JASC 4920

Service difficulty reports · 2,431

Reports filed under 4920 · APU Core Engine, 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 = '4920'
  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 UALA2010062302216B-Nut · looseAPU 3 START ATTEMPTS WITH APU FAULT EACH TIME. 99 PERCENT OF FAILED STARTS OCCUR IN DEN USUALLY OK NEXT STA CHECK ALL THE MUSCLE LINES FOR LEAKS & SECURENESS & OF SHUTTLE VALVE INDX 116. FOUND B NUT LOOSE ON SHUTTLE VALVE LINE, SECURED NUT. OPS CHECKED SEVJun 22, 2010 · N559UA · Boeing 757222SDR HALA2010062000294Exhaust Duct · leakingEVIDENCE OF EXHAUST LEAK AT APU ELBOW TO LOWER BELLOWS FLANGE AREA. FOUND SEARED BOLTS ON ELBOW FLANGE. REMOVED ELBOW. FOUND ELBOW FLANGE CRACKED 360 DEGREES. REMOVED 5 EA NUT PLATES WITH SHEARED STUDS AND REPLACED NUT PLATES. INSTALLED ELBOW ASSY IN THE EXJun 20, 2010 · N486HA · Boeing 717200SDR DALA1013010926Inlet · contaminatedAFTER TAKEOFF FLIGHT CREW NOTICED ODOR IN THE CABIN, F/A REPORTED GRAY HAZE IN THE PASSENGER CABIN WITH AFT LAVATORY SMOKE DETECTOR SOUNDING. FLIGHT CREW RETURNED ACFT TO MSP. FOUND APU INLET SOAKED WITH OIL PLACED APU ON MCO. ACCOMPLISHED FULL DUCT BURN OUTJun 13, 2010 · N926DL · Doug MD88SDR YENA20100612087Burner Can · crackedFLT 462 RSW-BOS ON GROUND CHECK, WHILE PERFORMING DEGREASING OF APU ENGINE DURING APU OPERATION, OPEN FLAME WAS DETECTED COMING FROM TOP BURNER CAN AREA. ON SHUT DOWN FOUND CRACK IN CAN AREA. REMOVED AND REPLACED APU. NOTE: HAMILTON SUNDSTRAND CONFIRMED ANJun 12, 2010 · N289JB · Emb ERJ190100IGWSDR AALA20100608DFW14Apu · dirtyDFW - CREW REPORTED SMOKE ODOR IN AFT CABIN AFTER TAKEOFF. FLIGHT RETURNED DFW LANDED WITHOUT INCIDENT. AIRCRAFT REMOVED FROM SERVICE. ACCOMPLISHED AUXILIARY POWER UNIT WASH AND PACK BURN. NO ODORS NOTED. SYSTEM GROUND CHECKED NORMAL OPERATION.Jun 8, 2010 · N466AA · Doug DC982SDR USAA2010060791065Apu · leakingFLT 1022- HEAVY OIL ODOR IN CABIN WRITE UP. FOUND EVIDENCE OF OIL LEAKING FROM WITNESS DRAIN. ANOTHER ODOR EVENT OCCURRED ON JUNE 9 - APU MAKING OIL SMELL IN CABIN. REMOVED AND REPLACED APU PER JOB CARD 26L31049001. OPERATIONAL AND LEAK CHECKED GOOD. WITJun 6, 2010 · N737US · Airbus A319112SDR UALA2010060101890Control Valve · faultyAPU SHUTDOWN DURING ENGINE START RT AFTER BOTH PACKS WERE TURNED OFF. REPLACED INLET TEMP SENSOR AND APU OPERATES NORMAL WITH LOAD ON AND OFF. AFTER AUTO SHUTDOWN AGAIN REPLACED SURGE VALVE AND FLOW CONTROL MODULE. OPS CHECKS GOOD.May 29, 2010 · N677UA · Boeing 767322SDR HNAA2010050100147Apu · smokeON TOUCH DOWN, DC BUSS FAULT CAUTION LIGHT ILLUMINATED DURING TAXI. NR 2 DC GENERATOR CAUTION LIGHT ILLUMINATED, ON APPLYING GPU, SMOKE CAME FROM APU BAY AREA. DEACTIVATED APU START CONTACTOR IAW SP 49.1. POWERED ACFT FROM GPU AND GROUND RAN ENGINES, ALL OTMay 27, 2010 · N330EN · Dhav DHC8103SDR USAA2010052891039Engine · leakingFLT 544 PDX-PHX - CABIN ODOR - CABIN HAS VERY BAD DIRTY SOCK SMELL COMING FROM PACKS, FIRST ON TAKEOFF, THEN AGAIN ON DESCENT INTO PHX. SMELL IS WORSE WITH THE ENGINE HP VALVES OPEN. APU WAS DETERMINED TO BE THE SOURCE. MAINTENANCE REMOVED AND REPLACED THE May 26, 2010 · N627AW · Airbus A320231SDR DJFA2010011Shroud · crackedDURING A SCHEDULED INSPECTION, MAINTENANCE DISCOVERED A LARGE CRACK ON THE APU COMPRESSOR CASE HOUSING. PER THE APU OEM, THIS CRACK IS THE RESULT OF A FAILED WELD AND IS A KNOWN CONDITION THAT EXISTS ON AN UNDISCLOSED NUMBER OF UNITS. THE DISCOVERY WAS PRECEMay 20, 2010 · N925FL · Emb EMB135BJSDR UALA2010051701656Apu · faultyAPU WOULDN'T START. 2 ATTEMPTS. SPOOLED UP TO 14PCT THEN SHUTDOWN. SPOOLED UPTO 14PCT THEN SHUTDOWN. APU NO LIGHT OFF. DUE TO CHRONIC ASD-OPS OK & ODOR IN CABIN. REPLACED APU, OPS CK'S GOOD.May 15, 2010 · N120UA · Boeing 747422SDR HALA2010051500214Apu · malfunctionedETOPS SIGNIFICANT SYS - AFTER LANDING APU WILL NOT START "APU FAULT" EICAS MESSAGE. T/S IAW FIM 49-11-00/100, FIG 103 NO MINI FLAG PRESENT AND NO CURRENT OR PAST FAULT INDICATED, PERFORMED (2) SUFFESSFUL STARTS AFTER BITE CK, NO PROBLEMS NOTED, POSSIBLE COLD May 15, 2010 · N592HA · Boeing 7673CBSDR USAA2010051490960Apu · odorFLT 614 CABIN ODOR - A HEADACHE AND NAUSEA-INDUCING ODOR PERVADES THE CABIN. MAINTENANCE REPLACED THE APU. TEARDOWN REPORT COULD NOT CONFIRM CAUSE FOR SMELL IN CABIN - APU SHOWED SIGNS OF FOREIGN INGESTION.May 13, 2010 · N620AW · Airbus A320231SDR JO0M200810280001ACombust Chamber · crackedAPU START TEMPERATURE HAD INCREASED INTO THE YELLOW AREA ON HOT DAY STARTS AND MAINTENANCE WAS TRENDING THIS FOR ABOUT TWO WEEKS WHEN ON THE FIRST START OF THE DAY, MAY 6,2010,THE CREW EXPERIENCED A HUNG START AND NO LIGHT OFF. TROUBLESHOOTING REVEALED A CRACKMay 11, 2010 · N983JC · Emb EMB135LRSDR UALA2010050601531Apu · malfunctionedSTRONG ODOR THROUGHOUT PLANE WITH APU BLEED AND PACKS ON. APU BILLOWING SMOKE. CABIN HAS SMOKEY OILY ODOR. REPLACED APU PER MM. OPS CHECK GOOD.May 5, 2010 · N803UA · Airbus A319131SDR USAA20100505SB068Apu · leakingCLT - FLIGHT ATTENDANTS REPORTED AN ODOR / DIRTY SOCK SMELL IN THE CABIN. MAINTENANCE ISOLATED THE ODOR TO THE APU RUNNING. OIL WAS FOUND ON THE APU TURBINE BLADES. MAINTENANCE REMOVED AND REPLACED THE APU ASSEMBLY PER JOB CARD 03L70349006 ALONG WITH THE APMay 2, 2010 · N458UW · Boeing 7374B7SDR UALA2010050301495Apu · making metalMID BEARING SCAV CHIP DETECTOR HAS LARGE DARK CHUNKS OF PARTICLES ON IT. THIS IS THE APU MID BEARING SCAVENGE CHIP DETECTOR. APU REPLACED PER MM.May 2, 2010 · N214UA · Boeing 777222SDR UALA2010042701405Thermal Bypass · faultyAPU AUTO SHUTDOWN. MAT SHOWS 49-10260, HIGH OIL TEMP. RE-STARTED WITH SAME RESULTS. REPLACED OIL FILTER, CHANGED OIL IN APU. CHECKED CHIP DETECTORS. LEAK CHECKED OKAY. RAN APU FOR AN HOUR, NO PROBLEMS FOUND, GROUND CHECK NORMAL. PERFORMED PER MM, PROBLEApr 25, 2010 · N781UA · Boeing 777222SDR HALA2010042500186Apu · shutdownETOPS SIGNIFICANT SYSTEM - APU AUTO SHUTDOWN AT GATE AFTER BTB.