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 RAIA00501057Generator · failedSTL - NR 2 DC GENERATOR FAULTED AFTER ENGINE START. MAINTENANCE REMOVED AND REPLACED NR 2 GENERATOR.Jan 26, 2005 · N426TE · Aerosp ATR42300SDR CA041202003Generator · failed(CAN) RT DC GENERATOR FAILED. SMOKE NOTICED IN THE CABIN BY PASSENGER.Dec 2, 2004 · Lear 35LEARSDR UAT2005F00004Alternator · failedALTERNATOR FAILED AT 57.4 TSO. REPLACED WITH SERVICEABLE UNIT. OPS CHECK GOOD. (K)Nov 29, 2004 · N73789 · Cessna T207ASDR UAT2005F00003Alternator · failedALTERNATOR FAILED AT 92.5 TSO. REPLACED WITH SERVICEABLE UNIT. OPS CHECK GOOD. (K)Nov 29, 2004 · N73503 · Cessna 207ASDR UAT2005F00002Alternator · failedALTERNATOR FAILED AT 391.8 TSO. REPLACED WITH SERVICEABLE UNIT. OPS CHECK GOOD. (K)Nov 29, 2004 · N73217 · Cessna 207ASDR UAT2005F00001Alternator · failedALTERNATOR FAILED AT 55.1 TSO. REPLACE WITH SERVICEABLE UNIT. OPS CHECK GOOD. (K)Nov 29, 2004 · N7605U · Cessna 207ASDR UAT2005F00000Alternator · failedALTERNATOR FAILED AT 10.6 TSO. REPLACED WITH SERVICEABLE UNIT. OPS CHECK GOOD. (K)Nov 29, 2004 · N7605U · Cessna 207ASDR 2004F00429Sensor · burned outWHILE IN CRUISE FLIGHT, THE PILOT NOTICED SPARKS COMING FROM THE LEFT ENGINE FORWARD COWL AREA. AS A PRECAUTION, THE ENGINE WAS SHUTDOWN AND SECURED. THE AIRCRAFT THEN MADE AN UNEVENTFUL LANDING. UPON INVESTIGATION, IT WAS DISCOVERED THAT THE ALTERNATOR OUTNov 29, 2004 · N80BS · Cessna 404SDR CA041126005Brush Block · worn(CAN) DURING CRUISE FLIGHT, GEN 2 LIGHT CAME ON. PILOT PULLED GEN 2 CIRCUIT BREAKER AND LANDED AT BASE. INVESTIGATION REVEALED A SLIGHT CONDUCTIVE PATH BETWEEN THE TWO BRUSHES WITH THE BRUSH BLOCK ASSY REMOVED BELIEVED TO BE CAUSED BY BRUSH BLOCK DUST. THE SLINov 23, 2004 · Pilats PC1245SDR CA041115004Generator · intermittent(CAN) ON CLIMB OUT THE PILOT OBSERVED THAT ONLY ONE GENERATOR WAS ACCEPTING LOAD. DECIDED TO RETURN TO DEPARTURE AERODROME WITHOUT CARRYING OUT ANY CONFIRMATION CHECKS. A SUBSEQUENT MAINTENANCE INSPECTION DETERMINED THAT AT LIGHT ELECTRICAL LOADS BOTH GENERANov 11, 2004 · Beech 99SDR 2005FA0000158Alternator · failedPILOT DECLARED EMERGENCY, TOTAL ELECTRICAL FAILURE. DIAGNOSTIC INSPECTION REVEALED ALTERNATOR FAILURE. PILOT FAILED TO SEE WARNING LIGHT; DISCHARGE ON AMMETER AND LOW VOLT READING ON VOLT METER. (GL11200505028) (K)Nov 1, 2004 · N801AL · Cessna 182SSDR GM82004F00005Alternator · inoperativeALTERNATOR, INOPERATIVE.Sep 22, 2004 · N79LU · Cessna 172RSDR GM82004F00004Alternator · shortedALTERNATOR, FIELD SHORT TO GROUND, ROTOR JAMMED.Sep 22, 2004 · N78LU · Cessna 172RSDR GM82004F00003Alternator · failedALTRNATOR, LOW FIELD RESISTANCE.Sep 22, 2004 · N77LU · Cessna 172RSDR GM82004F00002Alternator · failedALTERNATOR, HIGH FIELD RESISTANCE.Sep 22, 2004 · N76LU · Cessna 172RSDR GM82004F00001Alternator · failedALTERNATOR, HIGH FIELD RESISTANCE.Sep 22, 2004 · N76LU · Cessna 172RSDR GM82004F00000Alternator · failedALTERNATOR, HIGH FIELD RESISTANCE.Sep 22, 2004 · N76LU · Cessna 172RSDR 2005FA0000133Housing · misrepairedIN PREPARING ALTERNATOR FOR INSTALLATION. CLOSE INSPECTION REVEALED THAT LIGHT PRESSURE ON NEGATIVE DIODE CAUSED DIODE TO BECOME UNSEATED FROM BORE IN HOUSING. INSPECTION OF BORE SHOWED THAT THE BORE WAS OVERSIZED AND HAD BEEN PAINTED DURING OVERHAUL. DIODESep 19, 2004SDR CA040830011Generator · failed(CAN) AFTER LANDING PILOT NOTICED VOLTAGE READING WAS AT 0. GENERATOR WAS REPLACED ANDAIRCRAFT WAS RETURNED TO SERVICE.Aug 6, 2004 · Dhav DHC2*SDR CA040608001Drive Shaft · shearedON RETURN, PILOT NOTED GEN 2 FAILURE IN CRUISE AND CONT`D ON TO COMPLETE FLT. NR 1 GEN AUTO COVERS FOR NR 2 GEN WHEN A FAILURE OCCURS. INVESTIGATION BY MX REVEALED SHEARED DRIVE SHAFT FOR NR 2 GEN. SHAFT BROKE AT PROPER SHEAR POSITION WITH NO DAMAGE TO ANY Jun 6, 2004 · Pilats PC1245SDR AUS20040265Alternator · failed(AUS) ALTERNATOR FAILED IN FLIGHT.Apr 11, 2004 · Cessna 172PSDR AUS20040270Drive Shaft · sheared(AUS) NR 2 GENERATOR DRIVESHAFT SHEARED.Apr 8, 2004 · Pilats PC12SDR 2004FA0000316Wire · shortedTHE 3 WIRES COMING FROM THE STATOR ARE SHORTED OUT ON THE CASE. THIS IS 4TH ALTERNATOR OVERHAUL BY FACILITY WITH THE SAME FAILURE, ALL 4 ALTERNATORS HAD LESS THAN 390 HOURS SINCE OVERHAUL. THERE NEED TO BE MORE INSULATION ON THE 3 WIRES.Apr 8, 2004 · N761SP · Cessna 210MSDR 2004FA0000347Alternator · failedOVERHAULED GEAR DRIVEN ALTERNATOR REPEATED FAILURE. ALTERNATOR P/N 646843 S/N D022878 WENT TO TWO TIMES FOR REPAIR OR OVERHAUL AND FAILED VERY SOON AFTERWARDS EACH TIME. 25 HOURS FIRST TIME AND .5 HOURS SECOND TIME. FIRST TIME WO NR MW25590 SECOND TIME WO NR MMar 31, 2004 · N42RK · Beech F33ASDR PO82004F00000Alternator · failedALTERNATOR FAILED INFLIGHT AFTER 134 HOURS TSO. UNIT SENT OUT TO A CERTIFIED REPAIR STATION FOR REPAIR. TEARDOWN REPORT STATED ONE BAD