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 9721136603Tt2 Sensor · malfunctionedWHILE CLIMBING FROM FL330, THE NR 4 ENGINE PARAMETERS BEGAN TO FLUCTUATE AND WOULD NOT RESPOND TO POWER LEVER INPUTS. THE ENGINE WAS SHUT DOWN. THE ENGINE RESTARTED AT FL290 WITH ALL INDICATIONS NORMAL. THE AIRCRAFT RETURNED TO NRT, DUMPED FUEL, AND LANDED SDR ORJA97188Pt2 Line · leakingAIR TURN BACK DUE TO NR 2 ENGINE NOT PRODUCING NORMAL CLIMB POWER. LARGE SPLIT IN EPR WITH ALL OTHER INDICATIONS NORMAL. FOUND PT2 FLEX LINE FROM APRON TO BULKHEAD WITH INTERNAL LEAK. MAINTENANCE REQUEST FOR CHECK FLIGHT TO FL330 TO VERIFY FIX OF CHRONIC PRSDR 97ZZZM1208Fuel Control · out of controlTHE PILOT ABORTED THE TAKEOFF AT SAT DUE TO 104 PERCENT TORQUE ON THE RIGHT ENGINE. MAINTENANCE ADJUSTED SCREW 'X'. THE AIRCRAFT DEPARTED WITHOUT FURTHER INCIDENT. (M)SDR TWAA9713203Pt2 Line · looseLAS - FLT 501 - DURING CLIMB, THE NR 2 ENGINE, S/N 1405, LOST POWER. THE PT2 LINE WAS FOUND LOOSE, RESECURED LINE. OPERATIONAL CHECKS AND ENGINE RUN NORMAL. (M)SDR CA971114002Line · cracked(CAN) P2 AIR LINE CRACKED AT B-NUT WHERE IT ATTACHES TO THE FITTING AT THE COMPRESSOR DISCHARGE. REPLACED. PART TC: 2,655.SDR GLBA97166Hmu · malfunctionedFSD - LEFT ENGINE DID NOT MAKE POWER, ABORTED TAKEOFF, RETURNED TO GATE. REPLACED HMU. (X)SDR VTZA97616Fuel Control · out of adjustFLT 6186 - LYH-IAD - DURING TAKEOFF, AIRCRAFT ABORTED TAKEOFF DUE TO LEFT ENGINE SLOW TO ACCELERATE. AIRCRAFT RETURNED TO GATE WITH NO FURTHER PROBLEMS. MAINTENANCE INSPECTED AND ADJUSTED LEFT ENGINE FLIGHT IDLE AND FUEL FLOW, OPS CHECK OK. AIRCRAFT WAS RELSDR EISA97222Linkage · disconnectedENGINE NR 3 COULD NOT REDUCE POWER, PULLED THROTTLE BACK, NO CHANGE. SHUT NR 3 ENGINE DOWN. FOUND LINKAGE ON FUEL CONTROL DISCONNECTED. RECONNECTED LINKAGE. RAN ENGINE. OPS CHECK NORMAL. (M)SDR C2XA97IA328Fadec · inoperativeIAH - FLT 4152 - DURING FLIGHT, CREW NOTICED THE NR 1 ENGINE N1 WAS LOW. THE ENGINE WENT INTO AUTO SHUTDOWN AND AIRCRAFT RETURNED TO IAH WITHOUT INCIDENT. MAINTENANCE REMOVED AND REPLACED NR 1 ENGINE B-SYSTEM FADEC IAW EMB-145 MM CHAPTER 73-22-01 AND AIRCRAFSDR 99ZZZM190Fcu · looseFLT 6339 - IAD-EWR - DURING CLIMB, AIRCRAFT MADE AN UNSCHEDULED LANDING DUE TO RIGHT ENGINE TORQUE 60 PERCENT AND LEFT ENGINE TORQUE 110 PERCENT. AIRCRAFT LANDED AND RETURNED TO GATE WITH NO FURTHER PROBLEMS. MAINTENANCE INSPECTED AND RESEATED BOTH TORQUE SISDR 97ZZZX4835Tube · crackedREPLACED CRACKED PY LINE AT FUEL CONTROL UNIT.SDR 97ZZZX4737N2 Probe · defectiveDURING 40-HOUR FLT, LT ENG COMPUTER LIGHT ILLUMINATED. UPON LANDING, AN 'EA' FAULT (N2 INPUT INTERFACE) IN THE ENG (EDU) CLEARED AFTER CYCLING PWR. HANDBOOK STATED 'CONT NORMAL ENG OPER". ON NEXT LEG DURING DESCENT THRU 25K FT, LT ENG SHUT DOWN. EDU CONTAISDR HEEA0011385Hmu · leakingHMU LEAKING FROM HMU