JASC 4997

Service difficulty reports · 226

Reports filed under 4997 · APU System Wiring, 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 = '4997'
  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 CA041007001Wire · chafed(CAN) JUST PRIOR TO ENGINE START AT AN OUTBASE, THE A/C APU SHUT DOWN ON ITS OWN. GROUND EQUIPMENT WAS USED TO POWER AND START THE A/C, AND THE FLIGHT CONTINUED. AT THE TERMINATING BASE, MAINTENANCE PERSONNEL FOUND 2 WIRES AT THE APU THAT HAD CHAFED AND SHORTOct 5, 2004 · Boeing 727227SDR DLM90040645Terminal · burnedAFTER PUSHBACK STRONG SMELL OF ELECTRICAL FIRE, NO VISIBLE SMOKE. RAN ELECTRICAL FIRE CKLIST, STRONG SMELL NEAR F/C FLIGHT ATTENDANT JUMPSEAT. FOUND APU POWER RELAY PHASE A1 TERMINALS BURNT. REPLACED RELAY BASE AND CONTROL. FWD TO MCO/PLAC 49-10-01. APU IJul 12, 2004 · N909DA · Doug MD9030SDR AALA20040453Wire · overheatedTUL - AUXILLARY POWER UNIT WIRE FEEDER CABLES, NUMBERS 3X2CAB, 3X2D2B, 3X1D2A AND 3X1C2A SHOWS SIGNS OF OVERHEATING. PLASTIC ADELON WIRE NUMBER 3X1C2A SHOWED SIGNS OF OVERHEATING. REPLACED AUXILLARY POWER UNIT WIRE FEEDER CABLES 3X2C2B, 3X2D2B, 3X1D2A, AND 3Mar 26, 2004 · N563AA · Doug DC983SDR AALA20040454Terminal · overheatedTUL - THREE WIRE RING TERMINALS SHOW SIGNS OF OVERHEATING AT RESISTER R4-9. REPLACED THREE EACH WIRE RING TERMINALS AT RESISTER R4-9. SYSTEM GROUND CHECKED NORMAL OPERATION.Mar 22, 2004 · N563AA · Doug DC983SDR CA040310001Connector · burned(CAN) INDICATION OF APU FIRE AT 35,000 FT. AFTER DISCHARGING BOTTLE AND SHUTTING DOWN APU, RED WARNING LIGHT EXTINGUISHED. CREW DIVERTED AND AC LANDED W/O INCIDENT. MAINT INSP FOR FIRE DAMAGE IAW SRM 51-4-10. FIRE CONTAINED BETWEEN BLKHD STA.1156 AND APU EXHAMar 6, 2004 · Boeing 7372H4SDR YENA200326Connector · damagedRAM AIR TURBINE AUTO-DEPLOY OPERATIONAL CHECK FAILED IAW JB WORK CARD 292000-05-1. FOUND PIN 7 ON 2224VC PUSHED IN, PULLED AND RECONNECTED. OPS CHECK GOOD. REFERENCE AIRCRFT WIRING MM 24-24-04 PAGE 1.Sep 27, 2003 · N553JB · Airbus A320232SDR SIMA200333303Wire Harness · damagedCREW REPORTED AN APU FIRE WARNING ON GROUND WITH BLACK SMOKE COMING FROM EXHAUST. GROUND EMERGENCY DECLARED. NO EVIDENCE OF FIRE WAS FOUND AND APU WAS PUT ON MEL. MAINTENANCE FOUND THE APU HARNESS DAMAGED. HARNESS WAS REPLACED IAW EMB MM AND OPERATIONAL CHAug 9, 2003 · N615AE · Emb EMB145LRSDR GLBA2003117Relay · burned outPILOT REPORTS ELECTRICAL ODOR IN COCKPIT, R&R APU RELAYSAug 7, 2003 · N293UX · Emb EMB120ERSDR USAABA03022Wire Harness · failedLGW - FLT 99 EN ROUTE LGW-PHL, THE LEFT GENERATOR WENT INOPERATIVE AND COULD NOT BE RESET. THE APU WAS STARTED, BUT PERFORMED AND AUTO