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 FDEA200910143557Unknown · power lossWHEN SELECTING ACFT PWR (APU) ON THE GND, THE PWR SHIFT REJECTED THE APU PWR, THE APU FAULTED AND SHUTDOWN. QRH PROCEDURE FOLLOWED AND APU RESTARTED SUCCESSFULLY AND THE AC ACCEPTED THE APU PWR. AFTER TAKEOFF THEN BEGAN TO EXPERIENCE NUMEROUS ELECTRICAL ANOct 14, 2009 · N903FD · Boeing 7572B7SDR 2009FA0000931Generator · overheatedGENERATOR OVERHEATED. ENGINEERING HAS IDENTIFIED A SECOND DEFECTIVE WELD IN A MAIN ROTOR BAND (643104-1) THAT PROPAGATED TO A FAILURE CONDITION RESULTING IN A GENERATOR FAILURE IN SERVICE. THE WELD APPEARS TO SHOW STRONG INDICATIONS OF INCOMPLETE FUSION (ORIOct 12, 2009 · Dhav DHC8*SDR HALA2009100900456Generator · warning lightETOPS SIGNIFICANT SYSTEM - LEFT GEN FIELD LIGHT ILLUM. RAN LEFT ENG AND CYCLED LT GEN CONT SWITCH. LIGHT EXTINGUISHED. OPS CKS OK FOR SERVICEOct 9, 2009 · N592HA · Boeing 7673CBSDR 2010FA0000090Alternator · malfunctionedOPERATOR REPORTS LOW CHARGE VOLTAGE AT LOW ENGINE RPM. RAN AIRCRAFT AND VERIFIED LOW VOLTAGE. REMOVED COWL AND DISCOVERED ALTERNATOR CASE TIE BOLTS LOOSE ALLOWING THE CASE HALVES TO SHIFT. UPON REMOVAL OF THE ALTERNATOR WE DISCOVERED THAT THE LOCK TABS INSTOct 6, 2009 · N9559V · Cessna 172RSDR 2009FA0000910Switch · shortedTHIS SWITCH IS ONE OF THE NEW REPLACEMENT SWITCHES FOR ACFT UNDER AD2008-13-17. THE SWITCH WAS ACTUATED AND THE TOGGLE BROKE OUT OF THE PLASTIC HSG ALLOWING THE TOGGLE TO COME PART WAY OUT OF THE SWITCH. UPON INSPECTION, IT IS BELIEVED THAT THERE WAS NO PIN Sep 29, 2009SDR RYNA200909300020Gcu · malfunctionedRIGHT GENERATOR OFF MESSAGE APPEARED ON THE EICAS DURING CLIMBOUT, CPM COMPLETED BUT RESET WAS UNSUCCESSFUL. REMOVED AND REPLACED THE RT GCU PER AMM 24-22-02. CHECKED WIRING ENGINE TO PYLON, ALL CHECKS GOOD. RAN ENGINE GENERATOR, OPS CHECK NORMAL.Sep 29, 2009 · N763BK · Boeing 7673Z9SDR ASAA0956711Stator · out of toleranceNR 2 ENGINE SHOWS FMC CDU SHORT TIME FAULT CODE 73-21272 "THE ALTERNATOR VOLTAGE INPUT TO THE EEC IS OUT OF RANGE". PLT DEFERRED MAINT. REPLACED STATOR ALTERNATOR AND ROTOR ALTERNATOR REF MM 73-21-08-000-801-F00. REQ TESTS 13-3A ACCOMPLISHED INSTALLATION OFSep 28, 2009 · N566AS · Boeing 737890SDR FDEA200909223348Gcu · damagedON CLIMBOUT ELECTRICAL SYSTEM STARTED TO "FADE" IN AND OUT. SEEMED TO BE THE LT SIDE ELECTRICAL, AUTOPILOTS AND AUTO THROTTLES BECAME INTERMITTENT. WHEN