JASC 2410
Service difficulty reports · 891
Reports filed under 2410 · Alternator-Generator Drive, 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 = '2410' 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 = '2410' 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 USAASB98119Drain Plug · leakingATL - FLT 1901 - THE NR 2 ENGINE CSD LOW OIL PRESSURE LIGHT ILLUMINATED INTERMITTENTLY DURING CRUISE ALTITUDE. SINCE THE APU WAS ALREADY ON MEL, DECISION WAS MADE TO TURN TOWARDS AN ALTERNATE AIRPORT. WHILE EN ROUTE TOWARDS ATL, THE CSD OIL PRESSURE WENT TO SDR AU981254Gear · failed(AUS) NR 1 CONSTANT SPEED DRIVE CLUSTER GEAR FAILED. NR 1 GENERATOR WAS THEN DRIVEN DIRECTLY FROM THE ACCESSORY GEARBOX PRODUCING AN OVER-FREQUENCY CONDITION. THIS CONDITION WOULD NORMALLY BE SENSED BY THE GCU P/N 700-1-22400-420, BUT DUE TO A FAULT OVER-FRESDR AU981225Gear · failed(AUS) NR 1 GENERATOR CONSTANT SPEED DRIVE (CSD) CLUSTER GEAR FAILED. THE GENERATOR WAS THEN DRIVEN DIRECTLY FROM THE ACCESSORY GEARBOX PRODUCING AN OVER-FREQUENCY OUTPUT. A FAULTY OVER-FREQUENCY CARD IN THE GENERATOR CONTROL UNIT (GCU) CAUSED THE GENERATOR TSDR USAAD98080Csd · overservicedPIT - FLT 336 - DURING CRUISE, THE NR 2 CSD LOW OIL PRESSURE LIGHT ILLUMINATED. THE APU WAS ON MEL AT THE TIME. THE ACFT RETURNED TO THE FIELD AND LANDED WITHOUT INCIDENT. MAINTNANCE FOUND THE NR 2 CSD OIL OVERSERVICED. THE OIL WAS DRAINED TO THE CORRECT LSDR DLM88980892Csd · failedON FINAL GOT L GEN OFF AND A/C X-TIE LOCKOUT. REPLACED LT CSD AND GEN PERF ELECTICAL SYS CHK, PER PFHB. CROSS TIE OPN NORMAL.SDR 9807199762Csd · inoperativeDURING FLIGHT, THE LEFT ENGINE DRIVEN GENERATOR SYSTEM BECAME INOPERATIVE. FLIGHT CREW FOLLOWED COM PROCEDURES. DIVERTED TO DTW AND LANDED WITHOUT INCIDENT. MAINTENANCE REPLACED THE LEFT ENGINE CONSTANT SPEED DRIVE UNIT AND THE LEFT ENGINE DRIVEN GENERATOR.SDR USAAD98059Csd · failedPIT - FL 992 - DURING CRUISE, THE LEFT GENERATOR FAILED WITH NO VOLTS OR FREQS. THE APU WAS ALREADY ON MEL. THE AIRCRAFT RETURNED TO THE FIELD AND LANDED WITHOUT INCIDENT. MAINTENANCE REPLACED THE LEFT CSD AND GENERATOR. (M)SDR SWAA980410Csd Seal · leakingDIVERTED TO MSY DUE TO INFLT SHUTDOWN OF NR 1 ENGINE, WHEN OIL PRESSURE DROPPED BELOW RED LINE, DUE TO CSD CARBON SEAL LEAKING. LANDED WITHOUT INCIDENT. REMOVED THE CSD FOR ENGINEERING EVALUATION OF THE GEARBOX. REPLACED NR 1 ENGINE CSD GARLOC SEAL AND RETASDR AU980429Bushing · loose(AUS) ALTERNATOR ATTACHMENT BUSHES VERY LOOSE AND EXCESSIVELY WORN.SDR 98ZZZX1287Drive · wornC/W SB 95-3A TCM ALT/GEN DRIVE INSPECTION. FOUND