JASC 2434
Service difficulty reports · 849
Reports filed under 2434 · DC Generator-Alternator, 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 = '2434' 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 = '2434' 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 IBU2001F00000Bolt · shearedALTERNATOR CASE THIN BOLTS ARE SHEARING. BOLTS THAT RECOVERED FROM ENGINE COWLING, SHOWS SIGNS OF STRETCHING. BOLTS POSSIBLE OVER TORQUED FROM FACTORY.SDR CA011120001Brush Holder · worn(CAN) DURING A 100 HOUR INSPECTION, THE BRUSH ASSEMBLY WAS REMOVED TO VERIFY THE CONDITION. THE BRUSH ASSEMBLY WAS WORN EXCESSIVELY, AND HAS BEEN REPLACED.SDR AUS20011208Generator · failed(AUS) NR 2 GENERATOR STATOR RETAINING SCREW HEAD SHEARED.SDR CA011127009Drive Shaft · worn(CAN) WHILE CARRYING OUT REPLACEMENT OF GEN 2 DRIVE ASSY OUTER BEARING FOR 3000 HR REQUIREMENTS, IT WAS NOTED THAT THE DRIVE SHAFT WAS WORN AT THE BEARING JOURNAL AND THE BEARING WAS LOOSE ON THE SHAFT. THE DRIVE SHAFT HAD TO BE REPLACED.SDR 2001FA0000583Wire · missingNEW EXCHANGE ALTERNATOR SUPPLIED. ALTERNATOR OUTPUT OK. PANEL INOPERATIVE LIGHT STAYS ILLUMINATED. INSPECTION OF ALTERNATOR REVEALED MISSING LEAD WIRE FROM STATOR TO STATOR. ALT LIGHT TERMINAL ON ALTERNATOR. ALTERNATOR REQUIRES ADDITIONAL LEAD WIRE FOR ASDR PNSA011002Belt · failedEN ROUTE ALTERNATOR STOPPED CHARGING. RETURNED TO DLG WHERE MAINTENANCE REPLACED ALTERNATOR BELT.SDR CA011004007Starter Gen · failed(CAN) DURING THE TAKEOFF ROLL, THE NR 2 DC GENEERATOR CAUTION LIGHT ILLUMINATED INDICATING A GENERATOR FAILURE. THE FLIGHT CREW REJECTED THE TAKEOFF AND TAXIIED THE AIRCRAFT BACK TO THE GATE. MAINTENANCE REPLACED THE NR 2 DC STARTER/GENERATOR AND ALL FURTHER CSDR AUS20011026Alternator · failed(AUS) ALTERNATOR OUTPUT TERMINAL FRACTURED AND ADJACENT WIRING MELTED.SDR CA010917006Brushes · worn(CAN) NR 2 GENERATOR FAILED IN CRUISE FLIGHT. NR 2 GENERATOR WAS TURNED OFF, AND AIRCRAFT RETURNED TO BASE. INVESTIGATION REVEALED NR 2 GENERATOR BRUSHES WORN. NR 2 GENERATOR BRUSH HOLDER ASSEMBLY P/N 978.96.01.090 REPLACED WITH NEW, AIRCRAFT GROUND RUN AND CSDR CA010917001Brushes · worn(CAN) THE NR 2 GENERATOR CAUTION LIGHT ILLUMINATED ON CAWS PANEL. EIS INDICATED THAT NR 2 GENERATOR HAD COME OFF LINE.THE PILOT THEN RE-SELECTED GENERATOR SWITCH TO ON POS,&HAD SAME SEQUENCE OF EVENTS OCCUR AGAIN. NR 2 GENERATOR WE AS LEFT OFF LINE FOR REMAINDSDR AUS20010963Seal · leaking(AUS) LT ENGINE DRIVEN ALTERNATOR DRIVE SEAL LEAKING. INVESTIGATION FOUND THAT THE SEAL WAS INCORRECTLY FITTED.SDR AUS20011088Brushes · worn(AUS) ALTERNATOR BRUSHES WORN PREMATURELY.SDR CA010831013Brushes · broken(CAN) - AIRCRAFT ALTERNATOR FAILED. - ALTERNATOR INTERIOR INSPECTION REVEALED A BROKEN BRUSH BLOCK ASSEMBLY CAUSED BY A INCORRECT INSTALLATIONSDR 2001FA0000232Strut · crackedALTERNATOR FRONT ATTACHMENT STRUT