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 AU000221Stator · loose(AUS) ALTERNATOR STATOR WINDINGS LOOSE CAUSING CHAFING AND SHORT CIRCUIT.Mar 16, 2000 · Piper PA28151SDR 20000424SH012Rotor Coil · failedALTERNATOR FAILED WHILE ACFT WAS IMC, VFR CONDITIONS ENCOUNTERED. AIRCRAFT LANDED WITHOUT INCIDENT. INVESTIGATION REVEALED ROTATING FIELD WAS ELECTRICALLY OPEN DOWN. STREAM OF SUD RINGS. PART TSO WAS ONLY 52 HOURS SINCE OVERHAULED. (X)Mar 10, 2000 · N18993 · Beech C24RSDR 20000417SH014Alternator · failedALTERNATOR FAILED DURING FLIGHT. TROUBLESHOOTING WITH ALTERNATOR TEST BOX SHOWED NO OUTPUT. CHECKING FIELD WINDING RESISTANCE PER CESSNA MM SHOWED EXCESSIVELY HIGH RESISTANCE. ALTERNATOR REPLACED. (X)Mar 10, 2000 · N232MT · Cessna TU206GSDR CA000307002Generator · failed(CAN) NR 2 DC GENERATOR HOT CAUTION LIGHT FLICKERED OFF/ON PRIOR TO ENG START AND DURING FLIGHT. NR 2 DC STARTER/GENERATOR REMOVED AND NO DEFECTS FOUND. COMPONENT REPLACED.Mar 6, 2000 · Dhav DHC8311SDR 20000417SH003Alternator · failedSMOKE IN COCKPIT. TROUBLESHOT SYSTEM, FOUND ALTERNATOR BEARING FROZE. REPLACED ALTERNATOR WITH OVERHAUL UNIT, PN DOFF10300J, SN A-100167. (X)Feb 29, 2000 · N9723V · Cessna 172MSDR SWIA971715Generator · failedAUXILLARY GENERATORS NUMBER ONE AND NUMBER TWO BOTH FAILED IN FLIGHT, WOULD NOT RESET. RETURNED TO LAX. RAN ENGINES, FOUND RIGHT AUXILLARY GENERATOR WORKING NORMAL.Feb 27, 2000 · N236SW · Emb EMB120ERSDR 20000503SH006Brush Block · failedWHILE ON A SIGHTSEEING FLIGHT ON MAUI, HAWAII ON 2-23-00 AT APPROXIMATELY 3 PM HST, PILOT EXPERIENCED A LOW VOLTAGE CONDITION ON THE AIRCRAFT. PILOT THEN ELECTED TO MAKE A PRECAUTIONARY LANDING AT KEANAE PENNINSULA. FURTHER INVESTIGATION FOUND THE BATTERY WFeb 23, 2000 · N194BH · Snias AS350B2SDR CA000224023Bearing · failed(CAN) RIGHT GENERATOR FAILED IN-FLIGHT AS A RESULT OF THE BRUSH END BEARING. DRIVE END BEARING ALTHOUGH NOT YET FAILED, REVEALED AN ABSENCE OF LUBRICATION.Feb 17, 2000 · Swrngn SA226TCSDR 20000407SH024Belt · disintegratedALTERNATAOR BELT CAME APART. ALTERNATOR QUIT WORKING. BATTERY DRY OF ACID. BATTERY DEAD. AIRCRAFT LANDED. LANDING GEAR NOT DOWN AND LOCKED. RIGHT GEAR WAS NOT LOCKED. (X)Feb 17, 2000 · N32891 · Piper PA28R200SDR AU000252Stator · loose(AUS) ALTERNATOR STATOR LOOSE. STATOR WINDINGS SHORT CIRCUITED.Feb 9, 2000 · Piper PA28161SDR 20000829SH004Alternator · inoperativeALTERNATOR FAILURE REPORTED BY PILOT DURING FLIGHT. INSPECTION OF CHARGING SYSTEM FOUND HIGH RESISTANCE ACROSS ALTERNATOR CONTACTOR TERMINALS. POSSIBLE CAUSE, TURNING ON ALTERNATOR WITH HIGH LOAD. SUBMITTER SUGGESTED CHANGING START-UP PROCEDURE SO ALTERNATOJan 26, 2000 · N508ER · Cessna 172SSDR 2000ZZZX230Alternator · failedELECTRICAL FAILURE DUE TO INTERNAL ALTERNATOR FAILURE WITH STRONG SMELL OF ELECTRICAL.Jan 25, 2000 · N4486X · Beech