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 CA120410004Fmu · malfunctioned(CAN) LEVEL IN CRUISE FL250, CRUISE CHECKS COMPLETE. AT FL250 NR 1 ENGINE FUEL PRESSURE LIGHT ILLUMINATED, FOLLOWED BY 3 SECONDS LATER BY UNCOMMANDED ENGINE FAILURE. FLIGHT CREW FOLLOWED SOP AND EMERGENCY DECLARED. UNEVENTFUL VISUAL APPROACH AND LANDING ACCOMSDR ASAA12511376Metering Valve · out of tolerancePERFORMED T/C 7827300 ON NR 2 AND NR 1 ENGINES NR 1 ENGINE HAD FAULT CODE 73-10321. THE HMU FUEL METERING VALVE CONTROL CURRENT IS OUT OF RANGE. PERFORMED EEC TEST PER FIM 73-25-00-810-801-F00, FAULT NO LONGER ACTIVE EEC TEST PASSES FOR NR 1 ENGINE.SDR HALA2012040900120Relay · failedETOPS SIGNIFICANT SYS - ON DECENT LT ENGINE WENT INTO GROUND IDLE & RT ENG INTO FLT IDLE, L N1 32.0 R 44.0. REPLACED RELAY K434 IAW WAM 73-21-19/ SSM73-21-02. GROUND RUN UP CHECKED OK.SDR UALA2012040902172Relay · faultyDUE TO PREVIOUS HISTORY OF NR 1 ENG EEC POWERED WITH ENGINE SHUT DOWN AT TERMINATION OF FLT 1757-06, REPLACED RELAY K73202 RAN ENGINE TWICE, EEC INDICATIONS NORMAL WHILE RUNNING AND GONE WHEN ENGINE STOPPED.SDR 2012FA0000264Diaphragm · damagedFUEL INJECTION SERVO MODEL NR RSA-5AD1, PN 2576536-2, SN 70148903 WAS RECEIVED FOR REPAIR. THE CUSTOMER COMPLAINT STATED "MIXTURE CHANGES TO VERY RICH AT 200 DEGREES OIL TEMP". WHILE PERFORMING A PRELIMINARY FUEL FLOW CHECK EVALUATION, THE TECH ATTEMPTED TO SDR UIEA2012032000098Warning Message · illuminatedLEFT ENGINE EEC C1 STATUS MESSAGE WITH ASSOCIATED MAINT MESSAGES- L PIMU, LT ENG EEC C2, LT ENG EEC C1. OPENSDR DXTA2012032004926Hmu · failedCRUISING AT FL390 "FADEC 2" LIGHT ILLUMINATED ON MWP FOLLOWED IMMEDIATELY BY A ROLL BACK TO FLIGHT IDLE OF NR 2 ENGINE. CREW COMPLETED CHECKLIST ITEMS. EIED 2 DISPLAYED A "F2A WF SOFT FAULT". ENGINE 2 REMAINED AT FLIGHT IDLE FOR ABOUT 20 MINS. DURING DESCENT SDR QMLA2012031812044Hmu · leakingWHEN REFUELING ACFT, PILOT NOTICED FUEL DRIPPING FROM DRAIN TUBE AND ON SIDE OF ACFT. MECHANIC VERIFIED IT WAS FUEL LEAKING FROM THE HMU AND IT WAS NOT LEAKING FROM ONE OF THE PIPES ON THE HMU WHEN PRIME PUMPS TURNED ON. REMOVED HMU FIRE SHIELDS & LEAK WAS SDR UALA2012031901791Manifold · faultyENG EEC MODE L LEFT ENGINE ELECTRONIC ENGINE CONTROL (EEC) IS IN THE ALTERNATE CONTROL MODE (EITHER BY DEFAULT DUE TO A CONTROL FAILURE OR MANUALLY SELECTED BY THE FLIGHT CREW). ADVISORY MSG01- NOT ACTIVE INITIAL CLIMB MODE DEPENDENT; ENG PRESS RATIO (EPR) (SDR IPXA2M72313Fmu · inoperativeAT 17000' GOT NR 3 SEL FADEC ALT, THEN NR 3 RPM LOW FOLLOWED BY FLAMEOUT NR 3. SHUTDOWN ENG 3 IAW QRH. RESTARTED NR 