BOTH ALT ONE-PIECE DRIVES WORN. INSIDE BORE WORN OUT OF ROUND. WOODRUF KEY SLOT TWICE AS WIDE AS KEY. KEY NEARLY WORN IN TWO. FOUND WEAR STEP AND EVIDENCE OF FATIGUE CRACKING ON BOTH SHAFTS NEITHER SHAFT SESDR 98ZZZX1286Drive · wornC/W SB 95-3A TCM ALT/GEN DRIVE INSPECTION. FOUND BOTH ALT ONE-PIECE DRIVES WORN. INSIDE BORE WORN OUT OF ROUND. WOODRUF KEY SLOT TWICE AS WIDE AS KEY. KEY NEARLY WORN IN TWO. FOUND WEAR STEP AND EVIDENCE OF FATIGUE CRACKING ON BOTH SHAFTS NEITHER SHAFT SESDR USAASB98063Csd · out of adjustBOS - FLT 1683 - AT 5,000 FEET, THE NR 2 GENERATOR DROPPED OFF LINE. CAPTAIN HAD A BRAND NEW FIRST OFFICER ON BOARD AND WAS NOT CERTAIN ABOUT THE RELIABILITY OF THE APU. CAPTAIN ELECTED TO RETURN TO FIELD AT BOS AFTER STARTING APU AND PLACING APU'S GENERATORSDR 98FDEA00171Csd · failedAFTER TAKEOFF, NR 3 GENERATOR LOW OIL PRESS LIGHT CAME ON. FOLLOWED ALL STEPS IN RED TABS, CONSTANT SPEED DRIVE WOULD NOT DISCONNECT. AFTER THE 10TH TRY IT DISCONNECTED. CONSTANT SPEED DRIVE RISE WAS OUT OF LIMITS. CONSTANT SPEED DRIVE DID NOT DISCONNECT USDR 98UAL900108Csd · failedAPPROXIMATELY ONE HOUR PRIOR TO ARRIVAL AT HNL NR 4 ENGINE CSD OVER TEMPERATURE. PROCEDURES 733 AND 734 INEFFECTIVE IN DISCONNECTING THE CSD. SHUT DOWN NR 4 ENGINE. LANDED UNDER AMBER ALERT. *S/D* ROOT CAUSE CANNOT BE DETERMINED DUE TO EXTENSIVE DAMAGE TOSDR 98ZZZX1078Drive Coupling · failedSUBMITTER STATED ALTERNATOR DRIVE HAS NO TBO AND ON FAILURE OF THIS UNIT THE INTERNAL GEAR AND ENGINE OIL SUPPLY ARE FOULED WITH METAL AND DEBRIS WHICH COULD CAUSE A CATASTROPHIC ENGINE FAILURE. PART SHOULD HAVE LIFE-LIMIT. MEL SHOULD NOT ALLOW OPERATION WITSDR 9803449992Csd · low oilLEFT CSD OIL PRESSURE LOW LIGHT ILLUMINATED DURING TAKEOFF ROLL. TAKEOFF WAS ABORTED AT 70 KNOTS. MAINTENANCE FOUND CSD LOW ON OIL. RESERVICED AND REPLACED OIL FILTER.SDR 98ZZZX998Coupling · failedALTERNATOR FAILED WHEN GEAR WAS RETRACTED. GEAR LOWERED AND RETURNED TO FIELD. PILOT REPORTED ALTERNATOR CHANGED ABOUT 10 HOURS AGO AND REGULATOR CHANGED ABOUT 20 HOURS AGO FOR SAME PROBLEM. FOUND ALTERATOR DRIVE SHEARED. REF: SPECIAL AIRWORTHINESS BULLETSDR 9803126635Csd · failedDURING CRUISE, THE NR 1 ENGINE CONSTANT SPEED DRIVE OIL PRESSURE LIGHT ILLUMINATED. SHUT DOWN NR 1 ENGINE DUE TO AN UNSUCCESSFUL ATTEMPT TO DISCONNECT THE CONSTANT SPEED DRIVE. AIRCRAFT DIVERTED TO MNL AND LANDED WITHOUT INCIDENT. REPLACED THE NR 1 ENGINE CSDR CA980318026Control Unit · failed(CAN) DURING INSPECTION THE STARTER WOULD ENGAGE WITH THE BATTERY SWITCH ON BUT THE STARTER SWITCH IN THE NORMAL POSITION. ALTERNATOR