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 CALA2014061391255Gcu · faultyCREW REPORT ELEC GEN SYS STATUS MSG DISPLAYED, ALSO ELEC BUS ISOLATION LT & ELEC BUS ISOLATION RT ADVISORY MSGS DISPLAYED. REPLACED RT GCU & BPCU IAW MM24-41-05, 24-22-02. CONFIRMED S-W LOAD OKAY. RAN ELECT SYS CHECK WITH EXT POWER, APU & ENGS. FREQS VOLTSJun 9, 2014 · N795UA · Boeing 777222SDR FDEA201405141020Gcu · failedLOST AC BUS NR 2 IN FLIGHT 5 MIN AFTER T/O AT 8,000'. RETURNED TO KMEM. R & R NR 1 ENG GCU IAW AMM ATA 24-22-12-04. OPERATIONS CHECKED GOOD ON ENG RUN IAW A300-600 JRH. .May 14, 2014 · N682FE · Airbus A300F4605RSDR CALA2014010990116Gcu · malfunctionedELEC GEN SYS RT IDG HAS DISCONNECTED OR A PROTECTIVE TRIP OF THE GEN CONTROL BREAKER HAS OCCURRED OR A PROTECTIVE TRIP OF THE BTB HAS OCCURRED. REPLACED RT GCU.Jan 2, 2014 · N782UA · Boeing 777222SDR CALA2013122393886Gcu · failedOPERATIONAL TEST OF THE EMERGENCY GENERATOR SYS FAILED. IAW TRM 24-24-00 REPLACED BLUE HYD PUMP CSM-G 8XE RELAY 12XE CSM-G CONTROL UNIT IAW AMM. OPERATIONS CHECKED GOOD, GENERATOR TEST PASSED.Dec 21, 2013 · N454UA · Airbus A320232SDR GTIA201312121068Csd · faultedEMERGENCY GENERATOR TEST FAILED IAW WEEKLY CHECK. R & R CSMG ASSY W/SERVICABLE UNIT IAW AMM. EMERGENCY GENERATOR SYSTEM TEST CHECKS GOOD.Dec 12, 2013 · N529NK · Airbus A319132SDR CALA2013111993034Gcu · malfunctionedEICAS MESSAGE LT GEN OFF DISPLAYED, RTFL. GEN OFF & FIELD OFF LIGHTS ILLUMINATED & FAILED TO RESET. REPLACED GCU IAW SMC005, OPERATIONS CHECKED GOOD.Nov 17, 2013 · N653UA · Boeing 767322SDR CALA2013111993033Gcu · malfunctionedAFTER RT ENG START AIRCRAFT LOST POWER ON BUSS APPEARED TO BE RT BUSS. NUMEROUS FAULTS DISPLAYED AIRCRAFT RETURNED TO GATE. SWAPPED RT & APU GCU'S ACCOMPLISHED ENG RUNS & ALL CHECKED OK NO FAULTS NOTED.Nov 16, 2013 · N675UA · Boeing 767322SDR CALA2013111292848Gcu · malfunctionedPOWER INTERMITTENT WHILE ON APU GEN. PLACED APU GEN ON MEL DUE TO HISTORY. APU GEN SWITCH OFF. REPLACED APU GCU IAW AMM, CHECKED GOOD THROUGH CFDS.Nov 11, 2013 · N821UA · Airbus A319131SDR CA131118015Sensor · failed(CAN) THE ACFT EXPERIENCED AN OVER VOLTAGE LIGHT SHORTLY AFTER ENGINE START DURING A MAINTENANCE GROUND RUN. THE OVER VOLTAGE SENSOR WAS FOUND TO HAVE FAILED. THE UNIT WAS REPLACED AND THE SYSTEM WAS GROUND FUNCTION CHECKED SERVICEABLE.Nov 9, 2013 · Cessna U206FSDR CALA2013103092526Gcu · faultyAFTER RT ENG START GEN DID NOT COME ON LINE, SELECTED GEN OFF-ON, NO HELP. BIT BPCU HAD FAULT LT GCU REPLACED, WOULD NOT RESET. RESET BREAKER STILL WOULD NOT CLEAR. REPLACED LT GCU IAW MM 24-22-02. TESTED ALL GCU NO FAULTS. RAN ENGS ALL CONFIGS ASSOCIATED Oct 29, 2013 · N595UA · Boeing 757222SDR CALA2013100191620Gcu · malfunctionedAPU GENERATOR INOPERATIVE. R & R APU GCU IAW MM, OPERATIONS CHECKED