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 97ZZZX3729Sense Probe · plug looseNR 2 ENGINE SURGED TWICE DURING CLIMB-OUT. INDICATIONS WERE OBSERVED ON BOTH FAN AND FUEL FLOW. AIRCRAFT ALSO YAWED. FOUND NR 2 ENGINE PT2 LENS PROBE PLUG LOOSE, ALSO, DIRTY WITH RUST-LIKE MATERIAL. CLEANED PROBE AND PLUG. SWAPPED PT2 PROBE LT TO RT PER INSDR VTZA97417Fcu · out of adjustRDU/ACY - FLT 8001 - DURING TAKEOFF AT 1930 HOURS ON 7-19-97, ABORTED TAKEOFF DUE TO LT ENGINE SLOW TO MAKE TORQUE. AIRCRAFT RETURNED TO GATE WITH NO FURTHER PROBLEMS. MAINTENANCE INSPECTED AND GROUND RAN AIRCRAFT AND ADJUSTED LT ENGINE MAX FUEL FLOW, OPS CHSDR VTZA97414P3 Line · failureIAD/ALB - FLT 6258 - DURING TAKEOFF AT 6258 HOURS ON 7-19-97, ABORTED TAKEOFF DUE TO RT BETA WARNING LIGHT ILLUMINATED. AIRCRAFT RETURNED TO GATE WITH NO FURTHER PROBLEMS. MAINTENANCE INSPECTED AND REMOVED AND REPLACED P-3 LINE. OPS CHECK OK. AIRCRAFT RELESDR WTAA970135Ttl Bypass Valve · failedLAX - LEFT TORQUE AND RPM INDICATION FLUCTATED ON TAKEOFF. TAKEOFF ABORTED. MAINTENANCE DEFERRED TTL PER MEL 76-2. AIRCRAFT RETURNED TO SERVICE. MAINTENANCE SUBSEQUENTLY CLEARED DEFERRAL BY REPLACING LT TTL BYPASS VALVE. OPERATIONAL CHECK SATISFACTORY. (SDR CA970903013Hmu · failed(CAN) ON APPROACH, NR2 COMPRESSOR VANE FAULT MESSAGE ON ECAM. TO AVOID RAPID THRUST MOVEMENT, ENGINE WOULD NOT COME ABOVE THRUST ON AUTO THROTTLE AND MANUAL THROTTLE. LANDED WITH NR2 ENGINE AT 21 PERCENT N1 ONLY.SDR VTZA97420Sensor · bird strikePVD/IAD - FLT 6470 - DURING APPROACH AT 1145 HOURS ON 7-17-97, MADE A SCHEDULED LANDING WITH ONE DISCREPANCY WHICH WAS LT ENGINE HAD A BIRD STRIKE WHICH CAUSED SMOKE IN CABIN. AIRCRAFT WENT TO GATE WITH NO FURTHER PROBLEMS. MAINTENANCE INSPECTED AND REMOVED SDR VTZA97401P-3 Line · crackedCLE/IAD FLT 6548 - DURING CRUISE AT 0820 HOURS ON 7-17-97, AIRCRAFT MADE A SCHEDULED LANDING AT IAD WITH ONE DISCREPANCY WHICH WAS THE LT BETA LIGHT ILLUMINATED AND FOUND P-3 LINE CRACKED CAUSING HOT AIR TO MELT WIRES TO BETA SWITCH. MAINTENANCE REMOVED AND RSDR VTZA97400Iec · malfunctionedIAD/CLE - FLT 6594 - DURING TAKEOFF AT 1250 HOURS ON 7-17-97, ABORTED TAKEOFF DUE TO BOTH ENGINES WOULD NOT MAKE SCHEDULED TORQUE. AIRCRAFT RETURNED TO GATE WITH NO FURTHER PROBLEMS. MAINTENANCE INSPECTED AND CLEARED ERRONEOUS FAULTS FROM LT AND RT IEC'S. OSDR REXA97199P3 Line · brokenRIGHT ENGINE QUIT