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 CA141003009Circuit Breaker · cracked(CAN) THE CIRCUIT BREAKER WAS FOUND CRACKED DUE TO OVER TORQUING OF THE SCREW. WIRING DIAGRAM MANUAL STATED INCORRECT TORQUE VALUE. THE MANUAL IS BEING REVISED TO SHOW CORRECT TORQUING VALUE.Sep 25, 2014 · Bombdr DHC8400SDR DXTA2014091505884Electrical Box · unserviceableON CLIMB OUT, A LOUD, SINGLE POPPING NOISE WAS HEARD IN THE CABIN & SIMULTANEOUSLY ALL THE MONITORS WENT BLACK. ELEC SMOKE WAS SMELLED FOR A BRIEF TIME, BUT DID NOT RETURN. THE FOLLOWING CB'S WERE PULLED ON THE RT SIDE SECOND PANEL E10, E11, E12, E13 & E14.Sep 14, 2014 · N518QS · Gulstm GVSPG550SDR WRNA201408280021Rccb · faultedTHE CREW REPORTED THAT PRIOR TO TOP OF DESCENT THAT A LEVEL 2 ALERT FOR GEN BUSS 3 FAULT WAS DISPLAYED IN THE EAD. FOLLOWED THE QRH PROCEDURES, DEPLOYED THE ADG AND NO FUEL DUMP WAS PERFORMED. LANDED WITHOUT FURTHER INCIDENT OR DELAY. PERFORMED FIM 24-20-17,Aug 24, 2014 · N953AR · Doug MD11FSDR ASAA2014082308920Electrical Sys · abnormalACFT EXPERIENCED POWER INTERRUPTION SHORTLY BEFORE PUSHBACK. FMC DISAGREE LIGHT ILLUMINATED AFTER PUSHBACK. ACFT GROUNDED. LIGHT CLEARED AFTER QRH PROCEDURES ACCOMPLISHED.Aug 23, 2014 · N423AS · Boeing 737990ERSDR 2014FA0000475Circuit Breaker · failedPILOT REPORTED ALTERNATOR INOPERATIVE. DURING TROUBLESHOOTING, FOUND THE CIRCUIT BREAKER AT FAULT. INSTALLED NEW CIRCUIT BREAKER, OPS CHECKED GOOD. CIRCUIT BREAKER THAT FAILED WAS INSTALLED TO COMPLY WITH AD 2008-13-17. ACFT HAS HAD THREE OF THE IMPROVED CIAug 11, 2014 · N5530A · Beech F33ASDR SWIA201438919Controller · failedLEFT ACS CHANNEL A CIRCUIT BREAKER TRIPPED INFLIGHT. ACFT DIVERTED. R & R NR 1 ACSC AND AFT LAV EXHAUST FAN IAW AMM.Jul 31, 2014 · N702SK · Cndair CL6002C10SDR ASAA2014071008516Circuit Breaker · trippedCIRCUIT BREAKER D-1 TRIPPED, DISCOVERED IN PREFLIGHT "AFCS SYS A WARN LIGHT". ACFT GROUNDED. CIRCUIT BREAKER RESET ACCOMPLISHED REF 20-60-01. OPS TEST NORMAL. ACCOMPLISHED (DFCS) OPS TEST IAW AMM 22-11-00. OPS TEST NORMAL, NO FAULTS. NO HISTORY 90 DAYS.Jul 10, 2014 · N462AS · Boeing 737990ERSDR 9JLA2014072104799Circuit Breaker · defectiveTHE CREW REPORTED THAT THE MAIN RADIO MASTER FEEDER CB FOR THE PS2 POWER TRIPPED TAKING OUT ALL THE CO-PILOTS AVIONICS. TROUBLESHOOTING FOUND THE 35 AMP 3G MAIN AVIONICS CB WOULD TRIP JUST BY TAPPING NEXT TO THE BREAKER WITH FINGER. THE DEFECTIVE CB WAS REMOJul 1, 2014 · N307RM · Raythn HAWKER800XPSDR FDEA201406201495Circuit