SHUTDOWN AFTER FIVE MINUTES OF OPERATION. FLIGHT RETURNED TO LGW. EN ROUTE BACK TO LGW, THE APU WAS RESTARTED, BUT SHUTDOWJul 2, 2003 · N673UW · Airbus A330323SDR ABXA030184Wire · damagedAPU GENERATOR FEEDER WIRE DAMAGE, CAUSED SHORT CIRCUIT TO GROUND, RESULTING ARCHING TO WIRE AND CLAMP AT STA 1788 RIGHT. REPLACED THE FEEDER WIRE FROM THE NEARBY SPLICE TO APU SHROUD CONNECTOR D 4016J, AND CLAMP. OPS CHECKED GOOD IAW B767 MM.Mar 16, 2003 · N796AX · Boeing 767281SDR SWIA200211596Wire · damagedSTARTED APU ON APPROACH AND RECEIVED A DOOR INHIBIT MESSAGE, BUT APU STILL STARTED. SHUTDOWN APU AND RECEIVED APU FIRE MESSAGE. FIRED THE FIRE BOTTLE. FOUND TB202 BLOCK 9 INTERMITTANT. REPLACED TB 202 BLOCK 9. REINSTALLED WIRES INTO BLOCK IAW WM 49-60-00.Dec 16, 2002 · N413SW · Cndair CL6002B19SDR CA020912002Wire Harness · damaged(CAN) APU FAILS TO START, NO ROTATION. AIRCRAFT RELEASED PER MEL 49-00-01. BLEED AIR VALVE CONFIRMED CLOSED. CHECKED CURRENT LIMITER AND FOUND SERVICEABLE. RERACKED ECU, NO FIX. AIRCRAFT REQUIRED TO HAVE A JET START AND GPU AT ALL STATIONS. FURTHER TROUBLE Aug 24, 2002 · Lkheed 10113853SDR CA020812003Connector · burned(CAN) ON TURNAROUND, WHEN FLT CREW SELECTED APU GENERATOR ON LINE, SEVERAL C/B,S TRIPPED. GENERATOR VOLTAGE LOW UNDER LOAD,BUT DID NOT TRIP OFF BUS. FOUND BTB TERMINAL CONNECTOR BOLT BURNED & LOOSE. BTB REPLACED. CHECKED SERVICEABLE.Aug 10, 2002 · Boeing 7372Q9SDR AALA20021076Connector · looseAPU FAULT LIGHT CAME ON AT FL320. ACCOMPLISHED APU FAULT PROCEDURE WITH RESTART AND LIGHT REMAINED ILLUMINATED. RESEATED ELECTRICAL CONNECTOR ON APU LOW OIL PRESSURE SWITCH SERVICED APU TO FULL ACCOMPLISHED GROUND CHECKS AND OIL CONSUMPTION CHECK ALL OK INSJul 26, 2002 · N361AA · Boeing 767323SDR TSA2002F00000Wire Harness · wornENROUTE , THE APU SHUTDOWN DUE TO AN OVERSPEED. THE AIRCRAFT RETURNED WITHOUT FURTHER INCIDENT. MAINTENANCE RESTARTED THE APU AND CONDUCTED AN OPERATIONAL CHECK OF THE UNIT. THE OPERATIONAL CHECK WAS GOOD AND AN OVERWEIGHT LANDING INSPECTION WAS COMPLETED. Jun 19, 2002 · N817AL · Boeing 7372X6CSDR KBMA117620Wire · brokenA/C WILL NOT ACCEPT APU POWER. REPAIRED BROKEN WIRE PG/NE INOPERATIVE IN AFT BAGGAGE COMPARTMENT.Jun 17, 2002 · N270SH · Snias AS350BASDR AALA20020437Wire · brokenDFW - FLT 745 - EN ROUTE DFW-SNA, DETECTED APU FLAME OUT WHILE LEFT GENERATOR ON MEL. RETURNED DFW AND LANDED WITHOUT FURTHER INCIDENT. REPLACED APU DOOR OPEN SENSOR WIRE. SYSTEM GROUND CHECKED NORMAL OPERATION. (M)Apr 4, 2002 · N642AA · Boeing 757223SDR BZP2003F00000Contactor · wrong partON 33/02, INSTALLED A FACTORY REPAIRED APU START CONTACTOR ASSEMBLY (PN