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 SWAA990915Hmu · malfunctionedWHEN REDUCING POWER LEVERS FROM CLIMB TO CRUISE THRUST, ENGINES DEVELOPED A HARMONIC RESISTANCE RESULTING IN AIRCRAFT SHAKING AGGRESSIVELY. SHAKING STOPPED WHEN POWER WAS PULLED BACK DOWN TO 85 PERCENT N1. REMOVED AND REPLACED NR 2 ENGINE HMU AND AIRCRAFT VISDR VTZA990095Fuel Control · out of adjustFLT 7195 - IAD-ROA - AIRCRAFT ABORTED TAKEOFF DUE TO LEFT ENGINE WOULD ONLY PRODUCE 99.2 PERCENT RPM. AIRCRAFT RETURNED TO THE GATE WITH NO FURTHER PROBLEMS. MAINTENANCE INSPECTED AND ADJUSTED X-SCREW ON LEFT ENGINE, OPS CHECK OK. AIRCRAFT WAS RELEASED AND SDR SWAA990877Hmu · malfunctionedAIR TURNBACK, LEVEL FLIGHT 11,000 FT, THROTTLE REDUCED TO CRUISE SETTING. SEVERE VIBRATION IN NR 2 ENGINE. POWER RETARDED AND ENGINE VIBRATION STOPPED. REMOVED AND REPLACED NR 2 ENGINE HMU PER MM.SDR CA990514013Fcu · failed(CAN) LIGHTNING STRIKE ON RIGHT WING AREA. LOSS OF N2 ON RIGHT ENGINE FOR 45 SECONDS. HEAVY RAIN. NO FAULTS FOUND BY GROUND CREW. FCU REPLACED, PRECAUTIONARY.SDR SIMA991315Hmu · malfunctionedSBP - FLT 3309 - AFTER TAKEOFF AT 800 FT, NR 2 ENGINE COMPRESSOR STALLED AND SHUTDOWN, AND THE OVERTEMP LIGHT ILLUMINATED. CREW DECLARED AN EMERGENCY AND RETURNED TO SBP. MAINTENANCE DOWNLOADED FDAU DATA AND FOUND NO EXCEEDANCE RECORDED FOR FLIGHT 3309. PERSDR SWAA990847Hmu · malfunctionedTRIED TO SET CLIMB POWER, (CDU N1 LIMIT 99.5 PERCENT) NR 1 ENG GOT A STRONG AIRFRAME VIBRATION ANYTIME PWR WAS ADVANCED PAST 93 PERCENT N1, NO MOVEMENT IN EITHER VIBRATION GAUGE. INSPECTED AIRCRAFT, AND NO DEFECTS NOTED. REMOVED AND REPLACED HMU, LKS AND OPSSDR RAIA990509Valve · failedFLT 7042 - COU - TORQUE DROPPED ON RIGHT ENGINE, TURNED TTL OFF, TORQUE CAME BACK UP. MAINTENANCE REPLACED FUEL BYPASS VALVE ON RIGHT ENGINE. (M)SDR VTZA990056Fuel Control · out of adjustFLT 7282 - IAD-ROA - DURING LANDING MADE AN SCHEDULED LANDING WITH ONE DISCREPANCY WHICH WAS RIGHT ENGINE FLAMED OUT ON LANDING. AIRCRAFT WENT TO GATE WITH NO FURTHER PROBLEMS. MAINTENANCE INSPECTED AND ADJUSTED RIGHT DECELL AND GROUND RAN AIRCRAFT. OPS CHESDR 99ZZZX2889Solenoid · intermittentSOLENOID OPERATES INTERMITTENTLY. REF: MCN 53. REMOVED AND REPLACED.SDR TC8A99013P & D Valve · failedNR 1 ENGINE FLAME-OUT AFTER ENGINE START. FUEL FLOW INDICATOR SHOWING FLUCTUATION OF 1,000 +/- 500 PSI. FUEL PRESSURE ENGINE DRIVEN PUMP. NORMAL