OK.Oct 1, 2013 · N668UA · Boeing 767322SDR 9JLA2013120404241Gcu · defectiveTHE CREW REPORTED THAT THE LT GEN FAILED IN FLIGHT & THEY WERE UNABLE TO RESET THE GEN IAW THE ACFT CHECKLIST. TROUBLESHOOTING IDENTIFIED THE LT GCU AS DEFECTIVE, PN 51539-006J, SN Y1434. THE DEFECTIVE GCU WAS REMOVED & AN OVERHAULED GCU WAS INSTALLED. OPERASep 17, 2013 · N92LP · Beech 400ASDR 2013FA0000608Volt Regulator · burnedPILOT REPORTED ODOR OF SMOKE IN COCKPIT. RETURNED TO AIRPORT. ELECTRICAL CHARGING SYSTEM FOUND INOPERATIVE. REPLACED VOLTAGE REGULATOR.Sep 17, 2013 · N9669Q · Cessna 172MSDR AALA20130731017Gcu · malfunctionedDFW CREW REPORTED RT ENGINE GENERATOR OFF LIGHT ILLUMINATED. EMERGENCY DECLARED, FLIGHT RETURNED DFW, LANDED WITHOUT INCIDENT. AIRCRAFT REMOVED FROM SERVICE. REPLACED RT ENGINE GENERATOR CONTROL UNIT. SYSTEM GROUND CHECKED NORMAL OPERATION CLOSED.Jul 31, 2013 · N7517A · Doug DC982SDR UALA2013052803708Gcu · faultyFIELD OFF LT ON AFT PANEL FOR THE RT ENG ILLUM. FOUND CB OPEN CB1, REPLACED GENERATION CONTROL UNIT RT ENGINE, RAN ENGINES FOR GENERATOR CHECK VOLT FREQ AND ACP DRIVE DISCONNECT IDG GOOD. RECONNECT IDG AND RESTORED RT ENGINE ELECTRICAL SYS.May 25, 2013 · N549UA · Boeing 757222SDR CHQA20130516165Gcu · failedCREW REPORTED THAT DURING CLIMBOUT THEY RECEIVED A GENERATOR OFF BUSS MESSAGE FROM GENERATORS 1, 3, 4, AND THE APU GENERATOR. THE CREW FOLLOWED THE QUICK REFERENCE HANDBOOK AND THE GENERATORS DID NOT COME BACK ONLINE. DURING THE RETURN TO FIELD FOR THIS ISSUMay 16, 2013 · N271SK · Emb EMB145LRSDR WRNA201300007Gcu · malfunctionedDURING CRUISE FROM LTX TO MIA, CREW ENCOUNTERED A NR 3 GENERATOR OFF LIGHT AND LOSS OF POWER TO BUS NR 3 AND RIGHT EMERGENCY BUS. CREW DEPLOYED THE ADG AND REGAINED POWER TO BOTH BUSES. CREW DIVERTED INTO BOG DUE TO REMAINING FUEL ON BOARD WITH NO FURTHER INMar 28, 2013 · N953AR · Doug MD11FSDR AALA20130320013Gcu · inoperativeDFW - CREW REPORTED ON DESCENT THE LEFT GENERATOR FAILED AND THE CROSSTIE LOCK-OUT LIGHT ILLUMINATED. EMERGENCY DECLARED FLIGHT LANDED DFW WITHOUT INCIDENT. AIRCRAFT REMOVED FROM SERVICE. REPLACED LEFT GENERATOR CONTROL UNIT. SYSTEM GROUND CHECK NORMAL OPEMar 20, 2013 · N493AA · Doug DC982SDR USAA2013031800025Gcu · faultyCREW REPORTED THE NR 1 TRANSFER BUS OFF LIGHT CYCLED DURING FLIGHT RAPIDLY. LOSS OF CAPTAINS FLIGHT INSTRUMENTS: AUTO THROTTLES, FMC, FUEL GAUGES AND OTHERS. CREW DECLARED AN EMERGENCY AND RETURNED TO FIELD AT PHL. FLIGHT LANDED AND TAXIED TO THE GATE WITHMar 17, 2013 · N454UW · Boeing 7374B7SDR CHQA20130306070Gcu · failedCREW REPORTED THAT THEY RECEIVED A GENERATOR 1 AND GENERATOR 3 OFF BUSS MESSAGED DURING FLIGHT. THE CREW RETURNED TO FIELD AND LANDED WITHOUT INCIDENT. MAINTENANCE REPLACED THE NUMBER 1 AND NUMBER 3 GENERATOR CONTROL UNITS. OPERATIONAL