ON CLIMB-OUT. FOUND P3 REFERENCE LINE BROKEN. INSTALLED SERVICEABLE LINE ON RIGHT ENGINE. (X)SDR 97ZZZX3447Hose · looseRIGHT ENGINE FLAMED OUT AT FL 370. ENGINE RE-STARTED IAW AFM AIR START PROCEDURES. ENGINE INSPECTED AND NO DAMAGE NOTED. TIGHTENED LOOSE T2 SENSE HOSE. C/W ALTITUDE ACCELERATION TEST FLIGHT. OPS CHECK GOOD.SDR 97ZZZX3799Trim Stick · failedFLL/PID - FLT 705 - PILOT REPORTED NR 4 T-5 EXTREMELY ERRATIC AT TAKEOFF POWER. PILOT ABORTED TAKEOFF AND RETURNED TO FLL MAINTENANCE BASE. INSPECTION FOUND NR 4 TRIM STICK TO BE AT FAULT. MAINTENANCE REMOVED AND REPLACED TRIM STICK. GROUND RUN ENGINE SATISDR WTAA970127ACannon Plug · contaminatedSFO - RIGHT ENGINE NOT MAKING TAKEOFF TORQUE. TAKEOFF ABORTED. MAINTENANCE CLEANED FUEL BYPASS VALVE CANNON PLUG AND ADJUSTED TORQUE SIGNAL CONDITIONER. OPERATIONAL CHECK SATISFACTORY. AIRCRAFT RETURNED TO SERVICE. (X)SDR C2XA97BT035Connector · dirtyPIT - NR 2 ENGINE POWER LOSS ON SHORT FINAL, ENGINE SHUTDOWN. CLEANED ECU AND TSCU CANNON PLUGS. PERFORMED GROUND RUNS. OPS CHECK GOOD IAW ATR42 MM 73-23-61 AND 72-00-00. AIRCRAFT RETURNED TO SERVICE. (M)SDR VTZA97381Transducer · failedIAD/BTW - FLT 6265 - DURING TAKEOFF AT 1245 HOURS ON 7-10-97, ABORTED TAKEOFF DUE TO RT IEC WARNING LIGHT ILLUMINATED. AIRCRAFT RETURNED TO THE GATE WITH NO FURTHER PROBLEMS. MAINTENANCE INSPECTED AND REMOVED AND REPLACED DELTA P/P TRANSDUCER, OPS CHECK OK. ASDR HEEA0010382Transducer · defectiveTRANSDUCER CAUSING FADEC DEGRADE INDICATION.SDR TC8A97032Pt2 Line · looseREJECTED TAKEOFF DUE TO NR 2 ENGINE STALLS AT 100 KTS. NR 2 ENGINE CHECKED AND FOUND PS4 FILTER CLOGGED AND PT2 LINE LOOSE. PS4 FILTER CLEANED AND PT2 LINE SECURED AS PER MM 75-30-2. ENGINE RUN CARRIED OUT, ALL CHECKS.SDR 97UAL900503P2/T2 Probe · blockedLEFT ENGINE TAKEOFF THRUST TOO LOW. N1, N2 AND FUEL FLOW NORMAL FOR OBSERVED EPR (ENGINE PRESSURE RATIO). *S/D* MAINTENANCE REPLACED THE NR 1 ENGINE P2/T2 PROBE ACCOUNT INSECT LODGED IN TEMPERATURE SENSOR AIR PASSAGE.SDR HEEA0010233Servo Motor · intermittentSERVO MOTOR WORKS INTERMITTENTLY.SDR SRAA970614Fuel Control · out of adjustDURING TEST FLIGHT OUT OF DUB, NR 4 ENGINE FLAMED OUT. ENGINE RESTARTED INFLIGHT AND ENGINE WAS FOUND TO BE SLOW TO ACCELERATE THROUGH OUT THE REST OF THE FLIGHT. RECHECKED RIGGING AND ADJUSTED FUEL CONTROL, INSPECTED FUEL LINES THEN PERFORMED ENGINE RUN OPSDR RAIA970622Hmu · failedSTL - FLT 7170 - DESCENDING THROUGH 10,000 FEET, AIRCRAFT YAWED, LT TORQUE DROPPED ALONG WITH FF. ENGINE SHUT DOWN. MAINTENANCE REPLACED LEFT ENGINE HMU. (X)SDR CA970731019Governor · drooping(CAN) DROOPING 4 PERCENT NR WHEN POWER PULLED IN WITH SLOW OR NO RECOVERY IN RPM UNTIL POWER REDUCED. AIRCRAFT HAD TO LAND BEFORE RECOVERY OF RPM.SDR RAIA970618Hmu · failedSTL - FLT 7003 - RIGHT ENGINE TORQUE AND NP FLUCTUATE 8-10 PERCENT IN-FLIGHT. MAINTENANCE REPLACED RIGHT ENGINE HYDROMECHANICAL UNIT. (X)SDR 9712109917P/D Valve · malfunctionedAS THROTTLES WERE ADVANCED FOR TAKEOFF, THE LEFT ENGINE WAS UNRESPONSIVE AND REMAINED AT IDLE RPM. CREW ABORTED TAKEOFF AND RETURNED TO GATE. MAINTENANCE REPLACED P AND D VALVE, INSPECTED POWER LEVER RIGGING AND OPERATIONAL CHECK OK.SDR CA970624022Condition Motor · intermittent(CAN) ON ARRIVAL LH ENGINE DID NOT SHUT DOWN IMMEDIATELY WITH FUEL CONTROL SWITCH IN CUT OFF POSITION. LH ENGINE CONDITIONING MOTOR REPLACED.SDR CA970715020Pressure Switch · malfunctioned(CAN) DURING NORMAL OPERATIONS, THE FLIGHT CREW REPORTED THAT THE LEFT NO FUELTRANSFER INDICATION WAS NOT ACTUATING. MAINTENANCE REPLACED THE PRESSURE SWITCH AND THE SYSTEM TESTED OK AND THE AIRCRAFT WAS RELEASED.SDR VTZA97319P3 Line · brokenFLT 6493 - MDT-IAD - ABORTED TAKEOFF DUE TO RIGHT SRL CAME ON DURING TAKEOFF ROLL. MAINTENANCE INSPECTED AND REMOVED AND REPLACED P3 LINE. OPS CHECK OK. AIRCRAFT WAS RELEASED AND RETURNED TO SERVICE. (M)SDR 9710539930Fuel Control · contaminatedAS TAKEOFF POWER WAS APPLIED, THE RIGHT ENGINE EPR, N1, AND N2 INDICATIONS BEGAN FLUCTUATING. CREW ABORTED TAKEOFF AND RETURNED TO THE GATE. MAINTENANCE DRAINED THE FUEL CONTROL MOISTURE TRAP ON THE RIGHT ENGINE, OPERATIONAL CHECK OK.SDR VTZA97306Ttl Valve · failedFLT 6504 - ROA-IAD - ABORTED TAKEOFF DUE TO LEFT ENGINE WOULD ONLY MAKE 80 PERCENT TORQUE. AIRCRAFT LANDED AT ROA AND WENT TO THE GATE WITH NO FURTHER PROBLEMS. MAINTENANCE INSPECTED AND DEFERRED NR 1 TTL, DMI 49601, MEL 76-2. MAINTENANCE CLOSED DMI 49601, SDR USAABB97066Fuel Flow Gov · failedPIT - FL 91, DURING TAKEOFF, CREW NOTED LEFT ENGINE EPR DECREASING FROM 1.72 TO 1.5 TO 1.5. TAKEOFF WAS CONTINUED WITH REDUCED THRUST. FLIGHT RETURNED PIT AND LANDED WITH NO FURTHER INCIDENT. MAINTENANCE REPLACED THE LEFT ENGINE FUEL FLOW GOVERNOR. (M)SDR QXEA9700205Hmu · malfunctionAT LEVEL OFF AT FLIGHT LEVEL 