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 VTZA97242Fuel Control · out of adjustIAD/CMH - FLT 6289 - DURING CLIMB AT 1800 HOURS ON 4-20-97, MADE AN UNSCHEDULED LANDING AT IAD DUE TO LT RPM MAX AT 98.4 PERCENT. AIRCRAFT WENT TO GATE WITH NO FURTHER PROBLEMS. MAINTENANCE INSPECTED AND ADJUSTED X-SCREW ON FUEL CONTROL, OPS CHECK OK. AIRCRSDR VTZA97239P2 Line · looseROC/IAD - FLT 6361 - DURING TAKEOFF AT 0730 HOURS ON 4-19-97, ABORTED TAKEOFF DUE TO LT ENGINE DID NOT REACH 100 PERCENT TORQUE. AIRCRAFT RETURNED TO GATE WITH NO FURTHER PROBLEMS. MAINTENANCE INSPECTED AND TIGHTENED P2 LINE AT FUEL CONTROL, OPS CHECK OK. ASDR HAIHEEA9441Hmu · failedNO LIGHT OFF - INTERMITTENT - THEN CONTINUOUS. DURING TROUBLESHOOTING FOUND NO FUEL FLOW FROM HMU.SDR HAIHEEA9430Fuel Control · defectiveFUEL CONTROL SHEARED SCREW IN BYPASS PLATE.SDR 97ZZZX1995Line · crackedTHE NR 2 ENGINE AIR LINE TO FUEL CONTROL UNIT CRACKED CAUSING ENGINE TO DECELERATE TO FLIGHT IDLE. UPON COMMUNICATION WITH MANUFACTURER, FOUND THAT THIS HAS HAPPENED BEFORE. PERFORMED A ONE TIME FLEET INSPECTION AND FOUND 3 MORE LINES THAT HAD FRETTING UNDERSDR HAIHEEA9403Fuel Contr.Assy · wornFUEL CONTROL ASSY SPLINE IS WORN.SDR SABA9700011P3 Line · crackedCLT - FLT 5137 - AFTER TAKEOFF FROM CLT THE LEFT ENGINE BETA LIGHT ILLUMINATED. CAPTAIN DECIDED TO RETURN TO CLT FOR MAINTENANCE. INSPECTION DISCOVERED THAT LEFT ENGINE P3 LINE HAD CRACKED AND WAS BLOWING HOT P3 AIR ON THE BETA SWITCH. THE P3 LINE AND BETA SDR WRLA97013Fuel Meter Unit · failedDURING INITIAL TAKEOFF ROLL, FLIGHT CREW NOTED NR 2 ENGINE WOULD NOT REACH EPR TARGET. FLIGHT CREW OBSERVED NR 2 ENGINE FADEC MAINTENANCE ALERT. FLIGHT CREW DISCONTINUED TAKEOFF AND RETURNED TO GATE WITHOUT INCIDENT. MAINTENANCE PERSONNEL REPLACED FUEL METESDR MASA97022P3 Line · brokenCVN/ABQ - FLT 107 - DURING FLIGHT, THE N1 AND FUEL FLOW DROPPED TO NEAR ZERO. THE FLIGHT CREW SHUT DOWN THE NR 2 ENGINE AS A PRECAUTIONARY MEASURE. THE CREW PROCEEDED TO ABQ WHERE THEY DECLARED AN EMERGENCY LANDING. AIRCRAFT LANDED IN ABQ WITH NO FURTHER INSDR GLBA97068P2.5 Valve · dirtyFAR - SLIGHT AMOUNT OF ENVIRONMENTAL SMOKE IN COCKPIT AND CABIN. MAINTENANCE CLEANED P2.5 VALVE. (M)SDR REXA97095Ttl · failedLEFT ENGINE QUITS WITH TTL ON. DEFERRED TTL. (M)SDR VTZA97225Fuel Control · out of adjustFLT 6295 - IAD-EWR - DURING TAKEOFF, EXPERIENCED A RIGHT ENGINE RED BETA CAPTION LIGHT ILLUMINATION. AIRCRAFT ABORTED ITS TAKEOFF AND RETURNED TO THE GATE WHERE THE MAINTENANCE TECHNICIANS TROUBLESHOT THE DISCREPANCY AND FOUND THAT THE RIGHT MAX RPM WAS READSDR AU970516Valve · faulty(AUS) ENGINE MANIFOLD VALVE FAULTY - INCORRECT OVERHAUL - SEAL COLLAPSED ON ONE SIDE - PLUNGER OUT OF ROUND - NEEDLE AND NUT OF UNKNOWN ORIGIN - GASKET PNO 627124 FITTED - UNAPPROVED PART - PERSONNEL/MAINTENANCE ERRORSDR 97ZZZX4083Metering Unit · defectiveFUEL METERING UNIT INSTALLATION DEFECT. EGT AND TORQUE FLUCTUATIONS. REMOVED FROM LOANER ENGINE. CORE SHIPPED FROM RNO TO PLANT 12 ON 4-10-97. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.SDR VTZA97217Ttl Valve · failedFLT 6331 - SWF-BOS - ABORTED TAKEOFF DUE TO LEFT ENGINE TORQUE DROPPED TO 60 PERCENT. AIRCRAFT RETURNED TO GATE WITH NO FURTHER PROBLEMS. MAINTENACNE INSPECTED AND REMOVED AND REPLACED TTL VALVE, OPS CHECK OK. AIRCRAFT WAS RELEASED AND RETURNED TO SERVICE. SDR 97FDEA00201Shut Off Valve · failedAIRCRAFT WAS ON THE GROUND IN SFO. THE NR 2 ENGINE WOULD NOT SHUT DOWN USING START LEVEL. THE FIRE HANDLE WAS PULLED AND ENGINE WAS SHUT DOWN. REMOVED AND REPLACED SOLENOID SHUT-OFF VALVE AS PER M/M 73-35-01-4-1. ALSO, REMOVED AND REPLACED FUEL SHUT CLOSE SDR UPS97822424Cit Sensor · intermittentINSPECTION TYPE-N/A, NR 1 ENGINE FLAME-OUT AT FL280 W/LIGHT CHOP. ENGINE RESTARTED USING FLAME-OUT CHECKLIST PROCEDURES. PERFORMED FUEL FEED LINE NEG PRESS CH PER MM 28-22-12 SYST HELD PRESS FOUND NO LEAKS. REMOVED AND REPLACED CIT SENSOR IAW 73-20-0, OPS CSDR 97ZZZX1642Support Bracket · crackedINSPECTION FOUND P3 FILTER HOUSING SUPPORT BRACKET CRACKED. IF UNIT FAILED COULD AFFECT FCU.SDR REXA97072P3 Gaskets · blownLEFT ENGINE DID NOT APPEAR TO BE MAKING TARGET POWER IN CLIMB. RETURNED DID NOT MAKE FULL POWER ON GROUND. REPLACED LEFT ENGINE P3 GASKETS, OPS CHECK GOOD. (M)SDR WWMA9700039Flight Idle Tq · out of adjustUPON LANDING, THE FLIGHT IDLE STOP LIGHT DID NOT COME ON AND THE POWER LEVERS COULD NOT BE BROUGHT INTO REVERSE. CREW EXECUTED A TOUCH AND GO LANDING. ALSO, REPORTED ON LANDING WITH THE POWER LEVERS AT FLIGHT IDLE THE RIGHT ENGINE TORQUE WOULD NOT GO BELOW 2SDR VTZA97193Fuel Control · out of