JASC 2460

Service difficulty reports · 608

Reports filed under 2460 · DC Power Distribution System, 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 = '2460'
  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 97ZZZX487Splice · failedINVESTIGATION FOR COMPLETE POWER FAILURE OF FWD LT GALLEY, FOUND AN INADEQUATE SINGLE WIRE CRIMP AT FS 234.0 UNDER PANEL 261AT. IMPROPER GAUGE SPLICE CONNECTOR ALLOWED WIRE TO PULL FREE.Dec 17, 1996 · N68881 · Cessna 560CESSNASDR 96ZZZX6084Power Buss · loose connectionAVIONICS FAILED IN-FLIGHT. TROUBLESHOT AND FOUND SEVERAL BAD CONNECTIONS IN AVIONICS MASTER POWER BUSS. REPAIRED ALL OPEN CONNECTIONS. CHECKED GOOD. APPARENT PROBLEM WAS CORROSION ON CONNECTOR.Nov 16, 1996 · N33809 · Piper PA34200TSDR GLBA96215Dc Pwr Panel · failedFAR - RIGHT GENERATOR WILL NOT COME ON LINE. MAINTENANCE REPLACED THE RIGHT DC POWER PANEL. (X)Nov 6, 1996 · N208GL · Beech 1900DSDR 96ZZZX5985Relay · failedAIRCRAFT WENT INTO LOAD SHED. REPLACED 14P RELAY. OPERATIONAL CHECKS GOOD. AIRCRAFT RETURNED TO SERVICE (MEM).Oct 23, 1996 · N192R · Amd FALCONDSDR COMA9630153Pdu · failedLEFT MAIN ELECTRICAL BUS DROPPED OFF LINE. REPLACED THE LT POWER DISTRIBUTION UNIT.Oct 20, 1996 · N361CA · Saab SF340ASDR UPS96421338Circuit Breaker · meltedINSPECTION TYPE N/A, FOUND ACCESS LEFT UPPER DECK C/B C338 BURNED. REPLACED C338 BREAKER, UPPER DECK LIGHTS TEST GOOD. DEFERRED P-14 C/B PANEL NEEDS HOLE REPAIRED, DEFERRAL NR D117075.Oct 16, 1996 · N676UP · Boeing 747123SDR 9621459990Terminal Block · shortedDURING LANDING, FLIGHT ATTENDANT OBSERVED SPARKS COMING FROM OVEN TIMER AREA. COCKPIT CREW SMELLED AN ELECTRICAL BURNING SMELL. AIRCRAFT LANDED WITHOUT INCIDENT. MAINTENANCE FOUND TERMINAL STUD SHORTED AT S3-25 TERMINAL BLOCK IN OVERHEAD COMPANIONWAY. REPLOct 6, 1996 · N8950E · Doug DC931SDR USAAF96107Diode · overheatedFLT 1206 - RDU-PIT, AT 50S OF PIT, CRWE GOT 'EMERGENCY DC BUS FAILED' ON MFDU. COMMUNICATINOS WERE LOST WITH ZOB AND PIT APPROACH. AIRCRAFT SHED SOME ELECTRICAL LOAD AND COMMUNICATION WAS RE-ESTABLISHED. AN EMERGENCY WAS DECLARED AND FLIGHT LANDED WITHOUT ISep 21, 1996 · N887US · Fokker F28MK0100SDR ARWA9609030Relay · malfunctionedWHILE ON CLIMBOUT, LOST NR 1 DC BUS, CAPTAIN'S INSTRUMENTS LIGHTS OUT, 1 AND 2 ENGINE OIL TEMP, OIL QTY, CSD NR 1 FUEL FEED PUMP NR 1 ALT FUEL PUMP, HYD QTY. RETURNED TO MIAMI WITHOUT INCIDENT. WHEN PUT GEAR DOWN, ALL ABOVE RETURNED TO NORMAL. REMOVED AND RSep 20, 1996 · N802BN · Doug DC862SDR C2XA96CL022Battery Shunt · shortedCLT - FLT 3030 - CREW REPORTED THAT ON TAXI, THE NR 1 ENGINE WOULD NOT START, AFTER THREE ATTEMPTS ALL THE LIGHTS