//PERFORMED FIM 49-11-00 TEST OK NO FAULTS NOTED. OK FOR SERVICE.Apr 25, 2010 · N598HA · Boeing 767332SDR SWIA201024042Apu · malfunctionedOIL SMELL WITH SMOKE IN CABIN. (FLT 4641) REPLACED APU.Apr 14, 2010 · N440SW · Cndair CL6002B19SDR FDKA2010041300075Starter Gen · malfunctionedAPU CAUSES SMOKE AND ELECTRICAL BURNING SMELL WHILE RUNNING. MX R &R STARTER GENERATOR.Apr 13, 2010 · N837MJ · Emb EMB145LRSDR AALA20100406TUL03Apu · malfunctionedBHM - CREW REPORTED ODOR OF SMOKE AND ELECTRICAL FUMES IN AFT PORTION OF CABIN. EMERGENCY DECLARED RETURNED BHM LANDED WITHOUT INCIDENT. AIRCRAFT REMOVED FROM SERVICE. FLIGHT FERRIED TO LGA FOR REPAIRS. FOUND HYDRAULIC LEAK COMING FROM LEFT THRUST REVERSERApr 6, 2010 · N451AA · Doug DC982SDR HALA2010040500152Engine · malfunctionedETOPS SIGNIFICANT SYS - ACFT DIVERTED - APU FAULT LIGHT IN FLIGHT WITH APU SHUTDOWN. BITE CK FAULT MSG LOW OIL PRESS. R & R THE APU IAW HAL M266-767. OPS CHECK NORMAL,OK FOR SERVICE.Apr 5, 2010 · N596HA · Boeing 767332SDR UALA2010032901030Apu · faultyAPU HOC T-S. DUE TO APU OIL USAGE TRENDING UP & TO AVOID DELAYS OR CNX'S, TROUBLESHOOT HIGH OIL CONSUMPTION. 300A. IF NOTHING FOUND. NEED TO REPLACE APU. REPLACED APU. ACCMP'D SUCCESSFUL INFLIGHT APU ALTITUDE START.Mar 27, 2010 · N549UA · Boeing 757222SDR HALA2010032700137Apu · failedETOPS SIGNIFICANT SYS - APU FAILED TO START AFTER LANDING. OIL QTY INITIALLY INDICATE .75 THEN AFTER SEVERAL MINUTES FULL. R & R APU IAW HAL M266-767 GND OPS CHECK & LEAK CHECKS OK.Mar 27, 2010 · N588HA · Boeing 7673CBSDR A6WA201040232Apu · odorAFTER APU START-UP, JET A SMELL IN COCKPIT. R & R NR 1 PACK COALESCER IAW AMM 21-51-13. OPS CK GOOD, SUSPECT APU OIL OVERSERVICED, CLEANED UP OIL, NO LEAKS NOTED.Mar 23, 2010 · N441ZW · Cndair CL6002B19SDR ASAA1057588Apu · making metalAPU FAULT LIGHT ILLUMINATED AFTER LOAD APPLIED TO APU. PERFORMED APU BITE TEST. MAINT MSG 49 94299 STARTER GEN OIL FILTER CLOGGED. FOUND METAL PARTICLES FROM MAGNETIC DRAIN PLUG. REPLACED APU FER T/C 78349010 AND MM 49 11 00 400 802.Mar 23, 2010 · N562AS · Boeing 737890SDR HALA2010032100127Apu · malfunctionedETOPS SIGNIFICANT SYSTEM - APU FAILED TO START AFTER TWO ATTEMPTS. BOTH APU START ATTEMPTS MADE AFTER A/C TURNED TAIL INTO THE WIND ALLOWED APU TO DRY. CHECKED & SERVICED OIL. ADDED 1.5 PINTS, OK. SECURED OIL CAP. ACCOMPLISHED BITE CHECK PER FIM 49-11-00 Mar 21, 2010 · N587HA · Boeing 76733AERSDR HALA2010031800122Apu · malfunctionedETOPS SIGNIFICANT SYSTEM - APU