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 RAIA201202230001Generator · malfunctionedDURING PREFLIGHT INSPECTION THE FLIGHT CREW REPORTED THE APU GENERATOR WENT OFF LINE AND THEN THEY SMELLED SMOKE AND BURNT WIRES. MAINTENANCE INSPECTED THE APU AND FOUND NO EVIDENCE OF BURNT WIRING OR SMOKE. DEFERRED APU GENERATOR PER MEL 24-34-01-2.Feb 23, 2012 · N833HK · Emb EMB145LRSDR 2012FA0000205Key · shearedWOODRUFF KEY ON THE ALTERNATOR SHAFT SHEARED LEAVING THE CLUTCH FREE SPOOLING, FREE SPOOLING ON THE ALTERNATOR SHAFT DAMAGING THE ALTERNATOR RING GEAR PN 632018. ALTERNATOR CLUTCH RETAINING NUT AND COTTER PIN REMAINED STILLIN PLACE ON THE SHAFT. THE KEYWAYFeb 20, 2012 · N1849P · Beech F33ASDR BSYA2012010Alternator · inoperativeAFTER TAKE OFF FROM CYOW, PILOT EXPERIANCED RIGHT ALTERNATOR FAILURE.PILOT RETURNED TO CYOW AND LANDED SAFELY WITHOUT INCIDENT.MAINTENANCE REPLACED RIGHT ALTERNATOR, OPERATIONALY CHECK NORMAL, NO OTHER DEFECTS NOTED.Feb 17, 2012 · N40919 · Piper PA31350SDR 2012FA0000157Bolt · looseDURING TROUBLESHOOTING FOR ALTERNATOR NOISE, INSPECTED ALTERNATOR AND FOUND BOLT LOOSE INSIDE ALTERNATOR CASE. REMOVED ALTERNATOR AND DISASSEMBLED, FOUND DIODE RECTIFIER BRIDGE BOLT HAD BACKED OUT AND HAD CONTACTED THE ROTOR, BENDING THE BOLT AND ELONGATING TFeb 16, 2012 · N232MT · Cessna TU206GSDR CA120215004Bracket · broken(CAN) ALTERNATOR BRACKET FOUND BROKEN ON ENGINE UNSCHEDULED INSPECTION. NEW REPLACEMENT BRACKET NR 07A-21443 INSTALLED. REPLACEMENT PART SUPPLIED BY MFG DISTRIBUTOR AS REPLACEMENT FOR NR 76906.Feb 6, 2012 · Cessna 172MSDR 2012FA0000119Bearing · failedTHE BEARINGS IN THE ALTERNATOR FAILED CAUSING THE ALTERNATOR TO BE EXCESSIVELY NOISY. THE ALTERNATOR WILL BE SENT BACK TO MFG FOR TEARDOWN AND FURTHER EVALUATION. (STC-00541SE PROVIDED)Feb 6, 2012 · N1052V · Piper PA46350PSDR CA120215001Bracket · cracked(CAN) DURING ROUTINE INSPECTION, NOTED THAT THE ALTERNATOR ADJUST BRACKET WAS CRACKED, BUT STILL HOLDING. UPON DISASSEMBLY THE BRACKET WAS FOUND COMPLETELY BROKEN. NEW BRACKET INSTALLED.Feb 2, 2012 · Diamon DA20C1SDR UALA2012010600144Rectifier · failedWHILE TROUBLESHOOTING ESS TRANSFORMER RECTIFIER, NR 1 TRANSFORMER RECTIFIER SHOWED LOW AMPS ON ELECTRIC PAGE. REPLACED NR 1 TRANSFORMER RECTIFIER PER MM. ENCOUNTERED ESS TRANSFORMER RECTIFIER FAULT AFTER EMERGENCY GENERATION CHECK. REPLACED ESS TRANSFORMER Jan 5, 2012 · N805UA · Airbus A319131SDR BSYA2011037Terminal · brokenAFTER DEPARTING ALL LIGHTING GOT VERY DIM, RETURNED, WHILE TAXIING IN THE LEFT ALTERNATOR FAIL LIGHT CAME ON, CYCLED MASTER SWITCH OFF THEN ON AND BOTH ALTERNATORS CAME