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 VTZA95220Fuel Control · out of adjustIAD/TYS - FLT 6160 - DURING TAKEOFF AT 1415 HRS ON 7-16-95, ABORTED TAKEOFF DUE TO THE LEFT ENGINE NOT MAKING TAKEOFF TORQUE. AIRCRAFT RETURNED TO GATE WITH NO FURTHER INCIDENTS. MAINTENANCE ADJUSTED THE MAX FUEL FLOW. AIRCRAFT WAS RELEASED AND APPROVED FORSDR VTZA95221Fuel Control · out of adjustIAD/CHO - FLT 6356 - DURING TAKEOFF AT 0945 ON 7-15-95, ABORTED TAKEOFF DUE TO THE NR 2 ENGINE WOULD NOT MAKE TAKEOFF TORQUE. AIRCRAFT RETURNED TO GATE WITH NO FURTHER INCIDENTS. MAINTENANCE RERIGGED RT ENGINE. AIRCRAFT WAS RELEASED AND APPROVED FOR RETURN SDR RAIA950714Hmu · malfunctionedSTL - FLT 7126 - LT ENGINE LOW POWER, 28 PERCENT TQ. MAINTENANCE REPLACED LT ENG HYDROMECHANICAL UNIT AS PER PWC MM 72-40-00. GROUNDS RUNS REVEALED NORMAL OPERATION AND LEAK CHECK GOOD. (W)SDR HEEA955336Servomotor · trips breakerPOPS CIRCUIT BREAKER. INSPECTED BY ACCESSORY OVERHAUL SHOP AND FOUND MOTOR HAS INTERMITTENT OPERATION.SDR MALA954531Hmu · failedFLT 3169 - IN CRUISE FLIGHT, THE LEFT ENGINE EXHIBITED FLUCTUATIONS IN FUEL FLOW, NH, AND TORQUE. THE AIRCRAFT RETURNED TO DTW. MAINTENANCE REPLACED THE LEFT HMU. ALL SYSTEMS OPERATED SATISFACTORILY. (M)SDR WTAA950226Tube Assy · air leakSFO - RT ENGINE TORQUE DROPPED TO ZERO IN FLIGHT. ENGINE REPORTED UNRESPONSIVE TO ENGINE CONTROL CHANGES. CREW DECLARED EMERGENCY AND CONTINUED TO STATION WITHOUT INCIDENT. MAINTENANCE DISCOVERED LEAKING PNEUMATIC PRESSURE SENSING TUBE ASSEMBLY FROM OVERSPESDR 95ZZZM242P3 Line · crackedCOMING OUT OF OMA LEFT ENGINE LOST TORQUE, CREW SHUT DOWN LEFT ENGINE AND RETURNED TO OMA. MAINTENANCE FOUND P3 LINE CRACKED. REPLACED LINE OPS CHECKED NORMAL. (M)SDR RAIA950635Fuel Control · out of adjustSTL - FLT 7039 - RT ENGINE DID NOT MAKE TARGET TORQUE. MAINTENANCE ADJUSTED RIGGING ON RT FUEL CONTROL UNIT AND ADJUSTED RT EGT COMPENSATOR. (X)SDR 9509912255Fuel Control · out of adjustNR 3 ENGINE DID NOT DEVELOP TARGET TAKEOFF THRUST. THE TAKEOFF WAS ABORTED AND THE AIRCRAFT RETURNED TO THE GATE. MAINTENANCE TRIMMED AND INSPECTED THE ENGINE. SUBSEQUENT PERFORMANCE CHECK WAS SATISFACTORY. AIRCRAFT RETURNED TO SERVICE.SDR DL31L952674Fmu · failedDURING CRUISE HAD FLUCTUATING NR 1 ENGINE EPR INDICATIONS, RETURNED JFK. REPLACED NR 1 FMU, PERFORMED RUNUP, OPERATION NORMAL.SDR 95ZZZX4060Servo · diaphragm