JASC 2424

Service difficulty reports · 480

Reports filed under 2424 · AC Regulator, 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 = '2424'
  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 99ZZZM126Gcu · inoperativeAIRCRAFT EXPERIENCED ST ELMOS FIRE IN CRUISE, AT THAT TIME THE LEFT GENERATOR LIGHT FLICKERED AND THEN THE LEFT GENERATOR DROPPED OFF LINE ADN THE GENERATOR FIELD CIRCUIT BREAKER POPPED AND WOULD NOT RESET. AIRCRAFT RETURNED TO KETCHIKAN AND LANDED WITH NO PRDec 11, 1998 · N242BM · Bag JETSTM3201SDR AU981583Relay · malfunctioned(AUS) GENERATOR CONTROL UNIT AND GENERATOR FEEDER PROTECTION RELAY OVERHEATED.Nov 24, 1998 · Emb EMB120SDR 99ZZZM45Gcu · failedIN CRUISE, LEFT GENERATOR DROPPED OFF LINE. AIRCRAFT LANDED SITKA, NO PROBLEM. AIRCRAFT FERRIED TO KETCHIKAN 11-23-98. TROUBLESHOOTING IN PROGRESS. TROUBLESHOOTING REVEALED GCU BAD. WHILE AIRCRAFT IN HANGAR. CHANGED ALL BONDING STRAPS. REPLACED GCU. PENov 22, 1998 · N242BM · Bag JETSTM3201SDR 99ZZZM46Gcu · failedAIRCRAFT LEFT SITKA AFTER REPAIR AT CRUISE. LEFT GENERATOR DROPPED OFF LINE. FIELD CIRCUIT BREAKER TRIPPED. AIRCRAFT LANDED IN KETCHIKAN WITH NO PROBLEM. TROUBLESHOOTING DETERMINED GEN CONTROL UNIT BAD. REPLACED GCU. ALL SYSTEMS CHECKED OK. (M)Nov 21, 1998 · N242BM · Bag JETSTM3201SDR CA990310038Circuit Breaker · tripped(CAN) AIRCRAFT DIVERTED DUE LEFT EMERGENCY BUS FEED CIRCUIT BREAKER TRIPPED, UNABLE TO RESET. REPLACED B1-136 RCCB.Nov 20, 1998 · Doug DC1030SDR 99ZZZM44Gcu · failedDURING CRUISE, LEFT GENERATOR DROPPED OFF LINE. AIRCRAFT LANDED IN SITKA WITH NO PROBLEMS. MAINTENANCE WAS DISPATCHED TO SITKA 11-21-98. CHANGED STARTER/GENERATOR AND GENERATOR CONTROL UNIT. ALL SYSTEMS CHECKED OK ON GROUND ENGINE RUNS. (M)Nov 20, 1998 · N242BM · Bag JETSTM3201SDR 99ZZZM39Gcu · malfunctionedDTW - FL2232, EN ROUTE FROM CLT TO DTW, FLIGHT ATTENDANT ADVISED CREW OF A BURNING ELECTRICAL SMELL AFT OF FORWARD BULKHEAD AROUND SEAT ROWS 4, 5 AND 6. SHORTLY THEREAFTER, THE CIRCUIT BREAKERS FOR THE NR 2 AFT FUEL BOOST PUMP AND NR 2 TR TRIPPED. THE NR 2 TNov 10, 1998 · N244US · Boeing 737201SDR VNAA9811009Gcu · failedA RIGHT HAND A/C GENERATOR FAIL WARNING MESSAGE ILLUMINATED, DURING THE TAXI PRIOR TO TAKEOFF. THE AIRCRAFT RETURNED TO THE GATE. MAINTENANCE INSPECTED AND REPLACED THE RIGHT HAND A/C GENERATOR CONTROL UNIT, IN ACCORDANCE WITH DORNIER MAINTENANCE MANUAL 24-2Nov 9, 1998 · N459PS · Dorner DO328100SDR HEEA0016728Regulator · failedGENERATOR DROPS