CHECKS WERE GOOD WITHMar 6, 2013 · N372SK · Emb EMB135KLSDR CHQA20130306069Gcu · failedCREW REPORTED THAT THEY RECEIVED A GENERATOR 1 AND GENERATOR 3 OFF BUSS MESSAGED DURING FLIGHT. THE CREW RETURNED TO FIELD AND LANDED WITHOUT INCIDENT. MAINTENANCE REPLACED THE NUMBER 1 AND NUMBER 3 GENERATOR CONTROL UNITS. OPERATIONAL CHECKS WERE GOOD WITHMar 6, 2013 · N372SK · Emb EMB135KLSDR UALA2012121707255Gcu · faultyRIGHT GENERATOR TRIPPED OFF-LINE JUST AFTER TAKEOFF. A/C POWER AVAILABLE FROM APU. FLIGHT CONTINUING TO MUC. TOMC PLANNING TO DEFER RIGHT ENGINE GENERATOR IN MUC. REPLACED APU GCU.Dec 16, 2012 · N663UA · Boeing 767322SDR SWAA2012121710737Gcu · faulty2 ENGINE GENERATOR DRIVE LIGHT ILLUMINATED, ACRID SMELL PRESENT IN CABIN AND COCKPIT. REPLACED UNIT PER MM.Dec 13, 2012 · N761RR · Boeing 7377H4SDR I06B2012114991Gcu · malfunctionedGEN 3 OFF BUS ON TAXI IN AFTER SHUTDOWN OF NR 2 ENGINE. SMELL OF SMOKE IN THE COCKPIT. PERFORMED FIM 21-20-00-810-801-A FOR SMELL OF SMOKE IN THE CABIN COCKPIT. NO ABNORMAL SMELL NOTED AT THIS TIME. AC RELEASED IAW MEL 24-31-01-2 CTRL # 768504B09. PLACARDNov 6, 2012 · N325JF · Emb EMB135ERSDR USAA2012100800016Gcu · faultyDEPARTED PVD WITH MEL 49-01A ASSIGNED (APU WON'T START). EN ROUTE TO CLT, NR 2 GENERATOR DROPPED OFF LINE. AT FIRST, IT WOULD NOT RESET. COMPLETED CHECKLIST AND GENERATOR RESET. ALL INDICATIONS NORMAL. CONTINUED TO CLT AND LANDED WITHOUT INCIDENT. MX TROOct 7, 2012 · N454UW · Boeing 7374B7SDR AALA20121005003Gcu · malfunctionedORD - INFLIGHT STL-LGA. CREW REPORTED AC CROSSTIE LOCKOUT. WHEN AIRFOIL ANTI-ICE WAS SELECTED, OZONE TYPE ODOR NOTICED IN COCKPIT. EMERGENCY DECLARED FLIGHT DIVERTED ORD LANDED WITHOUT INCIDENT. AIRCRAFT REMOVED FROM SERVICE. REPLACED LEFT AND RIGHT GENERAOct 5, 2012 · N7518A · Doug DC982SDR UALA2012091105101Gcu · faultyELEC GEN SYSTEM LEFT IDG HAS DISCONNECTED OR A PROTECTIVE TRIP OF THE GENERATOR CONTROL BREAKER HAS OCCURRED OR A PROTECTIVE TRIP OF THE BTB HAS OCCURRED. STATUS MSG01- LATCHED CLIMB MODE DEPENDENT; GENERATOR CONTROL UNIT (L) HAS AN INTERNAL FAULT. DB-GENERSep 11, 2012 · N782UA · Boeing 777222SDR UALA2012083104914Gcu · poppedRIGHTT ENGINE IDG VALVE C/B POPPING. THIS IS M31 CB(28VDC). IT IS CHRONIC AND MEL 7521D CANNOT BE USED TO DF THE RIGHT IDG VALVE, DUE TO STATING AFTER DEACTIVATION OF THE VALVE PUSH THE C/B IN. THIS ITEM NEEDS TO BE FIXED OR PROVISION OF MEL GET CHARGED. RAug 31, 2012 · N663UA · Boeing 767322SDR CA120723015Rcr · inoperative(CAN) THE PILOTS WERE WORKING THE HELICOPTER. THE FIRST PILOT AND EVENTUALLY THE NON FIRST PILOT SMELLED SOMETHING. THE FIRST PILOT NOTICED SMOKE RISING FROM HIS CHIN BUBBLE. THE LT INVERTRER LIGHT CAME ON AND WAS SWITCHED OFF BY THE NFP. THE SMOKE IN THE CJul 19, 2012 · Kamov KA32A1SDR C8GA20120710008Gcu · malfunctionedRIGHTT GEN OFF DISPLAYED ON TAKEOFF, CONDITION RETURNED TO NORMAL ON RESET. REMOVED AND REPLACED RIGHT GCU AND TESTED GOOD.Jul 5, 2012 · N531UL · Boeing 757222SDR SWIA201230950Gcu · failedLOST EADI AND EHSI FOR 3 SECONDS ON TAKEOFF WHEN THE AUX GENS CAME ON. (FLT 6397) REPLACED BOTH AUX GENERATOR GCU'S AND REPLACED NR 1 DPU. P/N 51549-001A, S/N OFF 98010, S/N OFF 811, P/N 622-7711-003, S/N OFF 4387.Jun 8, 2012 · N585SW · Emb EMB120ERSDR R61A201205310303Gcu · failedCREW REPORTED, RECEIVED A TRU2 FAIL MESSAGE IN FLIGHT. TRUCKS WERE ROLLED AS A PRECAUTION. LANDED WITHOUT INCIDENT. MAINTENANCE REPLACED GCU1 AND GCU2 PER EMB AMM.May 31, 2012 · N108HQ · Emb ERJ170200LRSDR HALA2012050600131Generator · faultedAPU GEN FAULT WOULD NOT RESET. FOUND OPEN LINE BETWEEN APU GENERATOR PINS A/7 AND A/1. REMOVED APU GEN IAW AMM 24-23. INSTALLED NEW APU GENERATOR IAW AMM 24-23-51. CHECKED OIL FILTERS, NO DEBRIS FOUND. REINSTALLED ORIGINAL FILTERS IAW AMM 24-23-51. RAN APMay 6, 2012 · N386HA · Airbus A330243SDR UALA2012031901774Gcu · malfunctionedTHERE IS A HYDRAULIC LEAK IN THE LT GEAR WHEEL WELL AREA. REPLACED HMG SHUTOFF VALVE PER AMM. PRESSURIZED AND NO LEAKS NOTED. AFTER REPLACING HMG OP CHECK FAILED (DID NOT TEST). RPL'D HYD MOTOR GENERATOR CONTROL UNIT PER MM AND ACP'D OPERATIONAL CHECK PERMar 17, 2012 · N596UA · Boeing 757222SDR UALA2012031201629Gcu · malfunctionedAPU GENERATOR POWER INOP INTERMITTENTLY. BITE TEST BPCU SHOW "REPLACE APU GCU" MSG. REPLACED APU GCU UNIT, NO HELP. NEED TO REPLACE AUXILARY POWER BREAKER C905 IN P34 PANEL. REPLACED AUX POWER BREAKER C905 PER MM. ACP GROUND TEST AND OPS CHECKS GOOD.Mar 10, 2012 · N673UA · Boeing 767322SDR UALA2012021300858Idg · faultyL IDG DISCONNECT. HAVE MX MSG 24-31631IDG (L) FREQ IS LOW AND MX MSG 24-31551 IDG (L) SHOWS LOW OIL PRESSURE. IDG FILTER CLOGGED WITH SMALL METALLIC FLAKES. FLUSHED IDG & SERVICED AMM, IDG SHOWS BLOCKED. MEL LEFT ENG IDG INOP. REPLACED IDG PER MM. ENG RAN Feb 10, 2012 · N213UA · Boeing 777222SDR UALA2012021300815Gcu · faultyEICAS MSG R GEN OFF DISPLAYED. GEN OFF LIGHT ILLUM. OPERATED NORM AFTER RESET. REPLACED THE RIGHT ENG GCU PER MM. RAN NR 2 ENG ALL INDICATIONS NORMAL FOR RIGHT GEN.Feb 10, 2012 · N661UA · Boeing 767322SDR CALA2012020200066Gcu · faultyOUT OF 7000 ON CLIMBOUT EICS YAW DAMPNER LIGHT FLICKERED ALONG WITH FLIGHT INSTRUMENTS. RESET FLIGHT AIRECATICS. CONTINUED WITH CLIMBOUT THE YAW DAMPNER WAS JERKING THE RUDDER AND ATTITUDE AND NAVIGATION SCREENS FLICKERED ON AND OFF CHANGED ATA 2400 TO 2420.Feb 2, 2012 · N18119 · Boeing 757224SDR NACA20120001Gcu · failedMECHANICAL INTERRUPTION, HIGH SPEED ABORT DUE TO NR 2 GENERATOR AND BUS FAILURE. REPLACED NR 2 GCU PER BAMM 24-21-81-401.Jan 31, 2012 · N320DL · Boeing 737232SDR BSYA2011036Regulator · failedAFTER