VENT DRAIN.SDR HEEA0011384Hmu · leakHMU LEAKING FUEL. SERIAL NUMBERS REMOVED ARE UDA93563 AND UDAJ8215.SDR 97ZZZX4865Actuator · malfunctionedENGINE WOULD BEEP UP, BUT NOT DOWN. EMERG SYS WORKED AS REQUIRED. FOUND THE SYS WOULD APPEAR TO WORK NORMALLY ON THE GROUND, BUT WOULD FAIL DURING RAPID CLTV INPUTS. EVEN THE EMERGENCY SYSTEM FAILED TO BREAK IT FREE. TAPPING THE UNIT WITH A SCREW DRIVER 'BSDR 97ZZZM1211P2t2 Sensor · frozenWHILE EN ROUTE FROM ANC TO BET, THERE WAS A DROP IN TORQUE AND EGT ON THE RIGHT ENGINE. THE CREW DID AN AIR TURNBACK ANC. MAINTENANCE DETERMINED THAT THE P2T2 SENSOR FROZE DURING FLIGHT. MAINTENANCE THE COMPLIED WITH PARA B OF AD 97-15-10 BY COMPLYING WITH SDR VTZA97536P3 Line Gasket · wornFLT 6258 - IAD-ALB - ABORTED TAKEOFF DUE TO LEFT ENGINE WOULD NOT REACH SCHEDULED TORQUE. AIRCRAFT WENT TO GATE WITH NO FURTHER PROBLEMS. MAINTENANCE INSPECTED AND REMOVED AND REPLACED P3 LINE GASKET, OPS CHECK OK. AIRCRAFT WAS RELEASED AND APPROVED FOR RETSDR HEEA0011184Hmu · malfunctionHMU WON'T GO INTO ECU LOCK OUT.SDR GCHA0000014Adapter · wornPART IS DIMENSION OVER MAXIMUM. SPLINES WORN. SUSPECT IMPROPER TYPE/LACK OF LUBRICATION FROM FACTORY. REMOVED AND REPLACED ADAPTER AND SHAFTING, BEARINGS AND RETAINING WASHERS REPLACED. CYCLES: 215. (X)SDR VTZA97523Ttl Bypass Valve · failedFLT 6335 - PWM-BOS - ABORTED TAKEOFF DUE TO LEFT ENGINE TORQUE DROPPED TO 40 PERCENT. AIRCRAFT RETURNED TO GATE WITH NO FURTHER PROBLEMS. MAINTENANCE INSPECTED AND REMOVED AND REPLACED TTL BYPASS VALVE, OPS CHECK OK. AIRCRAFT WAS APPROVED AND RELEASED FOR RSDR VTZA97513Fuel Control · out of adjustFLT 6381 - IAD-CMH - ABORTED TAKEOFF, DUE TO RT RPM WOULD NOT GO ABOVE 99 PERCENT. AIRCRAFT RETURNED TO GATE WITH NO FURTHER PROBLEMS. MAINTENANCE INSPECTED AND ADJUSTED X SCREW ON FCU, OPS CHECK OK. AIRCRAFT WAS RELEASED AND APPROVED FOR RETURN TO SERVICE.SDR VTZA97511Bypass Valve · failedFLT 6321 - IAD-GSO - DURING TAXI, CREW SHUT DOWN RT ENGINE AND ACTIVATED NR 1 AND NR 2 FIRE BOTTLES DUE TO RT ENGINE SMOKING ON TAXI WHEN TESTING TTL SYSTEM. CREW EVACUATED PASSENGERS ON TAXI WAY. MAINTENANCE INSPECTED AND REMOVED AND REPLACED TTL BYPASS VALSDR GCHR0000012Fadec · water contamFADEC FAILURE LIGHT ILLUMINATED IN DEPARTURE TRANSITION. PILOT SWITCHED TO MANUAL MODE AND LANDED AIRCRAFT. AIRCRAFT BEGAN ENGINE OVERSPEED, SYSTEM BACK-UPS CUT IN AND SHUT DOWN ENGINE. SYSTEM TROUBLESHOOTING FAILED TO RETRIEVE FLASH CODES. ENTRY TO ECU BSDR MASA97162P3 Line · damagedGUC/DEN - FLT 7555 - AFTER TAKEOFF, THE LEFT ENGINE TORQUE DROPPED TO 1,450 POUNDS. THE AIRCAFT RETURNED TO THE FIELD WITHOUT FURTHER INCIDENT. MAINTENANCE REMOVED AND REPLACED THE P3 LINE AND THE AIRCRAFT WAS RETURNED TO SERVICE. (X)SDR 97ZZZM1082Fuel Control · out of adjustLEFT ENGINE FLAMED OUT AT FL 310. RESTARTED NORMAL AT FL 280. ADJUSTED