JASC 2436

Service difficulty reports · 313

Reports filed under 2436 · DC 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 = '2436'
  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 HEEA0013576Control Unit · failedGENERATOR WILL NOT COME ON LINE.Mar 26, 1998 · N1546G · Skrsky S76ASDR HEEA0013542Volt Regulator · failedGENERATOR SLOW TO COME ON LINE.Mar 26, 1998 · N210PH · Bell 206L3SDR HEEA0013537Volt Regulator · failedVOLTAGE REGULATOR FAILED. GEN DROPS OFF LINE.Mar 26, 1998 · N6251V · Bell 206L3SDR AU980411Diode · failed(AUS) DURING CRUISE, THE 'OVER-VOLTAGE' PROTECTION ZENER DIODE FAILED, CAUSING EXTENSIVE FAILURE OF ELECTRICAL AND AVIONICS EQUIPMENT.Mar 26, 1998 · Gulstm AA5BSDR HEEA0013468Regulator · failedVOLTAGE WILL NOT ADJUST.Mar 19, 1998 · N3533T · Bolkms BO105SSDR HEEA0013420Control Unit · failedWILL NOT COME ON LINE. CONTROL UNIT FAILEDMar 18, 1998 · N21498 · Bell 412SDR HEEA0013419Control Unit · failedGENERATOR WILL NOT COME ON LINE. CONTROL UNIT FAILEDMar 18, 1998 · N6559Z · Bell 412SDR HEEA0013418Control Unit · failedGENERATOR WILL NOT COME ON LINE. CONTROL UNIT FAILEDMar 18, 1998 · N6559Z · Bell 412SDR HEEA0013389Regulator · failedNO GENERATOR OUTPUT. VOLTAGE REG FAILED.Mar 18, 1998 · N3897N · Bell 214STSDR 98ZZZX1849Regulator · noisyADF WOULD NOT POINT BELOW 500 HKZ DUE TO ELECTRICAL NOISE GENERATED BY ALTERNATOR SYSTEM. FOUND THIS TYPE UNIT CAUSED INTERFERENCE DUE TO SWITCHING FREQUENCY OF REGULATION SYSTEM. ELEIMINATED PROBLEM BY RETURNING ALTERNATOR CONTROL SYSTEM TO OLDER LOW FREQUEMar 18, 1998 · N9790J · Piper PA28180SDR CA970807045Regulator · malfunctioned(CAN) CREW REPORTED ELECTRICAL BUS SEPARATION FOLLOWED BY AVIONICS CIRCUIT BREAKERS TRIPPING. LEFT GENERATOR DEEMED TO BE THE CAUSE AND WAS ISOLATED. MAINTENANCE FOUND THAT THE LEFT HAND GENERATOR CONTROL UNIT FAILED.Mar 12, 1998 · Beech F90SDR HEEA0013246Regulator · failedVOLTAGE REGULATOR UNABLE TO ADJUST VOLTAGE.Mar 4, 1998 · N59806 · Bell 214STSDR 98ZZZX1141Gcu · failedDC GENERATOR CONTROL RECEIVED FROM CUSTOMER FOR REPAIR. DURING INSPECTION, FOUND UNIDENTIFIABLE MODIFICATION ON CIRCUIT BOARD NR 51539-1081 REV E AND CIRCUIT BOARD NR 51539-1061 REV D WHEN THERE ARE NO MODIFICATIONS FOR THESE BOARDS OTHER THAN REPLACEMENT. DFeb 13, 1998SDR HEEA0012967Volt Regulator · failedGENERATOR SLOW TO COME ON LINE. VOLTS REG FAILEDFeb 10, 1998 · N210PH · Bell 206L3SDR HEEA0012962Regulator · failedDC REG FAILED. PEGS VOLTMETER.Feb 10, 1998 · N103PH · Bell 206B3SDR HEEA0012961Regulator · defectiveVOLTS REG DEFECTIVE. NOT ADJUSTABLE ABOVE 270 FEET.Feb 10, 1998 · N2269A · Bell 206B3SDR HEEA0012952Regulator · failedNR 2 GENERATOR INOPERATIVE. PUTS OUT VOLTAGE BUT NO AMPERAGE.Feb 10, 1998 · N3071K · Bolkms BO105SSDR HEEA0012939Volt Regulator · defectiveGENERATOR WOULD FALL OFF LINE BUT WOULD RESET EACH TIME.Feb 10, 1998 · N21497 · Bell 206L3SDR HEEA0012929Volt Regulator · failedCAUSES STARTER TO RUN AFTER SHUTDOWN.Feb 10, 1998 · N11027 · Bell 206L1SDR HEEA0012927Volt Regulator · failedGENERATOR WILL NOT COME ON LINE.Feb 10, 1998 · N11027 · Bell 206L1SDR MALA975955Gcu · failedRIGHT GENERATOR FAILED IN FLIGHT, AFTER RESETTING, IT FAILED AGAIN. AIRCRAFT RETURNED TO DTW. MAINTENANCE REPLACED RIGHT DC GCU, ALL CHECKS GOOD.Feb 6, 1998 · N98XJ · Saab SF340ASDR HEEA0012835Volt Regulator · failedREG DROPPED OFF LINE AND WOULD NOT RESET.Feb 5, 1998 · N979BH · Bell 206L3SDR HEEA0012817Volt Regulator · failedVOLT REG NOT WORKING. GENERATOR WILL NOT COME ON LINE.Feb 5, 1998 · N1073W · Bell 206L1SDR HEEA0012816Volt Regulator · failedGENERATOR DOES NOT COME ON. REG FAILEDFeb 5, 1998 · N1073W · Bell 206L1SDR