19,000, NOTICED A GRADUAL POWER LOSS ON NR 1 ENGINE (19 PERCENT IN 2 MINUTES). RETURNED TO THE FIELD AND ACCOMPLISHED AN UNEVENTFUL LANDING. REPLACED NR 1 HYDROMECHANICAL UNIT, OPERATIONAL CHECKS GOOD.SDR 97ZZZM689Fuel Control · out of adjustKMIA-GUA - FLT 47 - DURING CRUISE, NR 1 ENGINE EXPERIENCED HIGH VIBRATION (2.4) ENG WAS THROTTLED BACK TO IDLE AND A/C PERFORMED AN AIR RETURN INTO KMIA. ON GROUND AT KMIA MAINTENANCE PERFORMED A TRIM BALANCE PER 71-00-00 TEST 7, MAX VIBRATION 0.5. AIRCRAFT SDR VTZA97297Pt2 Probe · failedFLT 6326 - IAD-ROC - DURING CRUISE, MADE AN UNSCHEDULED LANDING DUE TO RIGHT POWER LEVER 2 INCHES FORWARD TO MAINTAIN EQUAL TORQUE. AIRCRAFT RETURNED TO GATE WITH NO FURTHER PROBLEMS, MAINTENANCE INSPECTED AND REMOVED AND REPLACED PT2 PROBE, OPS CHECK OK. AISDR REXA97137Connector · looseBYPASS LEFT ENGINE ON TAKEOFF. TIGHTENED CONNECTOR ON LEFT TTL COMPUTER. (M)SDR 97ZZZX2980P3 Line · brokenRIGHT ENGINE SPOOLED DOWN DURING CLIMB-OUT, WOULD NOT MAINTAIN POWER. SENT TO PWA FOR REPAIR AND REPORT. ENGINE REMOVED AND REPLACED.SDR 97UAL900377Cdp Line · wornDURING TAKEOFF ROLL, NR 3 ENGINE WOULD NOT SPOOL UP BEYOND 70 PERCENT N1. ABORTED TAKEOFF AT 70 KNOTS. ENGINE NR 3 WOULD NOT RESPOND TO THROTTLE MOVEMENT ON TAXI WAY. *S/D* MULTIPLE PROBLEMS WERE FOUND AND CORRECTED. THE DISCREPANCIES THAT MOST LIKELY RESSDR SIMA9701362Valve · failedORD - FLT 4029 - ELECTRICAL/SMOKE SMELL ENTERED CABIN FOLLOWING THE STARTING OF ENGINES. MAINTENANCE WAS ABLE TO DUPLICATE SMELL PRIOR TO REMOVING. CLEANED AND REINSTALLED P2.5 SWITCHING VALVE ON RIGHT HAND ENGINE. PERFORMED OPS CHECK WITH NO INDICATION OF SDR AALA970910Fuel Governor · defectiveMCO - FLT 638 - DURING APPROACH TO MCO, LEFT ENGINE FLAMEOUT 500 FEET BEFORE LANDING. ACCOMPLISHED ABNORMAL PROCEDURES AND AIRCRAFT LANDED WITHOUT INCIDENT. REPLACED LEFT ENGINE FUEL FLOW GOVERNOR, TRANSIENT PRESSURE UNIT, BLEED VALVE CONTROL UNIT, IP BLEED SDR P5CA9700521Tt2 Sensor · malfunctionedJUST PRIOR TO DESCENT, NR 1 ENG WOULD NOT RESPOND TO THROTTLE MOVEMENT BETWEEN FLIGHT LEVELS 35.0 AND 25.0. EPR .95; EGT 600 C; FUEL/FLOW 2700 N1 59 PERCENT. CREW TRIED A RAPID RESTART AT 250 KTS, NO HELP ENG ANTI-ICE ON ALL FUEL PUMPS, TRIED FUEL HEAT BOTH ISDR RAIA970514Bypass Valve · failedFAT - FLT 4734 - LEFT ENGINE DID NOT MAKE TARGET TORQUE. MAINTENANCE REPLACED LEFT ENGINE FUEL BYPASS