Breaker · failedDURING CRUISE, LOST AC BUSS NR 1 ESSENTIAL BUSS & AC EMERGENCY BUSS WAS ON INVERTER. LOST CAPTAIN`S ND, AUTOPILOT 1. FOLLOWED QRH, TURNED OVERHEAD SUPPLY NR 1 ON. REMOVED AND REPLACED CIRCUIT BREAKER 10 XH IAW SMP.Jun 20, 2014 · N740FD · Airbus A300B4622RSDR 2014FA0000378Circuit Breaker · failedPILOT REPORTED THAT THE ALTERNATOR ANNUNCIATION LIGHT CAME ON. TROUBLESHOT THE SYSTEM AND DISCOVERED THAT THE ALTERNATOR CIRCUIT BREAKER WAS INOPERATIVE. REPLACED THE CIRCUIT BREAKER .Jun 16, 2014 · N1564A · Beech F33ASDR SWIA2014061638175Electrical Sys · malfunctionedNR 1 IDG OFFLINE ENROUTE, AC BUSS 1. AC ESS BUSS DID NOT TRANSFER TO IDG 2 AND AC ESS TRANSFER SWITCH WOULD NOT SWITCH POWER TO AC BUSS 2. POWER RETURNED TO ALL BUSES AFTER STARTING APU BUT ELECTRICAL SYNOPTIC PAGE STILL SHOWED BUSSES NOT POWERED AND NO ASSJun 13, 2014 · N750SK · Cndair CL6002C10SDR ASAA2014051507827Circuit Breaker · trippedCIRCUIT BREAKER TRIPPED - P6-2 A3, ACFT GROUNDED. PERFORMED CIRCUIT BREAKER RESET PROCEDURE IAW AMM 20-60-01. CIRCUIT BREAKER REMAINS SET. PERFORMED IFSAU OPS CHECK IAW AMM 22-11-37. BITE AND OPS TEST PASSES. ACFT OK FOR SERVICE.May 15, 2014 · N517AS · Boeing 737890SDR 2014FA0000322Circuit Breaker · crackedWHILE REPLACING THE INOPERATIVE NAVIGATION LIGHT CIRCUIT BREAKER, THE TECH NOTICED THE HOUSING FOR THE LANDING LIGHT SWITCH WAS CRACKED. HE R & R THE LANDING LIGHT CIRCUIT BREAKER.May 15, 2014 · N8240T · Beech F33ASDR 2014FA0000321Circuit Breaker · inoperativePILOT REPORTED THAT THE NAVIGATION LIGHTS WERE INOPERATIVE. THE TECH TROUBLESHOT THE SYSTEM AND DISCOVERED THE NAVIGATION LIGHTS HAVE FAILED. THE TECH REPLACED THE CIRCUIT BREAKER SWITCH.May 15, 2014 · N8240T · Beech F33ASDR CA140429004Control Unit · failed(CAN) DURING APPROACH, THE ACFT LOST COMPLETE POWER "ELECTRICAL" TO THE INSTRUMENT PANEL FOR ABOUT "5 SEC". DURING THAT TIME MANY RELAYS WERE CONSTANTLY CYCLING "ON & OFF". BOTH CPT EFIS SCREEN AND ADC WERE LOST. SOME OF THE WARNINGS WERE "TOO LOW GEAR". EApr 25, 2014 · Aerosp ATR72202SDR A6WA201441431Unknown · malfunctionedAFTER ENG START SELECTED GEN 1 & GEN 2 HEARD LOUD BANG FOLLOWED BY AC 2 AUTO TRANSFER & AUTO TRANSFER FAIL CAUTION MSG. BURNING ODOR NOTED AFTER FAULT. COMPLIED WITH SEVERAL GEN TRANSFER CYCLES IAW AMM 24-20-00 NO DEFECTS NOTED. ALL TRANSFERS SMOOTH NO ODOApr 17, 2014 · N413AW · Cndair CL6002B19SDR 2014FA0000250Contactor · looseDURING ENGINE RUNS FOR JUNCTION BOX NR 3 CHECKS, ELECTRICAL SYSTEM