JASC 4930
Service difficulty reports · 1,087
Reports filed under 4930 · APU Engine Fuel and Control, 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 = '4930' 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 = '4930' 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 ASAA2018120127202Fuel Control · faultyAPU OVERSPEED LIGHT ILLUMINATED IN FLIGHT, APU SHUTDOWN. GROUNDED - YES. AIR TURNBACK - DIVERSION TIME 33 MINUTES. PERFORMED APU BITE REF FIM 49-60 TASK 801 AND FOUND CODE 49-31014 APU OVERSPEED. PERFORMED FIM 49-30 TASK 802 ENGINE WIRE INSPECTION AND INLET INSDR ASOA201811247185Fcu · faultyHEAVY EXHAUST GAS SMELL AFTER STARTING THE APU. REMOVED AND REPLACED THE APU FUEL SOLENOID VALVE IAW HSMM 49-31-02 AND FCU IAW HSMM 49-32-01. OPS AND LEAK CHECKS WERE SATISFACTORY.SDR A6WA2018112546167Valve · leakingON APPROACH APPROXIMATELY 10 MINUTES AFTER APU START WITH LCV OPEN RECEIVED FUEL SMELL IN COCKPIT. ON GROUND APU DOOR SHOWED DASHES. BOTH PACKS RUNNING WITH BLEEDS ON ENGINES. AFTER APU SHUTDOWN SMELL WENT AWAY. INSPECTED AND FOUND FUEL SHUTOFF VALVE/SOLENOID SDR ASAA2018112177027Fuel Control · faultedAPU FAULT LIGHT ILLUMINATED ON APU START. GROUNDED - YES. ACCOMPLISHED APU BITE PROCEDURE PER B737-800 FIM 49-60 TASK 801, FAULT CODE 49-41011 NO FLAME SHUTDOWN AND FAULT CODE 49-31161 FCU RESOLVER CIRCUIT SHORT. APU INITIALLY ROTATES ON START. CONFIRMED GOOSDR QXEA2018111300416Fuel Nozzle · inoperativeAPU FAILED TO START THE STARTER LIGHT STAYED ON FOR 30 SEC THAN APU FAIL MSG POWERED UP. 2ND START SAME OUTCOME. RAMPER WAS REPORTING SMOKE FROM THE APU. COMPLIED WITH E&ACC BOTH TIMES. ( APU INOP ). REMOVED FROM SERVICE. R&R BOTH START FUEL NOZZLES IAW Q400 SDR SIMA20181031003Fuel Control · leakingWITH APU ON & APU BLEED & PACKS OPEN, THERE IS A STRONG EXHAUST/FUEL SMELL IN AIRCRAFT. DEFERRED APU FUEL SHUT OFF VALVE PER MEL 28-5. MTX PROCEDURE C/W. FOUND LEAKING APU FUEL CONTROL. R&R APU FUEL CONTROL IAW ENGINE MANUAL 49-32-01. OPC AND LEAK CHK GOOD.SDR DALA2018110106384Fuel Nozzle · leakingF/A IN AFT JUMPSEAT SAID SMELLED OILY / EXHAUST SMELL IN AFT CABIN DURING FLIGHT. NO SMOKE. SAID IT WENT AWAY AND CAME BACK IN DECENT. INSPECTED APU. FOUND LOWER FUEL NOZZLE LEAKING AT PRIMARY PORT. REMOVED B NUT. INSPECTED AND REINSTALLED FITTING. LEAK CHECK SDR ASAA2018102326596Fcu · faultyDURING INFLIGHT START FOR CSS WE RECEIVED A FAULT LIGHT AND THE APU SHUT DOWN TWICE AT FL380, APU STARTED SUCCESSFULLY AT FL350. GROUNDED - YES. ACCOMPLISHED BITE OF APU FOUND FAULTS IN FAULT HISTORY NO ACCELERATION SHUTDOWN