JASC 2420

Service difficulty reports · 1,302

Reports filed under 2420 · AC Generation 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 = '2420'
  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 CA140829003Frequency Gen · failed(CAN) AIRCRAFT RECENTLY HAD A NR 1 VFG OIL PUMP FRACTURE FAILURE. AIRCRAFT LANDED WITHOUT ANY ADDITIONAL ISSUES FOLLOWING THE DISINTEGRATION OF THE NR 1 GENERATOR AFTER APPROX. ONE HOUR INTO THE FLIGHT. THE VFG INSTALLED WAS A -5. THERE WAS COWLING DAMAGE DUEAug 25, 2014 · Bombdr BD7001A10SDR SWIA201439014Adg · unwanted deployTHE ADG DEPLOYED IN FLIGHT. THE AC ELECTRICAL SYSTEM DID NOT FAIL. F/O REPLACED ADG CONTROL PANEL AND RESTOWED ADG.Aug 6, 2014 · N935SW · Cndair CL6002B19SDR ASAA2014072108632Warning Message · illuminatedTRANSFERING ACFT POWER FROM GROUND POWER TO APU POWER SELECTED THE LT APU SWITCHED TO ON AND THE LT SOURCE OFF LIGHT STAYED ON. ACFT GROUNDED. GROUND VERIFICATION TEST GOOD, IAW FIM 24-21 TASK 823. NO HISTORY PAST 30 DAYS.Jul 21, 2014 · N433AS · Boeing 737990ERSDR CALA2014071591473Relay · malfunctionedELECTRICAL BACKUP SYS STATUS MSG. ACCOMPLISHED FIM 24-25 TASK 858 FOR LATCHED MSG 24-48110, CCB K24202 FAULTED. ACCOMPLISHED ENG RUN UP USING BOTH AS POWER SOURCE THEN SELECTING EACH GEN AS SINGLE POWER SOURCE FOR ENTIRE ACFT, TRANSFER NORMAL. AS PRECAUTIONJul 13, 2014 · N218UA · Boeing 777222SDR CA140707006Gcu · failed(CAN) AT TOP OF DESCENT THE ACFT LOST AC BUS 1 FAIL. LOST ALL DISPLAYS ON THE CAPTAIN SIDE, ALSO LOST NAV SYSTEM, SPOILERS, THRUST REVERSES AND STEERING. FLIGHT LANDED WITHOUT FURTHER INCIDENT. THE ACFT ALSO LOST THE LIGHTS IN THE PASSENGER CABIN. THE CREWJul 5, 2014 · Emb ERJ190100IGWSDR ASAA2014062008301Warning Message · false activationAPU GEN OFF BUSS LIGHT ILLUMINATED WITH APU SWITCH IN OFF POSITION. ACFT GROUNDED. ACCOMPLISHED APU BITE PROCEDURE IAW AMM 49-61-00-700-801. NO FAULTS NOTED. INITIATED THREE START & SHUTDOWNS - ALL SUCCESSFUL. CHECKED APU INPUT MONITORING, ALL SWITCH POSITIJun 20, 2014 · N585AS · Boeing 737890SDR SWIA201438175Buss · failedNR 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 BUSSES AFTER STARTING APU BUT ELEC SYNOPTIC PAGE STILL SHOWED BUSSES NOT POWERED AND NO ASSOCIATEDJun 13, 2014 · N750SK · Cndair CL6002C10SDR ASAA2014052807964Control Panel · failedAPU GENERATOR NOT COMMING ON LINE. ACFT GROUNDED. REMOVED AND INSTALLED NEW P5-4 PANEL. PERFORMED