tornDURING CRUISE, RT MAG INTERMITTENT. AT 14,000 FEET ALTITUDE, FUEL VENTING OUT OF LT ENGINE INBOARD UPPER COWL VENT. FOUND FUEL SERVO DIAPHRAGM TORN ALLOWING FUEL INTO AIR SIDE. FUEL VENTED OUT MAG FILTER AND INTO MAG CAUSING MISFIRE.SDR COM11917Hmu · leakingRT ENGINE IS LEAKING FUEL. REPLACED THE ENGINE HMU.SDR WWMA9500043Hmu · defectiveFUNCTIONAL CHECK, FLIGHT 7794 LAS/LAX - PILOT REPORTED THAT DURING TAKEOFF AT 400 FEET HE ENCOUNTERED A COMPRESSOR STALL ON THE LT ENGINE. INFLIGHT SHUTDOWN PROCEDURES WERE EFFECTED ON LT ENGINE AND AIRCRAFT RETURNED TO THE FIELD WITHOUT INCIDENT. MAINTENANCSDR 95ZZZX3190Fcu · contaminatedDTW - ABORTED TAKEOFF. NR 1 ENGINE WOULD NOT REACH TAKEOFF E.P.R. DRAINED F.C.U. MOISTURE TRAP, CLEANED VENT HOLE. ENGINE IS A LOANER, SCHEDULED FOR REMOVAL 6-7-95. ENGINE OWNER NOTIFIED OF CONDITION. REF: OPERATOR CONTROL NR Y2PA95006.SDR USAA950548Mec · failedCLT - FLT 44 - FLIGHT EN ROUTE FLL TO LGA WHEN NR 1 ENGINE PARAMETERS BEGAN FLUCTUATING. CREW DIVERTED TO CLT WHERE LANDING WAS MADE WITHOUT FURTHER INCIDENT. MAINTENANCE REPLACED NR 1 ENGINE MEC. PERFORMED TRIM RUN AND LEAK CHECK, OPS CHECKS OK. AIRCRAFT SDR SIMA951501Harness · chafedORD - FLT 4047 - NR 1 ECU FAULTED IN FLIGHT. REMOVED AND REPLACED NR 1 ENGINE HARNESS. OPS CHECK ON GROUND GOOD, IAW JIC 73-23-61 RUNUP PROCEDURES. AIRCRAFT RETURNED TO SERVICE. (W)SDR USAA950536Pt2 Line · crackedMIA - FLT NR 1166 - THE EPR GAUGE FOR THE NR 2 ENGINE FAILED AFTER TAKEOFF. THE FLIGHT DIVERTED TO MIA. REPLACED PT2 LINE AND TIGHTENED PT7 LINE. (M)SDR SIMA951481Nh Sensor · malfunctionedFWA - FLT 4393 - NR 2 ENGINE TORQUE SURGE DURING CLIMB. REMOVED AND INSPECTED NR 2 ENGINE NH SENSOR, IAW MM 72-00-00. PERFORMED GROUND PERFORMANCE RUNS. AIRCRAFT RELEASED FOR SERVICE. (W)SDR MEJA9505003P3 Line · looseWHILE ON DESCENT IN LIGHT TURBULANCE FROM 8000 TO 6000 FEET, THE RIGHT ENGINE FLAMED OUT. SECURED ENGINE AND LANDED AT DAL WITHOUT FURTHER INCIDENT. MAINTENANCE FOUND P3 LINE TO FUEL CONTROL LOOSE AT ENGINE. TORQUED B-NUT AND PERFORMED FUNCTIONAL CHECK. NOSDR 95ZZZX4452Line · crackedTHE CREW INDICATED THE LEFT ENGINE WOULD NOT MAKE POWER AT CRUISE ALTITUDE. UPON INVESTIGATION, FOUND THE P2T2 SENSE LINE WAS CRACKED AT THE PROBE. SUBMITTER RECOMMENDS THE LINE BE REPLACED WITH A SUITABLE FLEXIBLE LINE. THIS WILL ELIMINATE THE POSSIBILITY SDR WTAA950194Bypass Valve · failedCIC - LEFT ENGINE FLAMEOUT REPORTED DURING ROLLOUT FROM LANDING. MAINTENANCE REMOVED AND REPLACED LEFT ENGINE FUEL BYPASS VALVE. ENGINE LEAK CHECK AND OPERATIONAL CHECK NORMAL DURING ENGINE GROUND RUN. AIRCRAFT RETURNED TO SERVICE. (W)SDR 95ZZZX5087Solenoid · defectiveSOLENOID DOES NOT WORK CONSISTENTLY. IT SOMETIMES DOES NOT OPEN AND SOMETIMES DOES NOT CLOSE.SDR 95ZZZX4135Manifold · dirtyDURING SCHEDULED ET INSPECTION OF THE NR 4 ENGINE FUEL MANIFOLDS, FOUND INDICATION OF SOOT AT THE SCALLOPS. REPLACED BOTH NR 4 ENGINE FUEL MANIFOLDS. A/C TT 9434 - RIGHT.SDR 95ZZZX4134Manifold · dirtyDURING SCHEDULED ET INSPECTION OF THE NR 4 ENGINE FUEL MANIFOLDS, FOUND INDICATION OF SOOT AT THE SCALLOPS. REPLACED BOTH NR 4 ENGINE FUEL MANIFOLDS. A/C TT 6445 - LEFT.SDR SWIA95578P3 Line · looseAT 2,000 FEET, THE LEFT ENGINE TORQUE DROPPED TO 35 PERCENT. TEMPERATURE DROPPED TO 530 DEGREES. RESECURED B-NUT AT P3 AIR LINES AT FUEL CONTROL. GROUND RUN AND OPS CHECKS GOOD.SDR RAIA950505Fuel Control · out of adjSTL - FLT NR 7418 - RT ENGINE RPM ACCELERATED TO 104 PERCENT RPM AND STAYED THERE FOR ABOUT 5 SECONDS THEN CAME DOWN TO 103 PERCENT. MAINTENANCE ADJUSTED RT ENGINE ADJUSTMENT SCREWS X AND V AND FLIGHT IDLE FUEL FLOW. GROUND RUNS REVEALED NORMAL OPERATION. (SDR BIER950012Mixture Cable · failedFOUND MIXTURE CABLE BROKEN AT MIXTURE END ROD END ATTACH. REMOVED AND REPLACED CABLE. SUBMITTER STATES PROBLEM SEEMS TO BE FROM INSUFFICIENT LUBRICATION OF CABLE, CABLE MOVEMENT WAS EXTREMELY STIFF WHEN REMOVED.SDR WTAA950184Eec · malfunctionedSFO - LEFT ELECTRONIC ENGINE CONTROL (EEC) TRIPPED OFF LINE DURING TAKEOFF ROLL. TAKEOFF ABORTED WITHOUT INCIDENT. MAINTENANCE RESET LEFT EEC. SYSTEM OPERATIONAL CHECK NORMAL. AIRCRAFT RETURNED TO SERVICE. (W)SDR MALA954451Hmu · failedFLT 3165 - DURING TAKEOFF FROM DTW, THE NR 2 ENGINE TORQUE SURGED FROM 89 PERCENT TO 105 PERCENT. THE AIRCRAFT RETURNED TO DTW. MAINTENANCE REPLACED THE NR 2 HMU. THE SYSTEM OPERATED SATISFACTORILY DURING A TEST FLIGHT. (W)SDR 95ZZZX4137Manifold · crackedDURING ROUTINE MAINTENANCE, FOUND NR 2 ENGINE LEFT FUEL MANIFOLD HAD EVIDENCE OF A FIRE AND AN INDICATION OF A CRACK. REPLACED THE MANIFOLD.SDR ABXA9500382Ps 4 Line · looseDURING DESCENT, THE NR TWO ENGINE FLAMED OUT WHEN THE ENGINE ANTI-ICE WAS TURNED OFF. THE FLAME OUT CHECK LIST WAS ACCOMPLISHED AND THE ENGINE WAS RESTARTED. ALL ENGINE INDICATIONS