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 QXEA200301051Gcu · malfunctionedGEG- ON FLIGHT 2314 NR 1 DC GENERATOR ILLUMINATED FOLLOWED BY NR 1 DC GENERATOR HOT CAUTION LIGHT 30 SECONDS LATER. SECURED DC GENERATOR PER CHECKLIST WITH DC GENERATOR HOT CAUTION EXISTING. REMOVED AND REPLACED NR 1 DC GCU. OPERATIONAL CHECKS GOOD. AIRCRAFT RAug 30, 2003 · N402QX · Bombdr DHC8401SDR QXEA200300846Gcu · malfunctionedSEA- ON FLIGHT 2344 NR 1 DC GENERATOR CAUTION LIGHT CAME ON AFTER TAKEOFF IN SUN AND AGAIN AFTER TAKEOFF IN BOI. ABNORMAL CHECKLIST WAS FOLLOWED ON BOTH OCCASIONS. LIGHT WENT OUT BOTH TIMES. REMOVED AND REPLACED DC GCU. OPERATIONAL CHECKS GOOD. AIRCRAFT RETURNJul 20, 2003 · N412QX · Bombdr DHC8401SDR QXEA200300862Gcu · failedSEA- ON FLIGHT 2315 NR 1 DC GENERATOR CAUTION IN FLIGHT. GENERATOR RESET PER CHECKLIST WITH NO FURTHER PROBLEMS. REMOVED AND REPLACED NR 1 DC GCU. OPERATIONAL CHECKS GOOD. AIRCRAFT RETURNED TO SERVICE.Jul 19, 2003 · N412QX · Bombdr DHC8401SDR HEEA086966Volt Regulator · intermittentGENERATOR FALLS OFF LINE INTERMITTENTLY. TO BE SENT TO VENDOR FOR REPAIR.Jun 3, 2003 · N402PH · Bell 407SDR HEEA086720Volt Regulator · inoperativeVOLTAGE REGULATOR INOPERATIVE.May 21, 2003 · N5031U · Bolkms BO105SSDR HEEA086719Volt Regulator · failedVOLT REGULATOR PRODUCING OVERVOLTAGE NO REGULATION.May 21, 2003 · N5031U · Bolkms BO105SSDR HEEA086718Volt Regulator · failedNR 1 ENGINE VOLTAGE REGULATOR QUIT WHILE SETTING NR 2 GENERATOR VOLTAGE AFTER WIRE REPAIR. SENT FOR WARRANTY REPAIR.May 21, 2003 · N5031U · Bolkms BO105SSDR HEEA086717Volt Regulator · inoperativeVOLTAGE REGULATOR PRODUCING UNCONTROLLED VOLTAGE. SENT FOR INSPECTION AND REPAIR.May 21, 2003 · N5031U · Bolkms BO105SSDR HEEA086716Volt Regulator · inoperativeVOLTAGE REGULATOR PRODUCING UNCONTROLLED VOLTAGE. SENT FOR WARRANTY REPAIR.May 21, 2003 · N5031U · Bolkms BO105SSDR 2003FA0000440Volt Regulator · defectiveWHILE UPGRADING VOLTAGE REGULATOR P/N 68804-006 TO P/N 68804-007 IAW MFG SERVICE LETTER 1049 WE HAVE HAD SEVERAL NEW REGULATORS THAT WOULD NOT WORK RIGHT OUT OF THE BOX. IN THIS PARTICULAR INSTANCE THE REGULATOR OPERATIONAL CHECKED NORMAL DURING GROUND RUNS BApr 24, 2003 · N902WL · Piper PA32R301TSDR AUS20030353Volt Regulator · unserviceable(AUS) VOLTAGE REGULATOR FAULTY. VIBRATING CONTACTS WELDED CLOSED CAUSING OVER VOLTAGE WHICH DAMAGED SOME AVIONICS EQUIPMENT.Mar 17, 2003 · Cessna 185ASDR HEEA085041Volt Regulator · malfunctionedVOLTAGE INTERMITTENTLY SPIKES. SENT VOLTAGE REGULATOR IN FOR INSPECTION AND REPAIR.Feb 28, 2003 · N4835 · Bell 206L3SDR JJWA0049743Volt Regulator · failedVOLTAGE REGULATOR FAILED ON TAKEOFF, CAUSED BOTH COMM RADIOS TO FAIL WITH SMOKE OBSERVED FROM COLLINS 251 COMM