OPS TEST REF 24-21-00. SYS CKS NORMAL.May 28, 2014 · N581AS · Boeing 737890SDR ASAA2014051507830Pcu · failedLEFT SIDE MASTER CAUTION GLARESHIELD ELETRIC DOES NOT ILLUMINATE. ACFT GROUNDED. REPLACED THE P5-5 GEN DRIVE AND STDBY PWR MODULE REF TASK 24-21-52-000-801. STDBY PWR SYS OPS TEST NORMAL REF TASK 24-34-00-710-802. ACCOMPLISHED OPS TEST FOR NR 1 IDG REF MMay 15, 2014 · N594AS · Boeing 737890SDR FDEA201405130997Unknown · unknownON ARRIVAL, LOST AC BUSS 2 AND ALL ASSOCIATED EQUIPMENT & FLIGHT CONTROLS. NOT ABLE TO RESET ANYTHING. ACFT FLOWN ON GEN 1 & APU GEN ENTIRE FLT IAW MEL 24-11-01-A. SUGGEST GEN 2 IS NOT THE PROBLEM. PERFORMED TROUBLESHOOTING PROCEDURES TO AC BUSS NR 2, FOUNMay 13, 2014 · N682FE · Airbus A300F4605RSDR SWIA201437454Control Unit · failedADG DEPLOYED AFTER TAKEOFF. REPLACED AUTO DEPLOY CONTROL UNIT.May 9, 2014 · N564SW · Emb EMB120ERSDR CALA2014041790842Control Unit · faultyAIRCRAFT FROM HANGAR WITH BCU 1 FAULT WITH ASSOCIATED EIU L MESSAGES. REPLACED BCU 1 IAW AMM 24 -23-01, OPERATIONS CHECKED NORMAL.Apr 15, 2014 · N127UA · Boeing 747422SDR SWIA201436759Adg · unwanted deployADG DEPLOYED AT ROTATION. RESTOW AND INSPECTED ADG AFTER UNCOMMANDED DEPLOYMENT.Mar 12, 2014 · N943SW · Cndair CL6002B19SDR FDEA201402060277Latch · out of adjustADG DEPLOYED IN FLIGHT. INSPECTED ADG & FOUND NO DEFECTS. ATTEMPTED TO STOW ADG IAW MD 1124-25-01-2. FOUND UP LATCH NOT FULLY ENGAGED. ADJUSTED UP LATCH & PUSH PULL CABLE IAW MM 24-25-01-5. DEPLOYED ADG & RESTOWED ADG IAW MM 24-25-01-2, OPERATIONS CHECKEDFeb 6, 2014 · N592FE · Doug MD11FSDR CALA2014020690302Switch · malfunctionedAFTER STARTING LT ENG USING AIR CART & EXT POWER LT GEN CONTROL DIED. CYCLED LT FIRE HANDLE, RESET GEN CONTROL SWITCH, STARTED NR 1 ENG OK.Feb 5, 2014 · N210UA · Boeing 777222SDR UIEA2014013000042Switch · defectiveRIGHT GENERATOR SWITCH COVER WILL NOT STAY LATCHED. REPLACED GEN CONTL SWITCH LIGHT ASSEMBLY.Jan 30, 2014 · N642GT · Boeing 7673Y0SDR UIEA2013123000619Control Valve · leakingHMG CONTROL VLV LEAKING. R & R HMG CONTROL SHUT OFF VLV IAW AMM 24-25-03.Dec 29, 2013 · N641GT · Boeing 76738ESDR CA131121004Gcu · failed(CAN) THE FLIGHT CREW EXPERIENCED MOMENTARY COMPLETE POWER LOSS FOR 1-2 SECONDS TWICE DURING THEIR TAKEOFF ROLL. THE FOLLOWING IS A DE-BRIEFING WE RECEIVED FROM THE FLIGHT CREW ON THE EVENTS. THE CREW ARRIVED TO A DARK AIRCRAFT WITH NO GROUND POWER AVAILABLENov 