BEARING AND A FAILED STATOR. PREVIOUS OVERHAULED ALTERNATOR LASTED FIVE MINUTES BEFORE AND THE OVERHAULED UNIT PRIOR TO THMar 1, 2004 · N6246B · Cessna T210MSDR AUS20040106Drive Shaft · worn(AUS) NR 2 GENERATOR DRIVESHAFT WORN AT INNER (FORWARD) BEARING AREA.Feb 17, 2004 · Pilats PC12SDR Z3M2004F00000Alternator · failedALTERNATOR FAILED TO PRODUCE ADEQUATE VOLTAGE UNDER HIGH LOADS. REPLACED ALTERNATOR.Feb 12, 2004 · N7036J · Robsin R44SDR AUS20040082Alternator · failed(AUS) ALTERNAOR FAILED.Feb 3, 2004 · Cessna A152SDR KPVA20042Circuit Card · failedNR 2 DC GEN CAUTION LIGHT ILLUMINATED BRIEFLY ON TAKEOFF ROLL, ON BRIEFLY DURING TAXI IN. INSPECTED NR 2 DC CAUTION LIGHT AND DEFERRED IAW MEL 24-16. COMPLIED WITH MAINTENANCE PROCEDURES AND REQUIRED. CAT (B) 1/21/04, DUE 1/24/04. PLACARDS INSTALLED. REMOJan 21, 2004 · N806WP · Dhav DHC8103SDR CA040130007Housing · cracked(CAN) ON INSPECTION OF ALTERNATOR HOUSING 2 RIBS WERE FOUND CRACKED COMPLETELY THROUGH. THERE HAVE BEEN TWO OTHER SIMILAR ALTERNATORS FOUND WITH CRACKED RIBS.Jan 6, 2004 · Cessna 337GSDR 2004FA0000031Stud · meltedPOSITIVE TERMINAL ON ALTERNATOR MELTED. INSPECTED ALTERNATOR WIRING HARNESS FOR CORRECT ROUTING AND DAMAGE. PROBABLE CAUSE FOR THIS MALFUNCTION OCCURRED IN THE ALTERNATOR ITSELF, AS THE POSITIVE STUD AND NUT WERE RECOVERED WITH THE NUT IN THE TORQUED POSITION.Jan 2, 2004 · N5169F · Cessna 172SSDR AUS20031324Alternator · faulty(AUS) ALTERNATOR SUSPECT FAULTY. ALTERNATOR BENCH TESTED OK, BUT REPLACED DUE TO HIGH HOURS. FAULT HAS NOT REOCCURRED SINCE.Dec 18, 2003 · Cessna 172NSDR AUS20031308Brush Block · worn(AUS) ALTERNATOR BRUSHES WORN UNEVENLY. GROUND BRUSH WORN COMPLETELY AWAY WHILE THE POSITIVE BRUSH APPEARED IN NEAR NEW CONDITION.Dec 18, 2003 · Cessna 182ASDR AUS20031305Brushes · worn(AUS) ALTERNATOR GROUND BRUSH ALMOST WORN AWAY. POSITIVE BRUSH WAS HARDLY WORN.Dec 15, 2003 · Cessna U206GSDR AUS20031302Brush Block · worn(AUS) ALTERNATOR GROUND BRUSH COMPLETELY WORN AWAY. SLIP RING DAMAGED BY WORN BRUSH.Dec 8, 2003 · Cessna 172NSDR AUS20031183Alternator · failed(AUS) RT ALTERNATOR FAILED.Nov 19, 2003 · Bnorm BN2B20SDR 2003FA0001083Brushes · wornALTERNATOR BRUSHES EXCESSIVELY WORN FOR THE AMOUNT OF TIME ON ALTERNATOR. (3/16 IN.LONG) A NEW BRUSH IS .5 INCH LONGOct 17, 2003 · N24336 · Cessna 172RSDR AUS20031107Generator · failed(AUS) LT AND RT GENERATORS FAILED.Oct 4, 2003 · Parten P68BSDR 