A/P WOULD BE WORKING IT HAD A PRONOUNCED BUMP IN PITCH LIKE AIR IN HYD SYS. CAPT'S FMC TIMED OUT AND WSep 22, 2009 · N903FD · Boeing 7572B7SDR QXEA2009091800688Generator · failedSEA- WHEN APPLYING TAKEOFF POWER, MASTER CAUTION ILLUMINATED WITH NR 2 AC GEN CAUTION LIGHT, ABORTED TAKEOFF BELOW 40 KTS. RETURNED TO GATE. FERRIED ACFT TO PDX FOR REPAIRS. PERFORMED WIRE CHECKS FROM NR 2 AC GEN (P1) (P2) TO NR 2 GCU (P15), AND GCU (P15) TO NSep 14, 2009 · N400QX · Bombdr DHC8402SDR TRBA2009084Inverter · faultedLOST DC BUSS NR 2, INVERTER FAULT AND MULTIPLE ELECTRICAL PROBLEMS. EMERGENCY DECLARED. OPENSep 10, 2009 · N342AT · Aerosp ATR72212SDR AALA20090906MIA01Control Panel · failedCREW REPORTED VARIOUS ELECTRICAL FAILURES DURING T/O AND CLIMBOUT. LEFT AND CENTER FLIGHT DIRECTOR VNAV WOULD NOT ENGAGE, AUTOTHROTTLE WOULD NOT ENGAGE, AND LEFT ELECTRICAL HYDRAULIC PUMP FAILED. RETURNED MIA AND LANDED WITHOUT INCIDENT. REPLACED MODE CONTSep 6, 2009 · N197AN · Boeing 757223SDR UALA2009082402599Gcu · disconnectedELEC GEN SYS RT IDG HAS DISCONNECTED OR A PROTECTIVE TRIP OF THE GENERATOR CONTROL BREAKER HAS OCCURRED OR A PROTECTIVE TRIP OF THE BTB HAS OCCURRED. REPLACED RT ENG GCU WITH GCU SWAPPED FROM APU POSITION OPS CHECK OK, MSG CLEARED. (MR24241-74 NOW IN RT ENG Aug 22, 2009 · N210UA · Boeing 777222SDR DXTA2009072703742Generator · odorUPON INITIAL START UP OF APU AND OPENING BLEED AIR ON, RECEIVED ELECTRICAL ODOR IN COCKPIT AND CABIN. ALSO GET FADEC REV ADC L AMBER CAS MESSAGE IN CONJUNCTION WITH ODOR. REMOVED APU GENERATOR S/N 242 AND INSTALLED OVERHAULED GENERATOR S/N 083C IAW AMM 24-32Jul 24, 2009 · N927QS · Cessna 750SDR CA090727007Bearing · wornWHILE CHANGING CRANKSHAFT SEAL THE ALTERNATOR BEARINGS WERE FOUND TO HAVE EXCESSIVE RADIAL PLAY. ALTERNATOR REPLACED, SN AND TSN NOT KNOWN AT THIS TIME.Jul 23, 2009 · Robsin R44RAVENIISDR UALA2009072302198Idg · faultyLEFT GENERATOR DRIVE LIGHT IS INOP. REPLACED NR 1 IDG, OPS CHECK OKAY.Jul 22, 2009 · N548UA · Boeing 757222SDR UALA2009071302042Idg · faultyL GEN EICAS LT ILLUM, RTFL. REPLACED OIL SVC FITTING. SERVICED IDG AND PERFORMED A 10 MIN HIGH POWER RUN. NO LEAKS NOTED. NR 1 ENGINE IDG DRIVE LIGHT WILL NOT ILLUMINATE WHEN NO PRESSURE IS PRESENT. BEGAN REMOVAL OF NR 1 ENGINE IDG. CONTINUED IDG INSTALLATIONJul 12, 2009 · N672UA · Boeing 767322SDR HALA2009070100270Gcu · malfunctionedETOPS SIGNIFICANT SYS - BTB L GEN OFF EICAS MSG L