JASC 2435

Service difficulty reports · 2,052

Reports filed under 2435 · Starter-Generator, 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 = '2435'
  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 DALA2026081404663Starter Gen · burnedAPU KICKED OFF WHILE SITTING AT THE GATE, STRONG ODOR ( ELECTRICAL ODOR) BUT NO FAIL INDICATION OR APU LIGHTS. APU CONTINUED TO RUN BUT NO POWER. INSPECTED PER AMM 05-42. FOUND STARTER-GENERATOR CABLE COVER SEVERLY BURNING. REMOVED & REPLACED APU STARTER-GENAug 13, 2026 · N865DN · Boeing 737932ERSDR XU5A2026080600173Starter Gen · inoperativeTHE AIRCRAFT A LOSS OF LOAD INDICATION ON THE NR 2 GENERATOR FOLLOWED BY A BAT DISCHARGE CAUTION LIGHT. UPON INSPECTION OF THE AIRCRAFT IT WAS DETERMINED THAT THE NR 2 GENERATOR HAD FAILED IN A MANNER THAT ALSO CAUSED THE BUSS TIE SYS TO FUNCTION IMPROPERLY REAug 4, 2026 · N903SH · Bolkms BK117C2SDR EE0A202605310001Starter Gen · failedRT ENGINE FAILD TO RATATE ON START. REPLACED RT STARTER GENERATOR.May 31, 2026 · N631KA · Lear 31ASDR 2026FA0000229Brushes · wornFOUND ONE BRUSH ONLY OF FOUR, WORN TO METAL, CONTACTING ARMATURE. STARTER / GENERATOR, BELL P/N: 206-062-200-113, MFR P/N: 23081-018Mar 26, 2026 · N407WF · Bell 407SDR Q5QA20260206001Starter Gen · vibrationTHE PILOT NOTICED AN ENGINE VIBRATION ON DECENT INTO READING REGIONAL AIRPORT. THE #1 STARTER- GENERATOR PART NUMBER A 23085-025, SERIAL NUMBER Y0090 WAS FOUND TO BE THE CAUSE OF THE VIBRATION. THIS STARTER-GENERATOR WAS PREVIOUSLY OVERHAULED AND HAD BEEN IN SJan 30, 2026 · N119QD · Pilats PC1245SDR DALA2025123109544Starter Gen · odorAT GATE READY TO PUSH. STRONG FUME ODOR ON FLIGHT DECK. AFT FLIGHT ATT CALLED SAYING SMELL OF SMOKE IN AFT OF AIRPLANE. R & R APU STARTER/GEN IAW AMM 49-41-21. HARNESS ALSO REPLACED IAW SAME. PERFORMED SNIFFER TEST WITH EACH INDIVIDUAL PACK AND BLEED SOURCE ADec 30, 2025 · N921DU · Boeing 737932ERSDR DXTA2025122206164Starter Gen · damagedDURING ENGS START, APU DRAW REACHED 1100 AMPS MOMENTARILY & REMAINED ABOVE 700 FOR THE DURATION OF PROCESS WHILE BATTERIES BARELY CONTRIBUTED TO START. AFTER SEQUENCE FINISHED, ELECTRICAL SYNOPTIC SHOWED BOTH MAIN GENS GEN OFF & APU GEN OFF. EICAS PRESENTED Dec 17, 2025 · N639QS · Cessna 680ASDR QMLA2025112220115Starter Gen · faultedWHILE CONDUCTING STARTUP CHECKS AND UPON ENGINES REACHING IDLE, THE NR 1 GEN DISCON CAUTION LIGHT ILLUMINATED. REPLACED STARTER GEN.Nov 18, 2025 · N954AL · Urocop EC135T2SDR Q5QA20251106002Starter Gen · inoperativeTHE PC-12 AIRCRAFT WAS IN TRANSITION FROM KGNV (GAINESVILLE FL) TO KVDF (TAMPA