VALVE. (X)SDR RAIA970508Connector · broken wireSTL - FLT 7434 - LEFT ENGINE WOULD NOT ACHIEVE TARGET TORQUE. MAINTENANCE REPAIRED WIRING AT LEFT TTL BYPASS VALVE CONNECTOR. (X)SDR EIAA970091Pt2 Probe · pluggedABQ - WHEN TAKEOFF POWER WAS SET, LEFT ENGINE THROTTLE WAS ONE AND ONE-HALF KNOBS BEHIND RIGHT ENGINE THROTTLE. ENGINE REDINGS WERE: LEFT ENGINE EPR 1.97, N1 84 PERCENT, EGT 440, N2 89 PERCENT, F/F 5300 POUNDS. RIGHT ENGINE EPR 1.99, N1 92.5 PERCENT, EGT 51SDR 97ZZZX2837Air Line · brokenIN CRUISE FLIGHT, NR 2 ENGINE SPOOLED DOWN TO 30 PERCENT AND THEN DOWN TO 10 PERCENT. ENGINE WAS SECURED AND AIRCRAFT WAS FLOWN TO AIRPORT FOR LANDING. FOUND PC AIR LINE, PN 6893073, BROKEN AT FERRULE ON FUEL CONTROL. THIS LINE COMES FROM GOVERNOR TO FUEL CSDR WTAA970073Connector · dirtyFAT - LEFT ENGINE OVER TEMP REPORTED ON TAKEOFF ROLL. TAKEOFF ABORTED. MAINTENANCE CLEANED BYPASS VALVE CANNON PLUG. LEFT ENGINE OPERATIONAL CHECK SATISFACTORY DURING GROUND RUN. AIRCRAFT RETURNED TO SERVICE. (M)SDR UIEA9702Ps4 Line · brokenCREW REPORTS, EXPERIENCED NR 3 ENGINE FAILURE AT FL 410. DESCENDED TO FL 350, ATTEMPTED UNSUCCESSFUL RESTART. DESCENDED FURTHER TO FL 310. ATTEMPTED TWO UNSUCCESSFUL RESTARTS. NO FUEL FLOW. CONTINUED FLIGHT TO LAX UNEVENTFULLY. LAX WAS SELECTED AS THE SASDR CA970520006P3 Line · cracked(CAN) #2 ENGINE EXPERIENCED A MINIMUM FUEL FLOW CONDITION SHORTLY AFTER TOUCHDOWN. MAINTENANCE FOUND THE P3 COMPRESSOR DELIVERY LINE TO THE FUEL CONTROL UNIT CRACKED.SDR SCNA97126Cross Shaft Nut · looseDURING DESCENT HAD NO THROTTLE RESPONSE FROM THE NUMBER 3 ENGINE. FOUND UPPER THRUST CRANK ON INBOARD SIDE OF ENGINE CROSS SHAFT SECURING NUT LOOSE AND THRUST CRANK OFF THE SPRING SHAFT. REINSTALLED THRUST CRANK AND TORQUED AND SAFETIED NUT. PERFORMED ENGINSDR HAIHEEA9730Linear Actuator · sticksLINEAR ACTUATOR STICKS IN EXTENDED POSITION.SDR AU970445Compensator · loose(AUS) LH ENGINE EGT COMPENSATOR CONNECTOR PLUG LOOSE AND CORRODEDSDR CA970513016Choke Cable · broken(CAN) THE CHOKE CABLE WAS FOUND BROKEN WHERE IT THREADS INTO THE 90 DEGREE ROUTING UNIT.SDR TC8A97021Fuel Control · out of adjustAFTER ENGINE START NR 4 EGT 355 DEGREES, NR 2 59.0 PERCENT, NR 1 33.0 PERCENT, FF 700. PERFORMED ENGINE TRIM RUN, ADJUSTED FUEL CONTROL IDLE IAW M/M 73-20-1 E GT 340 DEGREES, NR 2 61.0 PERCENT, NR 1 33.5 PERCENT, F/F 950, SYSTEM CHECKS GOOD.
Back to JASC 7320