WERE NORMAL FOR THE REMAINDER OF THE FLIGHT. LOOSE PS-4 LINE WAS FOUND AT THSDR VTZA95158Delta P/P Box · failureBDL/IAD - FLT 6541 - DURING TAKEOFF AT 0725 ON 5 MAY 95, ABORTED THE TAKEOFF DUE TO THE LT IEC FAILING ON THE TAKEOFF ROLL. AIRCRAFT RETURNED TO GATE WITH NO FURTHER INCIDENT. AIRCRAFT WAS THEN FERRIED TO IAD. AIRCRAFT ARRIVED AT IAD WITH NO FURTHER INCIDENSDR 95ZZZM23F/E Module Card · defectiveEN ROUTE FROM LAX FL 33, NR 3 ENGINE VALVE LIGHT INDICATED BRIGHT, ENGINE FAILED. AFTER FAILURE EXCESSIVE VIBRATION OCCURRED. AIRCRAFT TURNED BACK TO LAX. F/E FUEL CONTROL MODULE DEFECTIVE, REPLACED MODULE, REPLACED FUEL SHUTOFF VALVE ACTUATOR. OPERATIONALSDR VTZA95156Sensor · failedIAD/JFK - FLT 6305 - DURING DESCENT AT 1330 HRS ON 5-4-95, FLIGHT EXPERIENCED A RIGHT IEC FAILURE WITH A LARGE TORQUE, RPM AND FUEL FLOW DIFFERENCE BETWEEN BOTH ENGINES. AIRCRAFT LANDED WTIH NO FURTHER INCIDENTS. MAINTENANCE REPLACED THE TT2 SENSOR. AIRCRAFSDR VTZA95153Tt2 Sensor · failureFLT 6208 - BWI-IAD - DURING TAKEOFF, ABORTED THE TAKEOFF DUE TO THE LEFT ENGINE IEC FAILURE ILLUMINATING. AIRCRAFT RETURNED TO GATE WITH NO FURTHER INCIDENTS. AIRCRAFT WAS THEN FERRIED IAD AND LANDED AT IAD WITH NO FURTHER INCIDENTS. MAINTNENANCE REPLACED TSDR WRLA95020Fuel Meter Unit · failedDUE TO A LACK OF FACILITIES FOR 'HIGH-POWER' RUN UP, MX PERSONNEL HAD REQUESTED THAT FLT CREW CONDUCT PWR ASSURANCE RUN (UP TO 1.3 EPR) AT END TO TAXIWAY, PRIOR TO DEPARTURE. REQUEST WAS A FOLLOW UP TO PREVIOUS REPORT OF ENG VIBRATION (MX HAD ALREADY CONDUCTESDR VTZA95124Bypass Valve · failureIAD-HPN - FLT 6405 - ABORTED THE TAKEOFF, DUE TO THE LEFT ENGINE NOT MAKING TAKEOFF TORQUE. AIRCRAFT RETURNED TO GATE WITH NO FURTHER INCIDENTS. MAINTENANCE OPENED DMI NR 021143 IAW MEL 76-2. MAINTENANCE LATER CLEARED DMI NR 02113 BY RUNNING ENGINE AND FOUNSDR 95ZZZX5086Solenoid · defectiveSOLENOID DEFECTIVE. NEW SOLENOID INSTALLED.SDR 95UAL727034Ps4 Line · looseFLIGHT RETURNED TO MCO, NR 1 ENGINE SHUTDOWN DUE TO LOSS OF THRUST. FOUND EXTERNAL PS4 LINE BETWEEN THE FCU AND C/C/O FAN DUCT DISCONNECTED AT THE PS4 PROBE. THERE WAS NO EVIDENCE OF SAFETY WIRE IN THE PROBE TO B-NUT CONNECTION. RECONNECTED PS4 LINE TO PROBSDR WRLA95018Sense Line · blockedDURING TAXI OUT, FLIGHT CREW NOTICED NR 1 N1 AT 16 PERCENT, NR 1 EGT AT 480 DEGREES, NR 1 N2 AT 48 PERCENT, AND FUEL FLOW WAS AT 1,000 LBS. THROTTLE