FOUND CRACKED.SDR CA010821005Alternator · failed(CAN) ALTERNATOR WENT OFF LINE. UPON REMOVAL OF THE ALTERNATOR WAS NOTICED THAT THE SPLINE GEAR WAS SHEARED. THE DRIVE SHAFT WAS ALSO SHEARED IN THE THREADED PORTION, JUST BELOW THE CASTLE NUT. THE CASTLE NUT WAS STILL INTACT ON THE TIP OF THE THREADED SHAFT WSDR AUS20010856Alternator · failed(AUS) ALTERNATOR FAILED IN FLIGHT. INVESTIGATION FOUND THE ALTERNATOR HOUSING ASSEMBLY BOLTS LOOSE WITH TWO OF THE BOLTS HAVING COMPLETELY SEPARATED AND LAYING IN THE BOTTOM OF THE ENGINE COWL. REAR BEARING COLLAPSED. INCORRECT TAB WASHERS USED. TAB WASHERS WESDR CA010831012Brushes · failed(CAN) - AIRCRAFT ALTERNATOR FAILED. - ALTERNATOR INTERIOR INSPECTION REVEALED A BROKEN BRUSH BLOCK ASSEMBLY CAUSED BY A INCORRECT INSTALLATION.SDR CA010813018Brush Holder · worn(CAN) DURING A 100 HOUR INSPECTION, THE BRUSH ASSEMBLY WAS REMOVED TO VERIFY THE CONDITION. THE BRUSH ASSEMBLY WAS WORN EXCESSIVELY, AND HAS BEEN REPLACED.SDR 2001FA0000260Brushes · wornALTERNATOR BRUSHES WORN, BATTERY WEAK.SDR AUS20010860Alternator · failed(AUS) ALTERNATOR ROTOR SHAFT WORN IN AREA OF FORWARD ARMATURE SLIPRING.SDR 2001FA0000076Brushes · wornBRUSHES WORN TOTALLY OUT, ALLOWING SPRINGS AND WIRES TO DAMAGE ROTOR SLIP RINGS. POOR QUALITY BRUSHES NOT TO LAST LONGER.SDR CA010627044Alternator · failed(CAN) ALTERNATOR REMOVED FROM AIRCRAFT AFTER PILOT REPORTED NO INDICATION OF CHARGE AFTER HIS LAT LANDING. AFTER MAKING A FEW TESTS, IT WAS DETERMINED THAT THE ALTERNATOR WAS FAULTY. THIS OVERHAULED ALTERNATOR WS INSTALLED ON THE AIRCRAFT AS A REPLACEMENT FOR SDR CA010627042Alternator · failed(CAN) ALTERNATOR REMOVED FROM AIRCRAFT AFTER PILOT REPORTED NO INDICATION OF CHARGE AFTER HIS LAST LANDING. AFTER MAKING A FEW TEST, IT WAS DETERINED THAT THE ALTERNATOR WAS FAULTY. THIS NEW ALTERNATOR WAS INSTALLED ON THE AIRCRAFT AS A REPLACEMENT FOR THE PRESDR CA010627043Alternator · failed(CAN) ALTERNATOR REMOVED FROM AIRCRAFT AFTER PILOT REPORTED NO INDICATION OF CHARGE AFTER HIS LAST LANDING. AFTER MAKING A FEW TEST, IT WAS DETERMINED THAT THE ALTERNATOR WAS FAULTY. THIS NEW ALTERNATOR WAS INSTALLED ON THE AIRCRAFT AS A REPLACEMENT FOR THE PRSDR CA010703037Retainer · cracked(CAN) ALTERNATOR REMOVED FROM A/C ENGINE FOR INVESTIGATION AND TO SEE IF RETAINER CUP WAS DAMAGED. LOOKING AT THE ALTERNATOR SPLINE GEAR AND DRIVE SHAFT, EVIDENCE OF DAMAGES WERE FOUND. THE RETAINING CUP WAS CRACKED WHERE THE RUBBER BUSHINGS ARE SEATED. THE RESDR CA010703036Retainer · cracked(CAN) ALTERNATOR REMOVED FROM AIRCRAFT ENGINE FOR INVESTIGATION AND TO SEE F RETAINER CUP WAS DAMAGED. LOOKING AT THE ALTERNATOR SPLINE EAR AMD DRIVE SHAFT, EVIDENCE OF DAMAGES WERE FOUND. THE RETAINING CUPWAS CRACKED WHERE THE RUBBER BUSHINGS ARE SEATED. THE SDR CA010703035Retainer · broken(CAN) ALTERNATOR REMOVED FROM A/C ENGINE