3 IAW QRH NORMAL START. REPLACED NR 3 ENGINE FMU, LEAK AND OPS CHECK OK REF MM 73-21-01-4-2.SDR UALA2012031401701Sense Line · obstructedL ENG CONTROL STATUS MSG APPEARED AFTER L ENG START. PURGED P2 LINE ON ACCOUNT OF PIMU P2 LINE MSG AND ACCOMPLISHED FIM TASK PER 350-22 EEC CH A-B P2 LINE. CREW PERFORMED ENG RUN AND SYSTEM 'C' OPS CHECKED, NO MSG'S.SDR UALA2012031201621Valve · leakingNR 1 ENGINE, FUEL IS LEAKING AT TURBINE CASE SEAM FROM INSIDE OF ENGINE AT ENGINE CASE SEAM "M" AND "N". RAN NR 1 ENGINE AND FOUND NO LEAKS AT TURBINE CASE SEAMS, DID FIND LEAK AT NR 1 ENG DIVERTER VALVE.SDR NSVA20120301463Fadec · defectiveA/C RETURNED TO FIELD DUE TO A POWER PLANT MESSAGE. MX REMOVED AND REPLACED THE FADEC.SDR 2012FA0000262Bolt · looseFLIGHT CREW DISCOVERED, DURING PREFLIGHT INSPECTION THAT THE RT ENGINE FAN DISK SPINNER ATTACH BOLT, PN 31B0162-01 HAD COME LOOSE FROM THE TIE ROD. RECORDS SEARCH REVEALED THAT THE FAN DISK HAD NOT BEEN REMOVED SINCE NEW. MX REPLACED BOLT AND LOCK WASHER WITSDR ASOA201200644Fadec · inoperativeRT ENG DEGRADED-ALL ASSOCIATED INSTRUMENTS SHOWED SIGNAFICANT DROPS (N1, ITT, N2, FF, ECT) REPEATED - NOTICABLE YAW EVERY DEGRADED MSG (ENROUTE ACFT DIVERTED DUE TO MX -- EMERGENCY DECLARED AS A PRECAUTION) R & R RT FADEC IAW AMM 73-21-01. OPS CHECKED GOOD. SDR ASOA201200642Control Unit · failedFADEC RT FAIL, C/W QRH, IDLE RT ENG, DECLARED EMERGENCY, SINGLE ENG. ON DESCENT, FAIL TURNED TO RT FADEC 1 MSG (EMERGENCY DECLARED AS A PRECAUTION) (FULL AUTHORITY DIGITAL ENGINE CONTROL SYSTEM (FADEC) - "R FADEC FAULT 1" STATUS MESSAGE) REFER TO AFDL FOR CSDR UIEA2012022700064Warning Light · illuminatedLEFT ENGINE EEC MODE ON ROLLOUT.SDR MYWA120028Warning System · false activationETOPS SIGNIFICANT SYSTEM: ENG NR 2 PMC LIGHT ILLUMINATED. T/S PER AMM 71-00-42 NO FAULTS FOUND RAN ENGINE PMC LIGHT STAYED OFF IAW 71-00-00.SDR AALA20120224015Plug · looseIAD - INFLIGHT MIA-BOS CREW REPORTED LEFT ENGINE LOW POWER. EMERGENCY DECLARED LIGHT DIVERTED IAD LANDED WITHOUT INCIDENT. AIRCRAFT REMOVED FROM SERVICE. RE-SECURED P1 DRAIN PLUG THAT WAS LOOSE. SYSTEM GROUND CHECK NORMAL OPERATION.SDR 2012FA0000123Circuit Board · damagedAFTER POST INSPECTION, ENGINE RUNS FOUND RT ENGINE ECS FAULT INDICATOR TRIPPED AFTER SHUTDOWN. RESET INDICATOR, AND PERFORMED NORMAL ENGINE START, AND IDLE. SHUTDOWN ENGINE AND REINSPECTED FAULTED INDICATOR AND FOUND IT HAD TRIPPED AGAIN. DOWN LOADED EEC DASDR UALA2012022001039Relay · faultedENGINE FUEL VALVE RT RIGHT ENGINE HIGH PRESSURE FUEL SHUTOFF VALVE (HPSOV) OR RIGHT SPAR FUEL VALVE POSITION DISAGREES WITH