BACK ON. MAINTENANCE FOUND A+ TERMINAL ON RIGHT ALTERNATOR BROKEN AND A LOOSE F2 TERMINAL Dec 16, 2011 · N22427 · Piper PA31350SDR 2011FA0000754Wire · damagedDURING DISASSEMBLY OF THE GENERATOR, ON THE START CONTACTOR REPAIR EVALUATION, FOUND THE 2 RED WIRES CONNECTING THE FRONT AUXILLIARY SWITCH TO TERMINAL POSTS 13 AND 14 HAD BLACK SHRINK TUBING INSTALLED. WHEN THE SHRINK TUBING WAS REMOVED FOR INSPECTION, THE CNov 2, 2011SDR CA111101006Alternator · unserviceable(CAN) BATTERY DISCHARGE NOTED DURING FLIGHT. ALTERNATOR FOUND U/S AND REPLACED.Oct 27, 2011 · Cessna A185ESDR CA111104003Alternator · inoperative(CAN) PILOT NOTED DISCHARGE INDICATION ON AMMETER AS WELL AS LOW VOLTAGE WARNING LIGHT. CONFIRMED ALTERNATOR HAD LOW VOLTAGE OUTPUT. ALTERNATOR REPLACED.Oct 25, 2011 · Cessna 172RSDR 2011FA0000582Gear · shearedPILOT REPORTED IN FLIGHT LOSS OF ALTERNATOR. ACFT LANDED W/O INCIDENT. INVESTIGATION REVEALED ALTERNATOR DRIVE CLUTCH GEAR. MISSING DAMPNER MATERIAL AND ALTERNATOR SHAFT BROKEN AT END OF ARMATURE. CUT OIL FILTER OPEN, FOUND TO BE FULL OF STEEL FILINGS. ALAug 12, 2011 · N71544 · Cessna 421BSDR 2011FA0000543Alternator · failedALTERNATOR COOLING FAN CAME APART IN FLIGHT AFTER TAKEOFF. PART OF COOLING FAN PUNCHED A HOLE IN INDUCTION AIR BOX DOWN STREAM OF AIR FILTER AND THE ALTERNATOR BELT CAME LOOSE IN THE ENGINE COMPARTMENT. LOSS OF ENGINE POWER FROM ENGINE FOD DAMAGE RESULTED INAug 11, 2011 · N732VU · Cessna 210MSDR 2011FA0000671Alternator · looseALTERNATOR CASE BOLTS WORKED LOOSE, SAFETY WIRE BROKEN. CATASTROPHIC FAILURE AT 152 HRS SINCE O/H. THE ORIGINAL MFG HISTORICALLY LAST MUCH LONGER. ADVISE SELF LOCKING BOLTS AND LOCK TABS AS THE ORIGINAL, AND EXTREME CLEANING OF MATING SURFACES PRIOR TO ASSYAug 7, 2011 · N4521A · Amrgen AA5BSDR TRBA201121001Generator · inoperativeTHE CREW REPORTED THAT DURING CRUISE THE DC GENERATOR, NR 1 WENT OFF LINE, NO RESET, BTW WOULD NOT ENTER. THE CREW ELECTED TO MAKE AN UNSCHEDULED LANDING. THE ACFT WAS REMOVED FROM SERVICE. R & R HALL EFFECT SENSOR 3PU IAW JIC 24-00-00. R & R DC BTC CONTAJul 28, 2011 · N410AT · Aerosp ATR72212SDR NSVA2011150Generator · failedRIGHT DC GEN LIGHT ILLUMINATED JUST AFTER CLIMB TO FL135. NO EMERGENCY DECLARED. FLIGHT RETURNED TO IAH. REPLACED RIGHT DC GENERATOR.Jul 1, 2011 · N352CJ · Saab 340BSDR 2011FA0000431Alternator · failedCOMPLETE ELECTRICAL FAILURE IN CRUISE WITHOUT ANY INDICATION OR WARNING. PROBLEM TRACED TO FAULTY ALTERNATOR.Jun 16, 2011 · N4577 · Cessna 172SSDR CA110616009Alternator · failedALTERNATOR WARNING LIGHT CAME ON IN FLIGHT. ALTERNATOR REPLACED.Jun 6, 2011 · Robsin