2003FA0001017Mount · brokenDURNG PROGRESSIVE INSPECTION OF ENGINE FOUND LOWER ALTERNATOR MOUNTING HOLE BROKEN OFF. PROBABLE CAUSE IS ENGINE VIBRATION OR MISALIGNMENT OF ALTERNATOR ON ENGINE MOUNTING BRACKET. RECOMMENDATINS IS TO INSTALLED AND RUBBER SHOCK MOUNT IN THIS AREA OR SHIMES Sep 29, 2003 · N4161Z · Piper PA28181SDR AUS20031252Brushes · worn(AUS) ALTERNATOR BRUSHES BADLY WORN. ALTERNATOR FAILED CAUSING WIRING TO BURN AND FAILURE OF ALTERNATOR CONTROL UNIT AND CURRENT SENSOR AND FUSING OF THE ALTERNATOR FIELD CIRCUIT BREAKER.Sep 20, 2003 · Cessna 172SSDR AUS20030987Starter Gen · faulty(AUS) NR 1 DC STARTER-GENERATOR SUSPECT FAULTY.Sep 19, 2003 · Dhav DHC8102SDR 2003FA0000940Bearing · overheatedALTERNATOR HARD TO ROTATE DUE TO NON-DRIVE END BEARING BEING PRESSED INTO HOUSING TOO FAR. BEARING COVER FOUND (BLUED) DUE TOO EXCCESIVE HEAT. DRIVE PULLEY HARD TO ROTATE BY HAND. NOTE: 0 TIME SINCE OVERHAUL!Sep 18, 2003 · Piper PA18SDR 2003FA0000939Attach Fitting · crackedCOMPONENT WAS CRACKED IN THREE PLACES, THIS IS IN THE DRIVE ATTACHMENT BASE. (JUST FORWARD OF THE ATTACHMENT PLATE), ON THE WEB THAT SECURES THE ALTERNATOR. OWNER SAID THAT HE HAD REPLACED THE ALTERNATOR 7 MONTHS AGO FOR THE SAME PROBLEM, CRACKED JUST AFT OFSep 17, 2003 · N1996 · Piper PA28R201TSDR AUS20030932Bearing · disintegrated(AUS) ALTERNATOR SLIP RING END ROLLER BEARING DISINTEGRATED. ROTORPOLED.Sep 10, 2003 · Mooney M20JSDR AUS20030931Alternator · failed(AUS) ALTERNATOR FAILED.Sep 4, 2003 · Cessna A152SDR CA030904001Starter Gen · failed(CAN) NR 1 DC STARTER- GENERATOR SHAFT SHEARED ON APPROACH. PASSENGERS NOTICED SPARKS COMING FROM THE NACELLE. THE INTENSE HEAT DISCOLOURED AND BLISTERED THE PAINT AND WARPED THE COMPOSITE AROUND THE GENERATOR EXHAUST OUTLET. STARTER-GENERATOR REPLACED, COWAug 31, 2003 · Bombdr DHC8400SDR CA030908005Brushes · worn(CAN) PREMATURELY WORN FIELD BRUSHES, SHORTED FIELD CIRCUIT FAILING ALTERNATOR, VOLTAGE REGULATOR AND OVERVOLTAGE SENSOR.Aug 26, 2003 · Cessna 172MSDR AUS20030890Alternator · failed(AUS) ALTERNATOR FAILED IN FLIGHT. LIMITED INFORMATION PROVIDED.Aug 21, 2003 · Cessna 172NSDR AUS20030840Alternator · failed(AUS) ALTERNATOR FAILED. INVESTIGATION FOUND BEARING AND DIODE FAILED.Aug 18, 2003 · Robsin R22BETASDR AUS20030860Diode · failed(AUS) DC ALTERNATOR DIODE FAILED.Aug 16, 2003 · Robsin R22MARINER
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