OFF-LINE.Nov 6, 1998 · N3071K · Bolkms BO105SSDR HEEA0016727Regulator · failedGENERATOR WILL NOT COME ON-LINE.Nov 6, 1998 · N624MB · Bolkms BO105SSDR HEEA0016726Regulator · failedNR 1 GENERATOR WILL NOT COME ON-LINE.Nov 6, 1998 · N8199J · Bolkms BO105SSDR DHL98724003Gcu · failedNR 3 GEN TRIPPED OFF LINE, RESET, TRIPPED AGAIN. NR 1 GEN ALSO TRIPPED OFF, WAS ABLE TO RESET AGAIN ON GROUND. MOMENTARILY LOST ALL FUEL GAUGES, EACH GAUGE WENT BLANK ON S/O PANEL. REPLACED NR 1 AND NR 3 VRGC AND NR 1 AND NR 3 GCUS AND BUSS PROTECTION PANOct 28, 1998 · N724DH · Boeing 727228SDR TC8A98069Voltage Reg · failedTRIP# 02707. DISCREP: #2 GENERATOR SHOWS UNBALANCED LOAD. CORR. ACTION: TRANSFERRED TO DMI 8809 AS PER MEL 24-1 CAT C. PLACARD INSTALLED, SPECIAL PROCEDURES COMPLIED WITH. 10/27/98 REMOVED AND REPLACED VOLTAGE REGULATOR IAW 24-5-11, OPS CHECKS GOct 22, 1998 · N802CK · Doug DC8F54SDR 98ZZZX3690Alternator · inoperativeFOUND ALTERNATOR NOT OPERATING. TIS 44.4 HOURS.Sep 23, 1998 · N329H · Beech 58SDR 98UAL900464Regulator · failedGOT AN OVER EXCITED ANNUNCIATOR LIGHT ON NR 1 SYSTEM. BUS BREAKER DID NOT TRIP. RESET BROUGHT GENERATORS BACK ON LINE FOR 5 MINUTES. AT TAKEOFF ANNUNCIATOR LIGHT CAME ON AGAIN. SYSTEM NR 1 BUS TIE TRIPPED SYSTEM 1 FOLLOWED BY LEFT PACK TRIP. TANK NR 1 AFTSep 19, 1998 · N7259U · Boeing 727222SDR DLM88981756Gcu · failedON T/O ROLL (115 KTS), LT AC BUS FAIL WITH AC CROSSTIE LOCK-OUT. ABORTED T/O. CHECKED LT AND RT CSD OIL SERV AND FILTER BUTTON FOUND LT ENG GEN CONT UNIT DIST FAULT ILLUM. CHECKED LT GEN SYS DPCTS. CKS OK INSP GEN LEADS ON LT ENG. NO DEFECTS NOTED. REPLAAug 24, 1998 · N988DL · Doug MD88SDR UPS98527427Gcu · malfunctionedAT VI INTERMITENT LEFT GEN OFF LIGHT ILLUM. LEFT AC BUSS FAILED, RIGHT BUS DID NOT PICK UP LEFT BUS. SHORLTY THERE AFTER THE R AC BUS FAILED. MULTIPLE WARNINGS DISPLAYED. RESET R GEN, R BUS POWER BACK ON. FIRED APU L BUS POWERED. SHORTLY AFTER L BUS POWEAug 13, 1998 · N439UP · Boeing 75724APFSDR SWAA981630Gcu · failedAIRCRAFT ROUTED FROM BWI TO TPA DIVERTED INTO JAX. IN FLT FL350 SMOKE ENTERED COCKPIT IN VICINITY OF GCU NR 1 AND NR 1 GENERATOR DROPPED OFF LINE. PULLED NR 1 GCU CB AND SMOKE DISSIPATED. APU STARTED AND POWERED NR 1 GEN BUS NORMALLY. A/C DIVERTED WITH NO FAug 5, 1998 · N680SW · Boeing 7373A4SDR MALA976169Gcu · failedLEFT AC BUS ILLUMINATED UPON CLIMBOUT AFTER TAKEOFF. QRH COMPLETED AND VERFIED CONDITION COULD NOT GET BACK ON LINE. AIRCRAFT RETURNED TO MSP. MAINTENANCE CLEANED