GEN DRIVE. REMOVED AND REPLACED BPCU PER MM 24-41-03 DUE TO FAULT MESSAGE "REPLACE BPCU", SERVICED LT IDG PER MM 12-13-01. VERIFIED WIRING FROM D10964 TO 4216P FOR OBVIOUS DEFECTS, VISUALLY CHECKS OK. LT GENSep 7, 2010 · N637TW · Boeing 76733AERSDR CA100907003Relay · failedJUST OVER 6 HRS AFTER DEPARTURE, CREW REPORTED THERE WERE NO SERVICABLE LAVS AND THERE WAS A STRONG ELECTRICAL BURNING ODOR FROM ONE OF WASHROOMS. CREW DECLARED AN EMERGENCY AND DIVERTED. VISUAL INSP CARRIED OUT BEHIND ALL LAV PANELS. NO INDICATION OF ANY DSep 4, 2010 · Boeing 767333SDR 2010FA0000964Converter · failedAC FREQUENCY CONVERTER, SUSTAINED AN UNCONTAINED FAILURE WITH NO ELECTRICAL LOAD APPLIED. FIRE BREACHED THE ALUMINUM CASE PRIOR TO ACTIVATION OF THE ACFT CIRCUIT PROTECTION.Aug 6, 2010 · N601NA · Lkheed S3BSDR UALA2010072102608Switch · faultyMAIN BATT CHARGER MSG SEVERAL REPORTS OF MAIN BATT CHARGER STATUS MSG. REPLACE STANDBY POWER SWITCH ON P5 PANEL. R & R STANDBY POWER CONTROL PANEL IAW MM. OPS CHECK GOOD.Jul 19, 2010 · N553UA · Boeing 757222SDR UALA2010070202359Circuit Breaker · poppedCREW REPORTS LOST NUMEROUS ITEMS. WAS ADVISED A RESET TO RESTORE THE SYSTEM. CREW UTILIZED AUTHORITY TO RESET. ALL SYSTEMS RETURNED TO SERVICE. AUTOTHROTTLE, ACARS, TCAS, UPR EICAS DISPLAY, LT EICAS COMP, GPWS & OTHER ITEMS NOTED ON WD. FOUND THE 115VAC BJul 2, 2010 · N672UA · Boeing 767322SDR DALA1015060838Light · malfunctionedNO POWER AT MID GALLEY. CIRCUIT BREAKER EXPLODED WITH FLASH AND SMOKE. MAINTENANCE INSPECTED MID GALLEY ELECTRICAL PANEL AND FOUND POWER ON LIGHT ASSEMBLY EXPLODED. THE LIGHT ASSEMBLY WAS REPLACED. SYSTEM OPERATION IS NORMAL.Jun 26, 2010 · N838MH · Boeing 767432ERSDR CA100609007Circuit Breaker · sparks(CAN) ACFT WAS ON POSITIONING FLIGHT IN CRUISE AT 5500 FT, FL CREW NOTED SPARKS COMING FROM VICINITY OF AFCS CB PANEL IN THE CEILING AREA OF THE COCKPIT. THIS WAS FOLLOWED IMMEDIATLY BY FLAMES COMING FROM THE SAME AREA. PILOT INITIATED DECENT FOR A FIELD ON Jun 7, 2010 · Skrsky S76ASDR 2010FA0000593Circuit Breaker · tripped((Q3ER)) NR 2 BUS FEEDER BREAKERS POPPED CAUSING LOSS OF GEAR DOWN AND LOCKED INDICATION. PILOT CHOSE TO MANUALLY EXTEND THE LANDING GEAR AND DECLARED EMERGENCY.Jun 4, 2010 · N382ME · Beech 200BEECHSDR UALA2010052801842Relay · faultedBEFORE DISPATCH SEVERAL STATUS MESSAGES APPEARED ON EICAS-MAIN BATTERY CHARGER, EXH NR1 AFT EQUIP WITH FLUCTUATION OF CTR HYD QTY. COMMON 115 VOLT AC FOR ABOVE SYS IS A2 PHASE OF 115V AC GROUND SVC BUSS. WD 24-51-52. FOUND TWO LUGS ON GROUND SERVICE TRANSFEMay 28, 2010 · N596UA · Boeing 757222SDR C2XA10IA155Relay · malfunctionedIAH - FLIGHT 2520, THE CREW REPORTED ELECTRICAL RELAY CONTINUED TO CLICK, AFTER T/O IT SLOWED DOWN CLICKING BUT CONTINUED WHEN THE GEAR WAS LOWERED. THE AIRCRAFT RETURNED TO IAH WHERE IT