A36SDR 2000ZZZX137Alternator · failedALTERNATOR BOUND UP AND CAUSED THE DRIVE COUPLING TO SEIZE. STRONG SMELL OF BURNED ELECTRICAL.Jan 14, 2000 · N3222B · Beech A36SDR RAIA0001004Generator · failed7108 - STL - RIGHT GENERATOR FAULTED 5 TO 7 MINUTES INTO FLIGHT. MAINTENANCE REPLACED RIGHT ENGINE STARTER GENERATOR.Jan 9, 2000 · N421TE · Aerosp ATR42300SDR 2000ZZZX170Control Unit · failedPILOT DETECTED ALTERNATOR OUT LIGHT IN-FLIGHT AND NO OUTPUT ON METER. CYCLED ALT SWITCH AND ALTERNATOR OUT LIGHT STAYED OFF, BUT METER WENT TO FULL CHARGE DEFLECTION. PILOT LANDED WITH NO PROBLEMS. UPON INVESTIGATION, FOUND ALT CONTROL UNIT MELTED INTO AREADec 27, 1999 · N718EH · Cessna 172RSDR HEEA065229Control Unit · malfunctionedGEN. NR 2 KICKS OFF LINE IN -FLIGHT.Nov 17, 1999 · N707AE · Skrsky S76ASDR CA991209068Brush Block · worn(CAN) DURING CRUISE FLIGHT, THE CREW GOT A GEN 2 FAIL LIGHT. MAINTENANCE FOUND THE ALTERNATOR BRUSHES WORN TO THE POINT OF BRUSH FAILURE.Nov 10, 1999 · Pilats PC1245SDR CA991112013Field Rotor · sheared(CAN) DURING FLIGHT, THE CHARGING SYSTEM FAILED AND WOULD NOT RESET. AFTER LANDING, MAINTENANCE PERSONNEL DETERMINED THAT THE ALTERNATOR FIELD ROTOR HAD SHEARED AFT OF THE FORWARD (DRIVE END) BEARING.Oct 28, 1999 · Cessna 150MSDR RAIA9910037Generator · failed7391 - XNA - LEFT GENERATOR INOP. MAINTENANCE REPLACED LEFT GENERATOR.Oct 26, 1999 · N722TE · Aerosp ATR72202SDR 99ZZZX4181Brace · crackedALTERNATOR FAILED EN ROUTE. INSPECTION REVEALED THE FIELD WIRE BROKE LOOSE FROM ALTERNATOR MOST LIKELY DUE TO A CRACKED ALTERNATOR SUPPORT BRACE BEING CRACKED ALLOWING THE ALTERNATOR TO VIBRATE.Oct 25, 1999 · N681V · Beech M35SDR 99ZZZX4211Belt · wornBELT STARTED TO WEAR IN ONE SPOT ABOUT 6 INCHES LONG AND STARTED TO TURN IN FLYWHEEL GROOVE.Oct 21, 1999 · N9181D · Piper PA28235SDR VNAA9910011Ecu · failedON THE TAKEOFF ROLL, THE LEFT ENGINE ECU FAILED AND THE NH REACHED 104 PERCENT FOR ONE SECOND. THE CREW ABORTED THE TAKEOFF AND RETURNED TO THE GATE. MAINTENANCE INSPECTED THE ENGINE FOR FOD INGESTION AND DETERMINED THE AIRCRAFT WAS SAFE FOR FERRY FLIGHT TO Oct 19, 1999 · N458PS · Dorner DO328100SDR AU991083Alternator · failed(AUS) ALTERNATOR FAILED INTERNALLY AND SEIZED CAUSING INTERNAL AND EXTERNAL DAMAGE.Oct 13, 1999 · Piper PA32R300SDR HEEA064746Control Unit · failedNO OUTPUT FROM GENERATOR. 1.5 VDC AT TEST POINTS AND CANNOT ADJUST AT ALL.Oct 12, 1999 · N142PH · Bell 412SDR 99ZZZX4420Alternator · failedUPON LANDING, THE MAIN AND NOSE LANDING GEAR COLLAPSED. PILOT REPORTED ELECTRICAL SYSTEM PROBLEMS. CHECK OUT OF ELECTRICAL SYSTEM REVEALED THE ALTERNATOR WAS NOT WORKING.Oct 11, 1999 · N8585M · Beech P35SDR 99ZZZX4240Brushes · wornAIRCRAFT LANDED, NO POWER. BATTERY DEAD. ALTERNATOR QUIT ONE HOUR PRIOR TO LANDING (BAD WEATHER). FOUND ALTERNATOR BRUSHES WORN TO SPRINGS, WORKING