CANNON PLUGS ON LEFT AC CONTACTOR BOX AND REPLACED LEFT AC GCU. OPS CHECK GOOD.Jul 25, 1998 · N827MA · Dhav DHC8102SDR HEEA0015150Regulator · faultyVOLTAGE REGULATOR WILL NOT ADJUST.Jul 1, 1998 · N911DD · Bolkms BO105SSDR HEEA0015140Regulator · inoperativeREGULATOR INOPERATIVE, FALLS OFF LINE.Jul 1, 1998 · N6160Y · Bell 206L3SDR 98FDEA00403Gcu · inoperativeNR 2 GENERATOR INOPERATIVE AFTER ENGINE START, ONE RESET. REMOVED AND REPLACED NR 2 GENERATOR CONTROL UNIT. APU GENERATOR REQUIRED FOR T/O. LOST APU GENERATOR AFTER TAKEOFF. DEFERRED APU GENERATOR PER MEL 24-8.Jun 16, 1998 · N658FE · Airbus A300F4605RSDR F3LA98080Gcu · failedPHX - FLT 429 - DURING DESCENT INTO PHX, FLIGHT CREW REPORTED NR 1 GENERATOR OFF BUS LIGHT ILLUMINATED FOLLOWED BY THE SMELL OF ELECTRICAL SMOKE WITH A SMALL AMOUNT OF VISIBLE SMOKE NOTICED. COMPLIED WITH SMOKE REMOVAL CHECKLIST AND SMOKE DISSIPATED. AIRCRAFJun 14, 1998 · N205AU · Boeing 737201SDR HEEA0014773Regulator · malfunctionedGENERATOR WOULD NOT STAY ON LINE.Jun 11, 1998 · N59805 · Bell 214STSDR HEEA0014569Regulator · failedCANNOT ADJUST AC REGULATOR.Jun 4, 1998 · N6957Y · Bell 214STSDR HEEA0014563Regulator · faultyREGULATOR WILL NOT ADJUST.Jun 4, 1998 · N81982 · Bolkms BO105SSDR HEEA0014505Ac Regulator · failedUNABLE TO ADJUST VOLTAGE. REGULATOR FAILED.Jun 4, 1998 · N54191 · Bolkms BO105SSDR TAOA059814Gcu · failedFLT 6041 - BOS-LGA - NR 3 GENERATOR DIFFERENTIAL FAULT AND FAILURE ON TAKEOFF. REPLACED NR 3 GENERATOR CONTROL PANEL, TESTED SYSTEM PER MM 24-20-0. ADJUSTMENT AND TEST PAGES 501-504. ALL INDICATIONS NORMAL. (M)May 27, 1998 · N926TS · Boeing 727227SDR 98ZZZX2342Gcu · failedPIT FLT 0540 - EN ROUTE TO MKE, RIGHT GENERATOR FAULTED. APU WAS STARTED AND APU GENERATOR WAS PUT ON LINE. TEN MINUTES LATER, THE APU SHUT DOWN. FLIGHT RETURNED TO PIT DUE TO ONE GENERATOR OPERATION. FLIGHT LANDED WITHOUT FURTHER INCIDENT. MAINTENANCE RMay 22, 1998 · N883US · Fokker F28MK0100SDR USAASB98110Gcu · failedORF - FLT 326 - EN ROUTE TO PHL, THE NR 1 ENGINE GENERATOR CONTROL UNIT OVERHEATED, BUT FAILED TO TRIP CIRCUIT BREAKER. CREW PULLED CIRCUIT BREAKER, HOWEVER, SMOKE HAD ACCUMULATED IN COCKPIT AND DECISION WAS MADE TO DIVERT TO ORF. EMERGENCY WAS DECLARED AND May 10, 1998 · N335US · Boeing 737301SDR CA980529012Regulator · failed(CAN) ELECTRICAL FAILURE. REPLACED.Apr 8, 1998 · Cessna 172MSDR SIMA980771Gcu · malfunctionedMSN - FLT 4117 - AIRCRAFT RETURNED TO AIRPORT AFTER BURNING SMELL AND ELEC WARNIG ON