FL) WHEN THE PILOT EXPERIENCED A FAILURE OF THE GENERATOR 1 BUSS, THE AIRCRAFT WENT INTO LOAD SHED, THE PILOT LANDED AT KVEF AND CONTACTED MAINTENANCE. THE MAINTENANCE TECHNICIAN FONov 6, 2025 · N636QD · Pilats PC1245SDR DXTA2025110305525Starter Gen · faultedGEN 1 OFF BUS YELLOW CAS IN FLIGHT WITH ASSOCIATED VIBRATION. RAN CHECKLIST AND EVENTUALLY SHUT DOWN LEFT ENGINE PER QRH. PERFORMED UNEVENTFUL ONE ENGINE INOPERATIVE LANDING AND SHUT DOWN OPERATING ENGINE. CORRECTIVE ACTION: REMOVED STARTER PN: 400SG180Q-6 SN Oct 31, 2025 · N417QS · Emb EMB505SDR 2025FA0000689Starter Gen · unserviceableTHE ENGINE DID NOT START. WE FOLLOWED STANDARD PROCEDURES AND CONTACTED THE DIRECTOR OF MAINTENANCE (DOM). AS A RESULT, THE FLIGHT HAS BEEN CANCELED. WE NOW NEED TO TROUBLESHOOT AND ISOLATE THE FAULT. CORRECTIVE ACTION IS BEING TAKEN UNDER WORK ORDER LC25-049Oct 7, 2025 · N997LM · Beech 2000SDR 2025FA0000677Brushes · faultedON 26 SEPT, DURING A PATIENT TRANSPORT FLIGHT, THE PILOT REPORTED CRITICALLY LOW VOLTAGE, ALL ELECTRONICS LOST AND MADE A PRECAUTIONARY LANDING WITHOUT FURTHER INCIDENT. BASE MECHANIC ARRIVED ON SCENE, CHECKED, & DETERMINED THAT BATTERY FAILURE WAS NOT AN ISSOct 2, 2025 · N822RU · Snias AS350B2SDR CALA2025091909049Starter Gen · faultedAPU DROPPED OFF LINE PUT THE GENERATORS OFF, BACK ON, THE APU BUSS STRONG SMOKE ODOR. R & R APU STARTER/GENERATOR IAW AMM TASK 49-41-21-400-801 UP TO STEP H,7. FOUND TERMINAL LUGS FOR WIRING HARNESS WITH BURN DAMAGE. ON INSPECTION OF TERMINAL LUGS, FEEDER Sep 17, 2025 · N17753 · Boeing 737724SDR QR9R2025082700001Starter Gen · fluctuatesIN FLIGHT #1 GEN READ 15-20 WHILE #2 READ 45-50. ON THE GROUND AT IDLE THEY WERE WITHIN 10. ONCE AVIONICS WERE OFF, #1 WENT TO -5. REMOVED AND REPLACED STARTER GENERATOR IAW AMM 24-30-00, 4-2.Aug 27, 2025 · Bolkms BK117C2SDR DXTA2025080604455Starter Gen · failedON FIRST LEG OF THE DAY, DURING DECENT GEN 1 OFF BUS CAS MESSAGE DISPLAYED. RAN APPROPRIATE QRH AND MESSAGE CLEARED. MESSAGE RETURNED TWO OTHER TIMES THROUGHOUT THE DAY CLEARING ALL TIMES AFTER RUNNING CHECKLIST. ON CLIMB OUT ON LAST LEG ELEC EMER RED CAS MESSAug 3, 2025 · N478QS · Emb EMB505SDR QR9R2025070300002Starter Gen · fluctuatesGEN AMPS SPLIT GREATER THAN 10 (GEN 1: 30; GEN 2: 50 AT FLIGHT). A TEST PILOT EVAL FOUND #2 GEN AMPS CLIMBED TO 70 AS #1 DROPPED TO ZERO DURING CLIMB OUT. AFTER DECLARING A PL AND RETURNING TO AIRFIELD THE AMPS RETURNED TO 35 EACH. ON SHUTDOWN #1 AMPS INDICATEJul 3, 2025 · Bolkms BK117C2SDR DXTA2025070304089Starter Gen · vibrationCONSISTENT RESONANCE VIBRATION IN YOKE FLIGHT