RANGE - FUEL PRESSURE INDICATION FUEL PUMP TANK PRESSURE/FEED. REMOVED AND REPLACED P & D VALVE AND FUEL FILTERSDR 99ZZZX1884Rod End · wornDURING AN ENGINE CHANGE, PLAY WAS NOTED IN ROD ASSEMBLY LINKING VAPC WITH THE THROTTLE BODY. UPON DISASSEMBLY OF THE LINK ROD UNIT, NOTED THE ROD END 632557 WAS WORN WHERE IT CONNECTED TO THEVAPC LINKAGE. APPROXIMATELY 20 PERCENT REDUCTION IN DIAMETER WAS NSDR 99ZZZX1883Rod End · wornDURING ANNUAL INSPECTION, PLAY WAS NOTED IN ROD ASSEMBLY LINKING VAPC WITH THE THROTTLE BODY. UPON DISASSEMBLY OF LINK ROD UNIT, NOTED THE ROD END 63251 WAS WORN WHERE IT CONNECTED TO THE VAPC LINKAGE. APPROXIMATELY 20 PERCENT REDUCTION IN DIAMETER WAS NOTEDSDR VTZA990031Fuel Control · out of adjustFLT 7599 - BGM-IAD - DURING APPROACH, LEFT ENGINE FAILED IN FLIGHT 0 PERCENT TQ 50 PERCENT RPM, SRL, FUEL, OIL PRESS CAPTIONS. ENGINE FAILED WITH ANTI-ICE AND IGN ON. MAINTENANCE ADJUSTED FLGHT IDLE FUEL FLOW AND MAX POWER ON LEFT ENGINE AND PERFORMED ENGINESDR 99ZZZX2461Diaphragm · wornFUEL CONTROL INSTALLED ON AGRICULTURAL AIRCRAFT INVOLVED IN INCIDENT.SDR SWAA990675Hmu · contaminatedINFLIGHT SHUT DOWN, NR 2 ENGINE ROLLED BACK AT 31,000 FEET AND 87 PERCENT N1, WINDMILLED AND APU RESTART UNSUCCESSFUL AT 25,000 FEET, 280 KNOTS. APU RESTARTED AT 19,000 FEET 280 KNOTS, ENGINE RAN FOR APPROXIMATE 20 MINUTES AND ROLLED BACK AGAIN AT 12,000 FEETSDR FJT99049361P3 Line · crackedRDU - FLT 7936 - RIGHT ENGINE P3 BLEED LINE CRACKED AT MOUNTING FLANGE TO ENINE. CAUSING LOSS OF BLEED AIR AND ANTI-ICING FOR THE RIGHT ENGINE. THE LINE WAS THE PREMOD TYPE AND SHOULD NOT HAVE VEEN INSTALLED ON THE ENGINE. THE LINE WAS REPLACED WITH POSTMODSDR RAIA990410Gasket · failedFLT 7430 - EVV - RIGHT ENGINE TORQUE SURGING. MAINTENANCE REPLACED P-3 GASKET ON RIGHT ENGINE. (M)SDR HEEA061769Harness · failedAPPROXIMATELY 55 MINUTES INTO FLIGHT, FADEC HAD NPQ EXCEEDENCE. ECU AND HMU REPLACED 9-13-98. REPLACED WITH SERVICEABLE HARNESS.SDR HEEA061768Harness · failedFADEC DEGRADE LIGHT ON AFTER SHUTDOWN. COMPUTER SHOWED TORQUE TRANSMITTER PROBLEM FOUND IN FADEC HARNESS. REPLACED WITH SERVICEABLE HARNESS.SDR HEEA061767Harness · failedFADEC DEGRADE AND RESTART FAULT LIGHTS ON. REPLACED WITH SERVICEABLE HARNESS.SDR AU990332Line · broken(AUS) PC PIPE FROM COMPRESSOR SCROLL TO `TEE' FITTING FRACTURED AND BROKEN OFF AT THE BASE OF THE FLARE BELOW THE `B' NUT. THE ENGINE