CONTROL UNIT WAS FOUND TO BE STICKING. REPLACED.SDR MALA975995Csd · failedDURING CRUISE, THE NR 1 GENERATOR DRIVE HIGH TEMP ILLUMINATED. AIRCRAFT RETURNED TO MSP. MAINTENANCE REPLACED NR 1 ENGINE IDG/CSD ASSEMBLY. OPS AND LEAKS CHECKS GOOD.SDR TWAA9801303Csd · malfunctionedSTL - FLT 542 - LOW SPEED ABORT ELECTRICAL FLUCTUATIONS BETWEEN RT AND LT SYSTEMS. REPLACED LT ENGINE CSD. (M)SDR 98ZZZM201Csd · failedCLT - FLT 1754 - CLIMBING THROUGH 12,000 FT, THE LEFT GENERATOR BECAME INOPERATIVE. THE APU WAS ON MEL. THE AIRCRAFT RETURNED TO THE FIELD WITHOUT INCIDENT. MAINTENANCE REPLACED THE LEFT GENERATOR AND CSD. THE APU GENERATOR AND CONTROL UNIT WERE ALSO REPLASDR HALA9700315Csd · failedFLT 4 - HNL - ON CLIMB-OUT, AC BUS TIE NR 3 ISOL LIGHT CAME ON. CHECKED FREQ AT 392. NR 3 WOULD NOT PARALLEL. AIRCRAFT RETURNED TO HNL, WHERE A UNEVENTFUL LANDING WAS MADE. ADJUSTED CSD, FREQS TO 400HZ. GROUND RUN CHECKED NORMAL. (M)SDR AALA972291Csd · required serviceSCL - FLT 2101 - LEFT GENERATOR DRIVE LIGHT FLICKERS WITHOUT ANY OTHER INDICATIONS. SERVICED NR 1 ENGINE CSD TO PROPER LEVEL. RUN-UP ENGINE OK. AIRCRAFT OK FOR SERVICE. (X)SDR EIAA970209O-Ring · brokenFRK - AFTER 2.5 HOURS OF FLIGHT NR 1 ENGINE OIL QTY SHOWED A DROP OF APPROXIMATELY 1 QT PER 20 MINUTES OF FLT. ON APPROACH QTY DROPPED TO 2QT AND PRESSURE STARTED FLUCTUATING 45 PLUG/MINUS 5 PSI. NR 1 ENGINE WAS SHUT DOWN AND SECURED. TROUBLESHOT NR 1 ENGINSDR 97UAL900839Idg · failedLEFT GENERATOR DRIVE OFF LIGHT ON DURING DEPARTURE. RETURNED TO FIELD. *S/D* THE INTEGRATED DRIVE GENERATOR HAD INTERNAL PISTON FAILURE. REPLACED LEFT (NR 1) INTEGRATED DRIVE GENERATOR.SDR CA971216019Csd · failed(CAN) AIR TURNBACK DUE TO NR 2 CONSTANT SPEED DRIVE (CSD) FAILURE, APU WOULD NOT TAKE LOAD, CSD REPLACED AND THE AIRCRAFT WAS RETURNED TO SRVICE.SDR 97ZZZX4818Belt · failedAIRCRAFT ON IFR FLIGHT PLAN LOST ALL ELECTRICAL POWER. LANDED WITHOUT ACCIDENT. INSPECTION REVEALED THE ALTERNATOR IDLE PULLEY WHICH TENSIONS THE BELT WAS CHAFING ON A COWLING STIFFENER CAUSING THE BELT TO TEAR. THIS IS A NEW AIRCRAFT, TOTAL TIME, 159.8 HOUSDR 97UAL900803Csd · failedDURING FLIGHT, NR 1 ENGINE CSD OUT TEMP PEGGED FULL HOT. COULD NOT DISCONNECT CSD. SHUT DOWN NR 1 ENGINE AND DIVERTED TO DEN. *S/D* DISASSEMBLY OF THE CSD REVEALED THE UNIT HAD SEVERE HEAT DAMAGE. THE DISCONNECT SOLENOID WAS FOUND TO BE FUNCTIONAL. HOWEVSDR USAASB97294Csd · overservicedCLT - FL 2247 - EN ROUTE PIT TO MCO OVER CLT CLIMBING FROM FL 280 TO FL 310, CREW NOTICED THE NR 1 GENERATOR DRIVE OIL TEMP INDICATED HIGH IN THE 'IN' POSITION. FREQUENCY/VOLTS