JASC 7320
Service difficulty reports · 4,393
Reports filed under 7320 · Fuel Controlling System, 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 = '7320' 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 = '7320' 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 ASAA2017011519416Eec · faultedNR 2 ENGINE HAD SHORT TIME FAULT 75-30452 - THE VBV POSITION SIGNALS DISAGREE. ACFT GROUNDED. ACCOMPLISHED TROUBLESHOOTING IAW FIM 75-32 TASK 803. INITIAL EVALUATION AND FAULT ISOLATION FOUND NO DEFECTS. EEC TESTS INDICATED NO FAULTS. DUE TO EXTENSIVE HISTORSDR UIEA2017011600043Eec · failedSTATUS MESSAGE EICAS DISAGREE DISPLAYED. DURING TROUBLESHOOTING, FOUND CODE 514 N1 LEFT, CODE 516 N2 LEFT, LT ENGINE HIGH OIL TEMP, SUSPECT LT ENGINE EEC FAILED. REMOVED & REPLACED THE EEC.SDR HNAA2017011100014Warning Light · illuminatedNR 1 ENGINE MANUAL LIGHT ILLUMINATED ON TAKEOFF ROLL WITH ASSOCIATED ROLL BACK. CREW ABORTED TAKEOFF WHEN MANUAL CAUTION LIGHT ILLUMINATED. CREW AND MAINTENANCE COMPLIED WITH TAKEOFF POWER ENGINE RUNS WITH NR 1 ECU SELECTED TO NORM AND ECU CIRCUIT BREAKER RESSDR AALA20170110014Switch · faultyAIRCRAFT WAS GROUNDED. LEFT ENGINE FUEL CONTROL WOULD NOT SHUT DOWN ENGINE. REMOVED AND REPLACED LEFT ENGINE FUEL CONTROL SWITCH IAW AMM 76-11-02 AND SWPM 20-61-11. OPERATIONAL CHECK GOOD.SDR AALA20170105010Hmu · faultyAIRCRAFT WAS GROUNDED. MIA-BOS FLIGHT RETURNED TO GATE. DURING PUSH BACK, AFTER FUEL LEVER CUTOFF, CREW REPORTED FUEL LEAKING FROM THE RIGHT ENGINE. CREW ACTIVATED THE FIRE EXTINGUISHER BOTTLE. REMOVED AND REPLACED THE HYDROMECHANICAL UNIT IAW WORK CARD 73-94-SDR COEA2016122038921Hmu · malfunctionedDURING CLIMB OUT, THE NR 1 ENGINE PARAMETERS SURGED, NR 1 TORQUE INDICATOR NO LONGER FUNCTIONED AND MAIN BATTER CHARGE FAULT. FURTHER MAINTENANCE REPLACED THE NR 1 HMU AND PERFORMED ENGINE GROUND RUN PERFORMANCE CHECK ON NR 1 AND NR 2 ENGINES. PERFORMANCE CHECSDR AALA20161220008Hmu · faultyDURING INITIAL THRUST APPLICATION FOR TAKEOFF, RIGHT ENGINE WOULD NOT ACCELERATE PASS 35 PERCENT. ABORTED TAKEOFF AT LOW SPEED. AIRCRAFT WAS GROUNDED. REMOVED AND REPLACED HYDROMECHANICAL UNIT AND FUEL PUMP ASSEMBLY IAW AMM 73-94-12. HIGH POWER RUN CHECKESDR VNAA2016121500030Warning Message · illuminatedRIGHT FADEC CAUTION MESSAGE. CYCLED SYSTEM CIRCUIT BREAKERS.SDR CALA2016121601082Tube · leakingFUEL LEAKING FROM RT ENGINE ON ARRIVAL AT THE GATE. FOUND BRAIDED HYD SUPPLY LINE HAD CHAFFED INTO THE FUEL SUPPLY TUBE AT 5 O''CLOCK POS ON THE ENGINE. FUEL LEAK AND SUPPLY TUBE WEAR IS ON LT ENG. R & R FUEL SUPPLY TUBE AND BRAIDED HYD PRESSURE LINE ON LT ENSDR SWAA2016121210356Sensor · defectiveAIR TURNBACK, NR 2 ENGINE SURGING DURING CLIMBOUT. R&R NR 2 ENGINE COMPRESSOR INLET TEMP SENSOR IAW MM.SDR AALA20161122017Circuit