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 DXTA2017033106391Apu · cokedWHEN HEAT CAME ON AT CRUISE ALTITUDE, A VERY STRONG BURNED OIL ODOR COMES OUT OF THE VENTS. HAD TO TURN THE HEAT DOWN TO AN UNCOMFORTABLY COOLER TEMPERATURE TO REDUCE THE ODOR. TROUBLESHOT THE OIL ODOR, REMOVED THE INLET TO THE APU AND BORESCOPING THE INTAKE ASDR AALA201703319001Apu · contaminatedAFTER DEPARTURE, THE CABIN HAD AN ODOR OF DIRTY SOCKS. FOUND APU CONTAMINATED, PERFORMED AN APU WASH, NO ODOR AT THIS TIME. AIRCRAFT WAS GROUNDED.SDR 2017FA0000149Apu · overspeedAPU OVERSPEEDSDR AALA201703289025Apu · odorAIRCRAFT WAS GROUNDED. F/A REPORTED BURNT ELECTRICAL SMELL MID PASSENGER CABIN. MAINTENANCE REPLACED APU PER TASK CARD 26L31049003.SDR A6WA201744865Apu · malfunctionedAPU FIRE MESSAGE, FOLLOWED BY APU AUTO SHUTDOWN. REMOVED AND REPLACED THE APU IAW TASK CARD , SUP 13-005 AND AMM 49-10. OPS AND LEAK CHECKED GOOD.SDR IPXA2017031715244Apu · inoperativeAFTER LANDING, ATTEMPTED TO START APU. APU DID NOT START AND APU FAULT EICAS ILLUMINATED. OPEN.SDR ASAA2017031620218Apu · faultyERRATIC CT5AP READINGS. GROUNDED - YES. REMOVED AND INSTALLED APU, REF AMM 49-11-00. OPS TEST GOOD, REF AMM 49-11-00-710-801.SDR ASAA2017031520185Apu · faultyON PREFLIGHT WE FOUND APU SWITCH ON BUT APU NOT RUNNING. AFTER FIRST APU START, APU AUTO-SHUTDOWN AND FAULT LIGHT ILLUMINATED. RAN QRH, WAITED FIVE MINUTES FAULT LIGHT EXTINGUISHED. STARTED APU SECOND TIME AND SAME RESULTS, AUTO SHUT-DOWN AND FAULT LIGHT ILLUMSDR AALA201703139028Apu · odorAIRCRAFT WAS GROUNDED. ODOR REPORTED ON APPROACH BY FLIGHT ATTENDANT AT APPROX. 3000' AGL. NOTICED A MUSTY DIRTY SOCKS ODOR IN THE COCKPIT AT THE SAME TIME AFTER LANDING FLIGHT ATTENDANT REPORTED BURNING SENSATION IN NOSE. FOUND EXTERNAL LEAK ON APU AND EVIDENSDR FDEA201703030770Apu · making metalAPU FAILED IN FLIGHT. RESET, AND IT FAILED AGAIN. ATTEMPTED RUN/LEAK CHECK, APU WOULD NOT RUN. INTEROGATED ECU AND FOUND LOW OIL PRESSURE FAULT AGAIN. INSPECTED GEAR BOX MAGNETIC CHIP DETECTOR IAW AMM 49-27-04-2, FOUND METAL SHAVINGS. REINSTALLED MCD. RESDR AALA201703059008Apu · odorAIRCRAFT WAS GROUNDED. AT MCO, FLIGHT ATTENDANTS REPORTED CABIN ODOR ON DESCENT PASSING THROUGH 8,000 FEET. MAINTENANCE FOUND STRONG CABIN ODOR WITH ENGINE BLEED OFF APU ON. SOURCE OF ODOR ISOLATED TO APU ON FERRY FLIGHT FROM MCO TO CLT. MAINTENANCE REPLACED ASDR P5CA2017022600068Apu · shutdownAPU AUTOSHUTDOWN. RPL APU PER CONTROL 7018, JC71071 AND AMM 49-11-01. OPERATION CHECK OK & NO LEAK.SDR AALA201702249015Apu · odorAT THE TERMINATION OF THIS FLIGHT IN CLT THE FLIGHT ATTENDANT STATEDED THERE WERE FUMES IN THE CABIN ON TWO OF THE THREE FLIGHTS PRIOR TO OURS. MAINTENANCE FOUND OIL LEAK AT APU TURBINE AREA. AIRCRAFT WAS GROUNDED. THE APU WAS REPLACED.SDR GTIA2017021401787Apu · malfunctionedFLIGHT ATTENDANTS REPORT STRONG FOUL SMELL IN AFT PART OF AIRCRAFT. FAULT CAUTIONS ASSOCIATED WITH OPERATIVE SIDE NOT DISPLAYED. REACTIVATED NR 