FEED BACK CABLE ON FUEL CONTROL TO INSURE POSITIVE BLEED VALVE CLOSURE, IAW MM 73-20. OPERATIONAL CHECKS GOOD ON GROUND RUN. AIRCRAFT RETURNED TO SERVICE. (M)SDR CA971015054Rod End · failed(CAN) LINEAR ACTUATOR ROD END WOULD NOT STAY IN WHEN SCREWED IN ACTUATOR ARM. ROD END HAD CONSIDERABLE LENGTH CUT OFF THREADED PORTION. NO PART NUMBER OR MANUFACTURER. SUSPECT UNAPPROVED PART.SDR WTAA970180Engine · fuel leakBFL - LEFT ENGINE FUEL DRIPPING FROM OVERBOARD TUBE DURING START UP REPORTED BY RAMP PERSONNEL. AIRCRAFT RETURNED TO STATION. MAINTENANCE INSPECTED ENGINE AND PERFORMED GROUND RUN. NO FUEL LEAK NOTED. AIRCRAFT RETURNED TO SERVICE. (M)SDR AWXA9700562Fuel Governor · malfunctionedON SHORT FINAL LANDING APPROACH, THE RIGHT ENGINE N1 RED LINED AT 111.3 AND N2 RED LINED AT 102 FOR SEVERAL SECONDS. PRONOUNCED YAW. ENGINE RETURNED TO NORMAL AND LANDING WAS NORMAL. REMOVED AND REPLACED NR 2 ENGINE FUEL FLOW GOVERNOR.SDR RAIA970917Valve · failedSTL - FLT 7308 - LEFT ENGINE DID NOT MAKE TARGET TORQUE ON TAKEOFF ROLL. MAINTENANCE REPLACED LEFT COCKPIT FLOW CONTROL VALVE. (X)SDR RAIA970914Screw · out of adjustSTL - FLT 7314 - LEFT ENGINE RPM 97 PERCENT ON TAKEOFF ROLL. RIGHT ENGINE RPM 102 PERCENT ON TAKEOFF ROLL. MAINTENANCE ADJUSTED TAKEOFF RPM. (X)SDR VTZA97501P3 Gasket · failedFLT 6304 - IAD-EWR - ABORTED TAKEOFF DUE TO THE LEFT ENGINE ONLY MAKING 80 PERCENT TORQUE. AIRCRAFT RETURNED TO THE GATE WHERE MAINTENANCE WAS DISPATCHED TO TROUBLESHOOT THE DISCREPANCY. MAINTENANCE FOUND THAT THE GASKETS FOR THE P-3 LINE ON THE LEFT ENGINE SDR REXA97249Fuel Control · out of adjustLEFT ENGINE WOULD NOT MAKE TORQUE. ADJUSTED LEFT MAX FUEL FLOW. (M)SDR QXEA9700546Hmu · malfunctionedSEA - NR 2 ENGINE FLAMED OUT AT 300 FEET ALG ON APPROACH. REPLACED HMU FUEL PUMP AND LP FUEL FILTER, NO DEFECTS NOTED. LEAK CHECKED, OPERATIONAL CHECK GOOD.SDR AU971355Controller · out of adjust(AUS) RH ENGINE SPEED CONTROL OUT OF ADJUSTMENT.SDR RAIA970834Screw · out of adjustSTL 7508 - NR 1 ENGINE DID NOT MAKE POWER. ADJUSTED TAKEOFF RPM. (X)SDR QXEA9700517T1 Probe · malfunctionYKM- ENGINE POWER ON NR 2 ENGINE DROPPED 20 TO 30 PERCENT ON APPROACH. REDUCED POWER TO FLIGHT IDLE. WHEN POWER LEVER ADVANCED TORQUE STAYED IN THE 0 TO 10 PERCENT RANGE. AS A PRECAUTION SHUT DOWN NR 2 ENGINE. ACCOMPLISHED AN UNEVENTFUL LANDING. REPLACED SDR 97ZZZX4256Harness · chafedFADEC WIRING HARNESS CHAFED WHERE IT PASSES THROUGH CLAMP. SUBMITTER STATED CLAMP NEEDS CUSHION TO PREVENT WIRE FROM BEING DAMAGED.SDR USAASB97231Pmc · failedALB - FL 749 - ON TAKEOFF, NR 2 ENGINE PERIODICALLY SURGED. CREW LEVELED OFF AT 4,000 FEET AND RETURNED TO FIELD AT ALB. A/C LANDED WITHOUT FURTHER INCIDENT. REPLACED NR 2 ENGINE POWER MANAGEMENT CONTROL PER MM 73-21-04. RAN ENGINE, OPS CHECKED OK IN ALL PSDR REXA97233Screw X · out of adjustRETURNED