Breaker · trippedCREW WAS UNABLE TO SHUT DOWN #2 ENGINE NORMALLY DURING FIRST TWO ATTEMPTS. ENGINE SHUT DOWN ON THIRD ATTEMPT. MAINTENANCE FOUND THE E3 "ENG FUEL ENG 2 HPSOV CONT" CIRCUIT BREAKER OPEN. RESET CIRCUIT BREAKER. ACCOMPLISHED FIM 73-06-00 WITH NO FAULTS FOUND. ACCOSDR P5CA2016111400292Eec · inoperativeRIGHT EEC B CHANNEL INOPERATIVE. REMOVED AND REPLACED THE RT ENGINE EEC IAW AMM 73-21-15. OPS CHECKED NORMAL IAW AMM 71-00-00.SDR P5CA2016111200290Ecu · failedRIGHT ENGINE CONTROL STATUS & EICAS MESSAGE. REMOVED AND REPLACED THE RT ENGINE EEC IAW AMM 73-21-15. PERFORMED RT ENGINE RUN IAW AMM 71-00-00. OPS CHECKED NORMAL , NO EICAS MESSAGE.SDR ASAA2016111018637Warning Message · false indicationWHILE PERFORMING TASK CARD 78273000, FOUND LONG TERM FAULT 73-10202 FOR NR 2 ENGINE. INTERNAL EEC FAULT WITH ENGINE CONTROL LIGHT OFF. ACFT GROUNDED. NR 2 ENGINE EEC TEST POST ENGINE RUN CHECKED GOOD IAW AMM 73-21-00-700-804-F00. NO FAULTS AT THIS TIME.SDR ASAA2016110718636Eec · faultedFOUND NR 1 ENGINE FAULT, SHORT TIME, MESSAGE 75-30601. THE TBV POSITION SIGNALS DISAGREE. ACFT GROUNDED. ACCOMPLISHED FIM 75-23 TASK 803. FOUND EEC FAULT. PERFORMED FIM 75-23 TASK 802, REMOVED AND REPLACED EEC IAW AMM 73-21-60. OPS CHECKED NORMAL. ACCOMPLISHSDR 9JLA2016110710774Computer · faultyWHILE IN THE CRUISE STAGE OF FLIGHT AT FL 410 THE FLIGHT CREW EXPERIENCED AN ENGINE FAILURE OF THE NR ENGINE. THIS OCCURRED AS THEY CAME OUT OF CROSS FEED GOING FROM THE LEFT TANK TO THE RIGHT ENGINE. THE ENGINE JUST FLAMED OUT, AND N2 ROLLED ITSELF BACK TO 11SDR 3DOR20161101001Throttle Body · failedPREMATURE FAILURE OF THE THROTTLE BODY HAS BEEN NOTED. THIS SPECIFIC THROTTLE BODY FAILED AT 104.0 HOURS AND HAS A SERVICE LIFE OF 2200 HOURS. DEFECTS IN THE THROTTLE BODY ARE EVIDENT BY CYCLING THE THROTTLE BODY ARM AND FEELING A GRINDING ATTRIBUTE. FURTHESDR DXTA2016102406322Switch · failedDURING FLIGHT AT 25000, THE RIGHT ECC MANUAL LIGHT CYCLED ON AND OFF A FEW TIMES AND THE RIGHT ENGINE N1 FLUCTUATED BETWEEN 80 AND 89 PERCENT.NO CHANGES NOTICED WITH THE ANTI ICE ON/OFF. INSPECTED EEC CONNECTOR & PCBS IN AFT J BOX. NO DEFECTS NOTED. PERFORMESDR ASAA2016102318484O-Ring · damagedDURING TAXI, NR 2 ENGINE SHUTDOWN ON ITS OWN. ENGINE PARAMETERS WERE ALL WITHIN LIMITS. ACFT GROUNDED. STARTED NR 2 ENGINE, INDICATIONS FLUCTUATING, N1 21.9 TO 21.2, EGT 460 TO 450, N2 59.6 TO 59.0, FF 85-75, APPROX 3 MIN AFTER INITIAL ENGINE START, ALL ENGISDR 3EJA20161025001Fcu · failedAIRCRAFT ON APPROACH AT 5000FT. PF RETARDED THROTTLES TO IDLE TO SLOW DOWN AND RT ENGINE FLAMED OUT. SECURED ENGINE AND DECLARED AN EMERGENCY. AIRCRAFT LANDED UNEVENTFULLY. MANUFACTURER DETERMINED THAT THE FCU IS THE CAUSE OF THIS PROBLEM.SDR DALA2016101907383P&D Valve · leakingFLT 0377 RETURNED TO