CONTROLS WITH AUTO PILOT ON AND OFF IN FAIRLY STABLE AIR. NOTICEABLE IN MULTIPLE SPEEDS AND PITCH ANGLES. CORRECTIVE ACTION: VISUALLY EXAMINED ALL TRIM TABS AND CONTROL SURFACES AND GEAR DOORS (WELGHT ON WHEELS) FJun 29, 2025 · N564QS · Cessna 680ASDR CJPA202506250001Starter Gen · sheared(KDAL TO KAPA) AND THE FO WAS THE PILOT FLYING. THERE WERE NO PASSENGERS ONBOARD. AT CRUISE ALTITUDE (FL400) A R GEN LIGHT ILLUMINATED AND WE ACCOMPLISHED THE CHECKLIST. THE GENERATOR DID NOT RESET AND WE TURNED THE GENERATOR OFF. WE ALSO FELT A SLIGHT VIBRATIJun 22, 2025 · N787TS · Lear 60LEARSDR 2025FA0000405Starter Gen · malfunctionedDURING CLIMB OUT OF KELP AIRCRAFT EXPERIENCED DUAL GENERATOR FAILURE AND LOST COMMUNICATION WITH ATC. AFTER PILOT RESET GENERATORS, HE WAS ABLE TO REGAIN COMMUNICATION WITH ATC AND PROCEEDED TO LAND BACK AT KELP. PILOT DID NOT DECLARE AN EMERGENCY. ATC DECLAREJun 16, 2025 · N774LK · Beech 200CBEECHSDR 2025FA0000190Starter Gen · brokenWHILE PERFORMING STARTER GENERATOR BRUSH INSPECTION DISCOVERED BRUSH RETAINER SPRING BROKEN AND ARCED AGAINST STARTER GENERATOR CASEMar 14, 2025 · N8005T · Airtrc AT802ASDR CVGA20250317001Starter Gen · failedIN FLIGHT-RECEIVED R GEN TIE CASS MESSAGE -LOST RIGHT PILOT HEAT -LOST RIGHT PFD -LOST AUTOPILOT R GEN WOULD NOT RESET - REMOVED FAULTY RH ENGINE STARTER/GEN (P/N: 23085-001 S/N: P3529/CA) AND REPLACED WITH OVERHAULED STARTER/GEN (P/N: 23085-001 S/N: 2088/CA).Mar 13, 2025 · N828UP · Beech B300SDR 2025FA0000189Starter Gen · brokenWHILE PERFORMING STARTER GENERATOR BRUSH INSPECTION FOUND BRUSH RETAINER SPRING BROKEN AND SHEERED BRUSH LEAD CAUSING ARCING TO GENERATOR CASEMar 3, 2025 · N8035H · Airtrc AT802ASDR 4EZF20250215001Starter Gen · defectiveFLIGHT CREW PIREP: RIGHT ENGINE WOULD NOT START - AFTER TROUBLESHOOTING MAINTENANCE REPLACED THE RT STARTER GENERATOR & GCU. OPERATIONAL TEST PERFORMED OK FOR SERVICE.Feb 10, 2025 · N417XJ · Saab 340BSDR QMLA2025020620013O-Ring · leakingON POST FLIGHT INSPECTION OIL LEAK WAS DISCOVERED. TIGHTENED LOOSE LINE ON ACCESSORY GEARBOX, INSTALLED O-RING ON STARTER/GENERATOR DRIVE SPLINE.Feb 5, 2025 · N102HN · Urocop EC135P1SDR HEEA202412230001Starter Gen · inoperativeDURING CRUISE FLIGHT SYSTEM 1 & SYSTEM 2 BUS TIE OPEN CAUTION LIGHT ILLIMINATED. PERFORMED CHECKLIST PROCEDURE AND RETURNED TO BASE.Dec 18, 2024 · N343PH · Bolkms BK117A1SDR QR9R2024111200001Starter Gen · failedAFTER ADVANCING TWIST GRIPS TO FLIGHT, ENG 2 DC VOLTAGE SHOWED 28.2 FLICKERING TO 28.0. AFTER TURNING ON THE LANDING LIGHT, ENG2 DC VOLTAGE STABILZED AT 28.0. AVIONICS