20, 2013 · Cndair CL6002B19SDR 2013FA0000704Static Inverter · damagedDURING APPROACH, A PASSENGER NOTICED SPARKS COMING FROM THE AREA OF THE AFT MOUNTED CABIN AC INVERTER. ACCORDING TO PASSENGERS AND CREW, THERE WAS NOTHING PLUGGED IN OR THE 110 VOLT AC OUTLET ON THE INVERTER FRONT PANEL. AFTER AN UNEVENTFUL LANDING, MECHANICNov 17, 2013 · N6UP · Swrngn SA227TTSDR ASAA2013110796340Power Unit · failedAFTER APU START 0 FREQUENCY AND 0 VOLTS DISPLAYED UNTIL SELECTING ON THE APU GENERATOR. ACFT GROUNDED. REPLACED THE P5-13 ELECTRIC METER AND GALLEY POWER PANEL, OPS CHECKED GOOD, REF AMM 24-21-53-400-801.Nov 7, 2013 · N581AS · Boeing 737890SDR CALA2013102192200Unknown · malfunctionedAPU WILL NOT PICKUP ELECTRICS WHEN COMING OFF EXTERNAL POWER.Oct 21, 2013 · N465UA · Airbus A320232SDR CALA2013101692130Relay · failedRT IDG VLV STATUS MESSAGE REPEAT WRITE UP. TROUBLE SHOT IAW FIM 24- 20-00 & WDM 24-11-21 PAGE 1 SHEET 2. REPLACED RELAY K971, RAN ENG IAW JRH 2-6-1. TEST PASSED, NO FUTURE MESSAGES APPEAR AFTER ENG RAN.Oct 15, 2013 · N665UA · Boeing 767322SDR FDEA201309272331Control Unit · failedDURING COCKPIT PREFLIGHT, CYCLED EMERGENCY POWER SWITCH TO ON-SELF TEST LATER FAILED. R & R EPCU REF AMM 24-08-01-4, RTS TEST PASS. OK FOR SERVICE, EMERGENCY PWR TEST PASS. ACFT ALREADY CAT 2. FROM FACT PREMATURE REMOVAL/INSTALLATION.Sep 27, 2013 · N302FE · Doug MD1030FSDR CA130919003Gcu · failed(CAN) ON DEPARTURE, THROUGH FL210 ACFT EXPERIENCED MULTIPLE ELECTRICAL SYS FAILURES ON TWO OCCASIONS. THE CREW ELECTED TO DIVERT BACK AND DECLARED A PAN PAN WITH ATC. FLIGHT LANDED APPROXIMATELY 1000KGS OVERWEIGHT AND WAS MET BY AIRPORT CFR WITH NO FURTHER ISSep 18, 2013 · Airbus A319114SDR CA130913002Sump · fractured(CAN) THE EICAS POSTED A CYAN GENERATOR 2 FAIL CAS MESSAGE. DC SYNOPTIC PAGE VERIFIED ITS VALIDITY. CREW PROCEEDED TO COMPLETE THE GENERATOR 2 FAIL MSG CHECKLIST AND WAS UNABLE TO RESET. 3 MINUTES LATER A THUMP WAS HEARD THE EICAS POSTED A CYAN LT ENGINE FISep 11, 2013 · Bombdr BD7001A11SDR CA131111002Control Unit · inoperative(CAN) ACFT FOUND ON GROUND RUN TO BE NOT CHARGING. SNAG TROUBLESHOT TO FIND PROBLEM TO BE ALTERNATOR CONTROL UNIT PN AC2101. NO VOLTAGE FOUND TO BE SUPPLIED TO ALTERNATOR FIELD WIRE. ALTERNATOR CONTROL UNIT REPLACE NEW. GROUND RUN COMPLETED ALL PARAMETERS Sep 5, 2013 · Cessna 172SSDR VNAA2013082200013Adg · unwanted deployCREW REPORTED ADG