2 PACK IAW AMM 21-51-00. OPS CK'S NORMAL REF ITEM 2171858-1. APU CHANGE AND PERFORMED DECONTAMINATION OF ESC IAW AMMSDR AALA201702149014Apu · odorBAD ODOR FROM THE VENTS WHEN THE APU IS RUNNING AND THE APU BLEED IS ON. APU OIL LEAK. REPLACED APU ASSEMBLY. AIRCRAFT WAS GROUNDED.SDR GTIA2017021201783Apu · contaminatedFLIGHT ATTENDANTS REPORT A STRONG DIRTY SOCK ODOR IN CABIN DESCENDING AFTER 10,000FT IAW CABIN ODOR SHEET AND TSM 05-50-00-810-830. ODOR POINTED TO APU. INSPECTED APU FOUND EVIDENCE OF DE-ICE FLUID AT THE INTAKE AND BOTTOM OF APU DOORS CLEANED ARE AND PERFORMSDR A6WA201744787Apu · malfunctionedDURING FLIGHT, APU DID NOT START ON FIRST ATTEMPT, STARTED ON SECOND ATTEMPT. AFTER TRANSFER OF 10TH STAGE BLEED THERE WAS A STRONG FUEL AND FUMES ODOR. SHUTDOWN APU, ODOR CLEARED AFTER SEVERAL MINUTES.SDR UIEA2017011300031Chip Detector · unknownSEND OUT APU COMPRESSOR BEARING CHIP DETECTOR FOR EVALUATION BY POWER PLANT ENGINEERING DUE TO SILVER CHIPS ON PROBE.SDR 2017FA0000220Generator · unserviceableTHE PLASTIC MATERIAL DISCOVERED IN THE GENERATOR OIL FILTER AS REFERENCED IN THE ORIGINAL REPORT WAS DETERMINED TO BE PLASTIC BLANKING CAPS INSTALLED ON THE APU GENERATOR GENERATOR SUPPLY / RETURN PORTS WHICH WERE NOT REMOVED DURING INSTALLATION OF A GENERATOSDR AALA201701199001Apu · leakingAIRCRAFT WAS GROUNDED. ON INITIAL CLIMBOUT STRONG ODOR OF ELECTRICAL OR DIRTY SOCK DETECTED IN FLIGHT DECK AND REPORTED BY FLIGHT ATTENDANT THROUGHOUT CABIN. SLIGHT DISSIPATION ABOVE 10000 FEET. DECLARED AN EMERGENCY ODOR REOCCURRED ON RETURN DESCENT INTO AIRPSDR AALA201701179021Apu · leakingAIRCRAFT WAS GROUNDED: FLIGHT CREW REPORTED VERY STRONG FUMES IN THE AIRCRAFT COCKPIT AND IN CABIN. MAINTENANCE FOUND OIL RESIDUE ON THE APU AND THE INLET AREA AND REMOVED THE OIL RESIDUE. A SATISFACTORY LEAK AND OPERATIONAL CHECK WAS ACCOMPLISHED WITH NO ODORSDR AALA201701139001Apu · leakingAIRCRAFT WAS GROUNDED. CABIN ODOR REPORTED IN AFT GALLEY, ELECTRICAL IN NATURE AND INTERMITTENT. IN CRUISE FL320 TURNED OFF CABIN FANS, NO REAL CHANGE, ODOR CONTINUED INTERMITTENTLY THRU SHUTDOWN AT GATE. MAINTENANCE RESEALED OIL LEAK AT FUEL CONTROL GEARBOX MSDR AALA201701129025O-Ring · leakingDIRTY SOCK ODOR IN THE CABIN DURING TAKE OFF-CLIMB OUT. NO ODOR DURING CRUISE. AIRCRAFT WAS GROUNDED. MAINTENANCE FOUND APU LEAKING OIL AT APU GENERATOR SEAL PLATE. MAINTENANCE REMOVED THE GENERATOR, REPLACED O-RING AND SEAL PLATE AND REINSTALLED GENERATOR SDR AALA20170110024Apu · faultyAIRCRAFT WAS GROUNDED. ODOR OF OIL IN CABIN AND COCKPIT AFTER APU START. ODOR DISSIPATES AFTER SEVERAL MINUTES. REMOVED AND REPLACED AUXILIARY POWER UNIT. OPERATIONAL CHECK GOOD.SDR 2017FA0000033Apu · failedCREW COMPLAINED OF SLIGHT BURNED OIL ODOR IN THE CABIN AFTER STARTING APU AND OPENING APU BLEED VALVE. ODOR WENT AWAY AFTER A SHORT PERIOD OF TIME. AFTER FLIGHT, MAINTENANCE PERFORMED A BORESCOPE INSPECTION OF THE APU INLET AND FOUND DAMAGED IMPELLER BLADES SDR