PERFORMED A GENERATOR RESET WITH NO EFFECT. TWIST GRIPS WERE ROTATED TO IDLE AND DC VOLTAGE Nov 12, 2024 · Bolkms BK117C2SDR QR9R2024100800007Starter Gen · faultyDURING RUN-UP, #2 VOLTAGE INDICATOR SPIKED TO 32V WITH RED UNDERLINE AND SINGLE WARNING GONG. ONLY RIGHT SIDE MASTER CAUTION INDICATION CAME ON. REMOVED AND REPLACED STARTER GENERATOR IAW AMM 24-30-00, 4-2. MOC OK IAW AMM 05-60-00, 6-12.Oct 8, 2024 · Bolkms BK117C2SDR QMLA2024100420129Starter Gen · faultedUPON CLIMB OUT, BATTERY DISCHARGE LIGHT ILLUMINATED AND SUBSEQUENT AUDIBLE ALARM, IT WENT OFF AND ON TWICE, OBSERVED VOLTAGE DROP AND SURGE, AS WELL AS CABIN LIGHT DIM AND BRIGHTEN AS WELL AS A HIGH PITCHED ELECTRICAL NOISE HEARD BY ALL 3 CREW MEMBERS. RETURNEOct 3, 2024 · N136KY · Urocop EC135P2SDR QR9R2024092400002Starter Gen · warning messageDURING #2 ENGINE START, #2 GEN DISCON CAUTION APPEARED RAPIDLY APPROXIMATELY 5-6 TIMES. AIRCRAFT START WAS ABORTED AND UPON SHUTDOWN AND POSTFLIGHT A STRONG ELECTRICAL BURNING ODOR WAS DETECTED. REMOVED AND REPLACED STARTER GENERATOR IAW AMM 24-30-00, 4-2.Sep 24, 2024 · Bolkms BK117C2SDR QR9R2024091900006Starter Gen · fluctuates#2 GENERATOR FLUCTUATES BETWEEN 0 AND 775 AMPS IN FLIGHT. DURING PREFLIGHT FOR MTF RECOVERY, FOUND #2 GENERATOR TO HAVE EVIDENCE OF OVERHEATING ON EXTERNAL CASING. ACTIVATED #2 VENT SWITCH AND OBSERVED SPARKS FROM THE CASE OF THE GENERATOR AND A SEVERE GRINDINSep 19, 2024 · Bolkms BK117C2SDR QMLA2024091920118Starter Gen · failedSTAR GEN FAILED ON APPROACH. WOULD NOT RESET.Sep 18, 2024 · N336AM · Urocop EC130B4SDR QR9R2024091000001Starter Gen · malfunctionedDURING FLIGHT, BATTERY DISCHARGE CAUTION ILLUMINATED INTERMITTENT, THEN CONSTANT WITH #2 GENERATOR AMPS FLUCTUATING FROM 55 TO -5. ONCE ON THE GROUND CAUTION REMAINED ON WITH #2 GENERATOR AMPS INDICATING -5. #1 GENERATOR HAD NORMAL OUTPUT INDICATING 40 AMPS. RSep 10, 2024 · Bolkms BK117C2SDR 2024F00242Starter Gen · failedROUGHLY 20-30 MINUTES INTO FLIGHT KBOI-KOGD, GEN 1 OFF AND N ESNTL BUS CAWS INDICATIONS ILLUMINATED. PILOT RAN QRH PROCEDURES BY RESETTING GEN 1, THEN PULLING THE STARTER CB AND RESETTING. NEITHER ACTION WAS SUCCESSFUL IN RE-ENGAGING GEN 1. AIRCRAFT IS EQUIPPEAug 31, 2024 · N499CB · Pilats PC1245SDR 2024F00241Starter Gen · failedROUGHLY 20-30 MINUTES INTO FLIGHT KBOI-KOGD, GEN 1 OFF AND N ESNTL BUS CAWS INDICATIONS ILLUMINATED. PILOT RAN QRH PROCEDURES BY RESETTING GEN 1, THEN PULLING THE STARTER CB AND RESETTING. NEITHER ACTION WAS SUCCESSFUL IN RE-ENGAGING GEN 1. AIRCRAFT IS EQUIPPEAug 31, 2024 · N499CB · Pilats PC1245SDR 2024F00240Starter