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.
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
Run it at the DuckDB prompt, or in any tool that reads Parquet over HTTPS. More ways to query the release are on Use the data.
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 SEVSDR 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 EXSDR 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 OUTSDR 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 ANSDR 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.SDR 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. WITSDR 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.SDR 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 OTSDR 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 SDR 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 PRECESDR 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.SDR 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 SDR 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.SDR 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 CRACKSDR 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.SDR 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 APSDR 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.SDR 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, PROBLESDR HALA2010042500186Apu · shutdownETOPS SIGNIFICANT SYSTEM - APU AUTO SHUTDOWN AT GATE AFTER BTB.//PERFORMED FIM 49-11-00 TEST OK NO FAULTS NOTED. OK FOR SERVICE.SDR SWIA201024042Apu · malfunctionedOIL SMELL WITH SMOKE IN CABIN. (FLT 4641) REPLACED APU.SDR FDKA2010041300075Starter Gen · malfunctionedAPU CAUSES SMOKE AND ELECTRICAL BURNING SMELL WHILE RUNNING. MX R &R STARTER GENERATOR.SDR 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 REVERSERSDR 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.SDR 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.SDR 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.SDR 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.SDR 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.SDR 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 SDR 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.SDR 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.SDR 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.SDR 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, NOSDR 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.SDR 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 BSDR 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 LSDR 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.SDR 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.SDR WX0A070520Apu · leakingSMOKE SMELL IN CABIN UTILIZING RIGHT PACK AND APU AIR SOURCE.SDR MYWA100039Apu · malfunctionedETOPS SIGNIFICANT SYSTEM - APU DROPPED OFF LINE WHEN STARTING ENGINES.SDR MYWA100032Apu · shutdownETOPS SIGNIFICANT SYSTEM - APU AUTO SHUTDOWN ON START.SDR 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 UNSDR 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.SDR 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 SPEEDSDR 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.SDR FDKA2010012700014Apu · contaminatedFUEL SMELL W/ APU ON. PERFORMED LEAK CHECK, FOUND TO BE RESIDUAL GLYCOL.SDR 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.SDR 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.SDR A6WA201040040Duct · crackedAPU UPPER INTAKE DUCT CRACKED, REMOVED AND REPLACED.SDR 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 ASDR 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.
Back to JASC 4920