WERE NORMAL. AT FL 310, NR 1 GENERATOR DRIVE WENT OFF SCALE HIGH AND THE HIGH OILSDR USAAD97176Csd · failedPIT - FLT 355 - AFTER TAKEOFF, THE RIGHT GENERATOR FAILED. CREW COULD NOT RESET THE GENERATOR, NOR COULD THEY CROSS-TIE. FLIGHT RETURNED TO PIT AND LANDED WITH NO FURTHER INCIDENT. MAINTENANCE REPLACED THE RIGHT CSD. (M)SDR CA971015014Generator Drive · overheated(CAN) DURING CRUISE NR1 I.D.G. HAD AN OVERHEAT TEMPERATURE READING OF 189 DEGREES. I.D.G. DISCONNECTED AND AIRCRAFT RETURNED TO BASE. AS A PRECAUTIONARY MEASURE THE I.D.G. HEAT EXCHANGER AND GENERATOR CONTROL UNIT WERE REPLACED ALONG WITH THE I.D.G.SDR 97UAL900747Seal · failedFROM OGG TO LAX, CSD NR 3 OIL LOW PSI LIGHT CAME ON AT LIFT-OFF. CSD SHUT DOWN AND DIVERTED TO HNL. *S/D* CONSTANT SPEED DRIVE (CSD) UNIT FAILED BECAUSE OF LOW OIL. THE LEAK WAS CAUSED BY A BAD OUTPUT SEAL AND BAD INPUT SEAL. BOTH SEALS WERE REPLACED.SDR CA971014001Alternator · loose nut(CAN) REBUILT ELECTROSYSTEMS ALTERNATOR INSTALLED DUE TO A PREVIOUS ALTERNATOR PROBLEM. APPROXIMATELY 11 FLIGHT HOURS AFTER INSTALLATION THE PULLEY WORKED OFF THE ALTERNATOR SHAFT BREAKING THE BELT. THE PULLEY WAS ASSEMBLED ON THE ALTERNATOR AS AN OVERHAULED USDR CA970916015Csd · failed(CAN) ON GROUND CHECK PRIOR TO TAKEOFF THE NR1 ENGINE GENERATOR CAME OFF LINE AND COULD NOT BE RESET, SO CONSTANT SPEED UNIT/GENERATOR ASSEMBLY WAS DISCONNECTED AND FLIGHT WAS CARRIED OUT AS PLANNED. ON DISASSEMBLY, OF THE CONSTANT SPEED DRIVE (CSD), THE OIL LSDR CA970922016Csd · failed(CAN) CLIMBING THROUGH 8000 FEET, THE NR2 GENERATOR "HIGH OIL TEMPERATURE LIGHT" CAME ON. COMPLETED CHECK LIST AND SHUTDOWN CONSTANT SPEED DRIVE (CSD) AND STARTED APU. JUST LEVELING OFF AT 31,000 FEET WHEN APU "HIGH OIL TEMPERATURE" AND "LOW OIL PRESSURE" LIGHSDR SWAA970796Csd · reqd serviceIN FLIGHT, NR 2 ENGINE HAD A PERIOD OF UNRESPONSE WHEN NR 2 ENGINE GENERATOR TRIPPED OFF LINE. REMAINED OFF LINE UNTIL PASSING THROUGHT 10,000 FT, ENGINE RETURNED BACK TO SPEED. AIRCRAFT MADE AN UNEVENTFUL LANDING. INSPECTED AND SERVICED NR 2 CSD, GROUND OPSDR 97ZZZX4039Drive Bushing · distortedIN RESPONSE TO TCM SB 95-31 (ALT DRIVE), A CHECK OF WEAR HAS BEEN KEPT SINCE NEW. AT ZERO TIME, RADIAL TRAVEL OF ALTERNATOR FAN WAS ZERO TO .1250 INCH. AT 200 HOURS, FAN TRAVEL WAS .25 INCH TO .3750 INCH. AT 480 HOURS SINCE NEW, THE FAN TRAVEL WAS .75 INCH SDR 97ZZZX3746Belt · debondedAN ALTERNATOR DRIVE BELT PURCHASED FROM API PARTS INTERNATIONAL WAS RECEIVED IN A DE-BONDED CONDITION ALONG WITH A SECOND BELT WHICH WAS NORMAL. CURE DATE ON DEFECTIVE PART, 