FOR INVEST. & TO SEE IF RETAINER CUP WS DAMAGED. SMALL PIECES OF METAL & RUBBER FELL OFF ACCESSORIES CASE UPON REMOVAL OF ALTNR. LOOKING AT ALTERNATOR SPLINE GEAR & DRIVE SHAFT, EVIDENCE OF DAMAGES WERE FOUND. RETAININGSDR CA010703038Retainer · failed(CAN) ALTERNATOR REMOVED FROM A/C ENGINE FOR INST ON A NEW ENGINE FOR THIS A/C. NO PILOT RPTED LOSS OF CHARGE BEFORE ENGINE WAS STOPPED FOR HIS TBO. SMALL PIECES OF METAL & RUBBER FELL OFF THE ACCESSORIES CASE UPON REMOVAL OF ALTNR. LOOKING CLOSELY TO ALTNR SPSDR CA010703039Retainer Cup · failed(CAN) ALTERNATOR REMOVED FROM A/C AFTER PILOT REPORTED NO INDICATION OF CHARGE AFTER HIS LAST LANDING. SMALL PIECES OF METAL AND RUBBER FELL OFF THE ACCESSORIES CASE UPON REMOVAL OF ALTERNATOR. LOOKING CLOSELY TO THE ALTERNATOR SPLINE GEAR AND DRIVE SHAFT, EVISDR AUS20010645Bearing · failed(AUS) LH ALTERNATOR. INVESTIGATION FOUND REAR BEARING COLLAPSED CAUSING DRIVE ADAPTER FAILURE AND METAL CONTAMINATION OF THE ENGINE.SDR CA010622010Generator · failed(CAN) F/O'S FMC FAILED, F/O'S ADI & HSI FLICKERED CONTINIOUSLY. AUTO THROTTLE DROPPED OFF. SINGLE FMC MESSAGE & RESYNCHING OTHER FMC MESSAGE ALL COME ON. WHEN THE RIGHT GENERATOR BREAKER WAS OPENED & THE APU GENERATOR WAS PUT ON LINE, ALL SYSTEMS OPERATE NORMASDR PNSA010602Alternator · failedCLIMBING THROUGH 8000 FEET LT ALTERNATOR LIGHT ILLUMINATED. RETURNED TO BASE. REPLACED ALTERNATOR. OPERATIONAL CHECK OK.SDR CA010629026Brushes · worn(CAN) DURING A 100 HOUR INSPECTION, THE BRUSH ASSEMBLY WAS REMOVED TO VERIFY THE CONDITION. THE BRUSH ASSEMBLY WAS WORN EXCESSIVELY AND HAS BEEN REPLACED.SDR CA010629029Brushes · worn(CAN) #2 GENERATOR FAIL LIGHT CAME ON DURING FLIGHT. AN INSPECTION OF THE BRUSHES SHOWED ONE TO HAVE SUFFERED SIGNS OF ARCING.SDR CA010629024Brushes · worn(CAN) THE NR 2 GEN CAUTION LIGHT ILLUMINATED ON CAWS PANEL. PILOT ALSO NOTED THAT A VERY LOUD SQUEALING SOUND COULD BE HEARD IN HEADSET. CAUTION LIGHT THEN ILLUMINATED & PILOT THEN SELECTED NR 2 GEN SWITCH TO OFF POS. GEN WAS THEN RE-SELECTED TO ON POS, WITH SSDR 20010605CW017Alternator · failedOWNER OF THIS AIRCRAFT EXPERIENCED FWD ENGINE ALTERNATOR FAILURE (AS INDICATOR BY FAILURE LIGHT) DURING FLIGHT. TECHNICIAN AND OWNER REMOVED ALTERNATOR FROM ENGINE AND DISCOVERED THE DRIVE SHAFT SHEARED. THE GEAR RETAINING BOLT HAD RUBBED INTERNALLY AND BUSSDR CA010629023Brushes · worn(CAN) THE NR 2 GENERATOR CAUTION LIGHT ILLUMINATED ON THE CAWS PANEL. THE PILOT NOTED THAT THE NR 2 GENERATOR OUTPUT WAS FLUCTUATING BETWEEN A 60AMP DISCHARGE AND A 20 AMP POSITIVE CHARGE. HE TURNED THE GENERATOR OFF, THEN RE-SELECTED IT TO THE ON POSITION.THESDR CA010530008Bracket · worn(CAN) GENERATOR 2 WAS REMOVED TO PERFORM A GENERATOR 2 DRIVE INSPECTION, AS THE UNIT WAS ON THE BENCH, IT WAS QUITE CONVENIENT TO INSPECT THE BRUSHES. THE BRUSHES WERE FOUND WITH