FAULT APU DID NOT START WHILE TAXI UPON ARRIVAL. OPERATIONAL CHECK PERFORMED. APU OK FOR SERVICE REF: FIM 49-11-00/101 FIG 103 AMM TASK 49-11-00-802-002.Mar 18, 2010 · N583HA · Boeing 76733AERSDR A6WA201040227Apu · odorAFTER TRANSFERRING BLEEDS OT APU, SMOKE ENGULFED THE COCKPIT AND CABIN AREA, REQUEST INSP. FOUND ODOR TO BE PRESERVATIVE OIL USED IN APU. PERFORMED OPS CK OF LT/RT ACM`S. RAN ACM`S TO BURN RESIDUAL PRESERVATIVE OIL. NO ODOR NOTED AT THIS TIME.Mar 17, 2010 · N464AW · Cndair CL6002B19SDR VNAA2010031700007Apu · seizedCREW REPORTED AN APU FAULT MESSAGE, PLUS A STRONG BURNING ODOR, DURING LANDING ROLLOUT AT DCA. MAINTENANCE INSPECTED THE AIRCRAFT, REMOVED AND REPLACED THE APU AND PERFORMED CHECKS USING THE AIRCRAFT MAINTENANCE MANUAL. AIRCRAFT WAS RELEASED FOR SERVICE.Mar 12, 2010 · N229PS · Cndair CL6002B19SDR HALA2010031100100Apu · shutdownETOPS SIGNIFICANT SYSTEM, ON TAXI IN APU AUTOSHUT DOWN SUCCESSFULLY RESTARTED. CHECKED OIL QTY FOUND FULL, PERFORMED APU BIT CK ON ECU PER FIM 49-11-00-1 FIG 103. FOUND NO PREVIOUS FAULTS OR CURRENT FAULTS AND MINI FLAGS CK OK. STARTED APU SEVERAL TIMES, NOMar 11, 2010 · N588HA · Boeing 7673CBSDR USAA2010022690458Apu · leakingFLT 351 - PHX - CABIN ODOR - DIRTY SOCK / OIL SMELL REPORTED IN CABIN. TROUBLESHOOTING DETERMINED THE APU TO BE THE SOURCE OF THE SMELL. MAINTENANCE REPLACED THE APU.Feb 25, 2010 · N650AW · Airbus A320232SDR UALA2010022600712Controller · faultyAPU FAILED TO START. UNABLE TO UNLATCH IAW FIM DUE TO LACK OF AIRSTART AVAILABILITY. IT S/B NOTED THAT CHECK VALVE REPLACED ON 9TH FEB & HAS CAUSED THIS PROBLEM SINCE FITTMENT. PLACED BLEED OFF & STARTED APU ELECTRICALLY BUT WHEN BLEED VALVE OPENS GET APU BFeb 25, 2010 · N786UA · Boeing 777222SDR COMA2010022450045Apu · malfunctionedDURING ENGINE NR 2 START LOSS OF ELECTRICAL, SWITCHED GENERATOR TO ENGINE NR 2. APU EMITTED SMOKE AND FLAME, APU EGT AT 918C. SHUTDOWN APU IMMEDIATELY, STRONG BURNING SMELL IN COCKPIT. EMERGENCY DECLARED, A/C RETURNED TO GATE. TRANSFERRED APU TO DEFERRED LFeb 23, 2010 · N436CA · Cndair CL6002B19SDR HNAA2010022400034Apu · odorSTRONG FUEL OIL ODOR IN CABIN AND COCKPIT. MX INSPECTED AND WITH BLEEDS ON, ADVISED A STRONG FUEL ODOR FROM THE APU IN THE CABIN AND COCKPIT.Feb 20, 2010 · N914HA · Dhav DHC8102SDR USAA2010021990405Apu · malfunctionedFLT 347 - PVR - ODOR - APU BLEED EMITS STRONG ODOR. FLIGHT ATTENDANTS COMPLAIN OF HEADACHES. REMOVED AND REPLACED APU (AUXILIARY POWER UNIT). OPERATIONAL CHECK WAS GOOD. FOUND APU AS THE SOURCE OF ODOR. APU INFORMATION UPDATED TO COMPLETE REPORT.Feb 18, 2010 · N813AW · Airbus A319132SDR WX0A070520Apu · leakingSMOKE SMELL IN CABIN UTILIZING RIGHT PACK AND APU AIR SOURCE.Feb 16, 2010 · N403NV · Doug MD88SDR MYWA100039Apu · malfunctionedETOPS SIGNIFICANT SYSTEM - APU DROPPED OFF LINE WHEN STARTING ENGINES.Feb 14, 2010 · N753MA · Boeing 73748ESDR MYWA100032Apu · shutdownETOPS SIGNIFICANT SYSTEM - APU AUTO SHUTDOWN ON START.Feb 8, 2010 · N738MA · Boeing 7378Q8SDR AALA20100208STL01Apu · faultySTL - INFLIGHT ORD-DFW. CREW REPORTED 2 AFT LAVATORY SMOKE DETECTORS ALARMED THEN SMOKE DEVELOPED ON THE CABIN NEAR ROWS 9 TO 14. EMERGENCY DECLARED FLIGHT DIVERTED STL LANDED WITHOUT INCIDENT. AIRCRAFT REMOVED FROM SERVICE. FOUND OIL IN AUXILIARY POWER UNFeb 7, 2010 · N678AN · Boeing 757223SDR USAA2010020890297Apu · leakingFLT 210 - SMF-PHX - ODOR - WITH APU BLEED ON AND BOTH PACKS ON, AIRCRAFT SMELLS OF DIRTY SOCK SMELL. SMELL COMING FROM THE APU. REMOVED AND REPLACED APU PER CARD R6D49301. OPERATIONAL CHECK WAS GOOD.Feb 6, 2010 · N835AW · Airbus A319132SDR AALA20100201TUL08Apu · failedSDF - INFLIGHT CMH-DFW. CREW REPORTED AUXILIARY POWER UNIT FAILED IN FLIGHT WITH RIGHT ENGINE DRIVEN GENERATOR PLACARD PER MEL REF 24-01B. EMERGENCY DECLARED DIVERTED SDF LANDED WITHOUT INCIDENT. AIRCRAFT REMOVED FROM SERVICE. REPLACED RIGHT CONSTANT SPEEDJan 31, 2010 · N9615W · Doug DC983SDR FDKA2010012800018Apu · contaminatedSTRONG FUEL SMELL AFTER APU START. SMELL IS ONLY NOTICEABLE ON FIRST START. POSSIBLE LEAKING FUEL SOLENOID 161797-1 OR START 161797-2 ON REQ TO CLT PURGE EXCESSIVE DE-ICE FLUID IN APU COMPARTMENT, OPS CHECK, NO FUEL SMELL.Jan 28, 2010 · N829MJ · Emb EMB145LRSDR FDKA2010012700014Apu · contaminatedFUEL SMELL W/ APU ON. PERFORMED LEAK CHECK, FOUND TO BE RESIDUAL GLYCOL.Jan 27, 2010 · N831MJ · Emb EMB145LRSDR COMA2010012550023Apu · seizedDURING TAXI APU SEIZED AND SHUT DOWN WITH A PUNGENT ELECTRICAL SMELL. SMOKE EXITING FROM APU DOOR. RECEIVED APU FAULT CAUTION MSG. REMOVED AND REPLACED APU.Jan 23, 2010 · N958CA · Cndair CL6002B19SDR USAA2010012290162Apu · leakingFLT 363 - PHX - CABIN ODOR - OILY, DIRTY SOCK SMELL NOTICED FROM PACKS WITH APU ON, MOSTLY DURING CRUISE AND DESCENT. MAINTENANCE REMOVED AND REPLACED THE APU.Jan 21, 2010 · N830AW · Airbus A319132SDR A6WA201040040Duct · crackedAPU UPPER INTAKE DUCT CRACKED, REMOVED AND REPLACED.Jan 18, 2010 · N410AW · Cndair CL6002B19SDR WX0A070511Apu · malfunctionedFLIGHT CREW REPORTED WHILE TAXING TO GATE AFTER LANDING IN SGF AND SWITCHING AIR CONDITIONING PACK TO THE APU THE CABIN FILLED WITH HAZE AND STENCH. MAINTENANCE DEPARTMENT PERSONNEL INSPECTED THE AIRCRAFT AND REMOVED AND REPLACED THE APU ASSY, IAW ALLEGIANT AJan 18, 2010 · N407NV · Doug DC982SDR UALA2010011800211Combust Chamber · damagedAPU LIMIT MSG DURING ENG START. DIS-CONNECTED APU THRU STEP NR 2.G. FOUND 2" HOLE ON SIDE OF COMBUSTION SECTION OF APU. LOWER LT SIDE. REPLACED APU, OPS CK AND LEAK CK GOOD.Jan 17, 2010 · N773UA · Boeing 777222
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