MOVEMENT HAD NO EFFECT. CAPTAIN ELECTED TO RETURN TO GATE. AIRCRAFT RETURNED TO GATE WITHOUT FURTHER INCIDENSDR HEED9558Solenoid · inoperativeNR 1 ENGINE FLIGHT IDLE SOLENOID INOPERATIVE.SDR 95ZZZW689Ps4 Line · brokenAFTER TAKEOFF DURING CLIMB NR 2 ENGINE FLAMED OUT, ENGINE RESTARTED BUT WOULD NOT ACCELERATE FROM IDLE. AIRCRAFT RETURNED TO DEPARTURE AIRPORT. AFTER TROUBLESHOOTING, FOUND PS4 LINE ON TOP OF ENGINE BROKEN. REPLACED LINE, OPS CHECK OK.SDR WTAA950162Hmu Shaft · looseSFO - DURING CLIMB-OUT THROUGH 10,000 FEET, POWER LEVER SPLIT REPORTED. AT 14,00 FEET, LEFT POWER LEVER FAILED TO CONTROL ENGINE POWER. CREW SECURED LEFT ENGINE AND RETURNED TO STATION WITHOUT INCIDENT. MAINTENANCE FOUND LEFT ENGINE HMU INPUT SHAFT NUT LOOSSDR SWIA95558Eec Connector · dirtyRIGHT ENGINE EEC (ELECTRONIC ENGINE CONTROL) FAILED AND WOULD NOT RESET. DEFERRED PER MEL 73-21-1. ABORTED TAKEOFF. INSPECTED WIRING. CLEANED CANNON PLUG AND RAN AIRCRAFT. OPERATIONALLY CHECKS GOOD.SDR COM11858Hmu · defectiveLEFT ENGINE STARTS, BUT WILL NOT ACCELERATE BEYOND MIN FLOW. REPLACED THE ENGINE HMU.SDR COM60451Fuel Line · looseFUEL LEAKING FROM LT ENGINE. TIGHTENED I.G.V. ACTUATOR FUEL LINE FITTING. NO LEAKS NOTED.SDR SIMA950991Hmu · malfunctionedORD - FLT 4351 - DURING CRUISE FLIGHT, PILOT UNABLE TO CONTROL ENGINE NR 2 TORQUE WITH POWER LEVER, TORQUE WAS FIXED AT 8046. TORQUE MOTOR LOCK-OUT NO EFFECT. FLIGHT TURNED BACK TO ORD. NR 2 ENGINE SHUT DOWN IN FLIGHT. EMERGENCY DECLARED, AIRCRAFT LANDED WSDR AWXA9500153Fuel Control · out of adjustLAS-IND - FLT 280 - DURING CRUISE, THE NR 1 ENGINE THROTTLE HAD A THREE KNOB SPLIT. ACFT RETURNED TO LAS AND LANDED WITHOUT FURTHER PROBLEMS. MX PERFORMED OVERWEIGHT LANDING INSPECTION PER BMM 05 51 74 PG 201, NO FAULTS NOTED. MX TROUBLESHOOTING FOUND THE NSDR 95ZZZX2022Hose · defectivePIT - FLT 4157 - DURING TAKEOFF ROLL AT APPROXIMATELY 90 KNOTS, CREW NOTICED LEFT ENGINE NOT MAKING ENOUGH TORQUE. TAKEOFF WAS ABORTED AND AIRCRAFT RETURNED TO THE GATE. PIT MAINTENANCE INSPECTED AIRCRAFT AND FOUND A BROKEN P3 AIR SUPPLY LINE, LEFT ENGINE. SDR 95ZZZX2527Actuator · defectiveIN-FLIGHT FAILURE OF N2 BEEP OF NR 2 ENGINE. INSTALLED OVERHAULED ACTUATOR. CIRCUIT BREAKER TRIPPED, ACTUATOR WAS CAUSE. REPLACED DIODE AND INSTALLED SECOND ACTUATOR FUNCTION CHECK GOOD. 11-23-94 ACTT 3938.0.
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