CAP. AIRCRAFT LANDED OVERWEIGHT. REPLACED NR 2 ACW GENERATOR GCU AND PERFORMED OVERWEIGHT INSPECTION. NR 2 AC GEN SYSTEM CHECKED GOOD AND NO DISCREPANCIES WERE NOTED ON OVERMar 18, 1998 · N233RM · Aerosp ATR42300SDR HEEA0013433Generator Cont · failedGENERATOR WILL NOT COME ON LINE.Mar 18, 1998 · N5128 · Skrsky S76ASDR HEEA0013432Generator Cont · failedA/C GEN. WILL NOT TEST IN THE OVERVOLT AND UNDERVOLT POSITION.Mar 18, 1998 · N22342 · Skrsky S76ASDR 9804629860Transformer · inoperativeDURING CLIMB-OUT, THE LEFT ENGINE DRIVEN GENERATOR TRIPPED OFF LINE WITH AN AC CROSSTIE LOCKOUT CONDITION. FLIGHT CREW PERFORMED COM PROCEDURES, RETURNED TO DTW, AND LANDED WITHOUT INCIDENT. MAINTENANCE REPLACED THE DIFFERENTIAL PROTECTION CURRENT TRANSFORMEMar 18, 1998 · N769NC · Doug DC951SDR 98ZZZM317Gcu · failedSFO-DEN - FLIGHT CREW REPORTED SMOKE IN COCKPIT COMING FROM FIRST OFFICERS ELECTRICAL PANEL. AN EMERGENCY WAS DECLARED AND AIRCRAFT WAS DIVERTED TO SLC. AIRCRAFT LANDED WITHOUT INCIDENT. MAINTENANCE REPLACED GENERATOR CONTROL UNIT AND BUS PROTECTION PANEL AFeb 23, 1998 · N578US · Boeing 737301SDR AALA980382Gcu · failedTAD - FLT 36 - LEFT GEN DRIVE EICAS ILLUMINATED 3 HR INTO FLIGHT LEFT GEN CON DROPPED OFF. INITIATED PROCEDURE IDG DISCONNECTED APU STARTED FINE AT FL410 CONTINUED FLIGHT WITH RIGHT GEN AND APU GEN. REPLACED LEFT GENERATOR CONTROL UNIT SERVICED IDG RAN ENGINFeb 19, 1998 · N687AA · Boeing 757223SDR 98ZZZM354Gcu · trippedFLT 445 - DFW-CUU - APPROX 45 MINUTES INTO THE FLT, FLT WAS CLEARED TO CLIMB TO FL310. WHILE PASSING THROUGH FL280, CREW ENCOUNTERED A RT ALT FAILURE. FO ATTEMPTED TO RESET ALT BY PRESSING THE RT ALT BUTTON TO 'OFF' AND AGAIN TO 'ON'. ALT FAIL LIGHT REMAINEFeb 19, 1998 · N335PH · Dorner DO328100SDR 98ZZZM353Gcu · trippedFLT 445 - DFW-CUU - APPROX 45 MINUTES INTO THE FLT, FLT WAS CLEARED TO CLIMB TO FL310. WHILE PASSING THROUGH FL280, CREW ENCOUNTERED A RT ALT FAILURE. FO ATTEMPTED TO RESET ALT BY PRESSING THE RT ALT BUTTON TO 'OFF' AND AGAIN TO 'ON'. ALT FAIL LIGHT REMAINEFeb 19, 1998 · N335PH · Dorner DO328100SDR 9803695502Gcu · malfunctionedLEFT ENGINE GENERATOR DROPPED OFF LINE ON TAKEOFF ROLL. THE TAKEOFF WAS ABORTED AND AIRCRAFT RETURNED TO THE GATE. MAINTENANCE REPLACED THE GENERATOR CONTROL UNIT WITH A SERVICEABLE PART. RUN-UP AND SYSTEM CHECK WAS SATISFACTORY.Feb 19, 1998 · N502US · Boeing 757251SDR AU980186Gcu · failed(AUS) LH GENERATOR CONTROL UNIT (GCU) FAILED.Feb 18, 1998 · Fokker F27MK50SDR 