GL51233019). UNIT ARRIVED WITH DETAILED TEST RESULTS AND 8130. UNIT WAS REPLACED DUE TO LOGO LIGHTS CAUSING CIRCUIT BREAKER TO TRIP. AFTER 1.5 WEEKS, WE NEEDED TO ADD FUEL TO THE AFT TMar 3, 2002 · N949GP · Bombdr BD7001A10SDR AUS20020107Wire · burned(AUS) APU GENERATOR FEEDER CABLE BADLY BURNED. THE CABLE WAS ALSO LOOSE WITH INSULATION MISSING.Feb 10, 2002 · Boeing 767238SDR CA011128001Connector · failed(CAN) APU CHARGER STATUS MESSAGE CIRCUIT BREAKER POPPED - ON TAXI OUT. WHEN MECHANIC RESET THE CIRCUIT BREAKER THE CONNECTOR PLUG ON TOP OF THE CHARGER CAUGHT FIRE. REPAIRED CONNECTOR PLUG BY REPINING ALL ASSOCIATED WIRES. REPLACED APU BATTERY & CHARGER. COMPONov 19, 2001 · Cndair CL6002B19SDR CA010921024Generator · failed(CAN) ON LANDING INTO YYZ, PILOT STARTED THE APU BUT COULD NOT GET APU GENERATOR ON LINE. MAINTENANCE NOTIFIED AND APU GENERATOR AND WIRING INSPECTED. IT WAS THEN DETERMINED THE WIRING AT THE FIREWALL DISCONNECT WAS BURNED AND CONNECTOR DAMAGED. AIRCRAFT WAS RSep 10, 2001 · Boeing 737201SDR UO22001F00006Wire · misinstalledPOWER AND GROUND WIRE ROUTED TO APU STARTER THROUGH FIRE WALL WER ROUTED 180 DEGREES OUT OF SEQUENCE AND CONNECTED TO WRONG SIDE OF APU STARTER. THIS CONDITION EXISTED FROM THE MANUFACTURER. ADDITIONAL WIRE MARKINGS DESIGNATING GROUND AND POWER CABLES SHOULDJul 16, 2001 · N90GX · Israel GALAXYSDR UO22001F00005Wire · misinstalledPOWER AND GROUND WIRES ROUTED TO APU STARTER THROUGH FIRE WALL WERE ROUTED 180 DEGREES OUT OF SEQUENCE AND SUBSEQUENTLY CONNECTED TO WRONG SIDE OF APU STARTER. THIS CONDITION EXISTED FROM THE MANUFACTURER. ADDITIONAL WIRE MARKINGS DESIGNATING GROUND AND POWEJul 16, 2001 · N62GX · Israel GALAXYSDR GLBA99018Wire · failedCOCKPIT FILLED WITH SMOKE DUE TO AN APU BUS MALFUNCTION FERRIED A/C TO SPW WITHOUT USE OF THE APU. FOUND WIRING W1012-W1008 TERMINAL END LOOSE, MELTED. REPLACED APU BUS CABLE. (M)Jun 7, 1999 · N267UE · Emb EMB120RTSDR CALA9700912Wire Harness · damagedTHE APU FIRE LIGHT ILLUMINATED ON SHORT FINAL INTO CLE DURING APU START. THE AIRCRAFT LANDED AT CLE WITHOUT INCIDENT. MAINTENANCE FOUND THAT THE APU HAD TORCHED ON START RESULTING IN BURN THROUGH OF HARNESS FOR TAILPIPE FIRE DETECTOR. THE APU COMBUSTOR AND TJun 17, 1997 · N33202 · Boeing 737130SDR AWXA9700325Wire · failedPRYOR TO PUSHBACK AND DURING PAX BOARDING, SMOKE WAS OBSERVED IN FORWARD CABIN AREA. BOARDING WAS DISCONTINUED AND REMAINING PAX WERE DEPLANED. APU FEEDER CABLE DAMAGED IN FIRST CLASS FORWARD CABIN RIGHT SIDE OVERHEAD BIN AREA. CABLES BURNED DUE TO CHAFED WJun 2, 1997 · N904AW · Boeing 7572S7
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