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 VTZA96206Bypass Valve · failedFLT NR 6241 - IAD-PHF - DURING CLIMB, MADE AN UNSCHEDULED LANDING DUE TO RIGHT ENGINE TORQUE AND EGT FLUCTUATED IN FLIGHT. AIRCRAFT RETURNED TO GATE WITH NO FURTHER INCIDENTS. MX REMOVED AND REPLACED TTL VALVE PLUS CLEANED ZONE 2 CANNON PLUG CONNECTOR. AIRCSDR AALA960840Fuel Governor · defectiveSJU - FLT 1470 - ON DESCENT TO SJU, THE NR 2 ENGINE WOULD NOT ADVANCE FROM IDLE POSITION. LANDED SJU WITHOUT INCIDENT. REPLACED NR 2 ENGINE FUEL GOVERNOR AND THROTTLE ANGLE TRANSDUCER. RAN ALL NECESSARY RUN-UP CHECKS. SYSTEM GROUND CHECKED, NORMAL OPERATIOSDR VNAA9600039Connector · looseLEFT ENGINE TORQUE INDICATOR SURGED AND PROPELLER RPM INDICATOR FLUCUATED DURING TAKEOFF. CREW CONTINUED ON WITH THE TAKEOFF. THE FLUCUATION AND SURGE PROBLEMS CONTINUED AFTER T/O. THE CREW ELECTED TO RETURN TO THE FIELD. AIRCRAFT LANDED WITHOUT FURTHER INSDR REXA96018Hmu · failedRIGHT ENGINE MADE A VOLUNTARY IN-FLIGHT SHUT DOWN. NO ABNORMAL INDICATIONS OBSERVED PRIOR, DURING, OR AFTER SHUT DOWN. (CRUISE 11,000 MSL, CLEAR WEATHER.) FOUND HMU SHAFT SEIZED. REMOVED AND REPLACED HMU IAW SAAB AMM. RAN RT ENGINE, NO DEFECTS NOTED. (X)SDR P5CA9600234Condition Motor · inoperativeNR 2 ENGINE WOULD NOT START AFTER PUSH BACK, RETURNED TO BLOCKS. REMOVED AND REPLACED NR 2 FUEL CONDITION MOTOR PER MM 76-11-04.SDR 96NK171Fuel Control · out of adjustLOG PAGE 7770. ABORTED TAKEOFF. ON TAKEOFF, LEFT ENGINE DEVELOPED ONLY 1.8 EPR AT 90 PERCENT N1, RIGHT ENGINE DEVELOPED 1.78 EPR AT 88 PERCENT N1, BOTH POWER LEVERS WERE AGAINST THE STOPS. CORRECTIVE ACTION: TRIMMED NR 1 AND NR 2 ENGINES IAW MM 71-00. REFESDR RAIA960531P3 Line · leakingJLN - FLT 7026 - RIGHT ENGINE DID NOT MAKE TARGET TORQUE. MAINTENACNE REPLACED RT P3 LINE. PERFORMED GROUND RUNS, OPS CHECK GOOD. (M)SDR ASOA96016P3 Line · brokenLEVELING OFF AT 2000 FEET DEPARTING DFW, LEFT ENGINE SURGED SLIGHTLY AND SHUTDOWN COMPLETELY WITH AUTOFEATHER. NO LIMITATIONS WERE EXCEEDED. AN EMERGENCY WAS DECLARED AND THE AIRCRAFT RETURNED TO DFW WHERE A LANDING WAS MADE WITHOUT INCIDENT. UPON INSPECTIOSDR SIMA961412Hmu · failedIAH - FLT 3671 - DURING DESCENT FROM 12,000 FEET, A LOUD POP WAS HEARD FROM NR 1 ENGINE FOLLOWED BY A DECREASE IN TEMPERATURE, TORQUE, AND ENGINE SPEED. IGNITION LIGHT CAME ON BUT ENGINE DID NOT RE-LIGHT. THE CREW FOLLOWED THE ENGINE FAILURE CHECK LIST AND LSDR RAIA960526P3 Tube · crackedSTL - FLT 7094 - NR 1 ENGINE FUEL PRESSURE AND OIL TEMP IND. CIRCUIT BREAKERS TRIPPED AND WOULD NOT RESET. REPLACED P3 BLEED AIR TUBE. (M)SDR P5CA9600230Ps4 Line · looseAFTER AIRCRAFT WAS PUSHED OFF BLOCKS, UNABLE TO START NR 1 ENGINE, HANGING WITH NO ACCELERATION. INSPECTED AND FOUND BURNER PRESSURE SENSE PS4 LINE LOOSE AT FCU. TIGHTENED SAME, ENGINE START AND OPERATION NORMAL IAW MM 71-00-00.SDR RAIA960522Bypass Valve · stickingMRY - FLT 4760 - ON CLIMB, NR 2 ENGINE FUEL FLOW, TORQUE AND EGT DROPPED OFF. MX REPLACED FUEL BYPASS VALVE. (M)SDR CA960529004Fuel Contrl Unit · blocked orifice(CAN)DURING A SIMULATED ENGINE FAILURE, THE #2 ENGINE RETARDED TO IDLE. AFTER THE EXERCISE TERMINATED, THE THROTTLE WAS ADVANCED TO RESTORE POWER BUT THE ENGINE FAILED TO RESPOND. BLOCKED PC AIR ORIFICE INTHE FCU. THIS ENGINE HAD UNDERGONE HOT SECTION INSPECTISDR VTZA96190Inlet Sensor · out of positionFLT NR 6424 - IAD-BUF - ABORTED TAKEOFF DUE TO THE LEFT ENGINE POWER DROPPING OFF 40 PERCENT DURING THE TAKEOFF ROLL. AIRCRAFT RETURNED TO GATE WITH NO FURTHER INCIDENTS. MAINTENANCE REPOSITIONED T2 SENSOR. AIRCRAFT WAS RELEASED APPROVED FOR RETURN TO SERVISDR AALA960761Regulator · defectiveORD - FLT 1552 - DURING DESCENT INTO ORD, PASSING THROUGH FL 330 WITH LEFT AIRFRAME/ENGINE ANTI-ICE ON, NR 2 ENGINE ROLLED BACK WITH CORRESPONDING EICAS MESSAGE. ENGINE RE-START PROCEDURE SUCCESSFUL AND AIRCRAFT LANDED ORD WITHOUT INCIDENT. REPLACED NR 2 ENGSDR UF6A960501Py Line · looseORD - FLT 5715 - RIGHT ENGINE ON CLIMB-OUT FELL OFF TO 65 PERCENT AND REMAINED, WOULD NOT INCREASE, POWER LEVER WORKED WELL BELOW 65 PERCENT. MX FOUND PY LINE LOOSE, TIGHTENED AND SECURED. SYSTEM OPS CHECKED GOOD. (M)SDR AU960994Coupling · sheared(AUS) RH ENGINE DRIVEN FUEL PUMP TO FCU DRIVE COUPLING SHEARED - SUSPECT CAUSED BY FAILURE OF FCU FRONT BEARING - ENGINE SUFFERED A MAJOR OVERTEMPERATURE, OVERTORQUE AND OVERSPEEDSDR 96ZZZX2894P3 Line · looseON CLIMB-OUT AT 44,000 FEET, THE LT ENGINE FLAMED OUT. RESTARTED ENGINE AND UPON LANDING, MAINTENANCE INSPECTED THE LEFT ENGINE INLET, COMPRESSOR BLADES, TURBINE BLADES, INLET GUIDE VANES, INLET GUIDE VANE RIGGING, T-2 HOSE, AND P-3 LINE. FOUND P-3 LINE LOOSSDR 96ZZZM880Flow Contl Vlv · failedFLT 6546 - IAD-ROA - ABORTED THE TAKEOFF DUE TO BOTH ENGINES BEING TEMPERATURE LIMITED DURING THE TAKEOFF ROLL. AIRCRAFT RETURNED TO GATE WITH NO FURTHER INCIDENTS. MAINTENANCE COMPLETED THE FOLLOWING