MESSAGE 49-41010. OVERTEMP SHUTDOWNSDR HALA2018101500497Shutoff Valve · faultyETOPS SIGNIFICANT SYSTEM - APU FUEL VLV EICAS MESSAGE DURING APU SHUTDOWN AFTER PUSH BACK. REMOVED AND REPLACED APU SHUTOFF VALVE ACTUATOR PER AMM 28-25-02. OPS TEST OK. EICAS MESSAGE EXTINGUISHED. OK FOR SVC.SDR ASAA2018101226481Fcu · faultyAPU COLD SOAKED START ATTEMPT FAILED AT 360 APU FAULT LIGHT APPEARED. GROUNDED - YES. ACCOMPLISHED APU BITE PROCEDURE REF FIM 49-60 TASK 801, LOGGED FAULT 49-31016 OVER TEMPERATURE SHUTDOWN. ACCOMPLISHED FIM 49-30 TASK 803 OVER TEMPERATURE SHUTDOWN- FAULT ISOLSDR ASAA2018101226433Fcu · faultyAPU OVERSPEED LT AND AUTO SHUTDOWN ON TAXI IN. GROUNDED - YES. PERFORMED APU BITE TEST FOUND FAULT APU OVERSPEED MSG 49-31014. APU REMAINS ON MEL 49-1B. PERFORMED FIM 49-30 TASK 802. PER FIM TASK, REMOVED AND REPLACED THE FUEL CONTROL UNIT REF AMM 49-31-11. PESDR AALA2018101099012Packing · failedAPU SMOKE ODOR FUMES. THE AIRCRAFT WAS GROUNDED. TROUBLESHOT IAW JC 26L00021002. FOUND FUEL LEAKING FROM THE APU FLOW DIVIDER SOLENOID VALVE PACKING. REPAIRED FUEL SOLENOID LEAK ON APU IAW DECONTAMINATION CARDS 26L00021004, 26L00021001, AND 26L00021002. SYSDR UIEA2018091401972Solenoid · failedAPU INOP. REMOVED AND REPLACED APU FUEL SOLENOID PER AMM 4931-03. PERFORMED LEAK & OPS CHECK.SDR AALA201809079007O-Ring · damagedAIRCRAFT WAS GROUNDED. OIL FUMES IN COCKPIT WITH APU BLEED ON REPORTED. ACCOMPLISHED J/C 26L00021001 (INITIAL ODOR), J/C 26L00021002 (ODOR/FUMES) AND J/C 26L0002104 (DECONTAMINATION OF ENVIRONMENTAL CONTROL SYSTEM). FOUND OIL LEAK AT APU FUEL CONTROL UNIT AT GSDR UIEA2018090501899Module · malfunctionedAPU AUTO SHUT DOWN. REMOVED AND REPLACED FLOW SENSING MODULE IAW AMM 49-33-03. OPS CHECK GOOD.SDR DXTA2018090501385Manifold · leakingCOCKPIT ODOR, JET FUEL ODOR COMING FROM OVERHEAD VENTS. NOTICEABLE WITH APU RUNNING ON THE GROUND AND ALSO DURING FLIGHT WITHOUT APU. REMOVED & REPLACED LEAKING APU FUEL MANIFOLD & TEE FLOW DIVIDER IAW M/M 49-30-06. APU OPS & LEAK CHK GOOD.SDR HALA2018090500413Shutoff Valve · failedDUE TO APU FAULT ECAM CIRCUIT BREAKER TRIPPED. REMOVED AND REPLACED THE APU LP SHUTOFF VALVE IAW AMM 28-29-52. OPS CHECKED GOOD. OK FOR SERVICE.SDR ASAA201808205846Tee Fitting · leakingFUEL DRIPPING FROM TEE FITTING ON THE FUEL LINE FROM THE APU FUEL CONTROL UNIT TO FUEL MANIFOLD. ACFT GROUNDED. REPLACED FUEL FLOW DIVIDER TEE, LEAK CHECKED GOOD.SDR AALA2018082079027Fuel Control · leakingODOR IN CABIN, DISSIPATED WITH APU BLEED TURNED OFF. THE AIRCRAFT WAS GROUNDED. MAINTENANCE REPLACED A LEAKING APU