HEEA0012641Regulator · failedGENERATOR WILL NOT COME ON LINE. REG FAILEDJan 26, 1998 · N54641 · Bell 206L3SDR 98ZZZX1396Gcu · failedPILOT REPORTED GENENRATOR WILL NOT COME ON-LINE. REPLACED GENERATOR CONTROL UNIT. OPERATIONS NORMAL.Jan 16, 1998 · N313KA · Kaman K1200SDR HEEA0012451Regulator · inoperativeVOLTAGE REGULATOR INOPERATIVE.Jan 5, 1998 · N745H · Bell 214STSDR 98ZZZX46Regulator · shortedACFT EXPERIENCED OVERVOLTAGE CONDITION THAT CAUSED SYSTEMS THAT WERE TURNED ON TO FAIL, AND ALL RADIOS TO PRODUCE HEAVY SMOKE. REGULATOR TEAR-DOWN REVEALED LARGE RESISTOR FOUND INSIDE UNIT UNATTACHED. IT APPEARS RESISTOR WAS NOT PROPERLY ATTACHED TO C/B. IFDec 9, 1997 · N2819A · Piper PA28181SDR HEEA0012292Volts Regulator · failedNO. 1 GEN WILL NOT COME ON LINE.Dec 8, 1997 · N911RZ · Bolkms BK117A4SDR HEEA0012290Regulator · failedWILL NOT COME ON LINE WITH ANOTHER GENERATOR ON.Dec 8, 1997 · N3071K · Bolkms BO105SSDR HEEA0012289Volts Regulator · failedVOLTAGE REGULATOR FAILED. WILL NOT SHARE THE LOAD WITH THE OTHER SYSTEMS.Dec 8, 1997 · N911RZ · Bolkms BK117A4SDR HEEA0012282Volts Regulator · failedGENERATOR WOULD NOT COME ON LINE.Dec 8, 1997 · N3178K · Bell 206L1SDR HEEA0012144Volt Regulator · failedVOLT REG WILL NOT STAY ON LINE.Nov 28, 1997 · N3178K · Bell 206L1SDR 98ZZZX566Regulator · failedVOLTAGE REGULATOR UNIT FAILED UPON INITIAL USE. REMOVED AND REPLACED.Nov 28, 1997SDR HEEA0012049Regulator · failedGENERATOR WILL NOT COME ON LINE.Nov 19, 1997 · N4282Z · Bell 206L3SDR HEEA0012048Regulator · failedGENERATOR DROPS OFF LINE.Nov 19, 1997 · N54641 · Bell 206L3SDR 98ZZZX739Regulator · failedAIRCRAFT TT: 100.5 HOURS. AFTER ONE HOUR OF FLIGHT, THE VOLTAGE INCREASED FROM 28.5 TO 30.5 VOLTS AND STABILIZES AT 30.5 VOLTS. REMOVED AND REPLACED VOLTAGE REGULATOR WITH NEW.Nov 17, 1997 · N96335 · Bell 407SDR CA971216050Voltage Regulatr · failed(CAN) DURING CRUISE, RIGHT HAND DC GENERATOR WENT OFF-LINE AND COULD NOT BE RESET. MAINTENANCE INVESTIGATION REVEALED THAT VOLTAGE REGULATOR WAS REGULATING AT A HIGH VOLTAGE RATE AND COULD NOT BE ADJUSTED. THIS RESULTED IN NR 1 DC GENERATOR TAKING MOST OF THNov 13, 1997 · Cvac 340CVACSDR HEEA0011941Regulator · failedGENERATOR WOULD NOT COME ON LINE.Nov 12, 1997 · N6610Y · Bell 206L3SDR HEEA0011940Regulator · failedGENERATOR WOULD NOT COME ON LINE.Nov 12, 1997 · N54641 · Bell 206L3SDR HEEA0011880Regulator · failedVOLTAGE WILL NOT STAY SET.Nov 10, 1997 · N27702 · Bell 206L1SDR HEEA0011878Regulator · failedGENERATOR FALLS OFF LINE AFTER 20 MINUTES.Nov 10, 1997 · N3108E · Bell 206L3SDR HEEA0011829Regulator · defectiveGENERATOR WILL NOT RESET. REGULATOR POTENTIOMETER IS CORRODED AND DUAL RESISTOR IS CRACKED AND CHIPPED.Nov 7, 1997 · N2268G · Bell 206B3SDR HEEA0011692Regulator · failedREGULATOR MALFUNCTION, WILL NOT REGULATE, TRIPS ON OVER VOLTAGE.Oct 22, 1997 · N3108E · Bell 206L3SDR HEEA0011637Regulator · failedGENERATOR DOES NOT COME ON LINE.Oct 22, 1997 · N3207Q · Bell 206L3SDR HEEA0011632Regulator · failedREGULATOR HAS NO VOLTAGE OUTPUT.Oct 22, 1997 · N5019F · Bell 206L1SDR 97ZZZX4639Regulator · failedAIRCRAFT ELECTRICAL SYSTEM EXPERIENCED ON ABRUPT MALFUNCTION, NO CHARGING CONDITION. FOUND VOLTAGE REGULATOR FAILED.Oct 17, 1997 · N8193U · Cessna 150MSDR HEEA0011517Regulator · failedGENERATOR GOES OFF LINE.Oct 15, 1997 · N8045T · Bell 214STSDR HEEA0011325Volt Regulator · failedVOLTAGE REGULATOR FAILED GENERATOR WONT COME ON LINE.Oct 8, 1997 · N6160Z · Bell 206L3SDR HEEA0011141Regulator · failedVOLTAGE REGULATOR DEFECTIVE. GENERATOR WOULD NOT COME ON LINE.Oct 2, 1997 · N6957Y · Bell 214ST
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