LANDED WITHOUT INCIDENT. MAINTENANCE REMOVED AND REPLACED RELAYS K0023 May 20, 2010 · N36915 · Emb EMB145LRSDR C2XA10IA154Relay · malfunctionedIAH - FLIGHT 2520, THE CREW REPORTED ELECTRICAL RELAY CONTINUED TO CLICK, AFTER T/O IT SLOWED DOWN CLICKING BUT CONTINUED WHEN THE GEAR WAS LOWERED. THE AIRCRAFT RETURNED TO IAH WHERE IT LANDED WITHOUT INCIDENT. MAINTENANCE REMOVED AND REPLACED RELAYS K0023 May 20, 2010 · N36915 · Emb EMB145LRSDR CA100528007Circuit Breaker · fod(CAN) ACFT TOOK OFF AND AFTER A SHORT PERIOD OBSERVED PROBLEMS WITH THE PRESSURIZATION, NOT PRESSURIZING, AND ELECTED TO SWITCH TO MANUAL AND NOTED THERE WERE NO PROBLEMS AFTER THAT. A SHORT TIME LATER DURING SOME TURBULENCE A LT AC BUS LIGHT ON THE ANNUNCIATMay 19, 2010 · Swrngn SA227ACSDR Y2PA2010051710008Circuit Breaker · arcedMULTIPLE ELEC FAILURES. A-OVERHEAD PANEL LIGHTS INOPERATIVE. B-MASTER CAUTION TRIGGERED BY PITOT/STALL AND RADIO FAN OFF ANNUN LIGHTS. CAUTION COULD NOT BE RESET AND DIMLY LIT. C-NUMEROUS FUEL BOOST PUMP C/B'S TRIPPED. D-RADAR INOP, BLACK SCREEN. E-GPS-1 INMay 15, 2010 · N166DE · Doug DC915FSDR A6WA201040530Relay · malfunctionedDC BUSS 2 CAUTION MSG. R & R CONTACTOR K3PA, RELAY K21PA AND DIODE NR CR28PA IAW 24-50-00. OPS CK GOOD OF DC BUSS 2 AT THIS TIME.May 14, 2010 · N403AW · Cndair CL6002B19SDR UALA2010051201617Bpcu · failedADVANCING THROTTLE CAUSED BOTH LEFT AND RIGHT UTILITY BUS TO DROP OFF. REPLACED BPCU, GROUND TEST OKAY.May 11, 2010 · N590UA · Boeing 757222SDR CA100805007Circuit Breaker · poppedCIRCUIT BREAKER POPS OPEN IN FLIGHT (1 OF 3 IN PARALLEL), REPLACED NEW - NOTE THIS CIRCUIT BREAKER AS REPLACED AT 261 HRS, 342 HRS AND 767 HRS.May 10, 2010 · Cessna 560XLSDR UALA2010051001566Switch · malfunctionedWITH GALLEY SHED BUTTON PUSHED, G-4 GALLEY EQUIPMENT STILL OPERATES. FROM BASE W-U J5659D. W-U R1571S GENERATED TO RECORD. FROM W-U J5659D: 'TROUBLE-SHOT AND REPLACED GALLEY MICRO-CONTACTOR 13MC' IAW AMM. OP'S TEST CKS OK.May 7, 2010 · N452UA · Airbus A320232SDR UALA2010040701159Circuit Card · failedELMS P310 CHANNEL CARD FAILED. REPLACED A3 CPU CARD IN ELMS P310 PANEL. CORRECTION: A3 - L ARINC 629 CARD WAS REPLACED IN P310 ELMS PANEL.Apr 6, 2010 · N215UA · Boeing 777222SDR P4YA2010032500001Current Limiter · shortedON TAXI OUT BOTH PILOTS SMELLED AN ELECTRICAL BURNING SMELL AND SAW LIGHT SMOKE COMING FROM THE JUNCTION BOX PANEL. THE ACFT WAS STOPPED, ENGINES SHUTDOWN, AND THE CREW SAFELY EGRESSED THE ACFT WITHOUT INCIDENT. A MX REPAIR TEAM WAS FLOWN TO ACFT AND FOUND THMar 25, 2010 · N955BW · Swrngn SA227*SDR UALA2010022200636Circuit Breaker · faultyCIRCUIT BREAKER POPPING, FLIGHT DIVERTED. REPLACED CB C883, ACCOMPLISHED TEST OF RELATED SYSTEMS: AUTO BRAKE, TMC, GPWS, ALSO MCDP TEST OF L, C, AND R AUTOPILOTS REPLACED CB. ALL TESTED OKAY.Feb 19, 2010 · N674UA · Boeing 767322SDR IPXA10M58188Rccb · failed2 FCC DATA FAULTS (2A,2B) HYD 3 PUMP OFF ALERT, AVIONICS FAN OVERRIDE ALERT. FOUND 3 DC BUSS RCCB B1-894 IAW AMM 24-50-01-4 FAILED. ALSO, REPLACED R2-10 AND R2-5153 IAW AMM 24-32-00-5 & SWPM 20-00-09. RAN ENGINES. ALL ELECTRICAL BUSS OPERATED NORMALLY. REJan 17, 2010 · N296UP · Doug MD11FSDR USAA20100115SB006Circuit Breaker · overheatedCREW REPORTED THE COCKPIT LIGHTING GOES FROM BRIGHT TO EITHER DIM OR OFF. AT OVERHEAD & FORWARD PANEL, THERE IS AN ODOR OF SOMETHING ELECTRICALLY HOT. HOT ODOR WAS ALSO REPORTED BY FLT ATTENDANT IN FIRST CLASS CABIN. MAINTENANCE CONFIRMED FAILURE FOR LIGHT Jan 14, 2010 · N532AU · Boeing 7373B7SDR AXSA196WA11/14/09Circuit Breaker · burned outFLIGHT 1130 - DURING CLIMBOUT THE PILOT NOTED SMOKE COMING FROM THE CB PANEL. THE PILOT ELECTED TO RETURN TO BUF AND LANDED WITHOUT INCIDENT. MAINTENANCE EVALUATION REVEALED A BURNED OUT RT BLEED AIR CONTROLLER CB. THE CB WAS REMOVED AND REPLACED AND THE AINov 14, 2009 · N196WA · Beech C99SDR ASOA200901243Buss · overheatedAT 35000 FT, LOUD POP AND ODOR OF SMOKE ON CAPT SIDE. THEN ESS AC BUSS FAIL. RAN QRH AND WOULD NOT TRANSFER TO GEN 2. ALSO NR1 TEN ON SYN PAGE WAS PURPLE IN COLOR AND ALL DASHES FOR KVA VOLTS AND HERTZ. BUSS NR 1 WAS ALSO PURPLE IN COLOR. LANDED DUE TO MTCNov 5, 2009 · N132EV · Cndair CL6002D24SDR DXTA2009110603849Circuit Breaker · inoperativeRIGHT BOOST PUMP APPEARS TO BE INOP RT FUEL BOOST LIGHT WOULD NOT ILLUMINATE IN CROSS FEED ON ON WHEN CROSS FEED SELECTED TO RIGHT TANK LT ENGINE, LOW PRESS LIGHT WOULD FLASHAND LT BOOST LIGHT WOULD ILLUMINATE. REMOVED AND REPLACED RT BOOST PUMP CIRCUIT BREANov 5, 2009 · N820QS · Cessna 560CESSNASDR AXSA192WA102609Diode · shortedDURING A CHECK RIDE POWER TO THE LT BUS FAILED, THE NR 1 INVERTER FAILED AND THE LANDING GEAR WOULD NOT EXTEND. THE PILOTS LOWERED THE LANDING GEAR MANUALLY USING THE EMERGENCY CHECKLIST AND LANDED IN MHT WITHOUT INCIDENT. MAINTENANCE EVALUATION DISCOVERED AOct 26, 2009 · N192WA · Beech 99SDR DL76L091557Control Panel · intermittentWITH LEFT GEN RUNNING RT AC BUS OFF MSG. REPLACED BPCU SINCE FAULTED, NO HELP. T/S PER FIM REMOVED AND REPLACED APU BTB, NO HELP. FURTHER T/S SHOWED THE STBY PWR PANEL INTERMITTENT. REMOVED AND REPLACED STBY PWR PNL. RAN LT ENGINE, CHECKS OK. ETOPS CATEGSep 26, 2009 · N175DN · Boeing 767332SDR SWIA200922485Unknown · arcedARCING DAMAGE ON ACPC TERMINALS FOR GTC NR 1. (SVC CHECK) REPLACED ACPC.Aug 30, 2009 · N806SK · Cndair CL6002D24SDR SWIA200922488Relay · burnedRELAY IN JB5 BURNED. (SVC CHECK) REPLACED RELAY.Aug 29, 2009 · N930SW · Cndair CL6002B19SDR DL76G091355Relay · failedLEFT UTILITY BUS OFF AFTER ENGINE START. REPLACED LEFT UTILITY BUS RELAY. UTILITY BUS OPERATES NORMALLY.Aug 18, 2009 · N172DZ · Boeing 767332SDR