FUEL CONTROL UNIT IAW AMM 49-32-11 AND PERFORMED SATISFACTORY OPERATIONAL CHECK.SDR WX0A2018081073366Fcu · leakingFA REPORTED A DIRTY SOCK ODOR DURING FLIGHT. FOUND THE APU FUEL CONTROL DRAIN LEAKING. R & R THE APU FUEL CONTROL UNIT.SDR VNAA2018071711101Shutoff Valve · leakingFUEL SMELL FROM BOTH PACKS AT FL18. R&R APU SOV, OPS AND LEAK CK GOOD.SDR UIEA2018062901288Bolt · brokenAPU FUEL CONTROL ASSY. FUEL FILTER BOWL BOLT BROKEN OFF. REMOVED AND REPLACED FUEL CONTROL ASSY AS PER AMM 49-31-01. LEAK & OPS CHECK OK AS PER AMM 49-31-01 & 49-11-00.SDR UIEA2018061301147Filter · defectiveAFTER 30 MINS APU AUTO SHUTDOWN ON RAMP. REMOVED AIR FROM IGV ACTUATOR (LOCKED) AND REINSTALLED ALSO REPLACED APU FUEL FILTER OK PERFORMED APU OPS CHECK OKSDR ASAA2018061925116Exciter · malfunctionedREPORT OF APU FAULT 49-41011, NO FLAME SHUTDOWN. ACFT GROUNDED. REMOVED AND REPLACED THE IGNITION UNIT AND IGNITOR PLUG IAW AMM 49-41-31, AND 49-41-51. AFTER REPLACEMENT OF IGNITION UNIT AND IGNITOR, APU SHOWED FAULT LIGHT ON START. APU BITE CHECKED IAW FISDR UIEA201806051025Ecu · malfunctionedON LANDING, THE APU WOULD NOT START. REMOVED AND REPLACED THE ECU IAW IAW AMM 49-61-05, PERFORMED A BITE OF THE ECU IAW AMM 49-11 FT 958, NO MESSAGES OR FAULTS NOTED.SDR AALA2018060819013Idg · low pressureFLIGHT DEPARTED, AND HAD AN IDG FAIL AFTER TAKE OFF. THE APU WAS ALREADY ON PLACARD. THE FLIGHT RETURNED TO DEPARTURE. AN EMERGENCY WAS DECLARED. NR 1 ENGINE INTEGRATED, DRIVE GENERATOR HAD LOW OIL PRESSURE AND SHUT DOWN THE IDG. REPLACED THE NR 1 ENGINESDR DALA2018053063648Fuel Line · looseSTRONG ODOR OF FUEL THROUGHOUT CABIN AND COCKPIT, AFTER SWITCHING FROM ENGINE BLEEDS TO APU BLEED DURING TAXI IN. DISCOVERED FUEL DRIPPING FROM THE APU. PERFORMED A NO GO ODI PREV. PROG. INSPECTION. FOUND APU FUEL SUPPLY LINE LOOSE AT THE FIREWALL IN APU BSDR UIEA201805220919Ecu · failedDURING PRE-FLT, THE APU AUTO SHUTDOWN WITH APU FAULT MESSAGE. REMOVED AND REPLACED APU ECU IAW AMM 49-61-05, SYSTEM CHECKED NORMAL.SDR DXTA2018051800969Line · leakingFUEL ODOR COMING FROM COCKPIT VENTS WHEN TEMPERATURE IS INCREASED. FUEL ODOR COMING FROM COCKPIT VENTS IS ELIMINATED BY DECREASING TEMPERATURE. BLEED AIR SOURCE MAKES NO DIFFERENCE. FUEL ODOR IS PRESENT USING ENGINE BLEED AIR AND AND FUEL ODOR IS PRESENT USSDR ASAA2018051124597Fcu · leakingREF TSR 701761 FOUND APU FUEL CONTROL UNIT LEAKING FROM FORWARD DRAIN, 3 DROPS PER MINUTE DURING APU OPERATION. GROUNDED - YES. REF AMM 49-31-11 REMOVED AND REPLACED APU FUEL CONTROL UNIT.SDR GTIA2018042102593Line · leakingFUEL