COMMANDED POSITION. (ADVISORY) REPLACED RELAY K76207 AND ENGINE IDLE RUN CHECKED NORMAL PER JRH.SDR FDEA201202170603Line · looseAT FL 390, NR 2 ENGINE QUIT RESPONDING TO THROTTLE MOVEMENT. PARAMETERS WERE NORMAL BUT CLOSE TO IDLE POWER. DESCENDED TO FL 290, NORMAL OPERATION RETURNED PASSING FL 320. FLEW REST OF FLIGHT AT FL 300. TEMP AT FL 390 WAS -55C. SUMPED ALL FUEL TANKS, NOSDR USAA2012021700004Servo Valve · leakingAFTER ENGINE START, PILOT REPORTED NR 2 ENGINE FAILED. AIRCRAFT RETURNED TO GATE. MAINTENANCE REMOVED AND REPLACED THE NR 2 ENGINE LOW/HIGH PRESSURE FUEL PUMP AND FUEL METERING UNIT IAW MM 73-12-41 AND 73-22-52. FUEL METERING UNIT WAS A CONFIRMED FAILURE - SDR CA120220002Fadec · malfunctioned(CAN) RT FADE CAUTION MSG ON GROUND. AFTER TAKEOFF ITT REMAINDED AT 915-929 DEGREES UNTIL 5000 MSL. ENGINE WOULD NOT SYNC RT ENGINE WOULD NOT STABLILIZE UNTIL 5000 FT. N1 WAS SYNC N2 WAS .7 PERCENT FASTER ON RT SIDE. THE PROBLEM WAS ORIGINALLY ON THE LT SISDR UALA2012021500932Fmu · faultyRT ENG FUEL FILTER IND, RTFL. PUMP METERING VALVE READY TO BE RMV'D. NR 2 ENG FUEL PUMP & FUEL METERING UNIT RMV'D FOR LOG2. ACCMP'D REMOVAL REF MM 73-11-01 PAGE 412 PARAGRAPH 3A AND MM 73-21-03 PARAGRAPH 3 E 2. INSTALLED NEW FUEL PUMP AND FUEL METERING USDR UALA2012021400882Filter · defectiveFILTER BYPASS POPPED ON NR 2 ENGINE FUEL SERVO HEATER. RPLC'D FILTER FOUND NO CONTAMINATES. RAN ENGINE NO LEAKS NOTED AND FUEL SYSTEM OPS CHECKS GOOD.SDR MYWA120019Tube · damagedETOPS SIGNIFICANT SYSTEM: DURING HMU OPS CHECK FOUND TUBE ON OIL FUEL SERVO TO FUEL PUMP LEAKING. ON T/S FOUND TUBE AND FITTING NICKED. REMOVED AND REPLACED TUBE & FITTING BETWEEN OIL FUEL SERVO & FUEL PUMP IAW AMM 73-11-01 AND LEAK CHECK GOOD IAW AMM 71-00SDR MYWA120018Hmu · leakingETOPS SIGNIFICANT SYSTEM: FOUND NR 2 ENGINE LEAKING FUEL FROM HMU LOWER PLATE. REMOVED AND REPLACED NR 2 ENGINE HMU PER B737-800 AMM 73-21-10 PENDING OPS/LEAK CHECK SEE ITEM 12 LOG PAGE 237890, OPS CHECK GOOD IAW AMM 71-00-00, TEST 3A - IDLE POWER.SDR UALA2012012700563Relay · faultyL ENG VERY SLOW TO START. DEFERRED PER SAMC. RPLC'D THE ERU PER MM, SYSTEM TESTED GOOD. TWO STARTS NO PROBLEM. CHECKED WIRING TO ERU FOUND TO BE OK.SDR ASAA12510993Hmu · faultyFOLLOWING NORMAL ENGINE START MASTER CAUTION ILLUMINATED WITH NR 1 ENGINE CONTROL LIGHT. NO OTHER ABNORMAL ENGINE INDICATION. BITE TEST NR 1 ENG AND FOUND MSG 75 20581 TBV POSITION SIGNAL AND DEMAND SIGNAL DISAGREE. ACCOMPLISHED FIM TASK 75 23 00 810 801 F0SDR UALA2012011900413Sense Line · leakingREF EG6537-1 FOUND HOLE IN LINE. ACP'D MM. FOUND SENSE LINE