DEPARTING BHM THE PILOT'S TURN-COORDINATOR FAILED AND THE STBY ALTERNATOR FAIL LIGHT CAME ON, DIVERTED BACK TO BHM. REMOVED AND REPLACED BOTH TURN-COORDINATOR AND STBY VOLT REGULATOR. OPS CHECKED GOOD. STBY ALT REG.Dec 6, 2011 · N9539F · Cessna 208SDR AALA20111121TUL01Idg · failedYQX - INFLIGHT JFK-CDG. CREW REPORTED RIGHT GENERATOR FAILED. EMERGENCY DECLARED FLIGHT DIVERTED YQX LANDED WITHOUT INCIDENT. PLACARD RIGHT GENERATOR PER MEL. FLIGHT CONTINUED TO DESTINATION. REPLACED INTEGRATED DRIVE GENERATOR AT JFK ON 11/21/2011. SYSTNov 20, 2011 · N186AN · Boeing 757223SDR AALA20111029JFK01Gcu · inoperativeJFK - CREW REPORTED RIGHT ENGINE GENERATOR FAILED. EMERGENCY DECLARED FLIGHT RETURNED JFK LANDED WITHOUT INCIDENT. PLACARDED RIGHT INTEGRATED DRIVE GENERATOR INOPERATIVE. FLIGHT CONTINUED TO AUA. REPLACED GENERATOR CONTROL UNIT AT TUL ON 11/1/2011. SYSTEMOct 29, 2011 · N196AA · Boeing 757223SDR CA120314007Regulator · malfunctioned(CAN) UNDERVOLT SETTING INCORRECT.Oct 17, 2011SDR UALA2011101105525Gcu · faultyL GEN DRIVE LIGHT IS NOT ILLUMINATED WHEN IT SHOULD BE LIGHT TESTS OKAY. COMPLIED WITH MEL 2411E. REPLACED LEFT GEN CNTRL UNIT, OPS NORMAL.Oct 11, 2011 · N596UA · Boeing 757222SDR UALA2011090904890Gcu · faultyRT GEN EICAS MSG, RTFL. REPLACED RT ENG IDG AND GCU PER MM. OPS CHECK NORMAL AFTER ENG RUN.Sep 9, 2011 · N643UA · Boeing 767322SDR UALA2011090504804Gcu · faultyREPLACE LT GCU. DUE TO CHRONIC BUG DUAL TRIP EVENTS AND HISTORY OF WHEN PROBLEM OCCURING. REPLACE THE LT GCU PER MM. ACCOMPLISHMENT OF ITEM DEPENDENT UPON HIGH PWR RUN RESULTS. REPLACED LEFT GCU PER AMM PER ABOVE EG6089 CALLOUT REQUEST.Sep 5, 2011 · N215UA · Boeing 777222SDR USAA2011071100037Gcu · failedAFTER TAKEOFF AT 1000FT AGL, LEFT TRANSFER BUS OFF LIGHT ILLUMINATED WITH ASSOCIATED LOSS OF EQUIPMENT POWERED BY LEFT TRANSFER BUS. NO AUTO TRANSFER. ACCOMPLISHED QRH "TRANSFER BUS OFF" PAGE 22 PROCEDURE. UNABLE TO RESTORE LEFT TRANSFER BUS. DECLARED AN EJul 9, 2011 · N454UW · Boeing 7374B7SDR UALA2011070503315Gcu · faultyCREW REPORTS RT ENG GEN DRIVE LIGHT AND GEN CNTL LIGHT ON AFTER START. PER FLT CREW GEN OFF LIGHT FLICKERED A COUPLE TIMES AFTER ENGINE START, NO EICAS MSG. REPLACED GCU-R PER MM. CKS OKAY, NO MSGS.Jul 2, 2011 · N204UA · Boeing 777222SDR NSVA2011151Gcu · failedAT 7000 FT ON CLIMBOUT RIGHT GEN LIGHT ILLUMINATED / CREW RAN QRH, TRIED TO RESET TO NO AVAIL. A/C RETURNED TO IAH. REPLACED RIGHT GCU.Jul 1, 2011 · N352CJ · Saab 340BSDR UALA2011061502947Gcu · malfunctionedEICAS MESSAGE RIGHT IDG TEMP SENSOR DISPLAYED AFTER PARKING AIRCRAFT FROM REPOSITIONING. BIT BPCU, MESSAGE IDG-OIL OUT BULB-WIRING, REPLACED RIGHT GCU. REPLACED RT IDG PER MM. RAN ENG, OPS CHECK GOOD.Jun 14, 2011 · N550UA · Boeing 757222
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