adjustIAD/CHS - FLT 6483 - DURING LANDING AT 0920 HRS ON 3-20-97, MADE A SCHEDULED LANDING AT IAD WITH ONE DISCREPANCY WHICH WAS LT ENGINE TORQUE WENT TO -2.2 WITH LT RED BETA LIGHT ON. AIRCRAFT LANDED AND WENT TO GATE WITH NO FURTHER PROBLEMS. MAINTENANCE INSP ANSDR VTZA97183Fuel Control · out of adjustIAD/SWF - FLT 6359 - DURING TAKEOFF AT 1815 HOURS ON 3-18-97, ABORTED TAKEOFF DUE TO LT ENGINE WOULD NOT MAKE TORQUE. AIRCRAFT LANDED AT IAD AND RETURNED TO GATE WITH NO FURTHER PROBLEMS. MAINTENANCE INSP AND ADJUSTED MAX FUEL FLOW, OPS CHECK OK. AIRCRAFT WSDR REXA97062Fuel Control · out of adjustRETURN TO RAMP WITH RT ENGINE NOT IN BOTTOM GOVERNOR, WAS UNABLE TO DUPLICATE PROBLEM. MADE SMALL ADJUSTMENT TO RIGGING. (M)SDR VTZA97176P2 Sensor · failedCHS/IAD - FLT 6215 - DURING CRUISE AT 1130 HRS ON 3-14-97, MADE A SCHEDULED LANDING AT IAD WITH ONE DISCREPANCY WHICH WAS RT ENGINE TORQUE DROPPED FROM 51 PERCENT TO 25 PERCENT WHEN ENCOUNTERING ICING. ABNORMAL OPERATION WENT AWAY WHEN AIRCRAFT DESCENDED TO WSDR GTIA9700251Ps4 Line · brokenCHS - FLT 301 - RIGHT NR 2 ENGINE LOST PARTIAL POWER FROM 1.95 TO 1.6 FOR A FEW MINUTES AND THEN SPOOLED DOWN TO IDLE. WOULD NOT PRODUCE MORE THAN 1.1 FPR. FOLLOWED CHECKLIST AND LANDED AT CHS. FOUND BROKEN PS4 LINE IN FAN DUCTED AREA. REMOVED AND REPLACED LSDR 97ZZZX2757Afcu · tornDURING REPAIR OF AFCU, FOUND DIAPHRAGM TORN AND ABOUT TO RUPTURE.SDR 97ZZZX1255Bracket · wornEMERGENCY POWER CABLE AND ATTACH BRACKETS WORN. THE BRACKETS WORN WITHIN .0625 INCH OF BEING COMPLETELY THROUGH MATERIAL. EMERGENCY POWER CABLE WORN THROUGH ATTACH POINT ON CABLE. SUGGEST WEAR IS NORMAL, CABLE AND ATTACH BRACKETS NEED TO BE OF HEAVIER MATERSDR 97ZZZX1254Bracket · wornEMERGENCY POWER CABLE AND ATTACH BRACKETS WORN. THE BRACKETS WORN WITHIN .0625 INCH OF BEING COMPLETELY THROUGH MATERIAL. EMERGENCY POWER CABLE WORN THROUGH ATTACH POINT ON CABLE. SUGGEST WEAR IS NORMAL, CABLE AND ATTACH BRACKETS NEED TO BE OF HEAVIER MATERSDR 97ZZZX1253Control Cable · wornEMERGENCY POWER CABLE AND ATTACH BRACKETS WORN. THE BRACKETS WORN WITHIN .0625 INCH OF BEING COMPLETELY THROUGH MATERIAL. EMERGENCY POWER CABLE WORN THROUGH ATTACH POINT ON CABLE. SUGGEST WEAR IS NORMAL, CABLE AND ATTACH BRACKETS NEED TO BE OF HEAVIER MATERSDR 9705279962P/D Valve · failedDURING