FLICKERED ON AND OFF AND THEY RECEIVED A FIRE LIGHT ON THE NR 2 ENGINE, WHICH WAS SUBSEQUENTLY SHUT DOWN. THE LIGHTS AND RELAYS CONTINUED TO FLICAug 29, 1996 · N14830 · Aerosp ATR42320SDR COMA9610260Circuit Breaker · damagedEMERGENCY BUS LOST POWER, CONTROL BUS INOP, RT ENGINE INSTRUMENTS INOP, COPILOTS EFIS AND COMM RADIO INOP, A LANDING GEAR INDICATION INOP. FOUND BUS BAR CONNECTION TO CIRCUIT BREAKER 0470 LOOSE WITH HEAT DAMAGE TO BREAKER. REPLACED C/B 0470 AND ATTACHING HARAug 25, 1996 · N152CA · Emb EMB120RTSDR AU961209Loom · worn(AUS) AFT AVIONICS WIRING LOOM PARTIALLY CUT THROUGH BY AIRCONDITIONER ANTIVIBRATION BASE MOUNT - LOOM IS ROUTED THROUGH THE GAP BETWEENTHE MOUNT AND A STRUCTURAL RIB AND PROVIDES POWER FOR THE CVR, ELT, FDR AND AIRCONDITIONING SYSTEMAug 22, 1996 · Frchld SA227DCSDR CA960826084Circuit Breaker · failed(CAN) CIRCUIT BREAKER WILL NOT RESET.Aug 7, 1996 · Diamon DA20A1SDR 96ZZZX5024Breaker · failedCOMM 2 CIRCUIT BREAKER OPENED DURING FLIGHT AND WOULD NOT RESET. CIRCUIT BREAKER WAS REPLACED WITH NEW BREAKER.Jul 11, 1996 · N600G · Hwksly HS125600ASDR 96ZZZX3059Breaker · defectiveCIRCUIT BREAKER WAS INTERMITTENT EVEN THOUGH THE BREAKER HAD NOT TRIPPED. THIS INTERMITTENT POWER CAUSED ENCODING ALTIMETER TO FLUCTUATE WITH INTERMITTENT FLAGS. ENCODING ALTIMETER SENT OUT ALTITUDE 300 FEET HIGHER THAN INDICATED, THEN FLAGGED AND WENT OFF-LJun 9, 1996 · N240NM · Swrngn SA226TCSDR 96ZZZX2990Switch · failedAFTER TAKEOFF, AIRCRAFT EXPERIENCED COMPLETE AVIONICS ELECTRICAL FAILURE DUE TO AVIONICS MASTER SWITCH FAILURE. EMERGENCY AVIONICS BUS WAS ACTIVATED AND POWER WAS RESTORED.May 24, 1996 · N7037E · Cessna 402CSDR COMA9630113Pwr Distr Unit · failedRT MAIN ELECTRIC BUS OFF LINE, GENERATOR WOULD NOT RESET. REPLACED THE LT POWER DISTRIBUTION UNIT.May 21, 1996 · N358CA · Scbflg SF34ASDR 96ZZZX3386Breaker · crackedWHEN PREPARING TO INSTALL BREAKER ON AN AIRCRAFT, ATTEMPTED TO REMOVE THE TERMINAL'S SCREWS ON BACK OF BREAKERS. ALL 4 BREAKER HOUSINGS CRACKED DUE TO THE SCREWS BEING TOO TIGHT FROM THE FACTORY. BEFORE REMOVING SCREWS, PLACE TERMINAL IN A VISE TO HOLD TERMIMay 1, 1996SDR 96ZZZM1170Circuit Breaker · trippedFLT 4925 - JFK - CAPTAINS SIDE COCKPIT INSTRUMENT/ELECTRICAL POWER FAILED IN FLIGHT. CAPTAIN DECLARED EMERGENCY AND LANDED SAFELY WITHOUT FURTHER INCIDENT. RESETTING THE LEFT START RELAY CIRCUIT BREAKER.Apr 28, 1996 · N259AE · Saab 340BSDR GLBA96074Bus Tie Contl · open circuitSPI - CREW REPORTED, LEFT GENERATOR ANNUNICATOR ILLUMINATED WHILE TAXIING AND THEY RETURNED TO GATE. MAINTENANCE REMOVED AND REPLACED BUS TIE CONTROL PRINTED CIRCUIT BOARD. OPS CHECK WAS