LEAKING. REMOVED LINE AND LEAK CHECKED ALL OTHER LINES IN 4.95 EPR SYSTEM. ALL OTHER LINES LEAK CHECK OKAY. CLAMPS ON AOG FOR REPLACEMENT LINE. REPLACED SENSE LINE, LEAK CHK GOOD. RAN ENG PER JSDR SWAA120390Hmu · faultyAIR TURNBACK -- AFTER T/O AWA NORMAL INITIAL CLIMB L/O AT 9000FT AND 250 KIAS. WHEN CLEARED FOR FURTHER CLIMB RR CLIMB NR 1 ADVANCED NORMALLY NR 2 ENGINE FAILED TO RESPOND OR ROLLED BACK SLIGHTLY. REMOVED AND REPLACED NR 2 ENG HMU AND FUEL PUMP ASSY IAW MM.SDR HALA2012011600028Eec · malfunctionedETOPS SIGNIFICANT SYS - AFTER ENGINE START, RIGHT EEC INOPERATIVE, LIGHT ILLUMINATED. RESET RT EEC. PERFORMED ENGINE RUN. ALL OPS CHECKED GOOD.SDR UALA2012011200271Eec · failedIDLE DISAGREE EICAS, RTFL. REPLACE RT ENGINE EEC FOR TROUBLESHOOTING. REPLACED EEC PER AMM, ACCOMPLISHED ENG RUN PER TASK 6 MM 71-00-00-501, NO HELP. CARRIED OUT PIMU BITE TEST FOUND CHANNEL A & B MESSAGES, EEC UNIT FAIL-EEC CTRL- EEC CAT 1 AND EEC CAT 2 MESSSDR CA120115008O-Ring · cut(CAN) SHORTLY AFTER LEVELING AT CRUISE FL410, THE NR 2 ENGINE N1 ROLLED BACK FROM ABOUT 90 PERCENT TO 70 PERCENT WITH ASSOCIATED FUEL FLOW DECREASE. THE CREW INITIATED A DESCENT, NOTICED A KNOB SPLIT BETWEEN THE 2 ENGINES, DID NOT SHUTDOWN THE ENGINE AND A NOSDR UALA2012010600139Actuator · leakingNR 1 ENGINE VARIABLE STATOR VANE ACTUATOR LEAKING FUEL AFTER 5 MIN ENGINE RUN. REPLACED VARIABLE STATOR VANE ACTUATOR.SDR AALA20120103DFW01Probe · leakingDFW - CREW REPORTED RIGHT THROTTLE 3 KNOBS FORWARD OF LEFT WITH EPR MATCHED. EMERGENCY DECLARED FLIGHT RETURNED DFW LANDED WITHOUT INCIDENT. AIRCRAFT REMOVED FROM SERVICE. REPLACED PT2 ON RIGHT ENGINE THAT WAS LEAKING. SYSTEM GROUND CHECK NORMAL OPERATION.SDR CVGA20120022Warning System · activatedRIGHT ENGINE CONTROL SYSTEM FAULT LIGHT ILLUMINATED AFTER TAKEOFF.SDR HALA2011122900620Warning Light · false activationETOPS SIGNIFICANT SYS - BTB RT EEC EICAS. RT ENGINE EEC ON STARTUP. INFO NOTED. BITE EEC NO FAULTS NOTED. RAN ENGINES AT GATE, ALL OK IAW FIM 71 EEC MX MONITOR UNIT BITE PROCEDURE, FIG 104 ALL SYS OK.SDR HALA2011122500614Warning Light · illuminatedETOPS SIGNIFICANT SYS - ON STATUS PAGE ON LOWER EICAS, LT EEC ENGINE C1 LIGHT CAME ON, NO OTHER INDICATIONS. TROUBLESHOT IAW FIMM 73-21-00-101, FIG 115 TO PIMU MESSAGE INDEX. PERFORMED BITE TEST, FAULT DOT 3 CR CHECK FAILED. CHECKED CONNECTION, EEC M198 TO NSDR CA120115003Fuel Control · malfunctioned(CAN) DURING FLIGHT, THE ENGINE LOST POWER AND THE PILOT HAD TO USE THE EMERGENCY POWER LEVER IN ORDER TO RECOVER POWER. THE ACFT LANDED SAFELY AND TROUBLESHOOTING FOUND THE P3 AIR HEAT INOPERATIVE