EXCESSIVE WEAR GIVEN THE AMOUNT OF TIME SINCE INSTALLATION (71.0 HOURS). . .SDR CA010507022Brush Holder · worn(CAN) DURING A 100 HOUR INSPECTION, THE BRUSH ASSEMBLY WASREMOVED TO VERIFY THE CONDITION. THE BRUSH ASSEMBLY WAS WORN EXCESSIVELY, AND HAS BEEN REPLACED.SDR MALA010425Generator · failedON FLIGHT 3333 FROM MSP, LEFT DC GENERATOR FAILED, FOLLOWED QRH, RESET C/B, J3 AND J4 AS PER MX STILL INOP. AIR RETURN TO MSP. MAINTENANCE REPLACED LEFT DC GEN P/N 23080-031, S/N ON 6754, S/N OFF 99283. COMPLETED JOB CARD 243103. OPERATIONAL AND LEAK CHECKSDR CA010508006Alternator · failed(CAN) PILOT REPORTED 1 ALTERNATOR OFF LINE LIGHT CAME ON IN FLIGHT. FURTHER INVESTIGATION WHEN AIRCRAFT RETURNED TO BASE, REVEALED THAT THE PULLY/FAN AND RETAINING NUT HAD SEPARATED FROM THE ALTERNATOR.SDR CA010508005Brushes · worn(CAN) 1) NR 2 GENERATOR, S/N 100222, INSTALLED, 00-07-02 AT 3200.6 A/F HRS. 2) NR 2 GENERATOR, S/N 100222, FAILED, 00-12-20 AT 3468.1 A/F HRS. TTSO: 267.5 HRS., FAILURE DUE TO WORN BRUSHES. 3) NR 2 GENERATOR, S/N 100262, INSTALLED 00-12-20 AT 3468.1 A/F HRS. PSDR SWIA972533Generator · vibrationVIBRATION FELT FROM LEFT ENGINE DURING OPERATION. REMOVED AND REPLACED LEFT ENGINE HYD PUMP. (NO FIX). PUMP OPS CHECKS GOOD IAW 29-13-00. REMOVED AND REPLACED LEFT AUX GEN. VIBRATION FIXED, NO DEFECTS. OPS CHECKS GOOD. PUMP - P/N ON PV3-022-2A, S/N ON SDR CA010629031Brushes · worn(CAN) DUE TO PREMATURE WEAR OF NR 2 GEN BRUSHED PILATUS ISSD A S/B (S/B 24-016) TO ADDR ISSUE BY INTRODUCING A NEW LONGER WEARING BRUSH BLOCK ASSY WHICH IS FIELD REPLABLE. PRIOR TO THE S/B WE FOUND BRUSHES ON ORIGLY INST GEN S/N 100092 WITH .686.2 TAT HRS WAS SDR CA010508004Brushes · worn(CAN) DUE TO PREMATURE WEAR OF NR 2 GEN BRUSHES PILATUS ISSD A SB (SB 24-016) TO ADDR ISSUE BY INTRODUCING A NEW, LONGER WEARING BRUSH BLOCK ASSY WHICH IS FIELD REPLABLE.PRIOR TO THE SB, WE FOUND BRUSHES ON ORIGLY INST GEN S/N 100092 WITH 686.2 TAT HRS WAS VERSDR MALA010401Generator · failedRT GEN OVERTEMP AND RAMP PERSONNEL SHIGNALED SMOKE AND SPARKS FROM RIGHT SIDE ON FLIGHT 2747 OUT OF ATW. SHUTDOWN ENGINE. MAINTENANCE REPLACED RT DC GENERATOR PN 23020-031 SN/ON 4307 SN/OFF 98275. OPS CHECK GOODSDR AU010294Generator · failed(AUS) APU GENERATOR FAILED.SDR AU010304Alternator · failed(AUS) ENGINE DRIVEN ALTERNATOR SUSPECT REAR BEARING FAILED. DAMAGE TO ENGINE CRANKSHAFT DRIVE GEAR.SDR AU010328Alternator · failed(AUS) RT ALTERNATOR DISINTEGRATED. SEVERE INTERNAL DAMAGE. SUSPECTCAUSED BY BEARING FAILURE.SDR HNAA0100020Generator · failedAT 9000 FT, CREW REPORTED A LOUD EXPLOSION AND SIMULTANEOUSLY NR 1 DC GENERATOR DROPPED OFF LINE. NO VISIBLE LIGHTNING IN AREA AND LIGHT PRECIP ON RADAR. THE F/A REPORTED SEEING A BRIGHT FLASH AND LOUD BOOM IN THE ROW 2 AREA OF THE CABIN. CREW COMPLETED IN-
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