AALA201701209024Apu · odorFLIGHT ATTENDANT REPORTS WET SOCKS, MUSTY ODOR WHICH IS WORSE AT L2 DOOR. ODOR SEEMED TO GET LESS WITH RIGHT PACK OFF. TURNED RIGHT BLEED OFF. ODOR CAME BACK AT LOW THRUST DURING DESENT. AIRCRAFT WAS GROUNDED. MAINTENANCE REPLACED THE NR 1 ENGINE AND THE APUSDR AALA201701099007Seal · leakingOIL ODOR IN AIR CONDITIONED SYSTEM NOTICEABLE WITH APU BLEED ON OR OFF. AIRCRAFT WAS GROUNDED. SERVICED OIL LEVELS AND REPLACED APU GENERATOR MOUNT PAD SEAL ACCOMPLISHED SATISFACTORY OPERATIONAL CHECK.SDR DALA2017010400078Apu · contaminatedDURING THE BOARDING PROCESS, THE CREW NOTIFIED MAINTENANCE OF A BURNING SMELL IN THE CABIN. THE APU WAS RUNNING AND THE PACKS WERE BEING OPERATED TO WARM THE CABIN. MAINTENANCE FOUND THE APU INLET CONTAMINATED WITH DE-ICE FLUID. THE APU INLET AND DOOR ASSEMBLYSDR AALA201701049001Apu · leakingFUMES ODOR IN CABIN AT START OF DESCENT. MAINTENANCE DETERMINED THE APU WAS THE SOURCE OF THE ODOR DUE TO OIL LEAKS. REPLACED APU PER JOB CARD 26L31049003. ACCOMPLISHED DECONTAMINATION OF ENVIRONMENTAL CONTROL SYSYEM AND SATISFACTORY OPERATIONAL CHECK.SDR DALA2016122610087Engine · contaminatedAFTER TAKE OFF AND ACTIVATION OF AIRFOIL ICE SMOKE HAZE FILLED CABIN AND COCKPIT AFT LAV FIRE DETECTOR ACTIVATED SMOKE DISSIPATED AFTER SELECTING ICE PROTECTION OFF.PREFORMED AIRFOIL ANTIICE OPERATION IAW AMM 30-10. NO SMOKE WAS FORMED IN CABIN NOW FUEL OIL/SWSDR FDEA201612224521Apu · failedON PRE-FLIGHT WITH APU RUNNING SMOKE ENTERED FLIGHT DECK AND ALL AIR CONDITIONING DUCTS. SPARKS WERE SEEN EXITING APU EXHAUST AREA. APU FIRE HANDLE WAS PULLED AND BOTH FIRE BOTTLES WERE DISCHARGED. INSTALLED APU PER W/C 49T1901, APU OPS CHECKED GOOD WITH NO DESDR HALA2016122100558Apu · failedOIL LEAKING FROM APU DRAIN AS WELL AS BLACK SMOKE OUT OF THE TAIL PIPE WHILE OPERATING. TROUBLESHOT IAW FIM 49-11-00, FOUND OIL IN THE TAIL PIPE INSPECTED CHIP DETECTORS & FOUND METAL ON RT DETECTOR. R & R THE APU ,OPS CKS GOOD IAW AMM 49-11-01-004-001, & 49SDR AALA201612199006Apu · sparksSEVERAL GROUND CREW MEMBERS OBSERVED SPARKS COMING OUT OF APU EXHAUST. AIRCRAFT WAS GROUNDED. REPLACED APU.SDR AALA201612139006Apu · odorAIRCRAFT WAS GROUNDED. THERE IS A SMELL IN THE AIR WHEN THE PACKS ARE ON. IT DOES SMELL LIKE AN EXHAUST SMELL. HARD TO TELL FOR SURE. REPLACED APU ASSEMBLY PER JOB CARD 26L31049003.SDR UIEA2016120900995Engine · malfunctionedAPU WOULD NOT START AFTER LANDING, APU FAULT. CLEARED THE FAULT AND OPS CHECKED THE APU IAW 49-00-00. NO DEFECTS NOTED.SDR FDEA201612074347Warning Light · false activationENROUTE, FOLLOWING 24-00-01-01 WHICH REQUIRES RUNNING APU FOR SECOND GEN DUE TO INOPERATIVE LT GEN. APPROX 2 1/2 HOURS INTO FLIGHT "ADD OIL" APU STATUS MESSAGE APPEARED. ABOUT 15 MIN LATER, THE APU FAULTED AND SHUTDOWN. FOLLOWED QRH AND ATTEMPTED ONE START. ASDR HNAA2016120500376Apu · failedAPU FAILED AFTER 20 MINUTES RUNNING TIME WITH BLEEDS OPEN AND CABIN PACK RUNNING.TRIGGERED CHECK FIRE DETECT WARNING