R44RAVENIISDR 2011FA0000405Rotor · openALTERNATOR ROTOR OHM CHECK INFINITE.Jun 2, 2011 · N60WB · Beech A36TCSDR CHQA201100150Generator · failedFLIGHT CREW REPORTED A GENERATOR FOUR BEARING FAIL MESSAGE DURING CLIMBOUT WHILE GENERATOR 2 WAS ON MEL. THE AIRCRAFT RETURNED TO FIELD AND LANDED WITHOUT INCIDENT. THE NUMBER FOUR GENERATOR WAS REPLACED WITH NO FURTHER DEFECTS NOTED.Apr 24, 2011 · N378SK · Emb EMB135KLSDR CA110209030Alternator · inoperativeDURING FLIGHT, THE GPS THEN THE RADIOS CUT OUT. THE PILOT LANDED SAFELY FOLLOWING PROCEDURES. MX DISCOVERED THAT THE ALTERNATOR OUTER CASE HAD SEPERATED FROM THE ALTERNATOR BODY CAUSING THE CHARGING SYS TO BE INOPERATIVE THUS THE BATTERY WAS DEPLETED AND THEFeb 8, 2011 · Cessna R172KSDR HNAA2011021500017Generator · failedSUSPECTED LIGHTNING STRIKE LOST NR 1 AND NR 2 DC GENERATORS. IAW MX CONTROL, SUBSEQUENCE RESET AND RUN INDICATES GENERATORS OPERATE NORMAL.Jan 26, 2011 · N343EN · Dhav DHC8103SDR BSYA2010052Alternator · failedAFTER TAKEOFF OUT OF LZU THE LEFT ALTERNATOR LIGHT CAME ON, PILOT THEN RETURNED TO LZU. MAINTENANCE REMOVED AND REPLACED ALTERNATOR OPS CHECKED GOOD.Dec 30, 2010 · N36673 · Beech 58SDR CA101130006Alternator · failedON FLIGHT 8703 , AIRCRAFT WAS STRUCK BY LIGHTNING, HOWEVER NO INSTRUMENTS WERE LOST. THE CREW WAS THEN INFORMED THAT THE WINDS WERE GUSTING TO 40 KTS AND THEY ELECTED TO GO AROUND AND TRY ANOTHER APPROACH. IN THE GO AROUND THEY WERE AGAIN STRUCK BY LIGHTNING Nov 20, 2010 · Dhav DHC8102SDR CA101116019Alternator · malfunctionedAMMETER SHOWING DISCHARGE IN FLIGHT. ALTERNATOR REPLACED.Oct 29, 2010 · Cessna 177BSDR NSVA2010199Generator · failedCLIMBING THROUGH 5000 FT RIGHT DC GENERATOR FAIL RAN THE QRH RESET NO FIX RETURN BACK TO BOS. REPLACED RIGHT DC GENERATOR.Oct 26, 2010 · N249CJ · Saab 340BSDR 2010FA0001155Nut · missingTHIS ALTERNATOR, O/H WAS INSTALLED. TEST RUN-UP SHOWED NORMAL OPERATION. CHARGING SYS PROBLEMS WERE ENCOUNTERED AGAIN ON THE NEXT FLIGHT. UPON LANDING IT WAS DISCOVERED THAT THE HEX NUT ON THE ROTOR SHAFT WAS MISSING, INDICATING IMPROPER TORQUE AT UNIT O/H.Sep 20, 2010 · N5YBLG · Cessna 210MSDR CA100902002Starter Gen · failedGENERATOR FAILURE ON CLIMBOUT. STARTER GENERATOR REPLACED WITH O/H UNIT. ACFT GROUND RUN, DC GENERATION FUNCTION CHECK CARRIED OUT SERVICEABLE IAW MM 80-10-00.Sep 2, 2010 · Cessna 208BSDR NSVA2010146Generator · malfunctionedCREW CALLED IAH OPS IN RANGE TO REPORT GENERATOR OVER TEMP WARNING LIGHT. CREW COMPLIED WITH CHECKLIST AND APPROACHED IAH AIRPORT. DURING LANDING PHASE, F/A NOTIFIED CAPT THAT A PASSENGER (PREGNANT) WAS FEELING ILL AND WAS