FAULT ON EICAS, CAMS SHOWED K3 RELAY/CONTACTOR FAILURE. WHILE REMOVING K3 CONTACTOR, FOUND TERMINAL POSTS LOOSE ON RELAY.Apr 12, 2014 · N393BZ · Bombdr BD7001A10SDR REXA2014040600362Relay · faultyACFT ESS BUS CAUTION JUST AFTER ROTATION COMPLETED, QRH, NO FIX MSG CONTINUED TO CYCLE ON & OFF 4 - 6 TIMES PER MINUTE. ALL SYSTEMS REF IN QRH THAT ARE LOST CONTINUED TO FUNCTION NORMALLY. EMERGENCY LIGHTS CYCLED ON & OFF WITH CAUTION MSG. R & R ESS BUS SENApr 6, 2014 · N833AY · Cndair CL6002B19SDR ASAA2014020306765Circuit Breaker · trippedWARNING LIGHT BATTERY SYS 4, CIRCUIT BREAKER TRIPPED. ACFT GROUNDED. CHECKED BEHIND P18-1, CIRCUIT BREAKER PANEL FOR CONTAMINATION OR DEFECTS, NONE NOTED. RESET WARNING LIGHT BATTERY CIRCUIT BREAKER IAW MM 20-62-01. WARNING LIGHTS OPS NORMAL IAW MM 22-11-32.Feb 3, 2014 · N431AS · Boeing 737990ERSDR ASAA2014013106736Circuit Breaker · malfunctionedRT FMC FAIL VTK & MAP DISPLAYED ON F/O'S MCDU. FOLLOWED QRH AND PUT FMC SWITCH BOTH ON L. ACFT GROUNDED. CYCLED CIRCUIT BREAKER FOR RT FMC SYS RESTORED AND OPS CHECKED NORMAL IAW FIM 34-61, TASK 836.Jan 31, 2014 · N440AS · Boeing 737990ERSDR SIMA20140119005Circuit Breaker · failedTOTAL AIR TEMPERATURE PROBE HEAT CAUTION RIGHT AFTER TAKEOFF. GEAR IN TRANSIT WOW AOM VOL 1 EMERGENCY ABNORMAL PROCEDURES COMPLIED WITH. FOUND BAD CB A12 IN CBP1. R & R CB A12 IN CBP1 IAW CRJ ESPM 20-25-05.Jan 19, 2014 · N510AE · Cndair CL6002C10SDR YENA20140102001Relay · failedACFT DIVERTED, ELECTRICAL AC ESS BUSS FAULT ECAM DURING CLIMBOUT. TROUBLESHOT IAW TSM 24-50-00-810-803-A. FOUND BUSS CONTROL RELAY 3XH ON THE 106VU FAILED. R & R BUSS CONTROL RELAY IAW ESPM 20-46-00. AC ESS BUSS SYS OPS CHECKED NORMAL.Jan 2, 2014 · N653JB · Airbus A320232SDR DXTA2013121805599Relay · unserviceableUPON SHUTDOWN OF THE APU WE NOTICED A STRONG ODOR WHICH SMELLED LIKE ELEC WIRES BURNING AS WE WALKED TOWARDS THE LAVATORY, OPENED THE ACCESSORY DOOR TO THE APU & NOTICED A VERY STRONG ELEC SMOKE ODOR. DISCONNECT THE BATTERY, INSPECTED AFT J BOX AREA & FOUND RDec 17, 2013 · N695QS · Cessna 560XLSDR SWIA201335535Relay · faultyAC ESS BUS CAUTION MESSAGE ON & EMERGENCY LIGHT ON STATUS MESSAGE. FLT 5549 REPLACED THE AC ESS TRANSFER RELAY K1X10.Dec 9, 2013 · N920SW · Cndair CL6002B19SDR SWIA201335533Relay · faultyAC ESS BUS CAUTION MESSAGE & EMERGENCY LIGHTS ON STATUS MESSAGE. FLT 5253 REPLACED AC ESS RELAY K1XD, ALL MESSAGES EXTINGUISHED, OPERATIONS CHECKED GOOD.Dec 5, 2013 · N965SW · Cndair CL6002B19SDR