GOOD. (M)Apr 18, 1996 · N130UE · Beech 1900CSDR CA960429005Buss Bar · not removed(CAN)DURING TROUBLESHOOTING OF FLAP SYSTEM FOUND A BUSS BAR THAT WAS SUPPOSED TO HAVE BEEN REMOVED DURING SB 228-143 (AT FACTORY). THUS NOT ALLOWING ANY PROTECTION OF THE HYDRAULIC PUMP POWER WIRE.Apr 4, 1996 · Dorner DO228202SDR AU960351Diode · failed(AUS) NO2 ELECTRICAL BUS FEEDER DIODE 70HF10 FAILEDMar 17, 1996 · Beech C99SDR 96ZZZX1478Breakers · failedCIRCUIT BREAKERS BURN UP/MELT INTERNALLY BEFORE TRIPPING, THEN REMAIN OPEN WHEN RESET.Mar 14, 1996 · N2325W · Piper PA31T2SDR AU960263Connector · arced(AUS) CABIN AFT VACUUM CLEANER OUTLET CONNECTOR ON RH SIDE OF PASSENGER CABIN SHOWED EVIDENCE OF ARCING BETWEEN THE CONNECTOR LIVE TERMINAL AND THE MOUNTING TRIM PANEL WITH A 25.4MM (1IN) DIAMETER BURN ON THE ADJACENT SOUND PROOFING BLANKET - INVESTIGATION FOUFeb 29, 1996 · Boeing 737476SDR 96ZZZX1270Bus Bar · defectiveDURING FLIGHT IN IMC ATC NOTED MODE 'C' INOPERATIVE. CONFIRMED PROBLEM, ALSO FOUND RT FUEL QUANTITY FUEL FLOW AND ITT INOPERATIVE. DURING DESCENT, PROBLEM DISAPPEARED. EXTENSIVE TROUBLESHOOTING REVEALED WIRE WHICH JUMPS TO THE BUS THAT CONTROLS THE INTERMITFeb 26, 1996 · N9617F · Cessna 208SDR GRAA9608Circuit Breaker · failedAT RNO - AIRCRAFT BLOCKED OUT OF GATE B-10. AIRCRAFT HAD THE DC BUS OFF LIGHT ILLUMINATE ON TAXI OUT. AIRCRAFT TAXIED TO THE NORTH RAMP WITHOUT FURTHER OCCURENCE. MAINTENANCE RECYCLED THE DC BUS SYSTEM CIRCUIT BREAKERS. OPERATIONAL CHECK OF THE DC BUS SYSTFeb 15, 1996 · N1074T · Doug DC987SDR COMA9630037Fuse · failedRT BATTERY BUS IS INOP. REPLACED 200 AMP FUSE AT RT POWER DISTRIBUTION UNIT.Feb 11, 1996 · N358CA · Saab SF340ASDR AU960144Diode · faulty(AUS) NO1 ELECTRICAL BUS FEEDER DIODE FAULTYFeb 7, 1996 · Beech B200CSDR AU960416Circuit Breaker · tripped(AUS) NO1 NORMAL TRANSFER CIRCUIT BREAKER C819 FAULTY - CIRCUIT BREAKER FAILED WORKSHOP CALIBRATION TESTS FOLLOWING REMOVALFeb 2, 1996 · Boeing 737377SDR 96ZZZX726Relay · failedSTANDBY POWER REPORTED INOPERATIVE. NO POWER OUTPUT TO BUS FROM ALTERNATOR. FOUND DEFECTIVE STANDBY POWER RELAY. THE RELAY SOLENOID SHAFT HAD DISCONNECTED FROM THE CONTACTOR BAR. SUBMITTER STATED THIS IS THE 4TH OCCURRENCE ON DIFFERENT SERIAL NUMBERED AIRCFeb 1, 1996 · N958FE · Cessna 208BSDR WRLA96005Elect Pcu · trippedON PUSHBACK, FLIGHT CREW NOTED A LEVEL 2 ALERT 'NR 2 ENGINE OIL PRESSURE LOW'. FLIGHT CREW ELECTED TO RETURN TO GATE FOR CORRECTIVE ACTION. AIRCRAFT RETURNED TO GATE WITHOUT INCIDENT. MAINTENANCE FOUND NO OIL LEAKS ON NR 2 ENGINE. RESET ELECTRICAL POWER COJan 27, 1996 · N273WA · Doug MD11SDR 96UAL900067Circuit Breaker · defectiveLOST CAPTAIN'S AND FIRST OFFICER'S INSTRUMENTS. RESTORED POWER TO FIRST OFFICER'S INSTRUMENTS BUT NEVER REGAINED CAPTAIN'S INSTRUMENTS. THE NUMBER ONE ELECTRICAL BUS CIRCUIT BREAKER AND THE NUMBER TWO GENERATOR BREAKER AUXILIARY CONTACTS WERE FOUND DEFECTIVEJan 26, 1996 · N338UA · Boeing 737322SDR AU960135Relay · faulty(AUS) RELAY A2036 FAULTY - SEE MDR 96/0134 AND MDR 96/0137 FOR FURTHER INFORMATIONJan 25, 1996 · Bag JETSTM3107SDR AU960134Relay · faulty(AUS) RELAY A2036 FAULTY - SEE MDR 96/0137 FOR ADDITIONAL INFORMATIONJan 25, 1996 · Bag JETSTM3107SDR DL73E960188Trans Relay · failedAT CRUISE 33,000 FT, ALT LOST ALL ELECT POWER AND CAPT INSTRUMENTS WERE COMPLETELY OUT FOR APPROX 20 MIN. RECOVERED F/O INSTR AND EVENTUALLY CAPT INSTRUMENTS RETURNED. REPLACED NR 1 TXFR RLY R-3 CPN 243201020. FOUND NR 2 ALT TXFR BUS C/B POPPED AND WOULD NOJan 23, 1996 · N238WA · Boeing 737247SDR MALA964791Relay · shortedMSP - FLT 3230 - INBOUND, CREW NOTED ALL OF THE RT ENGINE INSTRUMENTS WERE INOPERATIVE. THE AIRCRAFT CONTINUED TO MSP AND LANDED WITHOUT INCIDENT. MAINTENANCE PERSONNEL REPLACED THE RT BUS TIE RELAY. ALL SYSTEMS OPERATED SATISFACTORILY. (X)Jan 1, 1996 · N433MA · Swrngn SA227ACSDR 96ZZZX917Wire · chafedCLT/ISO - FLT 5234 - ON 1-1-96, FLIGHT HAD JUST TAKEN OFF WHEN THE CIRCUIT BREAKER FOR THE LEFT FUEL AND OIL PRESSURE GAUGE TRIPPED. THE CAPTAIN TRIED TO RESET THE BREAKER, BUT IT IMMEDIATELY TRIPPED AGAIN. THE CAPTAIN RETURNED TO THE FIELD WHERE HE MADE AN Jan 1, 1996 · N693JX · Bag JETSTM3101SDR MALA954785Start Relay · failedTYS - FLT 3343 - AFTER ENGINE START IN TYS, THE NR 2 DC GENERATOR WOULD NOT COME ON-LINE AND THE 'DC BUS' LIGHT ILLUMINATED. THE CREW IMMEDIATELY SHUT DOWN THE NR 2 ENGINE. MAINTENANCE PERSONNEL REPLACED THE NR 2 START CONTACTOR RELAY. ALL SYSTEMS OPERATED Dec 27, 1995 · N861MA · Dhav DHC8102SDR REXA95074Pwr Distr Unit · failedLOST RT MAIN BUS AND ALL ASSOCIATE FLEET EQUIPMENT ON APPROACH. REMOVED AND REPLACED SHORTED WIRE AC225. REMOVED AND REPLACED LT AND RT PDU'S AND TIME DELAY RELAY PC12. SYSTEM OPERATION CHECKED GOOD. ACFT OK FOR CONTINUED SERVICE. (X)Dec 18, 1995 · N402BH · Saab SF340ASDR 96ZZZX147Contactor · stud brokeSTUD FOR PS1 BUS BAR BROKE IN TWO. SUBMITTER STATED LOOKS LIKE A MANUFACTURER'S FLAW IN THE METAL AS IT LOOKS CRYSTALIZED.Dec 14, 1995 · N747UP · Braero BAE125800ASDR CA951127003Circuit Breaker · improper wired(CAN)AVIONICS BREAKER FOUND FED WITH INDIVIDUAL #18 GAUGE WIRE RATHER THAN THE NORMAL BUSS BAR ARRANGEMENT. IN ADDITION, SEVERAL OF THE CIRCUIT BREAKERS WERE IMPROPERLY LABELLED AND CONNECTED TO MORE THAN ONE SYSTEM. FOR EXAMPLE, THE