VOMITING. CAPT CALLED FOR MEDICAL Aug 30, 2010 · N339CJ · Saab 340BSDR 2010FA0000900Brush Block · damagedPILOT REPORTED ALTERNATOR STOPPED CHARGING. UPON INSP OF ALTERNATOR, IT WAS NOTED THAT BOTH BRUSHES WERE RIPPED OUT OF THE BRUSH BLOCK AND WERE FOUND IN THE ALTERNATOR.Aug 17, 2010 · N315CM · Cirrus SR22SDR NSVA2010132Generator · failedRETURNED TO FIELD DUE TO DC GENERATOR FAILED. R & R NR1 DC GEN AND DC GCU, OPS CHECK GOOD.Aug 9, 2010 · N191MJ · Saab 340BSDR NSVA2010130Generator · malfunctionedDURING CLIMB, AT APROX 14,000 FT CREW NOTICED GEN LIGHT ILLUMINATE. CREW COMPLIED WITH CHECKLIST AND AFTER CONFERRING WITH DISPATCHER, RETURNED TO EWR. CREW DID NOT DECLARE EMERGENCY BUT EWR TOWER DISPATCHED EMERGENCY EQUIPMENT. THE FLIGHT LANDED WITHOUT INJul 28, 2010 · N209WQ · Bombdr DHC8402SDR 2010FA0000719Stator · failedSTATOR POST ON ALTERNATOR FELL OUT IN FLIGHT, ALTERNATOR FAILED AFTER 44 HOURS SINCE O/H.Jul 10, 2010 · N6638N · Cessna T210NSDR CA100621017Bearing · failedACFT PULLED OUT OF HANGAR FOR MORNING FLIGHT, WOULD NOT START - BATTERY DEAD. AME REMOVED BATTERY FOR CHARGING. CHECKED ELEC SYS, FOUND THAT THE ALTERNATOR BELT HAD FLIPPED OVER ON THE RING GEAR AND WHEN PROP WAS MOVED, ALTERNATOR PULLEY DID NOT MOVE. ALTERJun 20, 2010 · Cessna 172NSDR CHQA201000125O-Ring · missingDURING CRUISE FLIGHT, THE FIRST OFFICER NOTICED OIL PRESSURE IN E2 WAS DECREASING. THE CAPTAIN CHECKED THE OIL QUANTITY PAGE AND EICAS REGISTERED ONLY 4QTS OF OIL IN E2. THE CREW THEN SHUT DOWN E2 FOLLOWING ALL APPROPRIATE QRH ITEMS AND DIVERTED TO CVG WHEREJun 15, 2010 · N265SK · Emb EMB145LRSDR CA100618001Control Unit · shortedCYCLED THE ALT SWITCH WHICH CAUSED A VOLTAGE SPIKE AND SHORTED OUT THE ACU, ANNUNCIATOR PANEL AND OIL AND TEMP SWITCH.Jun 14, 2010 · Cessna 172RSDR CA100618003Retainer · cracked(CAN) ON SPECIAL INSPECTION, THE ALTERNATOR DRIVE RETAINER WAS FOUND CRACKED NR 668-2 AND BOTH DRIVE BUSHINGS NR 626543 WERE FOUND TO BE UNSERVICEABLE.Jun 3, 2010 · Dhav DHC2MKISDR 2010FA0000515Rotor Shaft · shearedALTERNATOR FAILED IN FLIGHT. THIS IS THE 3RD FAILURE IN LESS THAN 100 HRS (18HRS, 17HRS, & 36HRS) THE PREVIOUS (2) WERE REPLACED UNDER WARRANTY. ALL (3) HAVE HAD IDENTICAL ROTOR SHAFT TORSIONAL FAILURE JUST INTERNAL TO THE ALTERNATOR BETWEEN THE FAN AND THE INMay 28, 2010 · N7AS · Beech 35C33ASDR CA100811006Alternator · failedSUSPECTED NOISE ON INITIAL CLIMB-OUT. AMMETER CHARGE LOST (-). BACK ON GROUND FOLLOWING THE LANDING CIRCUIT.May 27, 2010 · Beech B19SDR YD5R2010F00101Brushes · wornALTERNATOR WAS WORKING AT TIME OF REMOVAL FOR OTHER DISCREPANCY ((YD5R)) (LEAKING SEAL). BRUSH