INTERMITTENTLY. INSTALLED NEW BRUSHES, CHECKED OK. TOTAL TIME UNKNOWN.Sep 29, 1999 · N2032K · Beech A36SDR 99ZZZX4162Bearing · frozenDURING A ROUTINE INSPECTION, THE ALTERNATOR BELT IDLER PULLEY BEARING WAS FOUND FROZEN.Sep 27, 1999 · N4148P · Piper PA28181SDR AU990985Sensor · faulty(AUS) ALTERNATOR FAULTY. ELECTRICAL SENSOR FAILED.Sep 26, 1999 · Cessna 404CESSNASDR 99ZZZX3853Alternator · failedDURING VFR FLIGHT, ALTERNATOR FAILED AFTER LANDING GEAR RETRACTION. ALTERNATOR FAILED 5 MINUTES AFTER LANDING GEAR RETRACTION DURING CLIMB TO ALTITUDE. AMMETER AND VOLTMETER INDICATIONS PRIOR TO FAILURE WERE NORMAL. ALTERNATOR DID NOT COME ON-LINE AFTER COMSep 9, 1999 · N888Q · Cessna T210MSDR 99ZZZX3629Ground Pad · burntLEFT DC GENERATOR WOULD OCCASSIONALLY TRIP OFF-LINE DURING A GROUND RUN-UP. FOUND THE LEFT GENERATOR SHUNT GROUND PAD MELTED AND BURNT. GROUND PAD HAD RECENTLY BEEN REMOVED BY AN OUTSIDE MAINT FACILITY (AT CUSTOMER REQUEST) TO CHECK IT AND SHUNT FOR CORROSIOSep 8, 1999 · N154C · Gulstm G1159SDR HEEA064344Generator · malfunctionedGENERATOR HOT LIGHT INTERMITTENT.Sep 7, 1999 · N5748M · Bell 214STSDR MALA976555Generator · failedDURING FLIGHT, RT DC GEN ILLUMINATED, FOLLOWED QRH AND GEN WON'T RESET. RETURNED TO DTW. MAINTENANCE REPLACED RIGHT DC GEN. OPS CHECK GOOD IAW SF340 MM ATA CHAP.Aug 28, 1999 · N433XJ · Saab 340BSDR C2XA99CL102Generator · malfunctionedCLE - FLT 4049 - THE CREW REPORTED THE NR 3 GENERATOR DROPPED OFF LINE NUMEROUS TIMES AFTER TAKEOFF. THE AIRCRAFT RETURNED TO CLEVELAND WITHOUT FURTHER INCIDENT. MAINTENANCE RELEASED THE AIRCRAFT IAW MEL 24-31-01 CAT 'C' CONTROL NUMBER 184935. THE AIRCRAFT Aug 24, 1999 · N17928 · Emb EMB145SDR 99ZZZX3073Brush · wornALTERNATOR FAILED TO CHARGE 672 HOURS AFTER OVERHAUL. INSPECTION REVEALED THAT ALTHOUGH BOTH BRUSHES HAD BEEN REPLACED DURING OVERHAUL, ONE BRUSH WAS FULLY WORN OUT WHERE THE OTHER WAS ONLY 50 PERCENT WORN. OVERHAULER SAID HE HAS SEEN THIS BEORE AND ATTRIBUTAug 5, 1999 · N74608 · Gulstm AA5BSDR CA990817029Alternator · failed(CAN) ALTERNATOR REAR BEARING FAILURE. SYSTEM NOT CHARGING.Jul 29, 1999 · Cessna 180HSDR CA990728098Alternator · failed(CAN) REPEATED TRIPPING OF ALTERNATOR FIELD CIRCUIT BREAKER. ALTERNATOR NOT PROVIDING FULL AMPERAGE. ALTERNATOR REPLACED.Jul 14, 1999 · Piper PA28161SDR CA990804013Wire · shorted(CAN) ALTERNATOR FIELD WIRE AND VOLTAGE REGULATOR SHORTED, LEFT SYSTEM.Jun 29, 1999 · Cessna 414ASDR CA990715048Wire · broken(CAN) RIGHT ALTERNATOR WENT OFF-LINE AND THE AIRCRAFT STARTED TO LOSE NAVIGATIONAL AIDS. CREW DISCOVERED NO CHARGE FROM ALTERNATOR. THE AMP TERMINAL END WAS REPLACED AT THE FIELD TERMINAL FOR THE RIGHT ALTERNATOR AND BOTH ALTERNATOR BELTS TIGHTENED.Jun 24, 1999 · Piper PA31SDR CA990707001Generator · failed(CAN) DURING CRUISE, NR 2 DC GENERATOR FELL OFF-LINE. GENERATOR