ODOR IN THE CABIN, ACCOMPLISHED DECONTAMINATION OF THE ENVIROMENTAL CONTROL SYSTEM IAW AMM 21-00-00-615-002, NO ODOR IN CABIN. FOUND THE SOURCE OF THE ODOR TO BE A LEAKING LINE ON INLET GUIDE VANE ACTUATOR . SECURED THE LINE IAW AMM 49-23-51. OPS & LEAKSDR UIEA2018033000488Filter · trippedFOUND APU LUBRICATION FILTER DPI TRIPPED. PERFORMED A DPI CHECK IAW 49-27-03. THE FILTER HAS NO BLOCKAGE. R & R THE FUEL FILTER IAW IAW 49-27-03, AS A PRECAUTON. LEAK CHECKED GOOD,SDR AALA201803149008Fuel Filter · leakingAIRCRAFT HAD STRANGE ODOR UPON BOARDING. CONFIRMED BY CAPTAIN, FLIGHT ATTENDANT'S, AND MAINTENANCE. CAPTAIN REFUSED AIRCRAFT. APU RUNNING, PACKS ON ODOR FORM SUBMITTED. FOUND APU SOURCE OF CABIN ODOR. STARTED BOTH ENG(S) WITH EXTERNAL AIR & (APU BLEED OFF), INSDR ASAA2018030823812Fuel Control · faultyDURING CSS AT FL360, APU FAULT LIGHT ILLUMINATED, NO BLUE LIGHT AND EGT>1000 DEG.C. GROUNDED - YES. ACCOMPLISHED FIM 49-30 TASK 803 STEP H (1). PER ENGINEERING REQUEST, REPLACED APU FUEL CONTROL UNIT REF AMM 49-31-11, AND LUBE MODULE REF AMM 49-91-11. OPS CHECSDR WX0A2018022873308Fuel Heater · leakingSTRONG FUEL SMELL THROUGHOUT AIRCRAFT. R&R LEAKING APU FUEL HEATER.SDR HALA2018022600052Fuel Control · malfunctionedVERIFICATION FLIGHT FOR APU COMPLETED UNSATISFACTORILY, NO LIGHT OFF. PERFORMED TSM 49-62-00-810-838-A, REMOVED AND REPLACED THE FUEL CONTROL UNIT IAW AMM 49-32-51-000-801-A, AND 49-32-51-400-801-A, OPS AND LEAK CHECKED GOOD, APU BITE TEST ACCOMPLISHED, NO FSDR ASAA2018022423685Fuel Nozzle · malfunctionedAPU CT5ATP EGT TREND DATA SHOWS EGT HAS SHIFTED ABOVE THE MAINTENANCE THRESHOLD OF 593 WITH A HIGH OF 608 DEGREES BEEN RECORD APU HAS PREVIOUS HISTORY OF HIGH CT5ATP. GROUNDED - YES. ACCOMPLISHED APU BITE PROCEDURE PER B737-900 FIM 49-60 TASK 801. NO RECENT FSDR DALA2018021800998Apu · odorUPON ARRIVAL IN YYZ AFTER STARTING APU DURING TAXI TO GATE GOT A STRONG RAW FUEL ODOR THROUGHOUT CABIN. CREW ALSO SMELLED IN COCKPIT. PASSENGERS COMPLAINED OF FUMES. THE APU WAS REPLACED AND DOCUMENTED ON LP 9983360.SDR AALA201802129043O-Ring · leakingFLIGHT ATTENDANT'S REPORTED A STRONG DIRTY SOCK ODOR IN THE CABIN, ON APPLICATION OF TAKE OFF POWER, AND AGAIN WHEN CONFIGURING FOR APPROACH. NO ODOR NOTICED IN COCKPIT. REPLACED APU FUEL CONTROL O-RING AT THE MATING FLANGE IAW 49-32-11.SDR AALA201802099003Fcu · inoperativeFLIGHT ATTENDENTS REPORTED A CABIN ODOR. AIRCRAFT WAS GROUNDED. REPLACED APU FCU.SDR HALA2018020600031Fuel Line · leakingAFTER STARTING APU, NOTICE A STRONG FUEL ODOR, SHUT APU DOWN AND FUEL ODOR WENT