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 ARWA20080401Gcu · malfunctioned24-20-BD 1 BY 3 CHANNEL WILL NOT PARALLEL. RERACKED GCU 1 BY 3; OPERATIONAL CHECK NORMAL IN ACCORDANCE WITH MM 24-20-00.Apr 2, 2008 · N450ML · Doug DC1030FSDR USAA920080508Gcu · odorFLT NR 335 - AT CRUISE FLT 340, GOT ELEC NR 1 IDG LO PSI. COMPLIED WITH ECAM ACTIONS. CREW DISCONNECTED GENERATOR & ALSO MENTIONED AN ELECTRICAL ODOR IN COCKPIT. MX CONTROL SUGGESTED CREW TURN OFF NR 1 BLEED & USE APU AS A SECOND BLEED SOURCE. CREW REPORTEFeb 23, 2008 · N675AW · Airbus A320232SDR HNAA0800095Gcu · intermittentAFTER TAKEOFF EMERGENCY LIGHTS IN CABIN, ENGINE INTAKE HEAT (BOTH LEFT AND RIGHT OPEN AND HEATER) AND PROP SYNC ADVISORY LIGHTS FLICKERED INTERMITTENTLY UNTIL EMERGENCY LIGHTS WERE SELECTED OFF. REPLACED NR 2 GCU, ADVISORY LIGHTS DIM AND TEST BOX AND F/A'S EMFeb 20, 2008 · N337EN · Dhav DHC8311SDR HNAA0800050Gcu · hotAN "ELECTRICAL SMELL" IN FLIGHT DECK ON F/O SIDE, FOUND NR 2 ENG GCU HOT. REPLACED GCU, OPS CHECK GOOD, "ELECTRICAL SMELL GONE", HIDDEN DAMAGE INSP C/W.Jan 27, 2008 · N333EN · Dhav DHC8311SDR DL76G080048Gcu · odorJUST AFTER LEVELING OFF AT FL390 NOTICED A DISTINCT ELECTRICAL SMELL SHORTLY AFTER THE LEFT AND RIGHT UTILITY BUSS LIGHTS AND RT GEN DRIVE LIGHTS ILLUMINATED ON OVERHEAD PANEL WITH EICAS MESSAGES. NOTICED SLIGHT WHIFF OF SMOKE IN COCKPIT. FOLLOWED QRH PROCEDJan 12, 2008 · N394DL · Boeing 767324SDR AMWA89415BCGcu · inoperativeBATTERY CHARGE ANNUNCIATOR ILLUMINATED 8 TIMES IN FLIGHT, AMMETER SHOWED DISCHARGE DURING ILLUMINATION (NEEDLE DOWN ON AMMETER). MAINTENANCE PARALLELED GENERATOR CONTROL UNITS AND CLEARED DISCREPANCY.Jan 4, 2008 · N162ZV · Beech 1900DSDR C2XA08RI006Gcu · inoperativeFLT 3142 - EWR - CREW REPORTED APU GENERATOR AND GENERATOR NR 1 OFF BUSS. CREW PERFORMED AIR RETURN AND LANDED ACFT UNEVENTFULLY. EWR MX REMOVED AND REPLACED APU GCU AND GENERATOR NR 1 AND PERFORMED OPERATIONAL CHECKS SUCCESSFULLY. ACFT WAS APPROVED TO RETUDec 26, 2007 · N14943 · Emb EMB145ERSDR 2007UALA05199Gcu · burnedRTFL DUE TO A RT ENGINE GENERATOR PROBLEM. AFTER TROUBLESHOOTING,FOUND RT GCU CIRCUIT BREAKER OPEN & GEN CONTROL UNIT BURNED INSIDE. REPLACED GCU AND OPS CHECKED GOOD. OPENED UP GCU MR24241-13 AND VERIFIED A UNIT INTERNAL FAILURE WITH BURNED CIRCUIT BOARD. Dec 21, 2007 · N213UA · Boeing 777222SDR CA070524002Gcu · failed(CAN) DURING DEPARTURE THE NR 1 AC WILD SYSTEM WENT OFF LINE. WHEN THE CREW ATTEMPTED A RESET THE (BLUE) HYDRAULIC SYSTEM WENT OFF LINE. THE AIRCRAFT RETURNED TO POINT OF DEPARTURE AND CARRIED OUT A NORMAL LANDING. MAINTENANCE REPLACED THE NR 1 AC WILD