GEN CYCLED ON AND OFF REPEATEDLY. BPCU BITE INDICATES LT GCU FAILURE, REMOVED AND REPLACED LT GCU IAW AMM 24-22-02. PERFORMED ENGINE RUN UP TEST NR 3 SYS, OPS NORMAL.Jul 1, 2009 · N583HA · Boeing 767300SDR UALA2009062201746Idg · leakingNR 2 ENG IDG LEAKING OIL AT TERMINAL BLOCK. REPLACED NR 2 ENGINE IDG. RAN ENG OP'S AND LEAK CHECK WERE GOOD.Jun 19, 2009 · N781UA · Boeing 777222SDR HALA2009061500242Gcu · malfunctionedETOPS SIGNIFICANT SYSTEM, APPROX 2HRS INTO FLIGHT HAD EICAS MSG "R GEN OFF" ACCOMPLISHED QRH, OPS NORMAL. PERFORMED BPCU BITE. FOUND "OPEN PHASE TRIP" ON RIGHT GEN POWER SYSTEM. PER FIM 24-20-00 TABLE 102, REPLACED RIGHT GENERATOR CONTROL UNIT PER AMM 24-22Jun 15, 2009 · N597HA · Boeing 767332SDR FDEA200906112037Generator · malfunctionedREJECTED TAKE-OFF X 2 FOR LEVEL 2 "GEN DRIVE 2 FAULT ". FIRST TIME CAME ON FOR 2 SECONDS. SECOND ATTEMPT CAME ON STEADY WITH POWER AT T/O THRUST. GEN DRIVE 2 FAULT CLEARED WITH POWER REDUCED. OPENED RT SIDE NR 2 ENGINE FAN COWL TO INSPECT NR 2 ENGINE GENERJun 11, 2009 · N318FE · Doug MD1030FSDR HALA2009052700203Idg · inoperativeETOPS SIGNIFICANT SYSTEM - EICAS R-GEN OFF ILLUMINATED. CONDITION RETURNED TO NORMAL AFTER GENERATOR RESET, 1ST TIME ON ENG START, 2ND TIME 3 HRS INTO FLT, 3RD TIME 1 HR BEFORE LDG FRM 24224802. REMOVED AND REPLACED R GCU IAW AMM 24-22-00-404-001 AND 24-22-0May 27, 2009 · N597HA · Boeing 767332SDR HALA2009051900185Gcu · malfunctionedON ENGINE START RT GEN DID NOT COME ON LINE GEN FIELD LIGHT. REMOVED AND REPLACED RT GCU AND POS CKD OK PER AMM 24-22-02-004-001 AND 24-22-02-404-010.May 19, 2009 · N597HA · Boeing 767332SDR QXEA2009052100361Generator · malfunctionedSEA - DURING TAKEOFF ROLL W/ POWER SET FOR TAKEOFF NR 2 AC GEN CAUTION LIGHT ILLUMINATED. AS PER CHECKLIST TRIED TO RESET ACFT GEN, CAUTION LIGHT REMAINED ILLUMINATED. REMOVED AND REPLACED NR 2 AC GENERATOR IAW MTC 6242101. OPS CHECKS GOOD. NR 2 AC GEN CAUMay 17, 2009 · N408QX · Bombdr DHC8402SDR FDEA200905141656Gcu · failedNR 2 GEN FAULT ON START . REPLACED NR 2 GENERATOR CONTROL UNIT PER AMM 24-22-12-4. PERIODIC TEST GOOD PER AMM 24-41-00-0. NR 2 GEN CKS GOOD ON ENG RUN. OK FOR SERVICE. REF: WRI 24-20/1825, FOR OTHER DISCREPANCY.May 14, 2009 · N655FE · Airbus A300F4605RSDR UALA2009051301351Idg · failedELEC GEN SYS L IDG AND GCB DISCONNECTED. REPLACED GCU AND RAN ENGINE. IDG CHANGE REQUIRED. REPLACED LEFT IDG.May 13, 2009 · N229UA · Boeing 