1Q96/3Q01.SDR 97ZZZX3541Drive Assy · failedALTERNATOR FAILED IN-FLIGHT. NORMAL LANDING MADE. ELECTRICALLY ALTERNATOR CHECKED OK. SAW ROTOR NOT MOVING WITH PROPELLER. REMOVED ALTERNATOR. ALTERNATOR DRIVE GEAR AND ALTERNATOR FACE DRIVE GEAR TEETH WORN AWAY. REMOVED DRIVE. PIECES OF BUSHING FELL OUSDR 9714159951Csd · malfunctionedAFTER TAKEOFF FROM DFW, LEFT CSD OIL PRESSURE ANNUNCIATOR CAME ON AND OIL TEMP PEGGED OFF SCALE. VOLTS INDICATED NORMAL BUT FREQUENCY READ VERY HIGH. CSD WOULD NOT DISCONNECT. PERFORMED PRECAUTIONARY ENGINE SHUTDOWN PROCEDURE. AIRCRAFT RETURNED TO DFW AND SDR DL72W971378Csd · failedON FINAL APPROACH NR 1 ENG DRIVEN GEN FAILED. AFTER LANDING NR 1 ENG FIRE WARNING ILLUMINATED AND BELL CAME ON. FIRE HANDLE WAS PULLED AND BOTH BOTTLES DISCHARGED. AFTER OPENING COWLING FOUND THE CSD AND GEN TO BE THE SOURCE OF IGNITION. REPLACED CSD AND GSDR 97ZZZX3325Bracket · crackedINSPECTION FOUND ALTERNATOR BRACKET HAD CRACKS THAT WENT THROUGH THE THICKNESS OF THE BRACKET. SUSPECT CAUSE COULD BE HOW PROCESS OF BRACKET IS MADE OR THE TYPE OF METAL BEING USED.SDR 97ZZZX3323Bracket · crackedINSPECTION FOUND CRACKS AT AFT HOLE IN WHICH THE ALTERNATOR BRACKET MOUNTS TO ENGINE AND WHERE THE THROUGH-BOLT HOLDS ALTERNATOR TO ENGINE. SUBMITTER SUSPECTS CAUSE, INFERIOR DESIGN OR METAL TYPE.SDR CA970626003Plug · leaking(CAN) ON TAKEOFF ROLL A FLICKERING WARNING LIGHT WAS OBSERVED. THE TAKEOFF WAS ABORTED. MAINTENANCE FOUND THE MAGNETIC PLUG ON THE #2 ENGINE CONSTANT SPEED SPEED DRIVE (CSD) WAS LEAKING. THE PLUG WAS REPLACED AND THE OIL SYSTEM SERVICED. AFTER THE ENGINE WAS GSDR SWAA970547Csd · low oilEN ROUTE, NR 1 CSD BECAME INOPERATIVE. ALSO, NOTED FLUID OVER TOP OF LEFT WING. AIRCRAFT DIVERTED TO ELP AND MADE AN UNEVENTFUL LANDING. SERVICED CSD, FUEL LEAK INSPECTED WITHIN M/M LIMITS.SDR AU970606Drive Hub · sheared(AUS) ALTERNATOR DRIVE HUB SHEAREDSDR USAASB97129Csd Drain Plug · brokenSAV - FL403 - THE NR 1 ENG CSD LOW PRESS LIGHT BEGAN TO BLANK AND THE FREQ WAS FLUCTUATING ERRATICALLY. ABNORMAL CHECKLIST WAS FOLLOWED, THE NR 1 ENG CSD WAS DISCONNECTED. THE APU WAS ON MEL AND WITH ONLY ONE POWER SOURCE, THE FLT DIVERTED TO SAV. FLT LANDESDR CA970529009Ac Genertor · failed(CAN) AIRCRAFT HAD AC CROSS-TIE, RIGHT HAND AC BUS, RIGHT HAND GENERATOR AND RIGHT HAND DC BUS OFF LIGHTS ANNUNCIATED. MAINTENANCE REPLACED RH CONSTANT SPEED DRIVE AND GENERATOR. GROUND RUN CARRIED OUT SYSTEM CHECKED SERVICEABLE.SDR CA970513017Arm · chafed(CAN) LOCKWIRE FOUND TO HAVE CHAFED THE ALTERNATOR ARM.
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