ATL AFTER THE LT ENGINE FAILED AFTER TAKE-OFF. THE CREW REPORTED THAT ON CLIMB OUT THAT THE ENGINE ROLLED BACK AND SHUT DOWN. MAINTENANCE FOUND FUEL LEAKING AT THE P&D VALVE FLANGE. THE P&D VALVE WAS REPLACED. THE MAGNETIC CHIP DETECTOSDR 3CMA20161017001Engine · shutdownENROUTE, NR 2 ENGINE EXPERIENCED AN UN-COMMANDED SHUTDOWN. MAINTENANCE REMOVED AND REPLACED THE FUEL DELIVERY UNIT (FDU) AS A PRECAUTION AS NO ROOT CAUSE OF THE PROBLEM WAS IDENTIFIED.SDR P5CA2016111300291Ecu · failedRT ENGINE CONTROL STATUS MESSAGE. REPLACED THE RT ENGINE ECU IAW AMM 73-21-14. PERFORM ENGINE MOTORING AND ACTUATOR TEST. IDLE LEAK CHECK, CHECKED NORMAL. NO LEAK FOUND IAW AMM 71-00-00.SDR CALA2016101200755Stator · failedNR 3 ENGINE WENT TO EEC ALT MODE AND SHORTLY AFTER THAT THE ENGINE SHUT DOWN. ACPD ENGINE NR 2 PMA ALTERNATOR REPLACEMENT, ENGINE RUNUP TEST OK. NO MESSAGE REMAINED.SDR ASAA2016101018258Eec · failedFLIGHT CREW REPORTS CDS FAULT DISPLAYED ON OUTBOARD DISPLAY UNITS. ACFT GROUNDED. DEU 1 & 2 CURRENT STATUS SHOWS FAULT 31-65030 EEC DATA DISAGREE. NR 2 ENGINE EEC RECENT FAULTS SHOWS CH B EEC DATA NOT AVAILABLE WITH FAULT CODE 73-10102 INTERNAL EEC FAULT. REMSDR ASAA2016100718243Warning Message · false activationWHILE ACCOMPLISHING T/C 78273000, FOUND LONG TERM FAULT FOR ENGINE NR 1. MESSAGE 73-10201. INTERNAL EEC FAULT. FLT LEG 0 AND 1. ACFT GROUNDED. FAULT NOT ACTIVE, IAW FIM 73-21 TASK 801 . NO HISTORY PAST 30 DAYS.SDR DXTA2016092908312Ecu · malfunctionedON THE SECOND FLIGHT OF THE DAY, DURING CLIMB OUT AT CLIMB POWER THE RIGHT ENGINE ROLLED BACK AND THE RED R ENGINE EXCEEDANCE AND CYAN R ENGINE FAULT CAS MESSAGES POSTED. THE RIGHT N2 READ 100% AND WAS RED AND THE LEFT N2 WAS LOWER (DON'T REMEMBER THE EXACT PESDR VQIA2017081000044Hmu · failedNR 1 ENGINE N1 VERY SLOW TO RESPOND, 70% SPLIT IN FLIGHT AT 3000 FT. IN FLIGHT LEFT N1 DROPPED FROM 70% TO IDLE, RIGHT N1 REMAINED AT 70%. R & R NR 1 ENGINE HMU IAW AMM 73-21-10. NO FURTHER ISSUES REPORTED ON SUBSEQUENT FLIGHTS.SDR 3DOR20160926001Throttle Body · failedPREMATURE FAILURE OF THE THROTTLE BODY HAS BEEN NOTED. THIS SPECIFIC THROTTLE BODY FAILED AT 61.4 HOURS AND HAS A SERVICE LIFE OF 2200 HOURS. DEFECTS IN THE THROTTLE BODY ARE EVIDENT BY CYCLING THE THROTTLE BODY ARM AND FEELING A GRINDING ATTRIBUTE. FURTHERSDR P5CA2016092000264Hmu · malfunctionedRIGHT ENGINE CONTROL, EICAS MSG IAW AMM 73-21-14 REPLACE RT ENGINE HMU IAW AMM 71-00-00-401, CONFIGURATION 3. PFM RT ENGINE DRY MOTOR AND ECU GROUND ACTUATOR TEST AND ALL CONDITIONS SATISFACTORY, NO MSG SHOWS.SDR ASAA2016091818070Sensor · faultyWHILE ACCOMPLISHING TC 78273000, FOUND 2 CURRENT FAULTS: 75-10821 T25 SIG OUT OF RANGE AND 75-30801 T25 SIG DISAGREE ON ENG NR 1. ACFT GROUNDED. REPLACED PT 25 SENSOR REF AMM 73-21-02-400-801-F00 