777222SDR SIMA200912602SUPControl Module · odorON FLIGHT 4199, CREW REPORTED THAT THE FA DETECTED A BURNING ODOR IN THE GALLEY AREA ON TAXI. MAINTENANCE LATER FOUND ODOR TO BE ORIGINATING FROM SEAT 1A PSU AREA. AIRCRAFT REMOVED FROM SERVICE. REMOVED AND REPLACED CONTROL MODULE ASSEMBLY FOR PASSENGER CABMay 4, 2009 · N691AE · Emb EMB145LRSDR DL76G090761Idg · malfunctionedR GEN TRIPPED PERFORMED ONE RESET AND IT TRIPPED AGAIN. REMOVED AND REPLACED R ENG IDG PER AMM OPS NORM.Apr 24, 2009 · N16065 · Boeing 767332SDR QXEA2009042400290Warning Light · illuminatedGEG - NR 2 AC GEN CAUTION ILLUMINATED. GENERATOR CAUTION WENT OUT WHEN RESET PER CHECKLIST. NO ELECTRICAL SYSTEM CONFIGURATION CHANGES WHAT SO EVER PRECEDED THE EVENT. DIVERTED TO GEG. LANDING UNEVENTFUL. INSPECTED CONNECTOR 9811P722 WITH NO DEFECTS FOUNDApr 20, 2009 · N418QX · Bombdr DHC8402SDR EWCR604ME5112Adg · unwanted deployDURING CRUISE FLIGHT, THE APU WAS SHUTDOWN AND A UNCOMMANDED DEPLOYMENT OF THE AIR DRIVEN GENERATOR OCCURRED. ACFT WAS FLOWN TO NEAREST ADEQUATE AIRPORT AND ADG WAS STOWED AND DEACTIVATED IAW MEL. ACFT CONTINUED FLIGHT AND WAS TURNED OVER TO MX AT THE END OF SApr 17, 2009 · N604ME · Cndair CL6002B16SDR UALA2009033100932Grommet · defectiveNR 2 ENG PYLON GENERATOR CABLE GROMMETS AT FIREWALL HAVE PUSHED BACK INTO FIREWALL, GROMMETS WILL NOT TIGHTEN UP IN FIREWALL FEED THROUGH BORES. REMOVED INSULATION PANEL AND ACCESS PANEL, GROMMETS WOULD NOT TIGHTEN. REPLACED GROMMETS.Mar 31, 2009 · N779UA · Boeing 777222SDR QXEA2009040100216Generator · failedPDX - AT 65-70 KT THE NR 2 AC GEN CAUTION LIGHT ILLUMINATED. TAKEOFF WAS ABORTED. RETURNED TO THE GATE. COULD NOT DUPLICATE DISCREPANCY. REMOVED AND REPLACED NR 2 AC GEN AS A PRECAUTIONARY MEASURE DUE TO ABORTED TAKEOFF IAW AMM TASKS 24-21-01-000-801 AND 2Mar 28, 2009 · N436QX · Bombdr DHC8402SDR HALA2009032200099Generator · malfunctionedETOPS SIGNIFICANT SYSTEM, LT GENERATOR TRIPPED OFF AT CRUSE FL 370 CYCLED PER QRH RESET OK. TROUBLE SHOT PER FIM 24-11-00 FIG 101, HAD FAULT D9 THAT FAULTED GCU. RAN BITE TEST FOR GCU, ALL TESTS WERE NORMAL. NO PREVIOUS FLIGHT FAULTS, NO CURRENT FLIGHT FAULMar 22, 2009 · N584HA · Boeing 7673G5SDR DL764090440Gcu · inoperativeRTB DUE TO LT ENG HAD TO RESET L GEN CONT SWITCH TO PWR L ENG GEN. REPLACED L GCU.Mar 16, 2009 · N839MH · Boeing 767432ERSDR USAA2009031290565Contactor · faultyFLT 245 PHX-YYC - EMERGENCY LANDING - CREW