Gen · failedROUGHLY 20-30 MINUTES INTO FLIGHT KBOI-KOGD, GEN 1 OFF AND N ESNTL BUS CAWS INDICATIONS ILLUMINATED. PILOT RAN QRH PROCEDURES BY RESETTING GEN 1, THEN PULLING THE STARTER CB AND RESETTING. NEITHER ACTION WAS SUCCESSFUL IN RE-ENGAGING GEN 1. AIRCRAFT IS EQUIPPEAug 31, 2024 · N499CB · Pilats PC1245SDR 2024FA0000624Starter · deterioratedSKYTECH STARTERS HAVE ALWAYS BEEN THE GO TO & BEST IN THE BUSINESS BUT IN THE LAST YEAR OR 2 THEY HAVE MASSIVELY GONE DOWN HILL. WE HAVE HAD 3 STARTERS ON DIFFERENT HELICOPTERS IN THE PAST 6 MONTHS RANDOMLY FAIL IN VARIOUS WAYS. ONE BEING WHAT WE BELIEVE TO BEAug 20, 2024 · N832AK · Robsin R44SDR AALA202408084006Contactor · faultyAIRCRAFT WAS GROUNDED: AN EMERGENCY WAS DECLARED AND THE AIRCRAFT DIVERTED TO TPA DUE TO THE FLIGHT CREW REPORTING THAT IN FLIGHT ELECTRICAL GENERATOR 1 FAULT ECAM ANNUNCIATED MULTIPLE TIMES. THE FLIGHT CREW ACCOMPLISHED ECAM AND GENERATOR 1 RESET. AFTER THE 3Aug 7, 2024 · N740UW · Airbus A319112SDR AALA202408083700Starter Gen · faultyAIRCRAFT WAS GROUNDED: EICAS MESSAGE ENG FUEL FILTER L. FOLLOWED BY STATUS MESSAGES: EN,G SCAV OIL FILT L, ENG HP OIL FILT L, ENG FUEL FILT L, ENG OPU L,, ENG TURB OVSP SYS L, ENG EEC C1 L. CREW DECIDED TO DIVERT TO JFK. MAINTENANCE REPLACED EEC AND DEDICATED Jul 31, 2024 · N768AA · Boeing 777223SDR DXTA2024072912471Starter Gen · failedDURING CLIMB DC EMER BUSCAS R ILLUMINATED AT APPROX 23000 FT. ALSO AMBER MESSAGES HYDRAULIC VOLUME LOW, ENGINE CONTROL FAULT R, FUEL MOTIVE VLV FAIL R, PUTCH/ROLL DISCONNECT AND DC GEN OFF R MESSAGES ILLUMINATED. REMOVED AND REPLACED R/H STARTER/GEN !WITH AN Jul 27, 2024 · N369QS · Cessna 680CESDR QR9R2024032100001Starter Gen · failed#2 GENERATOR FAILED IN FLIGHT. TEST FLIGHT EVALUATION REVEALED #2 GENERATOR WOULD NOT START AIRCRAFT (NO RISE OF N1 DURING START). REMOVED AND REPLACED STARTER GENERATOR IAW AMM 24-30-00, 4-2.Mar 21, 2024 · Bolkms BK117C2SDR 2024FA0000257Starter Gen · failed inspDURING VISUAL INSPECTION IT WAS NOTED THAT THE STARTER-GENERATOR BRUSHES WERE WORN TO NEAR 1/4 LIFE REMAINING MARKS. UPON REVIEWING THE HISTORY ON THIS STARTER-GENERATOR IT WAS DISCOVERED THAT THE COMPONENT HAD ACCRUED 362.8 HOURS SINCE OVERHAUL. THIS STARTER-Mar 15, 2024 · N739S · Pilats PC1247SDR QR9R2024020800001Starter Gen · warning lightTOOK 3 ATTEMPTS TO START ENGINE #2. WHILE CONTINUING THROUGH THE RUN-UP, ENGINE 2 GEN DISC CAME ON AND WOULD NOT EXTINGUISH. REMOVED AND REPLACED STARTER GENERATOR IAW AMM 24-30-00, 4-2. MOC SUCCESSFULLY COMPLETED.Feb 8, 2024 · Bolkms BK117C2SDR Q5QA20240202002Starter