JASC 2430
Service difficulty reports · 1,121
Reports filed under 2430 · DC Generating System, 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 = '2430' 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.
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 = '2430' ORDER BY difficulty_date DESC
Run it at the DuckDB prompt, or in any tool that reads Parquet over HTTPS. More ways to query the release are on Use the data.
SDR HEEA966639Control Unit · defectiveCONTROL UNIT DEFECTIVE. #2 D.C. GENERATOR WOULD NOT COME ON LINE.SDR HEEA966638Control Unit · failedCONTROL UNIT FAILED. #2 DC GENERATOR INOPERATIVE.SDR HEEA966637Control Unit · defectiveCONTROL UNIT VOLT ADJUSTMENT SCREW BROKEN.SDR HEEA966636Control Unit · defectiveCONTROL UNIT DEFECTIVE. GENERATOR WOULD NOT COME ON LINE.SDR HEEA966635Control Unit · defectiveCONTROL UNIT DEFECTIVE. UNABLE TO PARALLEL.SDR HEEA966634Control Unit · defective#2 GENERATOR KICKS OFF LINE WHEN ANY INVERTER IS TURNED ON.SDR RAIA960147Sensor · failedSTL - FLT NR 7240 - NR 2 DC GENERATOR FAULT. MAINTENANCE REMOVED AND REPLACED RIGHT HALL EFFECT SENSOR. OPERATIONAL CHECK GOOD. (M)SDR 96ZZZX607Connector · corrodedCREW REPORTED THEY COULD NOT BATTERY START ENGINE. FOUND BATTERY CONNECTOR CORRODED AND BURNED. REMOVED AND REPLACED ELCON CONNECTOR AND REPLACED BATTERY. CONNECTOR FAILED GO, NO-GO CHECK. LOOSE CONNECTOR CAUSED ARCING AND CORROSION.SDR CA960123025Wire · burned(CAN)PILOT REPORTED TRU CIRCUIT BREAKER HAD POPPED. INSPECTION FOUND THAT CABLE 10138A-16NA-1 OF PIN 'D' ON CONNECTOR 2431P19 (LEFT TRU) TO GROUND GS 13 HAD BURNT ALONG ITS FULL LENGTH REF. WIRING DIAGRAM 24-31-00 (DC GENERATION).SDR CA951212002Wire · chafed(CAN)DURING CLIMB OUT THE CREW NOTICED A LOW VOLTAGE WARNING LIGHT. THEY SELECTED AUX REGULATOR AND SHORTLY AFTER AGAIN GOT A LOW VOLTAGE WARNING LIGHT. AIRCRAFT DIVERTED TO MAINTENANCE BASE. INVESTIGATION REVEALED AN OVERVOLTAGE CONDITION WHICH WAS TRACED SDR MEJA1104Terminal · brokenON APPROACH TO BIS, THE RIGHT GENERATOR LIGHT CAME ON, UNABLE TO RESET GENERATOR. THE FLIGHT CREW CONTINUED THE APPROACH AND LANDED WITHOUT FURTHER INCIDENT. MAINTENANCE TROUBLESHOT AND FOUND TERMINAL ON WIRE BROKEN AT GENERATOR. REMOVED AND REPLACED TERMINSDR 95ZZZX7015Relay · stuckCONTACT STUCK IN CLOSED POSITION AFTER ENGINE STARTED CAUSING STARTER TO OVERHEAT AND SHORT OUT. SHORT CAUSED BATTERY TERMINAL TO MELT OFF. TOTAL ELECTRICAL FAILURE FOLLOWED.SDR 95ZZZX7049Relay · inoperativeGENERATOR RELAY INOP. REPLACED WITH NEW RELAY.SDR VTZA96024Sensor Unit · failedIAD/SWF - FLT 6351 - DURING CLIMB-OUT AT 1300 HRS ON 11-9-95, RETURNED TO IAD DUE TO AMP SPLIT, LT 