GCU. AFMay 22, 2007 · Aerosp ATR42300SDR COMA0760310Gcu · malfunctionedADG DEPLOYED ON WEIGHT OFF GEAR, A/C RETURNED TO ABE AND LANDED SAFELY. REPLACED THE ADG GCU.Apr 10, 2007 · N447CA · Cndair CL6002B19SDR CA070209020Volt Regulator · failed(CAN) IN CRUISE FLIGHT, THE LT ALTERNATOR FAIL LIGHT CAME ON, AIRCRAFT RETURNED TO BASE FOR REPAIRS. VOLTAGE REGULATORS REPLACED WITH NEW, RT ALTERNATOR P/N ALU8521 REPLACED WITH OVERHAULED UNIT. GROUND RUNS CARRIED OUT TO CHECK FUNCTION, CHECKED OK. TEST FLIFeb 7, 2007 · Piper PA31350SDR UPS07548823Gcu · failedINSPECTION TYPE:N/A A/C DIVERTED TO MCO DUE TO RIGHT AC BUS FAILURE IN FLT. REMOVED AND REPLACED RIGHT ENG IDG PER MM 24-11-01-4. REMOVED AND REPLACED RIGHT ENG GEN CONTROL UNIT PER MM 24-22-02-4. REMOVED AND REPLACED BPCU PER MM 24-41-03-4. SYS OPS CHECKEJan 4, 2007 · N458UP · Boeing 75724APFSDR ABXA060320Gcu · defectiveSMOKE SMELL COMING FROM E&E COMPARTMENT. FOUND LEFT ENGINE GCU WITH STRONG BURNT SMELL AND NO GENERATOR PRESSURE LIGHT IN COCKPIT. SWAPPED LEFT GCP AND APU GCP AS TROUBLESHOOTING. NO SMOKE PRESENT. APU ELECTRICAL FUNCTION INOPERATIVE. REMOVED AND REPLACEDDec 22, 2006 · N739AX · Boeing 767232SDR SWAA064004Gcu · malfunctionedSTRONG ELECTRICAL ODOR ON TAXI OUT. REMOVED AND REPLACED NR 2 GCU PER MM.Oct 17, 2006 · N618WN · Boeing 7373H4SDR COMA0660566Gcu · faultyFLIGHT 4990 - NR 2 IDG CAUTION MESSAGE ON TAKEOFF ROLL. ABORTED TAKEOFF AT 60 KTS. RETURNED TO GATE. REPLACED NR 2 GCU. PERFORMED OPS CHECK. NO FURTHER DEFECTS NOTED.Oct 3, 2006 · N708CA · Cndair CL6002B19SDR 2007FA0000734Volt Regulator · failedTHE INABILITY OF THE VOLTAGE REGULATOR (PN 800397-501, SN 0165) TO CONTROLTHE OUTPUT OF THE ALTERNATOR WHEN THE BATTERY SWITCH WAS TOGGLED BETWEEN THE NR1 AND NR 2 BATTERY, IN FLIGHT. (K)Jul 24, 2006 · N999JW · Mooney M20RSDR SB06065Gcu · malfunctionedORD - FLT236 - DURING CRUISE, EN ROUTE FROM PHL TO ORD, CREW REPORTED NUMEROUS INSTRUMENTS AND NAV-AIDS FLAGGED ON THE FIRST OFFICER'S INSTRUMENT PANEL. ALSO, TCAS AND RADAR INDICATOR WAS BLANK. A SLIGHT ELECTRICAL/SMOKE ODOR WAS NOTED. FLIGHT LANDED WITHOUJul 7, 2006 · N404US · Boeing 737401SDR C2XA06CL057Gcu · faultyEWR FLIGHT 2609, CREW REPORTED 10 MINUTES AFTER DEPARTURE CLICKING NOISES IN THE COCKPIT. THE GENERATORS WERE NOT LOADING SHARING EQUALLY. APPROACHING CLE THE CLICKING NOISE RETURNED AND A BURNING SMELL WAS NOTED. THE CREW DESELECTED GENERATOR 1 AND LANDED Jun 7, 2006 · N16976 · Emb EMB145LRSDR 2006FA0000522Current Limiter · misdrilledMOUNTING HOLES IN CURRENT LIMITER DOES NOT MATCH LUGS IN ELECTRICAL PANEL.May 22, 2006 · N875QS · Raythn HAWKER800XPSDR 