98FDEA00117Gcu · failedAFTER T/O, NR 2 GEN OFF LIGHT ILLUMINATED FOLLOWED WITH FLAP DISAGREE FLG IN VIEW AND C/B POPS. ALSO, CAN'T PRESS A/C ON LANDING APPROX 1000 FT, NR 2 ISOL, LIGHT ILLUMINATED RED TAB. REMOVED AND REPLACED NR 2 GCU AND BCU PER M/M 24-21-01. GND OPS PER JRH 8-Feb 18, 1998 · N316FE · Doug DC1030FSDR MALA975996Gcu · failedDURING CRUISE, NR 1 AC GENERATOR CAUTION LIGHT ILLUMINATED. AIRCRAFT RETURNED TO DTW. MAINTENANCE REPLACED THE NR 1 AC GENERATOR CONTROL UNIT. ALL CHECKS GOOD.Feb 17, 1998 · N865MA · Dhav DHC8102SDR C2XA98IA015Gcu · smokingIAH - FLT 3969 - PILOT REPORTED THAT SMOKE WAS NOTED FROM THE 90VU RACK FOLLOWED BY THE LOSS OF THE NR 1 ACW GENERATOR. THE AIRCRAFT RETURNED TO IAH WITHOUT INCIDENT. MAINTENANCE REMOVED AND REPLACED THE NR 1 ACW GENERATOR CONTROL UNIT. THE AIRCRAFT OPERATIOFeb 8, 1998 · N17448 · Aerosp ATR42500SDR RAIA980122Gcu · failedSTL - FLT 7203 - LEFT GENERATOR DROPPED OFF LINE. REPLACED GENERATOR CONTROL UNIT. (M)Jan 22, 1998 · N423AM · Bag JETSTM3201SDR SWAA980033Gcu · inoperativeEN ROUTE, NR 1 ENGINE GENERATOR DROPPED OFF LINE. APU GEN WAS ALREADY ON MEL. AIRCRAFT DIVERTED TO PHX AND MADE AN UNEVENTFUL LANDING. REMOVED AND REPLACED NR 1 GENERATOR CONTROL UNIT PER BOEING M/M.Jan 4, 1998 · N687SW · Boeing 7373Q8SDR DLM88980014Gcu · inoperativeA/C DIVERTED TO MCO. RIGHT GEN FAIL LIGHT IN FLIGHT WITH CROSSTIE LOCKOUT. REPLACED RIGHT GENERATOR CONTROL UNIT.Jan 4, 1998 · N929DL · Doug MD88SDR 98ZZZX378Gcu · failedCLT - FL 1754 - CLIMBING THROUGH 12,000 FEET, THE LEFT GENERATOR BECAME INOPERATIVE. THE APU WAS ON MEL. THE AIRCRAFT RETURNED TO THE FIELD WITHOUT INCIDENT. MAINTENANCE REPLACED THE LEFT GENERATOR AND THE APU GENERATOR CONTROL UNIT. THE SYSTEMS THEN OPERAJan 4, 1998 · N824US · Doug DC982SDR VTZA98001Gcu · failedFLT 6372 - IAD-HLB - DURING TAXI, AIRCRAFT MADE AN UNSCHEDULED LANDING DUE TO LEFT GENERATOR FELL OFF LINE AND WOULD NOT RESET. AIRCRAFT RETURNED TO GATE AND WITH NO FURTHER PROBLEMS. MAINTENANCE INSPECTED AND REMOVED AND REPLACED GCU, OPS CHECK OK. AIRCRAFJan 1, 1998 · N478UE · Bag JETSTM3201SDR VTZA97686Gcu · out of parallelFLT 6151 - IAD-PHF - AIRCRAFT ABORTED TAKEOFF DUE TO LEFT GENERATOR WARNING LIGHT ILLUMINATED. AIRCRAFT RETURNED TO GATE WITH NO FURTHER PROBLEMS. MAINTENANCE INSPECTED AND PARALLELED THE LEFT AND RIGHT GCU, OPS CHECK OK. AIRCRAFT WAS RELEASED AND RETURNED Dec 5, 1997 · N478UE · Bag JETSTM3201
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