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.

SDR IBU2001F00000Bolt · shearedALTERNATOR CASE THIN BOLTS ARE SHEARING. BOLTS THAT RECOVERED FROM ENGINE COWLING, SHOWS SIGNS OF STRETCHING. BOLTS POSSIBLE OVER TORQUED FROM FACTORY.Nov 19, 2001 · N748CA · Cessna 421CSDR 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.Nov 11, 2001 · Pilats PC1245SDR AUS20011208Generator · failed(AUS) NR 2 GENERATOR STATOR RETAINING SCREW HEAD SHEARED.Nov 8, 2001 · Boeing 727277SDR 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.Oct 22, 2001 · Pilats PC1245SDR 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 AOct 5, 2001 · N2022 · Ryan ST3KRSDR PNSA011002Belt · failedEN ROUTE ALTERNATOR STOPPED CHARGING. RETURNED TO DLG WHERE MAINTENANCE REPLACED ALTERNATOR BELT.Sep 30, 2001 · N8402S · Piper PA32301SDR 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 CSep 20, 2001 · Dhav DHC8102SDR AUS20011026Alternator · failed(AUS) ALTERNATOR OUTPUT TERMINAL FRACTURED AND ADJACENT WIRING MELTED.Sep 17, 2001 · Cessna 172NSDR 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 CSep 17, 2001 · Pilats PC1245SDR 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 REMAINDSep 13, 2001 · Pilats PC1245SDR AUS20010963Seal · leaking(AUS) LT ENGINE DRIVEN ALTERNATOR DRIVE SEAL LEAKING. INVESTIGATION FOUND THAT THE SEAL WAS INCORRECTLY FITTED.Aug 28, 2001 · Cessna 402CSDR AUS20011088Brushes · worn(AUS) ALTERNATOR BRUSHES WORN PREMATURELY.Aug 22, 2001 · Cessna 172MSDR CA010831013Brushes · broken(CAN) - AIRCRAFT ALTERNATOR FAILED. - ALTERNATOR INTERIOR INSPECTION REVEALED A BROKEN BRUSH BLOCK ASSEMBLY CAUSED BY A INCORRECT INSTALLATIONAug 16, 2001 · Cessna 172RSDR 2001FA0000232Strut · crackedALTERNATOR FRONT ATTACHMENT STRUT FOUND CRACKED.Aug 16, 2001 · N318MC · Piper PA28R200SDR 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 WAug 11, 2001 · Cessna 305ASDR 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 WEAug 8, 2001 · Cessna 404CESSNASDR CA010831012Brushes · failed(CAN) - AIRCRAFT ALTERNATOR FAILED. - ALTERNATOR INTERIOR INSPECTION REVEALED A BROKEN BRUSH BLOCK ASSEMBLY CAUSED BY A INCORRECT INSTALLATION.Aug 2, 2001 · Cessna 172RSDR 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.Jul 24, 2001 · Pilats PC1245SDR 2001FA0000260Brushes · wornALTERNATOR BRUSHES WORN, BATTERY WEAK.Jul 21, 2001 · N42993 · Piper PA32301SDR AUS20010860Alternator · failed(AUS) ALTERNATOR ROTOR SHAFT WORN IN AREA OF FORWARD ARMATURE SLIPRING.Jul 13, 2001 · Cessna 404CESSNASDR 2001FA0000076Brushes · wornBRUSHES WORN TOTALLY OUT, ALLOWING SPRINGS AND WIRES TO DAMAGE ROTOR SLIP RINGS. POOR QUALITY BRUSHES NOT TO LAST LONGER.Jun 25, 2001 · N9627Q · Cessna 172MSDR 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 Jun 22, 2001 · Cessna 305ASDR 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 PREJun 22, 2001 · Cessna 305ASDR 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 PRJun 21, 2001 · Cessna 305CSDR 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 REJun 15, 2001 · Cessna 305ASDR 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 Jun 15, 2001 · Cessna 305CSDR 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. RETAININGJun 15, 2001 · Cessna 305CSDR 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 SPJun 14, 2001 · Cessna 305ASDR 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, EVIJun 13, 2001 · Cessna 305ASDR AUS20010645Bearing · failed(AUS) LH ALTERNATOR. INVESTIGATION FOUND REAR BEARING COLLAPSED CAUSING DRIVE ADAPTER FAILURE AND METAL CONTAMINATION OF THE ENGINE.Jun 12, 2001 · Cessna 421CSDR 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 NORMAJun 5, 2001 · Boeing 767375SDR PNSA010602Alternator · failedCLIMBING THROUGH 8000 FEET LT ALTERNATOR LIGHT ILLUMINATED. RETURNED TO BASE. REPLACED ALTERNATOR. OPERATIONAL CHECK OK.Jun 3, 2001 · N28KE · Piper PA31350SDR 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.May 28, 2001 · Pilats PC1245SDR CA010629029Brushes · worn(CAN) #2 GENERATOR FAIL LIGHT CAME ON DURING FLIGHT. AN INSPECTION OF THE BRUSHES SHOWED ONE TO HAVE SUFFERED SIGNS OF ARCING.May 18, 2001 · Pilats PC1245SDR 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 SMay 18, 2001 · Pilats PC1245SDR 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 BUSMay 16, 2001 · N297DC · Cessna 337GSDR 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.THEMay 11, 2001 · Pilats PC1245SDR 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). . .May 2, 2001 · Pilats PC1245SDR 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.Apr 28, 2001 · Pilats PC1245SDR 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 CHECKApr 26, 2001 · N991XJ · Saab SF340ASDR 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.Apr 20, 2001 · Cessna 210RSDR 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. PApr 18, 2001 · Pilats PC1245SDR 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 Apr 15, 2001 · N562SW · Emb EMB120ERSDR 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 Apr 12, 2001 · Pilats PC1245SDR 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 VERApr 12, 2001 · Pilats PC1245SDR 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 GOODApr 11, 2001 · N450XJ · Saab 340BSDR AU010294Generator · failed(AUS) APU GENERATOR FAILED.Apr 1, 2001 · Boeing 767338SDR AU010304Alternator · failed(AUS) ENGINE DRIVEN ALTERNATOR SUSPECT REAR BEARING FAILED. DAMAGE TO ENGINE CRANKSHAFT DRIVE GEAR.Mar 30, 2001 · Cessna 310RSDR AU010328Alternator · failed(AUS) RT ALTERNATOR DISINTEGRATED. SEVERE INTERNAL DAMAGE. SUSPECTCAUSED BY BEARING FAILURE.Mar 29, 2001 · Cessna 310RSDR 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-Mar 20, 2001 · N343EN · Dhav DHC8311
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