2006FA0000531Current Limiter · failedCURRENT LIMITER BLOWN, CAUSING LOSS OF ELECTRICAL POWERMay 21, 2006 · N203TM · Raythn HAWKER800XPSDR C7WA200600004Regulator · intermittentNR 1 GENERATOR EXPERIENCED AN UNDER VOLTAGE CAUSING A VERTICAL TRIP. NR3 GENERATOR ALREADY ON DMI. REMOVED AND REPLACED NR1 POSITION VOLTAGE REGULATOR SYSTEM OPERATIONAL CHECKS GOOD IAW MM. (K)Feb 24, 2006 · N7642U · Boeing 727222SDR CA051214001Generator · failed(CAN) IAW AMM 24-30-00 501 DC GENERATION-ADJUSTMENT/TEST. GENERATOR VOLTAGE MUST BE WITHIN 0.3 VOLTS OF EACH OTHER. WHEN REPLACING COMPONENTS IN THE GENERATOR SYSTEM, A CHECK OF THE GCU'S VOLTAGE IS RECOMMENDED AS NUMEROUS HOURS OF TROUBLESHOOTING AND PARTS Dec 13, 2005 · Bag JETSTM3212SDR AU510001524Gcu · failedNR 1 GENERATOR CONTROL UNIT (GCU) FAILED.Dec 12, 2005 · Boeing 737476SDR CA051107004Resistor · openLT GEN FAIL ANNUNCIATOR LIGHT ILLUMINATED IN CRUISE. ATTEMPED RESET BY SWITCHING LT GEN OFF, WAITED 10 SECONDS, THEN SWITCHED BACK ON. RESULT WAS BRIEF SMALL PUFF OF SMOKE FROM INSTRUMENT PANEL, SUBSEQUENTLY FOUND TO BE BURN OF GPS ANNUNCIATOR BRT/DIM/TEST MNov 1, 2005 · Beech A100SDR CA060306015Volt Regulator · failed(CAN) NO CHARGE. REPLACED VOLTAGE REGULATOR. (TC NR 20060306015)Oct 21, 2005 · Bell 206BSDR CA050819003Regulator · unserviceable(CAN) AIRCRAFT EXPERIENCED LOSS OF NR 1 GENERATOR SYSTEM ON APPROACH. THE FLAP INDICATION SYSTEM INDICATED A FLAP OUT OF ASYMMETRIC CONDITION CA USING THE CREW TO ABORT THE LANDING AND DECLARE AN EMERGENCY. THE AIRCRAFT LANDED SAFELY ON SECOND APPROACH AND TAXAug 16, 2005 · Boeing 727247SDR CA060303018Volt Regulator · failedAT START UP NO CHARGE. REPLACED VOLTAGE REGULATOR.Jul 19, 2005 · Bell 206LSDR ASMF200507009Gcu · failedA/C RETURNED TO PLATFORM. DURING ENGINES STARTING, LT GENERATOR LIGHT TURNED ON. DETECTED THAT RT GENERATOR AND APU GENERATOR DID NOT GET THEIR BARS. CROSS FEED SUPPLY OUT OF SERVICE. LT GEN OFF LIGHT TURNED ON. GCU OF APU REPLACED IAW MM 24-20-00 CORRECTJul 10, 2005 · N160PL · Doug MD88SDR KBM2005F00095Volt Regulator · failedVOLTAGE REGULATOR ELECTRICAL FAILURE IN FLIGHT, REMOVED AND REPLACED. (K)May 23, 2005 · N188TV · Bell 206BSDR AU510001953Gcu · failedNR 2 GENERATOR CONTROL UNIT (GCU) FAILED. NR 2 GENERATOR TRIPPED OFF LINE.May 10, 2005 · Fokker F28MK0100SDR C8GA20050008Volt Regulator · inoperativeFLT 738 FROM MMIO TO MGDL. AFTER V1, NR 2 GENERATOR 3 LIGHT TRIP. COULD NOT RE-ESTABLISH BUS TIE BREAKER. RETURNED TO MMIO AND LANDED WITHOUT FURTHER INCIDENT. PLACED NR 2 GENERATOR/CSD ON MEL. AIRCRAFT RETURNED TO SERVICE. ON 3/13/05, REMOVED AND REPLACEMar 11, 2005 · N286SC · Boeing 7272A1SDR ASAA0540142Gcu · malfunctionedSEA - ATB SMOKE IN FLIGHT DECK THROUGH 1000 FT. COMING FROM G4 AND G5 AREA, BEHIND F/O AREA. TROUBLESHOT NR 2 ENG GCU. INSPECTED AREA NEAR P-6 C/B PANELS, EE COMPARTMENT, AND NR 2 ENGINE GENERATOR. REPLACED NR 2 GCU. ENGINE RUN, OPS CHECK NORMAL. GCU RECFeb 23, 2005 · N774AS · Boeing 7374Q8SDR CA050222008Gcu · inoperative(CAN) A FEW MINUTES AFTER TAKE-OFF FROM AIRPORT WHILE SHUTTING DOWN THE APU, THE FLIGHT CREW HAD A SEVERE ELECTRICAL SMELL IN THE COCKPIT, BUT NO SMOKE APPEARS. THE FLIGHT CREW DECLARED AN EMERGENCY LANDING AT THE SAME AIRPORT. BACK TO THE MAINTENANCE FACILITFeb 19, 2005 · Cndair CL6012A12SDR RAIA00412036Gcu · failed5511- STL- ACW BUS 1 OFF WILL NOT RESET. MAINTENANCE REMOVED AND REPLACED NR 1 ACW GENERATOR CONTROL UNIT.Dec 23, 2004 · N426TE · Aerosp ATR42300SDR SB04167Control Unit · unreliablePIT FLT414 FLIGHT DEPARTED ORD, EN ROUTE TO PHL, WITH THE NR 2 GENERATOR ON MEL 24-1. DURING CRUISE, THE APU GENERATOR DROPPED OFF LINE, LEAVING ONLY THE NR 1 GENERATOR. FLIGHT DIVERTED TO PIT AND LANDED WITHOUT FURTHER INCIDENT. NO EMERGENCY WAS DECLAREDDec 13, 2004 · N576US · Boeing 737301SDR GAIA04176OPGcu · malfunctionedDURING APPROACH, LOST ALL (REMAINING, NR 2 AND NR 3) GENERATORS IN FLIGHT DURING APPROACH. RESET NR 2 GEN. NO VOLTAGE OR FREQS. ON NR 3, UNABLE TO RESET. FAULT PANEL INDICATED NR 3 SYSTEM UNDER VOLTAGE. LANDING WAS MADE WITHOUT INCIDENT. SWAPPED NR 3 GCU Dec 7, 2004 · N252US · Boeing 727251SDR CA041122015Control Unit · malfunctioned(CAN) DURING MAINTENANCE SERVICING, ENGINEER FOUND STARTER GENERATOR WARM. AIRCRAFT ENGINE WAS COLD AND NO ATTEMPTED STARTS HAD BEEN MADE. MAINTENANCE INSPECTION FOUND FAULT CAUSED BY GENERATOR CONTROL UNIT. DC GENERATOR CONTROL UNIT REPLACED. AIRCRAFT RETNov 21, 2004 · Dhav DHC8311SDR AMTA200401415Gcu · malfunctionedAFTER TAKEOFF, LT ENG LIMITER LIGHT CAME ON AND LT EEC LIGHT CAME ON ABOUT 15 MINUTES LATER. LOST THE LT GEN, OIL PRESSURE DROPPED TO 18 AND ENGINE WAS FAILING SO WE SHUT IT DOWN. RAN ALL CHECK LISTS. REPLACED UPPER DEDICATED GENERATOR CONTROL UNIT IAW MM. Nov 17, 2004 · N525AT · Boeing 75723NSDR LR7A04199Volt Regulator · overheatedFLIGHT CREW REPORTED BURNING RESISTOR SMELL IN THE COCKPIT DURING ENGINE SHUTDOWN. FOUND NR 4 VOLTAGE REGULATOR OVERHEATED. REPLACED VOLTAGE REGULATOR IAW MM SMP 581 24-20, PG 226. OPS CKS NORMAL. LP 18065, ITEM 1.Nov 10, 2004 · N401LC · Lkheed 382GSDR 2004UALA00789Control Unit · faultyNR 2 GENERATOR FAULT ECAM MESSAGE. *S/D* NR 2 GENERATOR CONTROL UNIT REPLACED.Aug 28, 2004 · N474UA · Airbus A320232SDR CA040901005Volt