TAKEOFF ROLL AT 80 KNOTS, THE RIGHT ENGINE EPR INDICATION BEGAN DECREASING. CREW ABORTED TAKEOFF AND RETURNED TO THE GATE. MAINTENANCE REPLACED THE RIGHT ENGINE P AND D VALVE, FUEL CONTROL, AND INSPECTED THE ENGINE INLET AND EXHAUST. LEAK AND OPERATISDR CA970319001Tube Assy · broken(CAN) #2 ENGINE E.P.R. GAUGE WAS READING LOW. MAINTENANCE FOUND THE PT7 MANIFOLD LINE BROKEN. THE LINE WAS REPLACED AND THE ENGINE GROUND RUN SERVICEABLE. THE AIRCRAFT WAS RETURNED TO SERVICE.SDR RAIA970305P3 Line · failedSTL - FLT 7071 - LEFT ENGINE ONLY MADE 80 PERCENT TORQUE. MAINTENANCE REPLACED LEFT ENGINE P3 BLEED LINE. (M)SDR 97ZZZM476Pmc · malfunctionedPHL - FL 8550 - CAPTAIN REPORTED HE DIVERTED TO PHL DUE TO FLUCTUATING LEFT ENGINE PARAMETERS AND THROTTLE STAGGER. NO EMERGENCY WAS DECLARED AND THE FLIGHT LANDED WITHOUT FURTHER INCIDENT. MAINTENANCE REMOVED AND REPLACED THE NR 1 ENGINE MAIN ENGINE CONTROLSDR WTAA970040Bypass Valve · failedLAX - RIGHT ENGINE BYPASSED FUEL ON TAKEOFF ROLL. TAKEOFF ABORTED WITHOUT INCIDENT. MAINTENANCE DEFERRED TTL SYSTEM PER MEL 76-2. OPENED DMI 79552. AIRCRAFT RETURNED TO SERVICE. MAINTENANCE SUBSEQUENTLY CLEARED DEFERRAL BY REPLACING TTL BYPASS VALVE. GROSDR VTZA97165Fuel Flow · out of adjustFLT 6211 - IAD-PVD - ABORTED TAKEOFF DUE TO RIGHT ENGINE WOULD NOT MAKE TAKEOFF TORQUE. AIRCRAFT RETURNED TO GATE WITH NO FURTHER PROBLEMS. MAINTENANCE INSPECTED AND ADJUSTED MAX FUEL FLOW, OPS CHECK OK. AIRCRAFT WAS RELEASED AND APPROV ED FOR RETURN TO SERSDR 97ZZZX2775Diaphragm · rupturedDURING DISASSEMBLY OF AFCU, FOUND DIAPHRAGM RUPTURED, P/N 2525013.SDR C2XA97CL018Switching Valve · dirtyCLT - FLIGHT 4231 - CREW REPORTED THAT THEY HAD SMOKE IN THE COCKPIT. AIRCRAFT RETURNED TO FIELD. MAINTENANCE INSPECTED BOTH ENGINES AND BLEED AIR SYSTEMS, ALL OPERATIONAL CHECKS WERE SATISFACTORY IAW EMB 120 MM 21-60-00, 36-00-00 AND 36-10-00. AIRCRAFT RELSDR 97ZZZX2628Apr System · malfunctionAUXILIARY PERFORMANCE RESERVE (APR). WHEN SYSTEM IS 'ARMED' SYSTEM GOES STRAIGHT TO 'ON' WHEN N2'S ARE MATCHED.SDR JBXA970005Fuel Flow Reg · malfunctionedAFTER TAKEOFF PARTIAL THORTTLE ONLY ON RIGHT ENGINE RETURN TO RDU PARTIAL POWER. REMOVED AND REPLACED RIGHT ENGINE FUEL FLOW REGULATOR IAW F-100 MM 73-21-01. PERFORMED LEAK CHECK, NO LEAKS NOTED. (M)SDR 9704049964Pt2 