IS FITTED WITH A CECO FUEL SYSTEM.SDR 99ZZZX2843Servomotor · malfunctionedSERVOMOTOR DOES NOT OSCILLATE WHEN SWITCH IS IN ON POSITION. REF: MCN NR 24.SDR 20000427SH001Fcu · leakingFUEL LEAKING FROM DATA PLATE ATTACH RIVET/SCREW. (X)SDR UF6A990317Connector · contaminatedORD - FLT 5742 - NR 1 ENGINE TORQUE NH AND NL OCCILATES DURING CLIMB. MAINTENANCE INSPECTED THE NR 1 ENGINE RIGGING AND CLEANED THE EEC CONNECTIONS. PERFORMED POWER ASSURANCE RUNS. NO DEFECTS NOTED. (M)SDR TC8A99004Line · replacedNR 1 ENGINE FAILED TO MAKE T/O POWER. FOUND BROKEN PS4 LINE AT NR 1 ENGINE FUEL CONTROL ASSY. REPLACED HARD LINE WITH FLEX HOSE ASSY IAW 20-10-12. PERFORMED GROUND MAINTENANCE RUN AT ALL POWER SETTINGS, CHECKED OUT IAW BMM CHAPTER 72-00, NO DEFECTS NOTED.SDR 99ZZZX1375Cdp Line · contaminatedTEN MINUTES AFTER T/O OUT OF NARITA ON CLIMBING TO 10,000 FEET, CREWS NOTICED NR 3 ENGINE POWER LAGGING BEHIND COMPARED WITH ENG 1 AND ENG 2. ATTEMPTS TO RESTORE NORMAL POWER TO THAT ENGINE FAILED AND ACFT MADE AN ATB. DURING T/S, CHECKED MAIN FUEL FILTER ANSDR CA990323020Eec · malfunctioned(CAN) FLIGHT CREW NOTED NR 1 ENGINE COULD NOT REACH SELECTED EPR WITH THROTTLE FULL FORWARD. AT 35 KNOTS, A REJECTED TAKEOFF WAS ACTIONED. MAINTENANCE CARRIED OUT A BITE TEST ON THE LEFT ELECTRONIC ENGINE CONTROL (EEC) AND FOUND AN INTERNAL FAULT. THE EEC WSDR RAIA990226P2 Sensor · failedFLT 7128 - STL - RIGHT ENGINE IEC FAULT LIGHT ILLUMINATED. MAINTENANCE REPLACED RIGHT ENGINE P2 INLET SENSOR. (M)SDR SWAA990320Pmc · malfunctionedDURING CRUISE, AFTER ADJUSTING THROTTLE NR 2 ENGINE N1, N2, EGT AND FUEL FLOW FLUCTUATED FOR APPROX 2 MINS BEFORE ENGINE STABILIZED. PLACED ON MEL NR 73-7. A/C OK FOR CONTINUED SERVICE. PLACARDS INSTALLED. DURING OVERNIGHT MX, REPLACED NR 2 PMC PER M/M, OPSDR DLL10990339Regulator · inopABORTED TAKEOFF AT 60 KNOTS DUE TO FLUCTUATION OF NR 1 ENG INSTRUMENTS. ON STATIC R/U N1 EGT N3 THROTTLE POSTION ALL AT TAKEOFF EPR ONLY REACHED 1.365. REPLACED NR 1 ENGINE FFR AND PERFORMED ENGINE RUN PER PFHB, ALL CHECKS GOOD.SDR A6WA990004Py Line · crackedDURING CRUISE, NR 1 ENGINE TORQUE DROPPED TO ZERO, ITT FELL 200 - 300 DEGREES, SHUT DOWN PER CHECKLIST. AIR START ATTEMPTED. NO GOOD. NOTE: AIRCRAFT FLT 7133 WAS EN ROUTE DEN/MTJ AND DIVERTED TO GUC. FOUND PY LINE BROKEN. REMOVED AND REPLACED PY LINE. GSDR 99ZZZX1957Pe Line · brokenKTN/FAI - EN ROUTE, RIGHT ENGINE