REPLACED.Jun 15, 1999 · Dhav DHC8102SDR C2XA99BT046Generator · failedCAE - AFTER TAKEOFF, CREW REPORTED FIVE GENS FAILED IN FLIGHT. APU GEN FAILED, THEN GEN 2, GEN 4, GEN 3, AND GEN 1. AIR RETURNED TO CAE LANDED UNEVENTFULLY. MAINTENANCE TROUBLESHOOTING. (M)May 26, 1999 · N16927 · Emb EMB145SDR 99ZZZM556Generator · failedCAE - AFTER TAKEOFF, CREW REPORTED FIVE GENS FAILED IN FLIGHT. APU GEN FAILED, THEN GEN 2, GEN 4, GEN 3, AND GEN 1. AIR RETURNED TO CAE LANDED UNEVENTFULLY. MAINTENANCE TROUBLESHOOTING. (M)May 26, 1999 · N16927 · Emb EMB145SDR 99ZZZM555Generator · failedCAE - AFTER TAKEOFF, CREW REPORTED FIVE GENS FAILED IN FLIGHT. APU GEN FAILED, THEN GEN 2, GEN 4, GEN 3, AND GEN 1. AIR RETURNED TO CAE LANDED UNEVENTFULLY. MAINTENANCE TROUBLESHOOTING. (M)May 26, 1999 · N16927 · Emb EMB145SDR 99ZZZM554Generator · failedCAE - AFTER TAKEOFF, CREW REPORTED FIVE GENS FAILED IN FLIGHT. APU GEN FAILED, THEN GEN 2, GEN 4, GEN 3, AND GEN 1. AIR RETURNED TO CAE LANDED UNEVENTFULLY. MAINTENANCE TROUBLESHOOTING. (M)May 26, 1999 · N16927 · Emb EMB145SDR 99ZZZM553Generator · failedCAE - AFTER TAKEOFF, CREW REPORTED FIVE GENS FAILED IN FLIGHT. APU GEN FAILED, THEN GEN 2, GEN 4, GEN 3, AND GEN 1. AIR RETURNED TO CAE LANDED UNEVENTFULLY. MAINTENANCE TROUBLESHOOTING. (M)May 26, 1999 · N16927 · Emb EMB145SDR 99ZZZX2272Wire · chafedFOUND WIRE COMING OFF ALTERNATOR (BATTERY POST) TO MAIN BUSS AT CIRCUIT BREAKER PANEL CHAFED TO NR 1 CYLINDER PRIMER LINE AND WELDED ITSELF TO THE LINE. THIS RESULTED IN A TOTAL ELECTRICAL FAILURE.May 25, 1999 · N6432J · Piper PA28180SDR 99ZZZX4105Mount · looseINBOARD MOUNT BEGAN WORKING AND EVENTUALLY CAUSED LOSS OF ALTERNATOR BELT TENSION. ALTERNATOR WAS PREVIOUSLY INSTALLED UNDER STC SA 334SW.May 23, 1999 · N6017P · Piper PA24180SDR 99ZZZX2210Pulley · damagedALTERNATOR PULLEY COOLING FINS BECAME DETACHED FROM PULLEY CAUSING ALTERNATOR TO VIBRATE OFF ENGINE SHEARING BRACKET BOLTS. INSTALLED NEW BOLTS AND ALTERNATOR. PROBLEM HAS NOT RECURRED. POSSIBLE CAUSE IS FATIGUE OF COOLING FINS. SUBMITTER SUGGESTED INSPECTMay 12, 1999 · N9623F · Hughes 269CSDR RAIA990508Generator · failedFLT 7494 - STL - NR 2 GENERATOR INOPERATIVE. MAINTENANCE REPLACED NR 2 GENERATOR. (M)May 9, 1999 · N559HK · Jetair JETSTM4101SDR AU990437Wire · broken(AUS) ALTERNATOR GROUND LEAD HAD COME ADRIFT FROM ITS TERMINAL AT THE ALTERNATOR SOME TIME PREVIOUSLY AND HAD BEEN STOWED IN THE LOOM AND HAD NOT BEEN RETERMINATED. WITHOUT A GROUND, THE ALTERNATOR HAD BEEN GROUNDING THROUGH AN ALUMINIUM DUCT RESTING AGAINSTMay 8, 1999 · Cessna 210HSDR CA990531007Generator · failed(CAN) GENERATOR WARNING LIGHT FLASHED SEVERAL TIMES AND WOULD NOT PRODUCE ANY OUTPUT. GENERATOR REPLACED, BUT PROBLEM REMAINED. VOLTAGE REGULATOR CHANGED AND SYSTEM IS NOW SERVICEABLE.May 3, 1999 · Bell 205A1
Back to JASC 2434