Probe · iced upNR 2 ENGINE EPR INDICATION WAS ERRATIC DURING TAKEOFF. THE TAKEOFF WAS ABORTED AND THE AIRCRAFT RETURNED TO THE GATE. MAINTENANCE REMOVED ICE FROM THE PT2 PROBE, EPR INDICATION RETURNED TO NORMAL.SDR 97ZZZM430Hmu · failedFLT 2912 - ON TAKEOFF, WHEN SWITCHING FROM TOP TO NORMAL, AIRCRAFT RECEIVED A STRONG SURGE FROM BOTH ENGINES. REMOVED AND REPLACED RIGHT HMU AND ECU. RETRIMMED BOTH ENGINES. REFERENCE MALA975330.SDR MASA97010P3 Line · crackedAIR SHUTTLE 686 - COS-ABQ - 10 MINUTES PRIOR TO FINAL, ENGINE WENT TO FLIGHT IDLE. PROP WAS FEATHERED AND ENGINE WAS SHUTDOWN. AIRCRAFT LANDED WITHOUT FURTHER INCIDENT. REMOVED AND REPLACED CRACKED P3 LINE. AIRCRAFT POWER RUN UP WAS COMPLETED SUCCESSFULLY SDR REXA97034Screw X · out of adjustNR 2 ENGINE DID NOT REACH TARGET TORQUE OF 100.5 PERCENT, ONLY REACHED 84 PERCENT. ADJUSTED SCREW 'X' IAW GARRETT MM AND GROUND RAN. (X)SDR TWRA9723Pt2 Probe · brokenDURING THRUST REDUCTION AT TOP OF DESCENT, NR 2 ENGINE EXPERIENCED COMPRESSOR STALL. EGT REACHED 710 DEGREES AND ENGINE WAS SHUT DOWN. TWO ATTEMPTS TO RESTART TO IDLE AND RICH WERE UNSUCCESSFUL. ENGINE WINDMILLING OIL PRESSURE 22 PSI. ENGINE WAS SHUT DOWN SDR RAIA970212Surge Valve · stickingSTL - FLT 7408 - RIGHT ENGINE TORQUE FLUCTUATED 8 TO 10 PERCENT. MAINTENANCE REPLACED THE RIGHT ENGINE SURGE VALVE. (M)SDR GLXPA97009Tube · deterioratedNR 1 ENGINE FLAMEOUT AT FL 330 DURING STEP CLIMB FROM 310 TO 350. AIRSPEED WAS 260 KNOTS. ENGINE RESTARTED AT FL 32.5. BLEED AIR WAS OFF BEFORE FLAMEOUT. REPLACED P2 BELLOWS. OLD ONE WAS FOUND DETERIORATED. ENGINE RUN-UP CHECK GOOD. (X)SDR HEEA979012Ecu · malfunctionENGINE SURGES DURING POWER TRANSIENTS.SDR TC8A97014Engine · out of trimNR 2 ENGINE WOULD NOT GO TO TAKEOFF POWER. RETURNED TO RAMP. TRIMMED NR 2 ENGINE, SYSTEM OPS GOOD ON RUN-UP IAW MM 76-10.SDR TC8A97013Engine · out of trimNR 1 ENGINE WOULD NOT GO TO TAKEOFF POWER, RETURNED TO RAMP. TRIMMED NR 1 ENGINE, SYSTEM OPS GOOD ON RUN-UP IAW MM 76-10.SDR 97UAL900133P2/T2 Probe · blockedON TAKEOFF, NR 2 ENGINE DID NOT DEVELOP FULL TAKEOFF EPR. ENGINE RPM ALSO LOWER THAN TARGET. MAX EPR LIMIT FOR NUMBER 2 ENGINE WAS LOWER THAN NUMBER 1 ENGINE. ENGINE THRUST RETURNED TO NORMAL AFTER TAKEOFF AND REMAINED NORMAL. *S/D* MAINTENANCE REPLACED T
Back to JASC 7320