INADVERTENTLY DEPLOYED IN FLIGHT. DIVERTED DUE TO WEATHER AND LANDED WITHOUT INCIDENT. MX INSPECTED, STOWED ADG AND PERFORMED CHECKS IAW AMM. ACFT RELEASED FOR SERVICE.Aug 22, 2013 · N703PS · Cndair CL6002C10SDR CALA2013081290371Apu · failedAPU GEN FAILURE, FLT DIVERTED. APU GENERATOR FAIL TO COME ON LINE AFTER HIGH ALT START. APU OIL WAS LOW UPON ARRIVAL. APU OIL SERVICED TO FULL. ATTEMPTED APU START. EXCESSIVE SMOKE OUT OF APU TAILPIPE. APU OIL SIGHT GLASS INDICATES OIL SERVICE NEEDED AAug 10, 2013 · N586UA · Boeing 757222SDR UALA2013071204875Coupling · leakingELECTRICAL BACKUP GENERATOR FAILED. FOUND GENERATOR LOST OIL DUE SERVICE COUPLING LEAKING AND UNABLE TO RESET TO CLOSE. REPLACED COUPLING AND NO LEAKS NOTED. SERVICED GENERATOR. NR 2 BACK UP GENERATOR CHECKED NORMAL IAW AMM 24-25-00.Jul 8, 2013 · N212UA · Boeing 777222SDR CA131111012Control Unit · malfunctioned(CAN) ACFT FOUND ON GROUND RUN TO BE NOT CHARGING. TROUBLESHOOTING FOUND THE PROBLEM TO BE THE ALTERNATOR CONTROL UNIT, PN AC2101. NO VOLTAGE FOUND TO BE SUPPLIED TO ALTERNATOR FIELD WIRE. ALTERNATOR CONTROL UNIT REPLACED NEW. ACFT GROUND RUN COMPLETED ALL Jun 13, 2013 · Cessna 172SSDR USAA2013061700019O-Ring · damagedNOTICED A NOXIOUS ODOR IN CABIN DURING VERY HEAVY RAIN AND HAIL WITH PACKS ON APU BLEED AIR. SMELL WAS THROUGHOUT CABIN AND COCKPIT. ODOR WAS OILY DIRTY SOCK SMELL. TURNED OFF APU BLEED TO PACKS AND ODOR DISSAPATED. R & R O-RINGS ON APU GENERATOR RECEPTACLEJun 13, 2013 · N543UW · Airbus A321231SDR SOKF20130612005Contactor · damagedDURING CRUISE, ACFT DIVERTED DUE NR 2 IDG OFF BUSS, GLC 2 FAULT, CMC MESSAGE, AT STATION. PERFORMED FIM 24-21-00-810-850-A AS T/S SWAPPED GLC 2 WITH APU ALC, TEST IAW AMM 24-21-21-400-801-A, TEST WAS SATISFACTORY, ADDITIONALLY CHECK WITH ENGINE RUNNING IAW AMJun 9, 2013 · N937TA · Emb ERJ190100IGWSDR YENA20130608123Gcu · faultyDIVERTED, DURING CLIMBOUT OF 19,000 FT POSSIBLE LIGHTNING STRIKE. MULTIPLE ELECTRICAL FAILURES. NR 1 GENERATOR , ALL EFIS DISPLAYES WENT BLANK. F/O'S CAME BACK FOLLOWED BY CAPTAINS 1 MINUTE LATER. LIGHTNING STRIKE INSPECTION PERFORMED IAW AMM 05-51-200-001-Jun 8, 2013 · N586JB · Airbus A320232SDR UALA2013051303312Converter · failedELEC BACKUP SYS A FAILURE IN THE BACKUP ELECTRICAL SYS HAS OCCURRED THAT CANNOT BE ATTRIBUTED TO A BACKUP GENERATOR. FOUND BACK UP CONVERTER FAULTY IAW FIM 24-25-TASK 802. 