RAIA201311220001Buss · failedESS BUSS 1 FAILED DURING CRUISE, EMERGENCY LANDING.Nov 22, 2013 · N844HK · Emb EMB145LRSDR A6WA201311254042Relay · faulty3733, DURING CLIMB AT APPROXIMATELY 12,000 FEET RECEIVED AC ESS BUSS CAUTION & EMERGENCY LIGHT CAME ON. THE MESSAGE CLEARED & LIGHTS WENT OUT APPROXIMATELY 20 SECONDS LATER WITHOUT CREW ACTION. THE MESSAGE & EMERGENCY LIGHTS BEGAN TO CYCLE APPROXIMATELY EVENov 22, 2013 · N441ZW · Cndair CL6002B19SDR CALA2013103192540Control Unit · faultyFLICKERING LIGHTS IN GALLEY AFTER POWER TRANSFER FROM APU TO ENG GENERATOR. REPLACED BPCU IAW AMM, RAN ENGINES TESTED OKAY.Oct 30, 2013 · N561UA · Boeing 757222SDR ASAA2013103096257Circuit Breaker · malfunctionedF/O FD FLAG IS SHOWING. ACFT GROUNDED. FOUND AFCS B, FCC, DC CIRCUIT BREAKER OUT. CHECKED BEHIND P6-2 FOR CONTAMINATION OR DEFECTS, NONE NOTED. RESET CIRCUIT BREAKER IAW MM 20-60-01. AFCS B OPS NORMAL REF MM 22-11-00 LRU REPLACEMENT TESTS.Oct 30, 2013 · N538AS · Boeing 737890SDR CALA2013102892436Terminal Block · brokenTERMINAL BLOCK MID GALLEY 300 BROKEN. TERMINAL BLOCK IN MID GALLEY.Oct 25, 2013 · N215UA · Boeing 777222SDR KY7A20131009001Panel · firePILOT REPORTED RT SIDE CIRCUIT BREAKER PANEL CAUGHT FIRE. PILOT DIVERTED TO NEAREST AIRPORT AND LANDED. FIRE/SMOKE STOPPED WITH NO FURTHER PILOT ACTIONS. MX FOUND THAT THE CIRCUIT BREAKER PANEL INTERNAL LIGHTING CIRCUITRY SHORTED AND BURNED/MELTED A SUBSTANOct 9, 2013 · N411BJ · Piper PA31350SDR 2013FA0000560Circuit Breaker · failedPILOT REPORTED ALTERNATOR FAILED. TECH TROUBLESHOT ALTERNATOR SYS AND FOUND THAT THE FIELD BREAKER SWITCH HAD FAILED. SWITCH WAS REPLACED AND ALTERNATOR WORKED NORMALLY. NO CAUSE OR RECOMMENDATIONS AT THIS TIME.Sep 26, 2013 · N1569A · Beech F33ASDR AMCR2013091604Circuit Breaker · brokenDURING REINSTALLATION OF THE PS855A EMERGENCY BATTERY, WENT TO RESET THE 25A CIRCUIT BREAKER AND THE BREAKER BUTTON PUSHED INTO THE CASE. DISCOVERED THAT THE NECK ON THE BREAKER WAS BROKEN, WHICH CAUSES THE BODY OF THE BREAKER TO PUSH IN FURTHER RATHER THAN RSep 16, 2013 · N716DV · Cessna 525CSDR SWIA201334647Relay · failedELECTRICAL SMELL & SMOKE ORIGINATING FROM RELAY PANEL. FLT#5432 REPLACED K0152, R0005, & BUSS BAR W1263 IAW AMM.Sep 14, 2013 · N295SW · Emb EMB120ERSDR CALA2013090991126Relay · faultyAFT CARGO COMPARTMENT LIGHTS DO NOT REMAIN ILLUMINATED WHEN APU POWER IS ON. WORKS OK ON EXTERIOR. COMPLIED IAW MEL. LIGHTS WORKS NORMAL WITH GROUND POWER NOT WITH APU POWER. APU ELECTRICAL