ADJUSTMENTS/REPLACEMENTS, LEFT ADJUSTED THE COMPENSATING SDR AALA960689Pb3 Line · looseBOS - FLT 86 - EN ROUTE ORD/LHR DURING CRUISE AT FL 290, NR 1 ENGINE SPOOLED DOWN. ATTEMPTED RESTART WAS UNSUCCESSFUL. AIRCRAFT DESCENDED TO FL250 AND RESTART WAS SUCCESSFUL, HOWEVER, ENGINE WOULD NOT ADVANCE PAST IDLE. AIRCRAFT DIVERTED TO BOS AND LANDED WSDR 96ZZZM919P And D Valve · malfunctionedON FLT 400 - ATL-ATL - AIR RETURN, AFTER TAKEOFF CLIMB POWER WAS SET, THE NR 2 ENGINE BEGAN TO SURGE, EPR 1.5-1.7, F/F PLUS MINUS 1500 LBS/HR, EGT, N1, N2 ALSO FLUCTUATED. REPLACED PRBC AND P AND D VALVES IAW MM 73-10-2 (P AND D) AND 75-31-1 (PRBC), RAN NR 2 SDR CA960509201Hose · deteriorated(CAN)PILOT REPORTED ROUGH RUNNING ENGINE ACCOMPANIED BY BLACK EXHAUST. PIECES OF INJECTOR AIR BLEED HOSE FOUND INSIDE THE NOZZLE ASSEMBLES.SDR 96ZZZM839Fuel Tube · out of positionFLT 442 - MHH/MIA - RIGHT ENGINE LOST POWER IN FLIGHT, UNABLE TO INCREASE OR DECREASE POWER. PRECAUTIONARY ENGINE SHUT DOWN. TROUBLE SHOT SYSTEM, REPOSITIONED FUEL TRANSFER TUBE. LEAK CHECK AND OPS CHECK GOOD.SDR 96ZZZX3841Servo · failedSERVO MOTOR FAILED IN-FLIGHT. MOTOR SHORTED OUT CAUSING CIRCUIT BREAKER TO TRIP.SDR CA960429002Fcu · malfunction(CAN)AFTER THE FIRST START OF THE DAY, WITH THE ENGINE AT IDLE, ADVANCING THE POWER LEVER BROUGHT NO RESPONSE FROM THE ENGINE. NO DEFECT COULD BE FOUND AND ENGINE SUBSEQUENTLY GROUND RUN AND PERFORMANCE RUN CARRIED OUT WITHOUT FAULT. THE AIRCRAFT FLEW THE REMASDR AWXA960195Press/Dump Vlv · failedPHX - FLT 630 - COULD NOT MAKE FULL TAKEOFF POWER, NR 2 =2.14, NR 1=2.08. REMOVED AND REPLACED PRESSURIZING AND DUMP VALVE PER IAW R5M73008. LEAK CHECK GOOD. (M)SDR 9608903244Hmu · malfunctionedDURING CRUISE FLIGHT NR 2 ENGINE FLAME-OUT OCCURRED, ONE UNSUCCESSFUL RELIGHT WAS ATTEMPTED. THE NR 2 ENGINE FIRE BOTTLE DISCHARGED AND NO ABNORMAL ENGINE OPERATING PARAMETERS WERE NOTICED PRIOR TO FLAME-OUT. AIRCRAFT DIVERTED TO SLC AND LANDED WITHOUT FURTHSDR RAIA960421Fuel Control · out of adjustSTL - FLT 7456 - LEFT ENGINE RPM WAS 103 DEGREES IN PROP GOV RANGE. MAINTENANCE ADJUSTED LEFT ENGINE RPM, GROUND RUNS GOOD. (M)SDR WTAA960076Fuel Control · out of adjustSMF - BOTH ENGINE REPORTED TO NOT DEVELOP RATED POWER AT 14,000 FEET DURING CLIMB. ENGINES REPORTED POWER LEVER LIMITED. AIRCRAFT RETURNED TO STATION WITHOUT INCIDENT. MAINTENANCE ACCOMPLISHED ENGINE GROUND RUN AND FOUND BOTH ENGINES TO OBTAIN REQUIRED POWESDR 96ZZZX2273P3 Line · crackedOMA - FLT 5737 - DURING CLIMB, THE RIGHT ENGINE LOST POWER. CREW LANDED IN OMA WITHOUT INCIDENT. MAINTENANCE REMOVED AND REPLACED THE CRACKED P-3 LINE. OPS CHECKED NORMAL, AIRCRAFT RETURNED TO SERVICE.SDR 96ZZZX2272Py Line · crackedMCI - FLT 5727 - DURING CLIMB-OUT, THE LEFT ENGINE LOST POWER. THE CREW SHUT THE ENGINE DOWN AND RETURNED TO FIELD. MAINTENANCE REPLACED PY-LINE AND RETURNED AIRCRAFT TO SERVICE.SDR 96UAL900260Throttle Control · malfunctionedAFTER LEVEL OFF AT CRUISE ALTITUDE, NR 1 THROTTLE WOULD NOT RETARD BELOW 93 PERCENT N1 WITH AUTOTHROTTLES ON OR OFF. RETURNED TO DEN AND SHUTDOWN NR 1 ENGINE PRIOR TO LANDING IN DEN.SDR RAIA960408P3 Line · failedSTL - NR 7280 - RIGHT BETA LIGHT ILLUMINATED ON TAKEOFF ROLL. MAINTENANCE REPLACED P3 LINE, GROUND RUNS GOOD. (M)SDR AU960571Pipe · cracked(AUS) COMPRESSOR SCROLL TO PC FILTER INLET PIPE CRACKED ACROSS FLARE AND PARTIALLY BLOCKED WITH CARBONSDR VTZA96130Fuel Contl Unit · out of adjustFLT NR 6296 - IAD-ROC - ABORTED TAKEOFF DUE TO THE LEFT ENGINE ONLY MAKING 95 PERCENT ON THE TAKEOFF ROLL. AIRCRAFT RETURNED TO GATE WITH NO FURTHER INCIDENTS. MAINTENANCE ADJUSTED THE MAX FUEL FLOW. AIRCRAFT WAS RELEASED AND APPROVED FOR RETURN TO SERVICE.SDR AU960405Connector · high resistance(AUS) GOVERNOR LINEAR ACTUATOR (PNO 206062721103) EARTH TERMINAL CRIMP HAD HIGH RESISTANCE PREVENTING ACTUATOR FROM WORKING DURINGLANDINGSDR USAASB96053Fuel Control · out of adjustFLT NR 627 - PIT - TEN MINUTES AFTER LEVEL OFF (31,000) IN CRUISE THERE WAS A (4) KNOB THROTTLE SPLIT. ENGINE 1 WAS BEHIND ENGINE 2. PMCS WERE TURNED OFF. THE SPLIT REMAINED. ALL OTHER INDICATIONS WERE NORMAL. MAINTENANCE ACCOMPLISHED MEC ADJUSTMENT OF NRSDR VTZA96129P3 Line · failedFTL NR 6586 - IAD-ISP - DURING CLIMB-OUT, RETURNED TO IAD DUE TO THE AIRCRAFT NOT PRESSURIZING. AIRCRAFT LANDED WITH NO FURTHER INCIDENTS. MAINTENANCE REPLACED LEFT P3 LINE AND RECONNECTED RIGHT ACM DUCT. AIRCRAFT WAS RELEASED AND APPROVED FOR RETURN TO SERSDR 9606809754Pt2 Tube · crackedNR 1 ENGINE EPR INDICATION DID NOT REACH TARGET ON TAKEOFF. THE TAKEOFF WAS ABORTED AND THE AIRCRAFT RETURNED TO THE GATE. MAINTENANCE FOUND THE PT2 TUBE CRACKED IN THE NOSE DOME. THE ENGINE NOSE DOME/PT2 PROBE ASSEMBLY WAS REPLACED WITH A SERVICEABLE UNIT.SDR TC8A96009Ps4 Line · looseNR 2 ENGINE WILL NOT ACCELERATE PAST IDLE POWER WHEN THROTTLE IS ADVANCED. FOUND PS4 LINE LOOSE, TIGHTENED. ALSO, CLEANED PS4 FILTER, OPS