BREAKER LABELLED "RNAV", Nov 20, 1995 · Dhav DHC6SDR CA951110001Relay · failed(CAN)ON CLIMB FLIGHT ATTENDANT NOTICED SMOKE IN CABIN, #2 FUEL BOOST PUMP CIRCUIT BREAKER POPPED. GALLEY POWER OFF, GASPER FAN OFF, AIR CONDITIONING SMOKE CHECKLIST ACCOMPLISHED AND SMOKE DISPATCHED. REPLA CED R4 TRANSFER RELAY DUE PHASE C UNSERVICEABLE, HIGH Nov 4, 1995 · Boeing 737217SDR HEED95374Relay · defectiveBUS TIE LIGHT STAYS ON AT ALL TIMES REPLACED UNITNov 3, 1995 · N89H · Skrsky S76CSDR 95ZZZX6469Breaker · stuckSCHEDULED INSPECTION FOUND BATTERY RELAY CIRCUIT BREAKER LOCATED ON HOT BUS CANNOT BE OPENED. REPLACED CIRCUIT BREAKER. NO FURTHER PROBLEMS.Oct 31, 1995 · N35GR · Beech 200BEECHSDR 95ZZZX6468Breaker · stuckSCHEDULED INSPECTION FOUND CIRCUIT BREAKERS LOCATED BY INVERTERS, BOTH SIDES ARE STUCK AND CANNOT BE PULLED, 3 OUT OF 4 BREAKERS STUCK. REPLACED CIRCUIT BREAKERS, NO FURTHER PROBLEMS. P/N 7277-2-5 AND P/N 7277-2-7 1/2.Oct 31, 1995 · N630DB · Beech 200BEECHSDR 95ZZZX6596Bus Tie · openedDURING CRUISE FLIGHT, LT BUS TIE OPEN WARNING FOLLOWED BY LT DC GENERATOR FAIL WARNING. CAPTAIN LOST HEADSET AUDIO WHICH IS POWERED FROM LT GENERATOR BUS. THIS OCCURRENCE CAUSED LOSS OF COMMUNICATION BETWEEN COCKPIT CREW AT A TIME CREW COORDINATION IS CRITICOct 30, 1995 · N160AM · Beech 1900CSDR SRAA109502Freq Relay · shortedMHZ - AFTER TAKEOFF, AIRCRAFT LOST ELECTRICAL POWER TO ESSENTIAL NAVIGATION SYSTEMS FOR THE NR 1 RADAR, OMEGA AND VOR/ILS SYSTEMS. ACCOMPLISHED AIR TURN-BACK TO MHZ AND LANDED SAFELY. INSPECTED WIRING, FOUND NR 2 FREQUENCY RELAY SHORTED AND NR 1 FREQUENCY REOct 3, 1995 · N901SJ · Lkheed 382ESDR 95ZZZX5836Electric Sys · failedAIRCRAFT SUFFERED A SHORT-TERM, COMPLETE ELECTRICAL SYSTEM FAILURE WHILE IN IFR CONDITIONS ON A NIGHT FLIGHT. ELECTRICAL SYSTEM BEGAN FUNCTIONING NORMALLY AGAIN AFTER AIRCRAFT RETURNED TO NON-PRECIP. VFR. SUSPECT CAUSE IS MOISTURE ENTERING AVIONICS COMPARTMESep 20, 1995 · N245 · Cessna T337GSDR 9514099102Transfer Relay · malfunctionedAFTER TAKEOFF, BOTH A AND B PHASE FUEL BOOST PUMP CIRCUIT BREAKERS POPPED, IN CONJUNCTION WITH LOSS OF SEVERAL AIRCRAFT COMPONENTS INCLUDING COMMUNICATIONS. FLIGHT RETURNED TO DTW AND LANDED WITHOUT INCIDENT. REPLACED DC CROSSTIE RELAY (R2-27) AND NR 1 AND NSep 8, 1995 · N92S · Doug DC915SDR BIER950015Master Switch · shortedBATTERY WAS DRAINED DOWN TO 22 VOLTS WITH MASTER ELECTRICAL SWITCH IN OFF POSITION. DETERMINED CAUSE WAS MOISTURE BUILD-UP IN SWITCH CAUSING BATTERY DRAIN. COMPLIED WITH PIPER SL 886 BY INSTALLATION OF SEALED SWITCH.Jul 27, 1995 · N3521S · Piper PA31350
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