TORQUE WENT TO ZERO. N1 STABLE AT IDLE. FUEL FLOW NORMAL FOR IDLE. POWER LEVER AND CONDITION LEVER HAD NO EFFECT. DIVERTED TO JUNEAU. REPLACED P1 LINE.SDR 99ZZZX1141Hmu · failedPILOT REPORTED ON 10 MILE FINAL AT 3,000 FEET MSL, THE LEFT ENGINE ROLLED BACK WITH THE POWER LEVER PULLED BACK TO FLIGHT IDLE. REPLACED LT HMU AND FUEL PUMP WITH SERVICABLE, CONTINUED TIME HMU AND FUEL PUMP. ENGINE TSN: 8,473.6 HOURS, CSN: 9,993.SDR SWAA990236Circuit Breaker · malfunctionedNR 1 ENGINE SHUTDOWN AFTER ENGINE START. RETURNED TO GATE. CYCLED NR 1 ENG, FUEL SHUT-OFF VALVE C/B, SYSTEM OP CKS NORMAL.SDR 99ZZZM284Fuel Flow Reg · inoperativeDURING TAKEOFF, NR 2 EPR DROPPED TO 460 AFTER V1, N1 88 PERCENT, TGT 650, N2 99 PERCENT, FF 2000 LBS/HR LOW THROTTLE AT FULL FORWARD POSITION, TARGET EPR 535, N1 95 PERCENT. REMOVED AND REPLACED NR 2 ENGINE FFR IAW MM CHAPTER 73-21-01, OPS AND LEAK CHECK GOODSDR 99UAL900085Metering Unit · leakingNR 1 ENGINE FUEL DRAINMAST IS LEAKING FUEL FROM THE FMU PORT IN A STEADY STREAM DURING ENGINE RUN. FUEL METERING UNIT LEAKING FROM DRAIN MAST. NOT A NEW PROBLEM. MRR NOT REQUIRED. COA IN PROCESS TO REDUCE FUEL LEAKS.SDR UF6A990122Eec · malfunctionedGRB - FLT 5738 - ON TAKEOFF, NR 1 ENGINE TORQUE DECREASED BY APPROXIMATELY 20 PERCENT. FURTHER POWER LEVEL INCREASES HAD NO EFFECT. MAINTENANCE CLEARED THE NR 1 EEC AND PERFORMED NUMEROUS POWER ASSURANCE RUNS IN TAKEOFF CONFIGURATION FOR 3 MINUTES EACH IAW PSDR 99UAL900064P & D Valve · out of adjustNR 2 ENGINE VIBRATION FELT IN CLIMB, OK IN CRUISE. FLIGHT ATTENDANTS REPORTED LOUD NOISE AND VIBRATION FELT IN AFT ENTRY DOOR JUMP SEAT. ALSO, BURNING RUBBER SMELL REPORTED SEVERAL TIMES. DIVERTED TO ORD. *S/D* FOUND LOW FREQUENCY VIBRATION IN NR 1 ENGINSDR SIMA990201Valve · failedCRP - FLT 3674 - SMOKE IN THE COCKPIT. TURNED OFF NR 1 BLEED AD SMOKE CLEARED. DIVERTED TO CRP. FERRIED AIRCRAFT TO DFW FOR REPAIR. REMOVED AND REPLACED NR 1 P2.5 AND P3 AIR SWITCHING VALVE. GROUND RUN CHECKS GOOD. (M)SDR LR7A9902Speed Control · failedON TAKEOFF, NR 2 ENGINE WOULD NOT EXCEED 830 DEG TIT, SELECTED NULL AND PULLED IGNITION CONTROL CB ENGINE TIT STAYED AT 830 DEG. TIT, SHUTDOWN ENGINE AT 1226Z. RETURNED TO DEPARTURE AIRPORT. REMOVED AND REPLACED NR 2 SPEEDSENSE CONTROL IAW ALLISON 501 D22 MMSDR 99UAL900021Metering Port · leakingNR 1 ENG LEAKING STREAM OF FUEL WHEN ENG RUNNING. APPEARS TO BE FROM FUEL