UALA2009060901641Bpcu · failedAFT GALLEYS LOST ALL ELECTRICAL POWER (CHILLER INOP, COFFEEMAKER INOP, LIGHTS INOP). FOUND BUSS POWER CONTROL UNIT INOP, NO DISPLAY AVAILABLE. REPLACED BPCU. ALL BPCU FUNCTIONS CHECK OK. AFT GALLEY POWER NORMAL.Jun 8, 2009 · N546UA · Boeing 757222SDR CA090526001Circuit Card · burned(CAN) ON LANDING ROLL OUT, THE CREW STARTED THE APU, THE APU GEN CAME ON LINE AND THEN FAILED. THE CREW TRIED A RESET WITH NO LUCK SO KEPT RT ENGINE RUNNING AND SHUTDOWN THE APU. BY THIS TIME THE ACFT WAS ON PARKING BAY AND PASSENGERS WERE GETTING OFF. THERE May 22, 2009 · Bombdr BD7001A11SDR UALA2009042801231Bpcu · faultyGALLEY POWER INTERMITTENT. REPLACED BUSS POWER CONTROL UNIT. LOADED NEW SOFTWARE INTO NEW UNIT OPS2402-SUU-BCU-03. TESTED GOOD.Apr 27, 2009 · N791UA · Boeing 777222SDR UALA2009041001041Module · faultyRIGHT UTILITY BUSS CYCLING ON AND OFF, ALONG WITH FWD & AFT GALLEY POWER. EICAS MSG RECIRC FAN, ALSO DISPLAYED INTERMITTENTLY. KEPT FWD GALLEY PWR SW IN THE OFF POSITION. REPLACED M24405 SIGNAL CONDITIONING CARD PER FIM 24-51 TASK 811, MM 24-09-00, CHECKED Apr 10, 2009 · N791UA · Boeing 777222SDR HYIA1361GMaster Switch · failedCREW REPORTED BURNING ODOR IN COCKPIT. MAINTENANCE REMOVED AND REPLACED AVIONICS MASTER SWITCH.Mar 24, 2009 · N1361G · Cessna 402CSDR HYIA812ANMaster Switch · unserviceableCREW REPORTED AVIONICS MASTER SWITCH FAILED TO TURN OFF. MAINTENANCE REMOVED AND REPLACED SWITCH.Mar 23, 2009 · N812AN · Cessna 402CSDR SWIA200921510Relay · overheatedC-CHECK, RELAY K1LL SHOWS SIGNS OF OVERHEATING. REPLACED RELAY.Mar 13, 2009 · N984CA · Cndair CL6002B19SDR HYIA106CAMaster Switch · unserviceableDURING ROUTINE MAINTENANCE, AVIONICS SWITCH WAS FOUND INOPERATIVE. MAINTENANCE REMOVED AND REPLACED SWITCH.Mar 8, 2009 · N106CA · Cessna 402CSDR HNAA2009030400087Control Panel · faultyINFLIGHT, CIRCUIT BREAKER FOR LEFT AIRCRAFT VOLT METER B AND C PHASES AND RIGHT AIRCRAFT VOLT METER A, B, C PHASES AND CIRCUIT BREAKER J9 ON RIGHT ESSENTIAL BUSS "PWR MONITOR" "AC" POPPED AND ELECTRICAL SMELL OBSERVED. SMELL DISSIPATED WHILE STILL IN FLIGHT. Mar 3, 2009 · N807EX · Dhav DHC8102SDR AALA2009012700245Circuit Breaker · failedORD INFLIGHT - DURING CLIMB CENTER TANK PRESSURE INDICATOR LIGHT ILLUMINATED ON OVERHEAD PANEL. LANDED ORD WITHOUT INCIDENT. FOUND THREE FUEL PUMP CIRCUIT BREAKERS POPPED. REPLACED LEFT AC PHASE C CIRCUIT BREAKER B1743. SYSTEM GROUND CHECKED NORMAL OPERATIJan 27, 2009 · N9615W · Doug DC983SDR CA090210010Meter · failedPILOT REPORTED, AC POWER METER CIRCUIT BREAKER POPPING. RECTIFICATION AC POWER METER REPLACED, CHECKED SERVICEABLE. AC POWER METER SENT TO VENDOR FOR REPAIR. WILL UPDATE SDR AT RECEIVING OF STRIP REPORT. UPDATE, FEB 10 2009 STRIP REPORT FROM AVIONICS SHOP Jan 22, 2009 · Dhav DHC8311
Back to JASC 2450