WHICH LEAD THE CUSTOMER TO BELIEVE THE P3 TUBE MAY HAVE BLOCKSDR UALA2011121406874Filter · defectiveNR 2 ENG FUEL SERVO HEATER FILTER DPI POPPED. REPLACED FILTER PER AMM, NO CONTAMINATION FOUND IN REMOVED FILTER. RESET DPI AFTER INSTALLING NEW FILTER.SDR CA111226003B-Nut · loose(CAN) DURING CRUISE, IT APPEARS THAT THE CABIN CREW SAW FIRE OUT OF THE NO. 1 ENGINE AND REPORTED IT TO THE PILOT WHO SHUT DOWN AND SECURED THE ENGINE BEFORE DISCHARGING THE FIRE BOTTLES. THE CREW PERFORMED A SINGLE ENGINE LANDING WITHOUT FURTHER PROBLEMS. SDR USAA2011121500027Sensor · faultyCREW REPORTED THE NR 1 ENGINE PMC FAULT LIGHT ILLUMINATED ON TAXI OUT. CREW ACCOMPLISHED PMC INOP PROCEDURE FOR TAKEFOFF. THEN AFTER TAKEOFF, THE RIGHT ENGINE WAS UNABLE TO PRODUCE CLIMB THRUST. FLIGHT RETURNED TO FIELD AT CLT AND LANDED WITHOUT FURTHER INCSDR DXTA2011113004805Fadec · malfunctionedCRUISE ALTITUDE 43000', NR 2 ENGINE BEGAN TO SLOWLY LOSE POWER. POWER DECLINED TO APPROX 50 PERCENT. PRECAUTIONARY LANDING. AT LOWER ALTITUDES THROTTLE HAD LITTLE EFFECT CONTROLLING ENGINE. ENGINE WOULD NOT ACCELERATE ABOVE FLT IDLE REGARDLESS OF THROTTLE SDR HALA2011112900550Eec · noneETOPS SIGNIFICANT SYS - MX LEVEL EICAS MESSAGE RT ENGINE EEC C2 DISPLAYED. PERFORMED FIM 73-21-00, FIG 116 NO FAULTS NOTED IAW MEL 73-21-10, NOTE 2 RT ENGINE EEC C2 FAULTS ARE ALLOWED BY ENGINE TYPE CERTIFICATE, MEL DISPATCHED NOT NECESSARY OK FOR SERVICE.SDR HALA2011112800546Eec · malfunctionedETOPS SIGNIFICANT SYSTEM - LEFT ENGINE EEC C1 STATUS MESSAGE DISPLAYED. BITE CHECKED PIMU & FOUND EEC CHANNELS A & B FMU CR- CHECK FAILED. TROUBLESHOT PER FIM. PIMU MESSAGE INDEX FOUND RESISTANCES WITHIN LIMITS OF FIM & PINS B,A,E,C,D DO NOT GO TO GROUND. SDR ASOA201111231005Fadec · failedTHE CREW REPORTED THAT AFTER ROTATION THE ACFT YAWED AND THE F/O CALLED POWER LOSS. THE POWER LEVERS WERE PUSHED FULL FORWARD AND THE N1 ON THE LT ENGINE WAS AROUND REMAINED AROUND 24 PERCENT. THE ACFT RETURNED TO DEPARTURE AND LANDED WITHOUT INCIDENT WHERE MSDR UALA2011112306450Switch · faultyNR 1 ENG FUEL VAPOR FROM TAIL PIPE ON SHUT DOWN. REPLACED LT ENG FUEL CUT OFF SWITCHES AND PLUGS D109J AND D110J PER MM. ACCOMPLISHED TWO STOP STARTS PER JHR, FUEL FLOW 0 WHEN PUT INTO CUTOFF.SDR CA111129003Sense Line · loose(CAN) TAKEOFF WAS ABORTED FOR HIGH ENG TEMPERATURE INDICATIONS. THE ACFT RETURNED TO THE RAMP, WHERE INSPECTION FOUND AN AIR LEAK FROM A LOOSE SENSING LINE ON THE HANDLING BLEED VLV P2 4. THE PROBLEM WAS RECTIFIED, THE TEMP EXCURSION WAS FOUND TO BE WITHIN L
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