RADIO. REPLACED REGULATOR, SERVICED GILL BATTERY AND OVERFLOW BOTTLE, ADJUSTED REG TO 27.5 VDC, BORROWED RADIOS TO USE WHILE COMM ARE REPAIR, NO OTHFeb 10, 2003 · N25PM · Bell 206BSDR JJWA084103Volt Regulator · defectiveVOLTAGE REGULATOR FAILED ON TAKE OFF, CAUSED BOTH COMM RADIOS TO FAIL WITH SMOKE OBSERVED FROM COLLINS 251 COMM RADIO. REPLACED REGULATOR, SERVICED GILL BATTERY & OVERFLOW BOTTLE, ADJUSTED REG TO 27.5 VDC, BORROWED RADIOS TO USE WHILE COMM ARE REPAIR, NO OTHERFeb 10, 2003 · N25PM · Bell 206BSDR HEEA083589Volt Regulator · malfunctionedVOLT REGULATOR HAS UNEVEN AMP. DRAW. TO BE SENT TO VENDOR FOR REPAIR.Jan 14, 2003 · N3893L · Bell 412SDR HEEA083260Volt Regulator · damagedGENERATOR KICKS OFF LINE WHEN VHF IS KEYED. CHANGED DC VOLTAGE REGULATOR.Jan 8, 2003 · N4835 · Bell 206L3SDR HEEA083259Volt Regulator · damagedGENERATOR KEEPS DROPPING OFF LINE. CHANGED DC VOLTAGE REGULATOR.Jan 8, 2003 · N31077 · Bell 206L3SDR HEEA083258Volt Regulator · damagedWHEN RADIO IS KEYED GENERATOR GOES OFF LINE. CHANGED DC VOLTAGE REGULATOR.Jan 8, 2003 · N8594X · Bell 206L3SDR HEEA083105Regulator · damagedUNABLE TO ADJUST REGULATOR PAST 27 VOLTS.Jan 8, 2003 · N2268V · Bell 206B3SDR HEEA082634Volt Regulator · defectiveDC VOLTAGE REGULATOR WILL NOT ADJUST. TO BE SENT TO VENDOR FOR REPAIR.Dec 11, 2002 · N6607K · Bolkms BO105SSDR RAIA00211332Gcu · malfunctioned5282-PIT- LEFT GENERATOR OFF LIGHT ILLUMINATED. MAINTENANCE REMOVED AND REPLACED THE GENERATOR CONTROL UNIT, OPS CK OK.Nov 24, 2002 · N807HK · Emb EMB145SDR CA020830006Sensor · failed(CAN) HIGH VOLTAGE LIGHT CAME ON DURING FLIGHT. FLIGHT TERMINATED. OVER VOLTAGE SENSOR FAILED. RESULTED IN DAMAGE TO VOLTAGE REGULATOR AND BATTERY CONTACTOR. ELECTRICAL COMPONENTS REPLACED.Aug 2, 2002 · Cessna 172MSDR CA020716001Volt Regulator · unserviceable(CAN) AFTER NORMAL START, THE GENERATOR "ON" SWITCH WAS ACTIVATED, BUT THE GENERATOR DID NOT COME ON LINE.IN TROUBLESHOOTING THE PROBLEM, IT WAS TRACED TO A FAULTY VOLTAGE REGULATOR, WHICH WAS SUBSEQUENTLY REPLACED WITH AN AIRWORTHY PART.Jul 10, 2002 · Bell 206BSDR LS1R088307Volt Regulator · failedDC REGULATOR FAILED TO REGULATE.May 29, 2002 · N90322 · Bell 206B3SDR RAIA00205160Gcu · inoperative5494-COU- DURING TAXI-OUT RIGHT GENERATOR FAILED. MAINTENANCE REMOVED AND REPLACED #2 GENERATOR CONTROL UNIT.May 22, 2002 · N558HK · Jetair JETSTM4101SDR 2003F00014Gcu · out of adjustFLT 7788 - JAC - BOTH MAIN GENERATORS AND NR 2 AUXILIARY GENERATOR DROPPED OFF LINE. GCU'S ADJUSTMENT. ADJUSTED NR 1 STARTER/GENERATOR FROM 31.8V TO 28.5V, NR 2 STARTER/GENERATOR ROM 28.9V TO 28.5V AND NR 2 AUX GENERATOR FROM 31.9V TO 28.5V. OPS CHECK OF SYDec 7, 2001 · N125AM · Emb EMB120ERSDR 2001FA0000552Connector · looseAIRCRAFT LOST ELECTRICAL POWER IN FLIGHT. PLUG THAT CONNECTED VOLTAGE REGULATOR/ WARNING INDICATOR TO ALTERNATOR DID NOT LOCK AND VIBRATED LOOSE. BECAUSE THE LOW VOLTAGE INDICATOR DIE NOT ILLUMINATE AND THE AMMETER IS ON THE FAR RIGHT SIDE OF CABIN, PILOT WANov 8, 2001 · N6410N · Cessna T210NSDR CA011019001Gcu(CAN) DURING CRUISE, PILOT NOTICED STANDBY POWER ON ANNUNCIATOR FLASHING FOLLOWED SHORTLY BY THE STANDBY POWER INOP ANNUNCIATOR ON STEADILY.THIS WAS FOLLOWED BY THE GENERATOR OFF ANNUNCIATOR ILLUMINATING.BOTH GENERATOR POWER AND STANDBY POWER COULD BE RETURNEDOct 18, 2001 · Cessna 208BSDR CA011005003Volt Regulator · inoperative(CAN) INCOMPATIBILITY BETWEEN PARTS.IT HAS BEEN DISCOVERED THAT SEVERAL SUPPLIERS HAVE BEEN INFORMED THAT VOLTAGE REGULATORS LAMAR DGR 6 & ELECTROSYS VR600A ARE COMPATIBLE & INTERCHANGEABLE. IN ACTUALFACT LAMAR DGR6 IS INTERCHANGEABLE WITH THE ELECTROSYS VR60Sep 19, 2001 · Cessna 150MSDR KBMA88794Volt Regulator · malfunctionedVOLTAGE REGULATOR MAX ADJUSTMENT IS 27.5 VOLTS. REMOVED AND REPLACED SERVICEABLE VOLTAGE REGULATOR.Sep 7, 2001 · N667JM · Bell 206BSDR CA010910008Relay · failed(CAN) DURING SRVICE CHECK, WITH NO A/C POWER & BATTERY SELECTED TO DC, THE AMP METER WENT TO 40 AMPS, AFTER APU START, THE D.C. AMPS METER STOCKED AT 100 AMPS. FOUND HIGH RESISTANCE BETWEEN TERMINAL B2 AND A2 OF R1 BATTERY BUS RELAY, WHEN RESISTANCE SHOULAug 9, 2001 · Boeing 7372T7SDR HEEA073621Volt Regulator · malfunctionedON FIRST START OF THE DAY, GENERATOR WILL NOT COME ON LINE.Jun 18, 2001 · N21497 · Bell 206L3SDR HEEA073620Volt Regulator · malfunctionedGENERATOR WENT OFF LINE AND WON'T RESET.Jun 18, 2001 · N21497 · Bell 206L3SDR LS1R073267Volt Regulator · inoperativeVOLTAGE REGULATOR WILL NOT COME ON LINE.Jun 4, 2001 · N8330P · Hughes 369ESDR HEEA072652Volt Regulator · failedGENERATOR KICKS OFF LINE.Apr 18, 2001 · N30KH · Bell 206L3SDR AC2A072828Volt Regulator · defectiveREGULATOR WAS INOPERATIVE WHEN WE RECEIVED IT FROM BELL. EXCHANGING THIS PART FOR A NEW ONE.Apr 16, 2001 · N430CH · Bell 430SDR HEEA072439Gcu · failedNR 2 GENERATOR FAILED IN FLIGHT, WOULD NOT RESET.Apr 9, 2001 · N6559Z · Bell 412SDR CA010321014Gcu · shorted(CAN) RT GENERATOR WOULD NOT COME ON LINE. SWITCHED R/H GENERATOR TO LT GENERATOR CONTROL UNIT (GCU) WORKED FINE. REPLACED RT GCU AND IT SHORTED OUT AND SMOKED. UNIT HAD OTSO.Feb 28, 2001 · Gulstm 690DSDR MALA010209Gcu · failedDC GENERATOR CAUTION LIGHT ILLUMINATED SHORTLY AFTER TAKEOFF. COULD NOT RESET. AIR RETURN TO DTW. MAINTENANCE REPLACED RT DC GCU (P/N 51539-007B) (S/N ON 99572). RT AIRCRAFT IN SEVERAL CONFIGUATIONS. ALL CHECKS GOOD AT THIS TIME. ALL IAW SF340 AMM.Feb 17, 2001 · N430XJ · Saab 340BSDR AU010286Regulator · malfunctioned(AUS) REGULATOR OVERVOLTAGE. CHARGING SYSTEM TRIPPED.Feb 5, 2001 · Piper PA23250SDR AU010178Volt Regulator · overheated(AUS) NR 2 GENERATOR VOLTAGE REGULATOR FAULTY.Feb 4, 2001 · Doug C54ESDR RAIA0101008Control Unit · failed7158-STL- DURING CRUISE NR 2 DC GENERATOR FAILED. MAINTENANCE REMOVED AND REPLACED NR 2 GENERATOR CONTROL UNIT IAW ATR42 MAINTENANCE MANUAL.Jan 12, 2001 · N424TE · Aerosp ATR42300SDR E6RA200124002Regulator · failedON TAKE-OFF, NUMBER 2 GENERATOR FAILED. TAKE-OFF ABORTED AND AIRCRAFT RETURNED TO GATE. SWAPPED NUMBER 2 GENERATOR CONTROL UNIT (GCU) WITH APU GCU AND CONFIRMED FAILURE. INOPERATIVE GCU WAS DEFERRED IN ACCORDANCE WITH MEL. GCU WAS FUNCTIONALLY TESTED IN ACCORDec 30, 2000 · N621AC · Boeing 737230SDR 20001207SH005Regulator · failedALTERNATOR CONTROL UNIT FAILED INTERNALLY EMITTING SMOKE ODOR. REPLACED ACU AND INSPECTED CHARGING SYSTEM FOR OPERATION IAW CESSNA MM. (NO DEFECTS NOTED). (X)Nov 14, 2000 · N65003 · Cessna 172PSDR 20001031SH020Regulator · mismarkedBOTH REGULATORS ARE OF THE PARALLELING TYPE. THE PARALLELING TERMINAL ON THE REGULATOR IS MARKED GRD FOR GROUND, AND SHOULD BE PAR FOR PARALLEL. IF THIS TERMINAL IS GROUNDED TO THE PARALLELING RELAY, THE WIRES WILL SMOKE REPRESENTING A FIRE HAZARD UNDER THE Oct 3, 2000 · N1029Q · Cessna 310HSDR 20001031SH019Regulator · mismarkedBOTH REGULATORS ARE OF THE PARALLELING TYPE. THE PARALLELING TERMINAL ON THE REGULATOR IS MARKED GRD FOR GROUND, AND SHOULD BE PAR FOR PARALLEL. IF THIS TERMINAL IS GROUNDED TO THE PARALLELING RELAY, THE WIRES WILL SMOKE REPRESENTING A FIRE HAZARD UNDER THE Oct 3, 2000 · N1029Q · Cessna 310HSDR 20001017SH033Regulator · shortedPILOT EXPERIENCED ELECTRICAL POWER FAILURE. NEW ALTERNATOR INSTALLED. PILOT DEPARTED EN ROUTE HOME WHEN ELECTRICAL POWER WAS LOST AGAIN 9-19-2000. MAINT REPLACED VOLTAGE REGULATOR. THIS IS THE SECOND INCIDENT. IN TWO YEARS, BOTH TIMES THE INDIVIDUAL COMPOSep 18, 2000 · N734JV · Cessna P210NSDR CHQA20000031Gcu · failedFLIGHT CREW RETURNED TO THE FIELD AFTER THE RIGHT ENGINE GENERATOR FELL OFF LINE. MAINTENANCE REPLACED THE GENERATOR CONTROL UNIT, GROUND RAN, OPS CHECKED NORMAL.Sep 11, 2000 · N96CN · Saab SF340ASDR EISA2000046Regulator · failedDURING TAKEOFF, NR 3 BUS TIE LIGHT ILLUMINATED. AFTER TAKEOFF PANEL LIGHT BEGAN TO FLICKER. THEN NR 1 FIELD RELAY AND GENERATOR BREAKER TRIPPED OFF. SMOKE SMELL IN COCKPIT. AIRCRAFT HAD AN OVERWEIGHT LANDING. AIR TURN BACK. REMOVED AND REPLACED VOLTAGE RMay 2, 2000 · N6815 · Boeing 727223SDR CA000301030Regulator · failed(CAN) THE REGULATOR FAILED AND CAUSED THE BATTERY TO BE OVERCHARGED WHICH DESTROYED THE BATTERY.Feb 18, 2000 · Cessna 150J
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