REPORTED LOSS OF COMMUNICATIONS - COULD HEAR ATC FINE BUT LOST ABILITY TO TRANSMIT. CREW ALSO REPORTED HEARING CLICKING NOISES BEHIND FIRST OFFICER'S CIRCUIT BREAKER PANEL. SHORTLY THEREAFTER, GENERATOR NR 1 DROPPEDMar 9, 2009 · N621AW · Airbus A320231SDR HALA2009022100059Static Inverter · malfunctionedETOPS SIGNIFICANT SYSTEM, BTB, STATUS PAGE STBY INVERTER MESSAGE. PERFORMED FIM 24-33-00 FIG 106, REPLACED STATIC INVERTER PER AMM 24-33-03, OPS CHECK GOOD.Feb 21, 2009 · N581HA · Boeing 76733ASDR ASOA200900150Controller · malfunctionedAT FL230, SMOKE NOTICED COMING FROM ADG AUTO DEPLOY PANEL. EMERGENCY DECLARED. AIR DRIVEN GENERATOR ADG AUTO DEPLOY SYSTEM. REMOVED AND REPLACED ADG AUTO DEPLOY CONTROL IAW AMM 24-23-15 RAN AND OPS CHECKED GOOD. NO SMOKE, CHECKED GOOD.Jan 30, 2009 · N975EV · Cndair CL6002B19SDR DL76G090038Bpcu · malfunctionedAFTER RIGHT ENGINE START THE RIGHT GEN TRIPPED OFFLINE. NO RESTART ATTEMPTED. DID CK OF BPCU SHOWS RT OPEN PHASE TRIP REMOVED AND REPLACED BPCU PER M/M CKD IDG OIL SERVICE. OK, RAN ENG. ALL NORMAL.Jan 9, 2009 · N1611B · Boeing 767332SDR DL76L081778Unknown · malfunctionedON ENGINE START LT GEN DROPPED OFF LINE, GEN OFF LIGHT AND FIELD LIGHT AT AFT PNL CAME ON. RESET FIELD BIT BPCU FOUND UNDER FREQ TRIP. CLEARED MESSAGE, RAN ENG CHECKS, OK NO HISTORY. FAULTS DID NOT REOCCUR.Dec 22, 2008 · N189DN · Boeing 767332SDR FDEA200810094290Gcu · failedREJECTED TAKEOFF AT 30 KTS DUE TO LOSS OF ALL ELECTRICAL POWER EXCEPT EMERGENCY POWER. MULTIPLE PROBLEMS RELATED TO RAIN DRIPPING INTO AVIONICS BAY. REMOVED AND REPLACED NR 2 GCU AND ALL ASSOCIATED SYSTEMS OPERATE NORMAL ON ACFT, MM 24-41-11-4 AND 24-41-00Oct 9, 2008 · N656FE · Airbus A300F4605RSDR 2008UALA06019Generator · underservicedELEC BACKUP GEN R RIGHT BACKUP GENERATOR OFF DUE TO A PROTECTIVE TRIP. STATUS MSG01- LATCHED CRUISE MODE DEPENDENT; BACKUP GENERATOR (R) OIL PRESSURE IS LOW. DB- BACKUP CONVERTER MSG-2446090 LATCHD ER MODE. ON ARRIVAL FOUND BACKUP GEN OIL IS ABOVE LOW LEVOct 3, 2008 · N787UA · Boeing 777222SDR CA081006002Converter · damaged(CAN) ON GROUND, DURING GROOMING THE ACFT, THE AC POWER DROPPED OFF. WHEN IT WAS RE-APPLIED, COCKPIT DISPLAYS SHOWED AC SYSTEM IN MAGENTA (NO COMMUNICATION). FOUND THE EXTERNAL AC/DC CONVERTOR CARD LOCATED IN THE AC POWER CENTER HAD A BURNED TRACE. THE MICRSep 29, 2008 · Bombdr BD7001A10SDR 2008FA0000530Stator · shortedTHE AC SUFFERED LOSS OF