Gen · failedAIRCRAFT N465QD MSN:465 FAILED TO START AT MEM INTERNATIONAL AIRPORT. THE #1 STARTER- GENERATOR PART NUMBER A 23085-029, SERIAL NUMBER P1043 WAS FOUND TO BE FAILED DUE TO THE GENERATOR BRUSH ASSEMBLY BROKE IN THE HOUSING SHORTING THE STARTER-GENERATOR. THIS STFeb 2, 2024 · N465QD · Pilats PC1245SDR DXTA2024020210786Seal · failedDESCENDING IN TO DALLAS WE GOT A GEN 1 OFF CAS ALONG WITH A VIBRATION. WE RAN THE CHECKLIST AND CONFIRMED A GEN 1 FAILURE AND THEN WE SHUTDOWN THE ENGINE PER THE CHECKLIST DUE TO THE VIBRATION. REMOVED NR 1 ENG STARTER GEN. FOUND BEARING IN STARTER GEN TO BE Feb 1, 2024 · N453QS · Emb EMB505SDR 2024F00041Starter Gen · failedDURING ENGINE START, STARTER-GENERATOR FAILED. STARTER-GENERATOR HAD 675.4 HOURS TSO. BRUSHES WERE FOUND TO BE WORN TO LIMITS (PREMATURE FAILURE). OVERHAUL WAS PERFORMED BY AMETEK B&S, CRS NE2R028L, ON WORK ORDER BGN111474 DATED 03NOVEMBER2023.Jan 25, 2024 · N739S · Pilats PC1247SDR 2023FA0000838Starter Gen · failedWHEN STARTING LEFT ENGINE AND BRINGING LEFT GENERATOR ON LINE IT WOULD NOT COME ON LINE. I CHECKED TO MAKE SURE IGNITION STARTER WAS OFF AND IT WAS. I SHUT DOWN THE ENGINE AND 30 SECONDS LATER SMOKE WAS POURING OUT OF THE LEFT COWLING. WE SMELLED ELECTRICAL BUDec 18, 2023 · N826UP · Beech B300SDR 2023FA0000505Starter Gen · failedRIGHT ENGINE STARTER/GENERATOR FAILED IN FLIGHT WITH NO INDICATION OF FAILURE. RESULTS OF THE INDICATION FAILURE RESULTED IN MAIN BATTERIES AND EMERGENCY BATTERY DISCHARGE, COUPLED WITH FAILURE TO PROPERLY LOAD SHED. THESE SEVERAL INSTANCES RESULTED IN LOSS OFSep 1, 2023 · N842MB · Lear 45LEARSDR QR9R2023081400004Starter Gen · failed#2 GENERATOR FAILED ON GROUND. A TEST FLIGHT EVAL DETECTED NO RISE IN N1 WHEN TRYING TO START #2 ENGINE. REMOVED AND REPLACED #2 STARTER GENERATOR IAW AMM 24-30-00, 4-2.Aug 14, 2023 · Bolkms BK117C2SDR QR9R2023081400003Starter Gen · failedDURING RUN-UP, THE #1 AND #2 GENERATOR HAD A GREATER THAN 10 AMP DIFFERENCE. AVIONICS TROUBLESHOT AND THE #2 GENERATOR WOULD NOT PICK UP THE LOAD WHEN THE #1 GENERATOR WAS TURNED OFF. REMOVED AND REPLACED #2 STARTER GENERATOR IAW 24-30-00, 4-2. T/F COMPLETED OAug 14, 2023 · Bolkms BK117C2SDR YQKA202308090001Starter Gen · misoverhauledSTARTER/GENERATOR ORDERED AND RECEIVED. UPON INSPECTION OF STARTER/ GENERATOR IT WAS FOUND THAT ONE OF THE FOUR BRUSH TERMINALS WAS LOOSE AND NOT MAKING PROPER CONTACT. FURTHER TROUBLE SHOOTING NOTED THAT THE MOUNTING SCREW WAS TIGHT BUT THE BRUSH HOLDER ATTAug 10, 2023 · N917E · Beech 400A
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