Regulator · failed(CAN) VOLTAGE REGULATOR DELIVERING OVER 30 VOLTS. THE AIRCRAFT WAS READY TO TAKE OFF WHEN THE PILOT SMELLED A STRONG ODOR IN THE COCKPIT. ASSUMING IT WAS THE BATTERY, HE SHUT DOWN THE ENGINE. IN THE INSPECTION THE BATTERY WAS FOUND TOO HOT AND THE VOLTAGE DELIJul 18, 2004 · Bell 204BSDR USA2004F00092Gcu · failedENROUTE, CREW REPORTED THE G-3 PANEL CIRCUIT BREAKER OPENED IN FLIGHT. AN ELECTRICAL ODOR WAS PRESENT IN THE COCKPIT PRIOR TO THE OPENING OF THE CIRCUIT BREAKER. FLIGHT LANDED WITHOUT FURTHER INCIDENT. MAINTENANCE REMOVED AND REPLACED THE NR 2 ENGINE GENERAJun 9, 2004 · N504AU · Boeing 7373B7SDR USAASB04046Gcu · overheatedNR 1 GENERATOR CONTROL UNIT BEGAN TO SMOKE IN FLIGHT. AFTER TRIPPING OFF LINE, SMOKE STOPPED. FLT LANDED WITHOUT FURTHER INCIDENT AT CLT. MAINTENANCE REMOVED AND REPLACED THE NR 1 GENERATOR CONTROL UNIT. RAN ENGINE. OPS CHECK NORMAL. (M)Apr 25, 2004 · N448US · Boeing 7374B7SDR BAQA094195Volt Regulator · inoperativeVOLTAGE REGUALTOR IS GIVING HIGH READINGS, WILL NOT REGULATE AMP GAUGE. REPLACED WITH SERVICABLE UNIT FROM JEARJET, 04/19/2004Apr 16, 2004 · N30DK · Lear 35ASDR CA040413002Volt Regulator · failed(CAN) IN FLIGHT LOSS OF NR 2 AC BUSS SERVICES CAUSED BY NR 2 GENERATOR DROPPING OFF LINE. RESET ATTEMPTS FAILED. DUE TO AN AD IN EFFECT ON THE REMAINING GENERATOR, A LANDING AT THE NEAREST AIRPORT WAS CARRIED OUT. DURING FAULT ISOLATION IT WAS FOUND THAT THEApr 7, 2004 · Cndair CL600*SDR AC2A094951Volt Regulator · intermittentVOLTAGE REGULATOR INTERMITTENT. REPLACED VOLTAGE REGULATOR AND WILL SEND IN FOR WARRANTY REPAIR.Apr 4, 2004 · N430CH · Bell 430SDR 2004FA0000276Volt Regulator · failedALTERNATOR INOPERATIVE LIGHT CAME ON DURING GROUND RUN UP. TROUBLESHOOT SYSTEM AND FOUND NO OUTPUT VOLTAGE TO THE FIELD WIRE. PROBABLE CAUSE REGULATOR FAILED INTERNALLY, NO RECOMMENDATIONS AT THIS TIME.Feb 24, 2004 · N4188T · Piper PA28181SDR CA031028004Volt Regulator · failed(CAN) VOLTAGE REGULATOR FAILED AND ALSO CAUSED DAMAGE TO THE ALTERNATOR DIODES. THE ALTERNATOR DIODES WERE REPLACED, AND THE VOLTAGE REGULATOR REPLACED WITH A NEW VR200A UNIT. CHARGING SYSTEM TESTED OK.Oct 16, 2003 · Piper PA28160SDR CA031020007Control Unit · shorted(CAN) ACU SHORTED INTERNALLY CAUSING ALTERNATOR TO RUN UNCONTROLLED WHILE IN FLIGHT. PROBLEM RESULTED IN SMOKE IN COCKPIT WITH ALL RADIOS AND INSTRUMENTS THAT ARE ELECTRICAL TO TAKE TO MUCH POWER AND DESTROYED THEM ALL INTERNALLY.Oct 10, 2003 · Cessna 172NSDR AUS20031004Gcu · faulty(AUS) APU GENERATOR CONTROL UNIT (GCU) FAULTY.Sep 28, 2003 · Boeing 737476
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