50 AMPS, RT 100 AMPS; 40 AMPS ALLOWABLE IN ARM. AIRCRAFT LANDED AT IAD WITH NO FURTHER INCIDENTS. MAINTENANCE REPAIRED BROKEN SENSING UNIT ON LT GENERATOR. (XSDR 95ZZZX6164Relay · wrong partELECTRICAL SYSTEM WOULD MOMENTARILY DROP OFF-LINE WHEN GEAR WAS RETRACTED. FOUND BATTERY AND STARTER RELAY TYPES REVERSED, INTERMITTENT DUTY RELAY INSTALLED IN BATTERY POSITION. INSTALLED NEW CORRECT P/N RELAYS IN BATTERY AND STARTER POSITIONS. NEW DIODES FSDR COMA9520389Gcu · failedLEFT GENERATOR WILL NOT COME ON LINE. RESET HAS NO EFFECT. REPLACED THE LT GENERATOR CONTROL UNIT.SDR 95ZZZX6324Relay · failedON SHORT FINAL, MAIN GENERATOR WENT OFF-LINE. PILOT IN AFT SEAT COULD SMELL BURNING ELECTRICAL WIRING. GROUND TEST REVEALED REVERSE CURRENT RELAY WAS DEFECTIVE.SDR HEEA955762Relay · defectiveGENERATOR MOTORS AFTER ENGINE SHUT DOWN. REPLACED WITH SERVICEABLE RELAY.SDR HEEA955660Control Unit · failed#1 GENERATOR FAILS TO COME ON LINE. RELAY 212-075-199-1 BLOWS IT OUT. REPLACED Q4 TRANSISTOR P/N 05-990044. BENCH CHECK OK.SDR QXEA9500257Current Limiter · loosePDX - AIRCRAFT RETURNED TO FIELD DUE TO ELECTRICAL SMELL IN COCKPIT. FOUND 225 AMP CURRENT LIMITER NUT WAS LOOSE AND LIMITER SHOWED SIGNS OF HEAT. CURRENT LIMITER WAS REPLACED AND MOUNTING POINT WAS CHECKED FOR DAMAGE, NONE NOTED. LIMITER OPS CHECKED GOOD, SDR S2YA950019Generator · off lineAFTER THE FLIGHT CREW LEFT MKE ON FLT NR 1124, THEY FOUND THAT THE RT DC GENERATOR WAS OFF LINE. THEY PROCEEDED TO TURN BACK TO MKE. MAINTENANCE PARALLELED THE GENERATOR CIRCUIT PER BEECH MM AND OPS CHECK GOOD. (M)SDR M3HA95015Sensor · wetHNL - FLT NR 702 - NR 2 DC GENERATOR FAILED DURING CLIMB-OUT. REPLACED SENSOR, HALL EFFECT. (M)SDR 95ZZZX6583Bonding Cable · end brokenBONDING CABLE END BROKEN. REMOVED AND REPLACED.SDR WRLA95038Rccb · trippedDURING TAXI-OUT, CAPTAIN NOTED REMOTE CONTROL CIRCUIT BREAKER ALERT. AIRCRAFT RETURNED TO GATE WITHOUT FURTHER INCIDENT. MAINTENANCE PERSONNEL SHUT DOWN ENGINE AND PERFORMED RETURN TO SERVICE TEST. OPS CHECK NORMAL. AIRCRAFT RETURNED TO SERVICE. (X)SDR 95ZZZX5241Electrical Sys · faultyAIRCRAFT EXPERIENCED ELECTRICAL FAILURE IN-FLIGHT. BOTH GENERATORS DROPPED OFF LINE. SWITCHED TO EMERGENCY BUS AND LANDED WITHOUT FURTHER PROBLEMS. TROUBLESHOT SYSTEM AND WAS UNABLE TO DETERMINE EXACT PROBLEM. INSTALLED NEW GENERATORS SAME PN 6058003-1 LEFSDR 95ZZZM457Relay · failedLEFT REVERSE CURRENT CUTOUT RELAY MAIN CONTACTORS REMAINED CLOSED AFTER ENGINE SHUTDOWN CAUSING THE STARTER/GENERATOR TO MOTOR CONTINOUSLY UNTIL THE MOTOR WAS DAMAGED FROM EXCESSIVE HEAT. THE LEFT ENGINE STARTER/GENERATOR AND REVERSE CURRENT CUTOUT RELAY WERESDR