METERING PORT ON BOTTOM DRAIN FIN. FUEL METERING UNIT LEAKING FROM DRAIN MAST. NOT A NEW PROBLEM. MRR NOT REQUIRED. COA IN PROCESS TO REDUCE FUEL LEAKS.SDR 9900161232Cit Sensor · malfunctionedDURING TAKEOFF ROLL, THE NR 3 ENGINE HAD LAGGING N1 INDICATION AND LOW FUEL FLOW INDICATION. THE TAKEOFF WAS ABORTED AT 110 KTS AND THE AIRCRAFT RETURNED TO THE GATE. MAINTENANCE CHECKED THE COMPRESSOR DISCHARGE LINE FOR LEAKS AND CLEANED THE LINE. ALSO, THSDR ARWA990104Ffr · out of adjustBQN - FLT 508 - ABORTED TAKEOFF. NR 3 ENGINE SLOW TO ACCELERATE. MAX EPR ON TAKEOFF ROLL 1.200 (1500 RQD FOR REDUCED T/O POWER). RETURNED TO RAMP. ADJUSTED FUEL FLOW REGULATOR AND RUN NR 3 ENGINE PER MM 71-00-00, OPS CHECK NORMAL. (M)SDR PNSA990101Apr · failedRT APR FAILED TO ARM DURING TAKEOFF ROLL ABORTED TAKEOFF. SUBSEQUENT TEST OF SYSTEM WAS OK. NO FURTHER SQUAWKS WERE NOTED.SDR 99ZZZM36Bypass Valve · inoperativeDURING TAKEOFF FROM POS, THE RIGHT ENGINE EXPERIENCED A LOSS OF TORQUE AND THE TAKEOFF WAS ABORTED. A STATIC RUN UP WAS COMPLIED WITH FOR BOTH ENGINES AND WAS SATISFACTORY. THE CAPTAIN ATTEMPTED A SECOND TAKEOFF, THE LOSS OF TORQUE WAS EXPERIENCED AGAIN AND SDR ARWA981213Fuel Control · out of adjustNR 3 ENGINE SLOW TO SPOOL, ABOVE 1.3 EPR. DURING TAKEOFF ROLL IN DTW ABORTED TAKEOFF. AFTER FURTHER RUN-UP ON THE TAXI WAY, ENGINE OPERATED NORMALLY. ADJUSTED FUEL CONTROL IAW M/M 73-21-00.SDR RAIA981220Valve · failedFLT 7361 - PAH - RIGHT ENGINE WOULD NOT MAKE TARGET TORQUE. MAINTENANCE REPLACED SERVO VALVE ON RIGHT ENGINE. (M)SDR CA990310083Eec · malfunctioned(CAN) ON DESCENT, NR 2 ENGINE LOST TORQUE INDICATION AND THE ENGINE REVERTED TO MANUAL. NR 2 ENGINE ELECTRONIC CONTROL WAS REPLACED, CHECKED SERVICEABLE AND THE AIRCRAFT REURNED TO SERVICE.SDR CA990310082Eec · malfunctioned(CAN) ON DESCENT, PILOT REPORTED NR 2 ENGINE ELECTRONIC CONTROL (EEC) WENT INTO MANUAL WITH THE TORQUE INDICATION GOING BLANK AND THE ASSOCIATED CIRCUIT BREAKERS TRIPPING AND BEING UNABLE TO RESET. MAINTENANCE REPLACED THE EEC AND SOME CHAFED WIRES. THE ENGISDR AMWA001558P-3 Line · brokenFLT 5648 - DIVERTED TO ICT EN ROUTE TO MCI FROM DDC WHEN THE RIGHT ENGINE N1 WENT TO 55 PERCENT. THE CREW SHUT DOWN THE ENGINE AND DECLARED EMERGENCY. AIRCRAFT LANDED IN ICT WITHOUT INCIDENT. ICT MAINTENANCE REPLACED THE RIGHT ENGINE P-3 LINE FROM TEH FCU T
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