ELECTRICAL POWER WHILE IN CONTACT WITH ATC WHEN LOST RADIO CONTACT. CONTACTED BKP VIA CELL PHONE AND STATED HIS PROBLEM AND REQUESTED RUNWAY LIGHT AND WHEN THEY WERE TURNED ON HE WAS WITHIN SIGHT OF THE RUNWAY AND USED EMERGENCY RELEAJul 14, 2008 · N2125V · Piper PA32R300SDR SWIA200819706Adg · deployedADG DEPLOYED DURING FLIGHT. RESTOWED ADG AS REQUIRED. May 29, 2008 · N918SW · Cndair CL6002B19SDR ASMF200805005Csd · damagedDURING PUSH BACK, CAPTAIN REPORTED THAT AFTER STARTED THE LEFT ENGINE, THE CSD LIGHT TURNED ON AND TEMPERATURE REACHED 150 DEGREES CELSIUS, SO ABNORMAL PROCEDURE WAS ACCOMPLISHED. MAINTENANCE PERSONNEL DETECTED THE LEFT CSD OIL LEVEL IN RED RANGE, SO THE EXCEMay 28, 2008 · N205AM · Doug DC987SDR 2008UALA02717Relay · failedEMERGENCY GENERATOR DOES NOT COME ON WHEN EMER GEN SW IS SELECTED. TRIED RELAY 12XE AND CONTROL UNIT 1XE, NO HELP. CK'D FOR VOLTAGE AT HYD FLOW SOLENOID ON TOP OF EMER GEN 8XE, NO VOLTAGE PRESENT. *S/D* RAT EXT INHIB COND RELAY BAD. REPLACED RAT EXT INHIBMay 10, 2008 · N421UA · Airbus A320232SDR SA08032Transformer · inoperativeBOS, FLIGHT 64, LAS-BOS, APPROXIMATELY 70 MILES OUT OF BOS, THE CREW HAS AN ESSENTIAL AC BUS FAULT FAILURE. THE COCKPIT WENT DARK FOR A BRIEF TIME BUT AFTER FOLLOWING PROCEDURES SOME INSTRUMENTS RETURNED. MAINTENANCE REPLACED THE NR 1 TRANSFORMER UNIT AND ACMay 5, 2008 · N809AW · Airbus A319132SDR CA080404006Generator · faultedON FIN 309 WHILE T/S A LONG HISTORY FAULT OF APU GEN FAULT. ARCING WAS FOUND AT THE LUG T3 ATTACH POINT WITH THE APU GENERATOR. APU GENERATOR WAS REPLACED.Mar 31, 2008 · Emb ERJ190100IGWSDR 2008UALA01784Idg · failedL GENERATOR DRIVE LIGHT ILLUMINATED. LOST LEFT GENERATOR. NR 1 ENGINE IDG DISCONNECTED DUE TO FAULTS. REPLACED IDG AND GEN CONTROL UNIT (PRECAUTIONARY). GENERATING SYSTEM OP CHKD OK FOR SERVICE. Mar 30, 2008 · N655UA · Boeing 767322SDR ASAA0852761Idg · leakingFOLLOW UP TO FREQUENT NR 1 IDG SERVICING. SEVERAL EXTERNAL LEAK CHECK ACCOMPLISHED WITH NO CHANGE TO EXCESSIVE SERVICING. REPLACED NR 1 IDG. OP CHECK PER MM24 11 00 PG 501.Mar 23, 2008 · N585AS · Boeing 737890SDR COEA0802703Alternator · failedRETURN TO BLOCKS. FLT NR7276, DURING TAXI TO THE RUNWAY, THE LT ALTERNATOR FAILED. THE AC RETURNED TO THE RAMP (BLOCKS) WITHOUT ANY FURTHUR INCIDENT. LT ALTERNATOR WAS REPLACED ON THE LT ENGINE.Mar 19, 2008 · N703FE · Fokker F27MK600
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