PLGA71495G1Gcu · malfunctionedFLT 4306 RETURNED TO BOS DUE TO A RIGHT HAND GENERATOR TIE LIGHT FOLLOWED BY ABNORMAL BUSS VOLTAGE PROBLEMS. THE AIRCRAFT RETURNED TO BOS WITHOUT INCIDENT. MAINTENANCE WAS DISPATCHED TO THE AIRCRAFT. MAINTENANCE REPLACED THE RIGHT HAND DC POWER PANEL AND BOSDR 95ZZZM255Power Panel · malfunctionedFLT 4306 RETURNED TO BOS DUE TO A RIGHT HAND GENERATOR TIE LIGHT FOLLOWED BY ABNORMAL BUSS VOLTAGE PROBLEMS. THE AIRCRAFT RETURNED TO BOS WITHOUT INCIDENT. MAINTENANCE WAS DISPATCHED TO THE AIRCRAFT. MAINTENANCE REPLACED THE RIGHT HAND DC POWER PANEL AND BOSDR HEEA955335Relay · faultyBUS INHIBIT RELAY CAUSING #1 GENERATOR TO KICK OFF LINE WHEN #2 ENGINE IS STARTED.SDR HEEA955306Relay · failed#1 GEN WOULD NOT COME ON LINE AFTER START. FOUND SCREWS THAT HOLD RELAY HALVES TOGETHER HAD BACKED COMPLETELY OUT ALLOWING SOLENOID PLUNGER TO JAM NOT ALLOWING MICRO SWITCHES TO GO TO REST. REPLACED WITH SERVICEABLE RELAY. SUGGEST LOCK TIGHT BE APPLIED TO ALSDR HEEA955221Circuit Board · defectiveFOUND SEVERAL OPEN OR SHORTED DIODES.SDR 95ZZZX3249Solenoid · failedPANEL ELECTRICAL FAILURE. EMERGENCY EXTENSION OF GEAR DID NOT LOCK AND THERE WERE NO GEAR LIGHTS AVAILABLE. GEAR LOCKS OKAY ON GROUND.SDR 95ZZZX4026Gen Control · defectivePILOTS REPORTED WHILE IN CRUISE FLIGHT, THE RT GEN OFF-LIGHT ILLUMINATED. ALSO, NOTED THE LT GEN VOLTAGE WAS FLUCTUATING UP TO 30 VOLTS. ATTEMPTS MADE TO BRING RT GEN BACK ON LINE, HOWEVER, IT WOULD NOT STAY ON. PILOTS ELECTED TO TURN RT GEN OFF AND CONTINUSDR 95ZZZX4023Contactor · defectivePILOTS REPORTED THE NR 1B HYDRAULIC PUMP CIRCUIT BREAKER TRIPPED AND COULD NOT BE RESET UNTIL NR 2 GENERATOR WAS TURNED OFF. TROUBLESHOOTING REVEALED A LARGE VOLTAGE DROP ACROSS ONE PHASE OF THE GENERATOR LINE CONTACTOR. THE NR 2 GENERATOR LINE CONTACTOR WASSDR JZBR9510606Wire · shortedUPON SHUT DOWN OF ENGINES, CREW EXPERIENCED SMOKE IN CLOSET AFT OF PILOT'S SEAT. SMOKE STOPPED AFTER BATTERIES WERE SHUT OFF. UPON INSPECTION, FOUND THE COMPOSITE BULKHEAD, JUST FORWARD OF M.E.D., WAS BURNED AT ATTACH BRACKET FOR CURTAIN TRACK. AFTER LOWERISDR HEEA955125Contactor · sticksCONTACTS ON TERMINALS 12 AND 13 STICK IN THE CLOSED POSITION. HELD AT PHI FOR CSR SIGNATURE.SDR 95ZZZX3128Wire · burnedALUMINUM BATTERY CABLE BECAME RESISTIVE CAUSING BATTERY TERMINAL CONNECTOR TO OVERHEAT AND MELT OFF OF G-35 BATTERY. COMPLIANCE WITH PIPER SB 836A WOULD HAVE PREVENTED THIS PROBLEM.SDR 95ZZZX3623Filter · missingUPON INSPECTION OF ALTERNATOR, RADIO NOISE FILTER FOUND MISSING. SUBMITTER SUGGESTS LARGER MOUNT LUG ALLOWING LARGER ATTACH NUT (HIGHER TORQUE).SDR 95ZZZM97Rccb · looseWHEN ACTIVATING LEFT