ON ENG NR 1. ACCOMPLISHED PT25 INSTALLATION TEST, OPS NORMAL SDR 3DOR20160921002Throttle Body · failedPREMATURE FAILURE OF THE THROTTLE BODY HAS BEEN NOTED. THIS SPECIFIC THROTTLE BODY FAILED AT 99.0 HOURS AND HAS A SERVICE LIFE OF 2200 HOURS. DEFECTS IN THE THROTTLE BODY ARE EVIDENT BY CYCLING THE THROTTLE BODY ARM AND FEELING A GRINDING ATTRIBUTE. FURTHERSDR 3DOR20160921001Throttle Body · faultedPREMATURE FAILURE OF THE THROTTLE BODY HAS BEEN NOTED. THIS SPECIFIC THROTTLE BODY FAILED AT 11.2 HOURS AND HAS A SERVICE LIFE OF 2200 HOURS. DEFECTS IN THE THROTTLE BODY ARE EVIDENT BY CYCLING THE THROTTLE BODY ARM AND FEELING A GRINDING ATTRIBUTE. FURTHERSDR ASAA2016091418020Eec · failedWHILE CHECKING FMC CDU FOR ENGINE FAULTS, FOUND ENG 2 BITE INOP. GROUNDED - YES. ACCOMPLISHED B737-900 FIM 73-05 TASK 802 AND DETERMINED EEC TO REQUIRE REPLACEMENT. REMOVED & REPLACED NACELLE WIRE HARNESS MW0303 REF B737-900 AMM 71-51-03-400-801-F00. REMOVED &SDR ASAA2016091418019Engine · faultedWHILE ACCOMP T/C 78273000, FOUND NR 1 ENGINE WITH LONG TIME FAULT 73-31691, ADIRU 1 AND ADIRU 2 TAT DATA FROM DEU 1 AND DEU 2 IS MISSING. ACFT GROUNDED. PERFORMED FAULT ISOLATION TEST IAW FIM 73-28 TASK 806. EEC BITE TEST PASSED. NO FAULTS FOUND. DETERMINED TSDR ASAA2016091418018Engine · faultedWHILE ACCOMPLISHING T/C 78273000, FOUND NR 1 ENGINE WITH FAULT 73-31441, DEU 2 DATA IS MISSING. FAULT TIME LENGTH NOT GIVEN (SHORT, LONG, OR ECONOMIC), ONLY ALTERNATE MODE LIGHT MESSAGE. ACFT GROUNDED. IAW FIM 73-24 TASK 815, EEC BITE PASSED WITH NO MAINT MESSDR ASAA2016091418017Unknown · malfunctionedWHILE ACCOMPLISHING T/C 7827300, FOUND NR 1 ENGINE WITH SHORT TIME FAULT 73-31351, THE APL VOLTAGE INPUT TO THE ELECTRIC ENGINE CONTROL IS OUT OF RANGE. ACFT GROUNDED. PERFORMED FAULT ISOLATION TEST REF FIM 73-22, TASK 808. NO CURRENT FAULTS FOUND ON ELECTRSDR HALA2016091400354Unknown · unknownETOPS SIGNIFICANT SYS. DURING CRUISE ADJUSTED THROTTLES TO SAME FUEL FLOW LT AND RT AFTER 1 HOUR FUEL LT 15.2, RT 16.2, DIFFERENCE 1,000 LBS AFTER 93 MIN LT 12.3, RT 14.2. OPERATED BOTH ENGINES WITH PACKS ON FOR 5 MINS LT ENGINE EPR 1.01, N1 26.3, N2 67, EGTSDR AALA201609169023Fmu · defectiveAFTER TAKEOFF, THE FLIGHT CREW REPORTED THE NR 1 ENGINE WAS SLOW TO RESPOND AND THE DECISION WAS MADE TO DIVERT, LANDED SAFELY WITH NO FURTHER INCIDENT. THE AIRCRAFT WAS GROUNDED. MAINTENANCE REPLACED THE LEFT ENGINE FUEL METERING UNIT AND ACCOMPLISHED A SATSDR ASAA2016091217997Hmu · out of toleranceFOUND SHORT TERM FAULT IAW TASK CARD 78273000, FAULT 75-10371 THE HMU VSV CONTROL CURRENT IS OUT OF RANGE ON ENGINE NR 1. ACFT GROUNDED. ACCOMPLISHED T/C 78273000, NO FAULTS LOGGED ON LEG 0 TO 6 FLT LEGS. ACCOMPLISHED ELECTRONIC ENGINE CONTROL BITE TEST, SDR ASAA2016091217996Eec · faultedDURING