INOPERATIVE. REPLACED RELAY K101, IAW AMM 24-51-01-401. GROUND BUSep 7, 2013 · N543UA · Boeing 757222SDR DALA13041805639Circuit Breaker · failedP-11 CIRCUIT BREAKER C36 BROKEN. "EMERGENCY CHARGER ALT". REPLACED CIRCUIT BREAKER C36 IAW WDM 33-51-11. CIRCUIT BREAKER IS INOPERATIVE IAW WDM.Aug 26, 2013 · N539US · Boeing 757251SDR UIEA2013081800451Circuit Breaker · damagedDURING TAKEOFF, MULTIPLE EICAS MESSAGES APPEARED. DUMPED FUEL AND RETURNED TO DEPARTURE. (DURING TROUBLESHOOTING FOUND CIRCUIT BREAKER C3140 (BUS 3 PWR SUPPLY) POPPED. FURTHER INSPECTION REVEALED BREAKER ASSY DAMAGED. R & R CIRCUIT BREAKER IAW & NBSP; SWPM Aug 18, 2013 · N780BA · Boeing 747409SDR ASAA2013070895506Circuit Breaker · trippedON PREFLIGHT, BOTH PACK LIGHTS AND ALL 3 ZONE TEMP LIGHTS ARE ILLUMINATED. APU IS RUNNING AND SUPPLYING BLEED AIR. ACFT GROUNDED. FOUND CIRCUIT BREAKER HOT AND TRIPPED. INSPECTED BREAKER AREA, NO DEFECT NOTED. RESET CIRCUIT BREAKER IAW AMM 20-60-01. PFM DJul 8, 2013 · N518AS · Boeing 737890SDR R61A201307010627Module · corrodedDURING HEAVY CHECK, TWO TRANSISTORS SHOW SIGNS OF CORROSION ON DC POWER MODULE SLOT 7 OF SPDA 1. MX R & R SPDA 1 DC POWER MODULE SLOT 7. OPS CHECKED GOOD. IAW AMM 24-61-13-400-801-A/400.Jul 1, 2013 · N820MD · Emb ERJ170100SUSDR FDEA201305291119Circuit Breaker · trippedDURING ACFT POWER UP, FOUND P320 PANEL, RELAY K24050, CTRL (F1) CIRCUIT BREAKER TRIPPED. RELAY, CONNECTOR, AND WIRES REMOVED AND REPLACED AS PER SWPM 20-10-11 REVISION 53 AND WDM 24-51-41 REVISION 15. PERFORMED AS PER AMM 49-11-00-2 REVISION 67.1 AND BOTHMay 29, 2013 · N883FD · Boeing 777FHTSDR UALA2013053003778Circuit Breaker · trippedLOST E-WD AND F/O SCREENS. LOST BRAKE, SYS 2. FOUND THAT CB "BUS 2-204XP SPLY"(50A), LOCATION: AB2 AT 123VU PANEL HAD TRIPPED, RESET AND ALL AFFECTED SYS INCLUDING THE F/O'S PFD & ND PLUS THE LWR ECAM SCREENS RETURNED TO NORMAL. RAN BOTH ENGINES FOR 10 MINUTMay 28, 2013 · N402UA · Airbus A320232SDR FDEA201305211054Electrical Sys · malfunctionedDURING CLIMB, RECEIVED A PARTIAL POWER LOSS. ALL INSTRUMENTS ON F/O'S SIDE. RT ECAM, RT FMS AND RT IDC 900 WERE LOST. FOUND TR2 FAULTED ON MAINT PANEL. R & R TR2 (2PU) IAW MM 24-32-11-04. OPS TEST NORMAL IAW MM 24-32-00-05. OK FOR SERVICE.May 21, 2013 · N748FD · Airbus A300B4622RSDR ASAA2013051094769Circuit Breaker · trippedCAPT FD ILLUMINATED ON ADI, SPEED TRIM & MACH TRIM LIGHTS ILLUMINATED. A/T WOULD NOT ENGAGE. ACFT GROUNDED. FOUND AFCS SYS A WARN LIGHT C/B P18-1 PANEL OPEN. RESET