28V DC PCN PRESENT AT PIN 1 OF CONNECTOR 24008, REF WDM 24-25-31. REQUIRED 566-9012 NMay 12, 2013 · N213UA · Boeing 777222SDR ASAA2013050994772Module · malfunctionedELECTRICAL VOLT AND AMP INDICATOR ALL DASHES EXCEPT CPS FREQ SHOWS NORMAL AT 400. ACFT GROUNDED. R & R ELEC METER POWER MODULE P5-13 ON THE P5 PANEL, OPS CK NORMAL REF AMM 24-21-53-000-801 IPC PN EFF.May 9, 2013 · N508AS · Boeing 737890SDR UALA2013031501567Relay · failedACFT FAILED STANDBY POWER CHECK (DL3387). REPLACED STBY POWER TX RELAY R7227 IAW MM 24-29-03,B.A. OPS NORMAL.Mar 13, 2013 · N178UA · Boeing 747422SDR UALA2013021100796Generator · warning messageLEFT BACK UP GENERATOR HAS FILTER BLOCKED INDICATION ON MAINTENANCE PAGE AT ETOPS PRE DEPARTURE CHECK. REPLACED BACKUP GENERATOR, OPS CHECKED PER AMM. TEST 3 AND FOUND OK.Feb 10, 2013 · N228UA · Boeing 777222SDR SWIA201332687Controller · faultyON ROTATION, ADG DEPLOYED. BOTH MAIN GENERATORS REMAINED ONLINE WITH NO POWER INTERRUPTION. TAXIED OUT WITH BOTH MAIN GENERATORS ON-LINE. (FLT 4765) REPLACED ADG AUTO-DEPLOY CONTROLLER IAW AMM AND STOWED ADG. P/N: 82046-5 S/N: 407 S/N OFF: 1193.Jan 29, 2013 · N427SW · Cndair CL6002B19SDR UALA2013012400422Unknown · odorEQUIPMENT FAN FAILED CREATED A ELECTRICAL SMELL IN CABIN. BPCU FAULTS AS FOLLOWS LEFT GEN POWER STS UNDER VOLT TRIP, OPPOSITE BUS OVERLOAD AND GCU 58. REF FIM 24-20-00 PAGE 182K STEP BJ RING OUT WIRES FROM L IDG TO GCU AND IDG TO CB C109 .REF WDM 24-21-11 PGJan 24, 2013 · N575UA · Boeing 757222SDR FDEA201301170114Control Unit · inoperativeON CLIMBOUT, GOT LEVEL 2 ELEC ALERTS, AND LEVEL 1 SEL ELEC SYS MAN ON ELEC SYNOPTIC, DC TIE 3 INDICATION. GONE & AC TIE 3 GONE. NO INDICATION OF GEN 3 AT ALL ON ELEC SYNOPTIC. R & R EPCU.Jan 17, 2013 · N303FE · Doug MD1030FSDR CALA2012122000871Circuit Breaker · inoperativeRT AC BUS FAILURE INFLIGHT. FOLLOWED QRH; RESET. ALL BUSES WE RE RESTORED. 30 MINUTES LATER AC BUS FAILED AGAIN. FOLLOWED QRH & ALL BUSES WERE RESTORED AGAIN. 2 MINUTES LATER AC BUS FAILED AGAIN. DID NOT RESET AGAIN. WITH APU RUNNING LT IN SINGLE GENERATODec 20, 2012 · N57864 · Boeing 75733NSDR CALA2012122000869Buss · failedRT AC BUSS FAILURE IN FLIGHT. RESET IAW QRH RT AC BUS FAIL EICAS MSG RT GEN HAD TRIPPED AS WELL. PERFORMED BITE TASK 24-20-00-810-80 2. RT GEN SYS FAULTED ''DP TRIP; MAIN BUS OVERLAP ZONE''. INSPEC TED P32 PANEL AND RT GCU BENCH PLUG, ALL OK. RAN BOTH ENGSDec 20, 2012 · N57864 · Boeing 