COMPLETION OF T/C 78273000, FOUND MESSAGE 73-21382 ON NR 2 ENGINE, ESN 862900. THE ENGINE POSITION SIGNAL IS OUT OF RANGE, LONG TIME FAULT. ACFT GROUNDED. IAW FIM TASK 73-22 TASK 806, INITIAL EVALUATION SHOWS NO RECENT FAULTS OR FAULT HISTORY. PROSDR 3DOR20160912002Throttle Body · unserviceablePREMATURE FAILURE OF THE THROTTLE BODY HAS BEEN NOTED. THIS SPECIFIC THROTTLE BODY FAILED AT 269.2 HRS AND HAS A SERVICE LIFE OF 2200 HOURS. DEFECTS IN THE THROTTLE BODY ARE EVIDENT BY CYCLING THE THROTTLE BODY ARM AND FEELING A GRINDING ATTRIBUTE. FURTHER SDR 3DOR20160912001Throttle Body · unserviceablePREMATURE FAILURE OF THE THROTTLE BODY HAS BEEN NOTED. THIS SPECIFIC THROTTLE BODY FAILED AT 132.9 HRS AND HAS A SERVICE LIFE OF 2200 HOURS. DEFECTS IN THE THROTTLE BODY ARE EVIDENT BY CYCLING THE THROTTLE BODY ARM AND FEELING A GRINDING ATTRIBUTE. FURTHER SDR ASAA2016090617952Eec · failedNR 1 ENGINE SHOWS SHORT TIME FAULT. MESSAGE 75-30801 T25 SIGNALS DISAGREE. #1 ENGINE SHOWS LONG TIME FAULT. RECORDED MESSAGE 75-10821 THE T25 SIGNAL IS OUT OF RANGE. ACFT GROUNDED. REMOVED AND REPLACED THE NR 1 ENGINE EEC, IAW AMM 73-21-60.SDR QXEA2016090600571Fuel Sys · malfunctionedAFTER STARTING THE NR 1 ENGINE WITH THE CONDITION LEVER IN THE START AND FEATHER POSITION, THE NR 1 ENGINE FUEL PRESSURE CAUTION ILLUMINATED AND AFTER A FEW SECONDS, THE ENGINE SHUTDOWN. AIRCRAFT CURRENTLY DOWN FOR REPAIRS.SDR JIKA2016090301Sensor · frozenENROUTE, DISCOVERED THE LEFT ENGINE WAS UN-RESPONSIVE TO POWER LEVER MOVEMENT. FOLLOWED EMERGENCY PROCEDURES, AND SHUTDOWN THE LEFT ENGINE, DECLARING AN EMERGENCY, DIVERTED. AND LANDED WITHOUT INCIDENT. MAINTENANCE TROUBLESHOT THE LEFT ENGINE POWER LEVER COSDR ASAA2016090317912Warning Light · false activationNR 1 ENG CONTROL LIGHT ILLUMINATED AFTER LANDING. THRUST LEVER AT IDLE. REVERSER STOWED. ACFT GROUNDED. RETURNED NR 1 AND 2 EECS TO ON. ACCOMPLISHED IDLE ENGINE RUN IAW AMM 71-00-00, TEST 13, OPS CHECKED GOOD. PERFORMED EEC TEST IAW AMM 73-21-00, TEST PASSESDR ASAA2016090117913Switch · failedLEFT ENGINE FUEL VALVE CLOSED LIGHT DOES NOT APPEAR TO GO BRIGHT WHEN VALVE TRANSITIONS. ACFT GROUNDED. RANG OUT THE NR 1 ENGINE HMU SWITCH VIA DP1207, PINS 1 AND 3. READS OPEN. SWITCH STUCK OPEN. REMOVED AND REPLACED HIGH PRESSURE SHUTOFF VALVE SWITCH IAW ASDR ASAA2016083017915Sensor · failedFOUND FAULT ON NR 1 ENGINE, 75-30801 T-25 SIGNAL DISAGREE SHORT TERM. ACFT GROUNDED. REMOVED AND REPLACED THE NR 1 ENGINE EEC, IAW AMM 73-21-60. PERFORMED FADEC SYSTEM TEST AND AFTER PERFORMING EEC TEST FAULT, 75-3080 PT-25 SIGNAL DISAGREE REMAINED. IDENT/COSDR ASAA2016082817831Hmu · leakingFOUND PUDDLE OF FUEL UNDER NR 1 ENGINE. ACFT GROUNDED. R & R NR 1 ENGINE HMU, REF TC N8473001.
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