AWAY. FOUND FUEL LEAKING FROM APU FCU HARD LINE TO FUEL NOZZLE. REMOVED AND REPLACED FCU HARD LINE PER AMM 49-32-01. LEAK CHK OPS OK. ODOR NO LONGER PRESENT. OK FOR SVC.SDR ASAA2018020123354Fcu · faultedAPU WITH A FAILED CSS ATTEMPTS WITH FAULT CODE 49-31016. ACFT GROUNDED. REMOVED AND REPLACED THE APU FUEL CONTROL UNIT IAW AMM 49-31-11. OPS & LEAK CHECKED NORMAL.SDR DXTA2018010100517Shutoff Valve · failedWHILE STARTING THE APU WHILE AIRBORNE THERE WAS A LOUD BOOM AND SIMULTANEOUSLY THE APU FIRE ANNUNCIATOR ILLUMINATED MOMENTARILY. THE APU WAS SHUT DOWN AND THE APU FAUL ANNUNCIATOR ILLUMINATED. REMOVED AND REPLACED THE FUEL SHUTOFF VALVE SOLENOID AND FUEL FLOWSDR ASAA2018020123356Fcu · unknownAPU HAS HISTORY OF MUILTIPLE FAILED CSS WITH FAULT 49-41010, NO ACCEL SHUTDOWN RECORD AND IS CURRENTLY ON MEL 49-99A. ACFT GROUNDED. ACCOMPLISHED APU BITE PROCEDURE IAW FIM 49-60 TASK 801 AND NO ACCELERATION SHUTDOWN FAULT ISOLATION IAW FIM 49-40 TASK 801. SDR ASAA2018012923334Starter Gen · failedCSS FAILED AT 380, 360, 300 FAULT. ACFT GROUNDED. PERFORMED BITE AND RECEIVED A FAULT CODE 49-31016 OVER TEMP SHUTDOWN. PERFORMED INSTALLATION TEST FOR STARTER GENERATOR IAW AMM 49-41-21, OPS CHECK GOOD.SDR AALA201801199038Fuel Control · leakingFLIGHT ATTENDANT REPORTED EYES BURNING, COUGHING, AND NAUSEA DUE TO A CABIN ODOR. AIRCRAFT WAS GROUNDED. ACCOMPLISHED J/C'S 26L00021001,2,3 AND 4. FOR ALL WORK AND PARTS CHANGED PERFORMED REF MIC # 0071147 AND ME-0192, 3181989 AND 3182107. CHANGED OUT APU FSDR AALA201801229002Reheater · leakingFLIGHT ATTENDANT REPORTED EYES BURNING, COUGHING, AND NAUSEA DUE TO CABIN ODOR. AIRCRAFT WAS GROUNDED. ACCOMPLISHED J/C 26L000021001, FOUND APU FUEL CONTROL LEAKING. REPLACED REHEATER 11M3 IAW AMM 21-51-31.SDR ASAA2017122723051Fuel Nozzle · faultedAPU CT5ATP EGT TREND DATA SHOWS EGT HAS SHIFTED ABOVE THE MAINTENANCE THRESHOLD OF 593 BUT LESS THAN 605 DEGREES. ETOPS SIGNIFICANT SYSTEM. ACFT GROUNDED. REMOVED AND REPLACED THE APU FUEL NOZZLES AND SHROUDS. OPS AND LEAK CHECKED GOOD IAW AMM 49-31-14. RSDR ASAA2017122723013Fcu · faultedFURTHER EVALUATION OF APU COLD SOAKED START WITH FAULT IAW ENGINEERING REQUEST, PERFORMED APU BITE IAW AMM 49-61-00. ONE FAULT FOUND. STARTS OLD FAULT 49-31016 OVERTEMP SHUTDOWN. ACFT GROUNDED. PERFORMED FIM 49-30, TASK 803, STEP B 1-3. LOOKED FOR BLOCKASDR RAIA201712200001Switch · leakingFUEL ODOR IN THE FLIGHT DECK DURING CLIMB OUT. DISSIPATED AFTER 10 MINUTES. INSPECTED AND FOUND FUEL LEAKING FROM APU PRESSURE SWITCH.
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