RECIRCULATION FAN SWITCH TO ON, CIRCUIT BREAKER WOULD POP. INSPECTED AND FOUND ON RCCB LOOSE AND ELECTRICAL CONNECTOR HAD SLIGHT HEAT DISTRESS. RCCB AND CONNECTOR WAS REMOVED AND REPLACED, SYSTEM OPERATES NORMALLY. (M)SDR 95ZZZX6199Control · not installedFOLLOWING REBUILD, HELICOPTER WAS RETURNED TO SERVICE WITHOUT THE OVERVOLTAGE CONTROL INSTALLED. REGULATOR SPIKED AND COOKED RADIOS AND GYROS. CABIN FILLED WITH SMOKE. AIRCRAFT SUBSTANTIALLY DAMAGED IN SUBSEQUENT EMERGENCY LANDINGS. SUBMITTER RECOMMENDS INSDR HEEA954968Control Unit · inoperativeINOPERATIVE; GENERATOR WON'T COME ON LINE. REPLACED VR16 ZENER DIODE P/N 03-0065-10 ON CIRCUIT BOARD P/N 51509-363. BENCH CHECK GOOD.SDR HEEA954967Control Unit · inoperativeINOPERATIVE, GENERATOR WON'T COME ON LINE. REPLACED VR13, VR17 ZENER DIODES P/N 05-900964, VR16 ZENER DIODE P/N 03-0065-10 ON CIRCUIT BOARD P/N 51509-363. BENCH CHECK GOOD.SDR HEEA954962Control Unit · corrodedCORRODED. REPLACED J1 CONNECTOR P/N MS3470L20-16P, COVER P/N 51530-1055. BENCH CHECK GOOD.SDR 95ZZZY0967Relay · shortedSUSPECT RELAY HAS INTERNAL SHORT, UPON INSTALLATION UNIT POPS CIRCUIT BREAKER. REPLACED WITH NEW UNIT(S), CORRECTED PROBLEM.SDR 95ZZZX2619Solenoid · burnedDURING ANNUAL INSPECTION, OWNER COMMENTED ABOUT DIM OR FLICKERING LIGHTS AND INTERMITTENT INSTRUMENT FAILURE. DURING TROUBLESHOOTING PROCESS, A VOLTAGE DROP WAS FOUND ACROSS CONNECTION OF BATTERY CONTACTOR (24V IN AND 10 TO 12 OUT). CONTACTOR REMOVED AND CUTSDR 95ZZZX2830Wire · terminal looseWHILE PERFORMING A ROUTINE INSPECTION, FOUND WIRE TERMINAL ON WIRE NR PP19E6, ATTACHED TO TERMINAL NR 2 OF AUXILIARY BUS 'D' RELAY 51P, WAS NOT CRIMPED ON THE WIRE PROPERLY. THIS LEAD TO INCREASED RESISTANCE AT THIS CONNECTION WITH THE TERMINAL END AND APPROXSDR 95ZZZW698Dc Power Panel · open relayBOS - FLT NR 4736 - AFTER TAKEOFF THE RIGHT DC GENERATOR DROPPED OFF LINE AND WOULD NOT RESET. THE AIRCRAFT RETURNED TO BOS, LANDING UNEVENTFULLY. MX WAS DISPATCHED TO THE AIRCRAFT AND REPLACED THE LEFT DC POWER PANEL IAW THE BEECH MM AND RETURNED THE AIRCRASDR HEED9522Relay · faultyBATTERY RELAY AND BUSS INTERCONNECT LIGHTS ON AT SAME TIME, MUST BE RESET OFTEN. ORDERED NEW PART.SDR 95ZZZX2624Switch · loose terminalLOSE TERMINAL ON BACK OF SWITCH FOUND DURING ANNUAL INSPECTION. SUSPECT INCORRECT ASSEMBLY OR MISHANDLED PART. RECOMMEND INSPECTION EVERY 100 HOURS AND/OR ANNUAL INSPECTION(S). REPLACE PART IF NECESSARY.SDR UF6A950410Contactor · failedSBN - FLT 777 - THE NR ONE NON-ESSENTIAL BUSBAR TRIPPED OFF LINE. MAINTENANCE REPLACED THE NR 1 NON-ESSENTIAL CONTACTOR (PH-6). (Z)
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