CHECKED ON RUN UP AS PER MM 71-00 NORMAL. (M)SDR AU960357Pipe · broken(AUS) NO2 ENGINE P3 SENSE LINE FROM COMPRESSOR TO HMU FRACTURED AT HMU 'T' FITTING - VIBRATION FROM FAILED RH STARTER/GENERATOR MAY HAVECONTRIBUTED TO FAILURE (MDR 96/0356)SDR GLBA96061Hmu · malfunctionedBIS - CREW REPORTED, THE RIGHT EEC FAILED IN FLIGHT. CREW ELECTED AN AIR TURN BACK AND MADE AN UNEVENTFUL LANDING. MAINTENANCE REMOVED AND REPLACED RIGHT HMU. LEAK AND OPS CHECKS WERE GOOD. (M)SDR VTZA96116Fuel Contl Unit · out of adjustFLT NR 6286 - IAD- CMH - ABORTED TAKEOFF, DUE TO THE RIGHT ENGINE NOT MAKING TAKEOFF TORQUE. AIRCRAFT RETURNED TO GATE WITH NO FURTHER INCIDENTS. MAINTENANCE ADJUSTED THE MAX FUEL FLOW. AIRCRAFT WAS RELEASED AND APPROVED FOR RETURN TO SERVICE. (M)SDR 96ZZZM675Connector · failedFLT NR 6175 - ELM-IAD - ABORTED THE TAKEOFF DUE TO THE LEFT ENGINE EGT FLUCTUATING ON THE TAKEOFF ROLL. AIRCRAFT RETURNED TO GATE WITH NO FURTHER INCIDENTS. MAINTENANCE OPENED DMI NR 06498 IAW MEL 76-1 ON THE SRL SYSTEM. MAINTENANCE LATER CLEARED DMI NR 064SDR COMA9610102Circuit Breaker · trippedFLIGHT IDLE STOP SOLENOID CIRCUIT BREAKER IS TRIPPED. RESET BREAKER, SYSTEM TEST NORMAL.SDR 96ZZZX2540Engine · out of adjustABORTED TAKEOFF, NR 1 ENGINE WOULD NOT MAKE TARGET EPR (1.95) N1 INDICATED 847 DEGREES WITH LEFT THROTTLE ALL THE WAY TO STOP (N2, FUEL FLOW, EGT APPEARED NORMAL ON NR 1 ENGINE). EPR WOULD ONLY MAKE 1.84 THROTTLE FULL FORWARD. TRIMMED NR 1 ENGINE TO MM REF 7SDR DHL96802001Flight Idle · out of adjustNUMBER ONE ENGINE FLAMED OUT ON DESCENT INTO BRUSSELS, NO FUEL FLOW INDICATED AND NO ATTEMPT WAS MADE TO RESTART. ADJUSTED FLIGHT IDLE PER 73-21-10 TO 74.5 N2, RAN ENGINE AND OPERATIONS CHECKED OKAY PER 71-00-00.SDR MWEA96055Pt 2 Line · ice buildupPILOT REPORTS UPON SPOOLING UP FOR TAKEOFF, THE NR 1 ENGINE EPR WOULD NOT RISE ABOVE 1.4 INDICATED. ALL OTHER PARAMETERS NORMAL. RETURN TO GATE. FOUND ICE IMBEDDED IN PT2 INLET. CLEANED ICE. RAN ENGINE TO TAKEOFF POWER. OPS CHECK GOOD.SDR RAIA960301Hmu · failedBHM - FLT 7459 - NR 2 ENGINE TORQUE DROPPED DURING CLIMB. REPLACED HYDRO-MECHANICAL UNIT. (IRELAND). (X)SDR CA960311033Fuel Flow Reg · faulty(CAN)DURING CLIMB, #1 ENGINE EXCEEDED MAXIMUM TGT FOR THIS STAGE OF FLIGHT. THE ENGINE WAS SHUT DOWN, AND AIRCRAFT RETURNED TO BLOCKS. THE FUEL FLOW REGULATOR WAS REPLACED, GROUND RUN WAS CARRIED OUT AND F OUND SERVICEABLE.
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