LIGHT. AFTER SHUTDOWN. INSPECTED APU COMPARTMENT. NO DAMAGE FOUND.SDR AALA201611309018Apu · leakingAIR CONDITIONING SYSTEM DISTRIBUTING A "SWEATY SOCK" AROMA. TROUBLESHOOT CABIN AIR QUALITY,26L00021002. APU SMELL IN CABIN AND 26L00021004- DECONTAMINATION OF THE ENVIRONMENTAL CONTROL SYSTEM (ENGINES AND APU). REPLACED APU. THE AIRCRAFT WAS GROUNDED.SDR UIEA2016112800907Pressure Switch · failedAPU ECU DISPLAYS MINI FLAG. REMOVED & REPLACED THE GCU DIFFERENTIAL PRESSURE SWITCH IAW MM 49-27-15. OPS AND LEAK CHECKED GOOD.SDR GTIA2016112801675Apu · odorFUME EVENT NOTED INITIALLY AT TOP OF DESCENT FOR 1-2 MIN THEN C LEVEL OFF 6000 WITH ADVANCEMENT OF POWER COMPLETED ELIMINATION OF ODOR FUME IN COCKPIT CABIN CHECKLIST COULD NOT DETERMINE WHICH ENG. PAC SMELL WAS COMING FROM MAYBE BOTH FUMES IN COCKPIT AND CABISDR DXTA2016112606332Apu · odorPAX COMPLAINED OF ODOR IN THE CABIN. REMOVED AND REPLACED APU, AND REMOVED AND REPLACED COALESCER SOCK.SDR DXTA2016112306331Apu · odorON GROUND AND DURING FLIGHT ACFT HAS STRONG ODOR OF FUMES. THIS IS VERY NOTICEABLE WHILE RUNNING APU. FUMES SEEM TO DISPARATE SOME AFTER APU SHUTDOWN HOWEVER ODOR IS STILL PRESENT FOR REMAINDER OF FLIGHT. REMOVED AND REPLACED THE APU.SDR HNAA2016111100348Apu · failedAPU FAILED AFTER 30 MINUTES. CHECK FIRE DETECTOR, LIGHT ILLUMINATED. MAINTENANCE VERIFIED BOTTLE DISCHARGED AND RED FUSELAGE DISC BLEW.SDR AALA201611089011Apu · leakingAIRCRAFT WAS GROUNDED. STRONG DIRTY SOCK SMELL THROUGHOUT CABIN WHEN APU BLEED TURNED ON. MAINTENANCE FOUND APU LEAKING INTERNALLY. REPLACED APU PER JOB CARDS 26L00201001, 26L00021002 AND 26L00021004.SDR AALA20161104026Apu · odorAIRCRAFT WAS GROUNDED. DURING TAXI AND CLIMB A MODERATE "DIRTY SOCK" ODOR WAS REPORTED. REMOVED AND REPLACED APU IAW AMM 49-94-11. (OPEN)SDR FDEA201610293745Switch · failedDURING CLIMBOUT PASSING FL 210, APU FAULTED. QRH COMPLETE, UNABLE RESTART, SINGLE GENERATOR OPS. TROUBLESHOT IAW FIM TASK 49-11-00-990-849 FIG 104. FOUND BROKEN WIRE AT APU INLET DOOR SWITCH. REPLACED INLET DOOR SWITCH IAW AMM 49-15-02 & SWPM 20-30-12. OPSDR UIEA2016101500810Apu · failedAPU AUTO SHUTDOWN NO RESTART. REMOVED AND REPLACED THE APU ASSY IAW AMM 49-11-01. OPS AND LEAK CHECKED GOOD.SDR DALA2016102207455Apu · defectiveCHEMICAL SMELL IN COCKPIT. MAINTENANCE FOUND SOME CONTAMINATION AT APU SURGE VALVE, DUCT AND LOAD COMPRESSOR. RAN PACK WITH ENGINES RUNNING. NO APU BLEED NO NOTICEABLE SMELL. FORWARD TO MCO/PLACARD. APU WAS REPLACED DUE TO SUSPECTED INTERNAL OIL LEAK LOADSDR ASAA2016100518199Apu · malfunctionedAPU HAS A TREND OF HIGH CT5ATP. ACFT GROUNDED. REMOVED AND REPLACED THE APU IAW AMM 49-11-00-000-803 AND AMM 49-11-00-400-803.SDR AALA201610049009O-Ring · leakingDIRTY SOCKS ODOR THROUGH OUT CABIN RECORDED BY CREW WITH APU ON PACKS ON. AIRCRAFT WAS GROUNDED. MAINTENANCE FOUND OIL LEAK AT APU FUEL CONTROL UNIT. REMOVED AND REPLACED O-RING IAW AMM 49-32-11.
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