C/B IAW AMM 20-60-01. ACCOMPLISHED LAND VERIFY TEST IAW AMM 22-11-00-700-801. OPS CK NORMAL AMay 10, 2013 · N519AS · Boeing 737890SDR AALA20130510004Control Unit · inoperativeDFW - CREW REPORTED MULTIPLE AC POWER INTERRUPTIONS WITH CHIMES IN THE LAVATORIES AND FIRST OFFICER INSTRUMENTS BLINKING. EMERGENCY DECLARED FLIGHT RETURNED DFW LANDED WITHOUT INCIDENT. AIRCRAFT REMOVED FROM SERVICE. REPLACED LEFT TR-2 AND BUSS CONTROL UNITMay 10, 2013 · N471AA · Doug DC982SDR UALA2013050603144Circuit Breaker · trippedCREW REPORTED CIRCUIT BREAKER G17 ON P11 TRIPPED SHORTLY AFTER TAKEOFF. G17 FOR 1R CSEU AC PWR SUPPLY. RESET NOT ATTEMPTED DUE TO POWER SUPPLY 2R POWERING THE CSEU. RERACK CSEU POWER SUPPLY AND CHECK PINS ALL OK RESET CIRCUIT BREAKER. CIRCUIT BREAKER STAYMay 3, 2013 · N652UA · Boeing 767322SDR ASAA2013042894655Circuit Breaker · noneAUTOTHROTTLE CIRCUIT BREAKER OPEN. ACFT GROUNDED. NO HISTORY OF CIRCUIT BREAKER TRIPPING LAST 30 DAYS. GVI OF CIRCUIT BREAKER PANEL, NO FAULT FOUND. A/T OPS TEST GOOD, REF AMM 22-31-00-710-801. ALL GROUND VERIFICATION TEST GOOD.Apr 28, 2013 · N536AS · Boeing 737890SDR ASAA2013042794621Circuit Breaker · faultedAFTER LANDING, SHUTTING DOWN NR 2 ENGINE, ACFT MAIN ELECTRICAL BUSS POWER WOULD NOT ACCEPT GROUND POWER. STARTED APU TO ESTABLISH ELECTRICAL POWER ACFT GROUNDED. FOUND CIRCUIT BREAKER MAIN BUSS 2 INSIDE P-92 PANEL OUT. RESET BREAKER, DURING TAP TEST AROUNDApr 27, 2013 · N589AS · Boeing 737890SDR CA130430019Fuse · blown(CAN) ISSUE REPORTED, DURING FLIGHT, THE LT MAIN BUSS WAS LOST. THE ASSOCIATED USERS PRI HORIZONTAL STABILIZER, AP, L PFD, ETC. STOPED FUNCTIONING. CONTROL WAS HANDED OVER TO THE COPILOT AND THE ACFT LANDED UNEVENTFULLY, TEXAS. CAUSE IDENTIFIED, WHILE COMPLApr 24, 2013 · Bombdr BD1001A10SDR QXEA2013042200815Circuit Breaker · trippedSTBY HYD PRESSURE INDICATOR 1 CIRCUIT BREAKER IS TRIPPED. DIVERTED, LANDING UNEVENTFUL. RESET CIRCUIT BREAKER IAW GPM 9.2.2.1. NO HISTORY IN LAST 114 DAYS. C/W OPERATIONAL TEST OF SPU IAW AMM TASK 29-11-36-710-801. OPS CHECKED GOOD.Apr 22, 2013 · N422QX · Bombdr DHC8402SDR ASAA2013040394335Circuit Breaker · trippedCIRCUIT BREAKER FOR REFUELING INDICATOR FOUND TRIPPED ON PREFLIGHT. RESET CIRUIT BREAKER AND INSPECTED, SHOOK DOWN WIRES IN REFUELING PANEL AREA, COULD NOT DUPLICATE PROBLEM. GROUND FUNCTIONAL TESTED GOOD IAW AMM 28-41-61-400-801, PARA H, NO HISTORY LAST 90 Apr 3, 2013 · N559AS · Boeing 737890
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