TO RAMP WITH ENGINE SHORT ON TAKEOFF TORQUE. ADJUSTED SCREW X. (M)SDR CA970909008Mfcu · leaking(CAN) FUEL VENTING FROM STARBOARD OUTBOARD NACA VENT ON CLIMB OUT. MFCU, P3 AIR LEAKING INTERNALLY INTO DRAIN RETURN TO FUEL TANK RESULTING IN FUEL TANK PRESSURIZATION AND SUBSEQUENT VENTING. MFCU REPLACED. UNIT RETURNED TO P&W FOR INVESTIGATION.SDR GCHA0000013Fadec · malfunctionDURING POST-INSPECTION TEST FLIGHT, AIRCRAFT EXPERIENCED A FADEC DEGRADE AND RESTART FAULT LIGHT. THIS OCCURRED WHILE IN HOVER PERFORMING A POWER CHECK. AIRCRAFT WAS LANDED AND PILOT ATTEMPTED TO ROLL THROTTLE TO IDLE. WHILE FADEC WAS STILL IN AUTOMODE, NR SDR COMA9760156Speed Control · malfunctionedLT ENGINE WOULD ACHIEVE ONLY 76 PERCENT N1 DURING TAKEOFF. ENGINEELECTRONIC SPEED CONTROL SYSTEM PLACED ON DEFERRED MAINTENANCE LIST.SDR VTZA97457Engine · out of adjustIAD/CLE - FLT 6551 - DURING TAKEOFF AT 1830 HOURS ON 8-11-97, ABORTED TAKEOFF DUE TO LT ENGINE WOULD ONLY MAKE 87 PERCENT TORQUE ON TAKEOFF ROLL. AIRCRAFT RETURNED TO GATE WITH NO FURTHER PROBLEMS. MAINTENANCE INSPECTED AND ADJUSTED MAX POWER OUTPUT, OPS CHESDR VTZA97446Fcu Linkage · burrIAD/GBM - FLT 6249 - DURING CRUISE AT 2250 HOURS ON 8-6-97, MADE AN UNSCHEDULED LANDING DUE TO RT ENGINE RPM GOES TO 102 PERCENT - 103 PERCENT WHEN POWER LEVERS MOVED BACK. ENGINE WAS SHUT DOWN. AIRCRAFT RETURNED TO GATE WITH NO FURTHER PROBLEMS. MAINTENANCSDR 97ZZZX4207Fitting · brokenFITTING BROKE IN THREADS WHERE THEY SCREW INTO THROTTLE CONTROL. ENGINE QUIT IN FLIGHT. CONTINUED FLIGHT ON OTHER ENGINE TO BNA. PILOT SAW FUEL COMING FROM COWLING AFTER ENGINE QUIT. REMOVED AND REPLACED BROKEN FITTINGS. LEAK AND OPS CHECK OK. FITTING APSDR ORJA97124Sense Line · dirtyNR 1 ENGINE SURGING PLUS OR MINUS .03 EPR ON CLIMB-OUT. ENGINE ANTI-ICE, NO AFFECT. ENGINE STABILIZED AT 1.6 EPR, RETURNED TO GPT. CLEANED OUT FUEL CONTROL MOISTURE TRAP SENSE LINE IAW MM 73-20-03. SYSTEM OPS CHECKS NORMAL. AIRCRAFT RETURNED TO SERVICE. (SDR QXEA9700355Bypass Valve · malfunctionPDX - ABORTED TAKEOFF, NR 1 ENGINE TORQUE SURGES OF 10 TO 15 PERCENT DURING TAKEOFF ROLL. REPLACED NR 1 ENGINE FUEL BYPASS VALVE. OPERATIONAL CHECK GOOD.SDR VTZA97373Fcu · out of adjustIAD/MHT - FLT 6203 - DURING LANDING AT 1430 HOURS ON 7-25-97, MADE A SCHEDULED LANDING WITH ONE DISCREPANCY WHICH WAS LT ENGINE FLAMED OUT ON LANDING. CREW SHUT DOWN ENGINE. AIRCRAFT WENT TO GATE WITH NO FURTHER PROBLEMS. MAINTENANCE INSPECTED AND ADJUSTED SDR REXA97208Fuel Control · out of adjustLEFT ENGINE WILL ONLY MAKE 60 TORQUE AT 530 DG. ADJUSTED SCREW X GROUND RUNS CHECKED GOOD. (M)SDR HEEA0010525Transducer · malfunctionAT HIGH POWER SETTINGS, ENGINE HAS SLIGHT TORQUE OSCILLATION, FADEC DEGRADE LIGHT ILLUMINATED DURING ENGINE START ON S/N 1090-111 AND REMAINED ON.
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