HSG WAS REMOVED TO CHECK CONDITION DUE TO TIME ON COMPONENT. UPON REMOVAL (SEVERAL PIECES OF THE BRUSH ASSEMBLIES FELL OUT OF HOLDER. BOTH CARBON BLOCKS WERE WORNMay 6, 2010 · N462SR · Cirrus SR22SDR CA100805003Volt Regulator · unserviceableSUSPECT THE VOLT CONTROL WENT U/S AND ALLOWED THE FULL VOLT CARGO OF THE ALTERNATOR TO OVERCHARGE THE SYS SHORTING OUT THE MAIN ALTERNATOR C/B CAUSING SMOKE IN THE COCKPIT.May 1, 2010 · Cessna 172PSDR YD5R2010F00102Brush Holder · damaged23-80.001 COMMUNICATIONS DISC EXCESS STATIC IN HEADSET INTERMITTNETLY ((YD5R)) INTERFERES WITH RECEPTION ON BOTH COMS. ISOLATED NOISE TO BE FROM ALTERNATOR (1) (NOISE GOES AWAY WHEN UNIT IS TURNED OFF). PERFORMED INSP IAW (KAES SIL-A-135). FOUND INBD BRUSH Apr 29, 2010 · N342CK · Cirrus SR22SDR CVU2010F00001Alternator · defectiveDURING RUNUP, THE RT VOLT/AMP METER SHOWED ONLY BATTERY VOLTAGE WHICH INDICATED A PROBLEM WITH THE RT ALTERNATOR. AFTER FURTHER TESTING AND INSPECTION, IT WAS DETERMINED THAT THE ALTERNATOR WAS DEFECTIVE. REPLACED WITH NEW ALTERNATOR AND PROBLEM WAS SOLVED.Apr 7, 2010 · N46MA · Beech 65B80SDR 2010FA0000228Mount · brokenHAVE HAD MULTIPLE PROBLEMS WITH THE MOUNTING KIT FOR THE ALTERNATOR THROUGH STC SA334SW. A NEW ALTERNATOR WAS INSTALLED ON 9/8/2006. AFTER 64 FLIGHT HOURS, THE ALUMINUM MOUNTING BLOCK BROKE DURING FLIGHT ON 6/5/07, AND WAS REPLACED ON 6/13/07. AFTER 127 FLIMar 12, 2010 · N35LA · Mooney M20FSDR CA100202010Generator · malfunctioned(CAN) ACFT RETURNED TO BASE WITH A LOUD SQUEALING NOISE COMING THROUGH THE INTERPHONE SYS. THE NR 2 DC GEN WAS REPLACED AND THE ACFT RETURNED TO SERVICE. (TC 20100202010)Feb 1, 2010 · Cvac 340CVACSDR CA100114004Alternator · failed(CAN) ALTERNATOR FAILED DURING FLIGHT. ELECTRICAL POWER LOSS INDICATED TO CREW. CREW RETURNED FOR LANDING AT CYTZ. (TC NR 20100114004)Jan 13, 2010 · Cessna TU206GSDR CA091007004Retainer · unserviceable(CAN) RETAINER WHICH HOUSES THE 2 RUBBER BUSHINGS (632050) HAS WORN TO THE POINT WHERE DRIVE GEAR HAS ROTATED ALMOST 60 DEGREES WITHIN RETAINER. THIS CONSEQUENTLY CONTAMINATED ENG WITH FERROUS MATERIAL. ENG IS BEING REPAIRED FOR METAL CONTAMINATION.Oct 7, 2009 · Cessna 150HSDR CA090923003Alternator · failed(CAN) THE ALTERNATOR WOULD NOT HOLD A CHARGE AND NO OUTPUT (TC# 20090923003)Sep 13, 2009 · Cessna 172SSDR CA090915008Alternator · failed(CAN) CHARGING SYSTEM WARNING LIGHT CAME ON IN FLIGHT. AIRCRAFT LANDED WITHOUT INCIDENT. MAINTENANCE REPLACED THE ALTERNATOR AND GROUND TESTED SERVICEABLE. THE AIRCRAFT WAS RELEASED BACK TO SERVICE. (TC# 20090915008)Sep 13, 2009 · Cessna 172P
Back to JASC 2434