75733NSDR AALA20121124020Control Panel · malfunctionedMIA - CREW REPORTED RIGHT GENERATOR CONTROL SWITCH FAILED. FLIGHT RETURNED MIA LANDED WITHOUT INCIDENT. AIRCRAFT REMOVED FROM SERVICE. REPLACED GENERATOR CONTROL PANEL. SYSTEM GROUND CHECK NORMAL OPERATION.Nov 24, 2012 · N680AN · Boeing 757223SDR AALA20121113009Controller · inoperativeDFW - CREW REPORTED LOSS OF ELECTRICAL POWER DURING CLIMBOUT. EMERGENCY DECLARED FLIGHT RETURNED DFW LANDED WITHOUT INCIDENT. AIRCRAFT REMOVED FROM SERVICE. REPLACED NUMBER TWO CABIN CONTROLLER. SYSTEM GROUND CHECK NORMAL OPERATION.Nov 13, 2012 · N493AA · Doug DC982SDR SWIA201231983Control Unit · failedADG DID NOT DEPLOY ON LOSS OF ALL AC POWER. (FLT 1300) REPLACED ADG GENERATOR CONTROL UNIT IN REFERENCE TO AMM. P/N OFF: 761341A S/N OFF: 1283.Oct 16, 2012 · N740SK · Cndair CL6002C10SDR UALA2012101505878Interface Unit · malfunctionedELEC PROBLEMS, RTFL. NEED TO CHG NR 2 EGIU PER FIM 24-20-00-810-831-A. REPALCED NR 2 EGIU PER MM. NEED TO REPLACE (4XU2)GLC AUX CT L NR 2 RELAY, PER FIM 24-20-00-810-832-A. REPLACED (4XU2) GLC 2 AUX CONTROL RELAY. REPLACED 3XU2 SWITCH RAN 124269 ENGINE TWOct 15, 2012 · N494UA · Airbus A320232SDR UHLA2012101000336Unknown · malfunctionedEMERGENCY LIGHTS ON CEILING (FRONT 3, FWD CENTER EXIT, AND COCKPIT OVERHEAD CAME ON INTERMITTENTLY FOR NO REASON AND WITH NO EICAS MESSAGES. REMOVED AND REPLACED GEN IO 2 (MAU 2 SLOT 9/10), NO FAULTS NOTED IAW AMM 31-41-06. OPS CHECK GOOD.Oct 10, 2012 · N645RW · Emb ERJ170100SESDR ASOA2012092102261Adg · malfunctionedADG CAME OUT WITH BOTH GENERATOR WORKING. ACFT RETURNED TO DEPARTURE. EMERGENCY DECLARED. PERFORMED OPS CHECKED OF ADG IAW AMM 24-23-01.Sep 19, 2012 · N930EV · Cndair CL6002B19SDR USAA2012091700038Switch · faultyOPERATIONAL CHECK OF EMERGENCY OPERATING SYSTEM FAILED. "EMER GEN" IS AMBER - PARAMETERS ARE ZERO. REMOVED AND REPLACED MICROSWITCH (2XE) IAW AIRBUS MAINTENANCE MANUAL. ALSO CLEANED CONNECTORS ON CONSTANT SPEED MOTOR GENERATOR.Sep 14, 2012 · N521UW · Airbus A321231SDR FDEA201208062865Warning Light · illuminatedJUST PRIOR TO LANDING, LEVEL 1 GEN 2 OFF, NR 2 IDG - INOPERATIVE AND DISCONNECTED. INTERROGATED EPCU, FOUND NR 2 IDG FEEDER/INTERFACE FAULT ON LAST FLIGHT LEG. CHECKED NR 2 IDG ALL FEEDER CABLES AND CONNECTORS. FOUND ONE ELECTRICAL CONNECTOR FREELY TURNEDAug 6, 2012 · N590FE · Doug MD11F
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