JASC 7712
Service difficulty reports · 1,239
Reports filed under 7712 · Engine BMEP/Torque Indicating, 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 = '7712' 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 = '7712' 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 VTZA95150Tq Signal Cond · failureSYR/IAD - FLT 6362 - DURING CRUISE AT 0735 HRS ON 4-28-95, DIVERTED TO BGM DUE TO THE LT ENGINE EGT AND TORQUE FLUCTUATION. AN EMERGENCY WAS DECLARED AND THE CREW SHUT THE ENGINE DOWN IN-FLIGHT. AIRCRAFT LANDED AT BGM WITH NO FURTHER INCIDENTS. MAINTENANCE SDR HEEA954866Transmitter · defectiveNEEDLE HAS AN ERRATIC INDICATION.SDR 95ZZZX2476Transmitter · failedNR 2 ENGINE TORQUE TRANSMITTER FAILED.SDR 95ZZZW687Connector · contaminatedFLT 4145 - ON TAKEOFF ROLL LEFT ENIGNE TORQUE INDICATION FLUCTUATED. TAKEOFF WAS ABORTED AND AIRCRAFT RETURNED TO THE GATE. PIT MAINTENANCE PERSONNNEL INSPECTED AIRCRAFT AND DISCOVERED A CONTAMINATED CANNON PLUG, LEFT ENGINE TORQUE SIGNAL CONDITIONAL. CLEANSDR WTAA950163Tq Signal Cond · failedLAX - LEFT ENGINE TORQUE INDICATION FLUCTUATION REPORTED IN-FLIGHT. AIRCRAFT RETURNED TO STATION WITHOUT INCIDENT. MAINTENANCE REPLACED AND ADJUSTED LEFT ENGINE TORQUE SIGNAL CONDITION UNIT. AIRCRAFT RETURNED TO SERVICE. (X)SDR 95ZZZW685Ctot Panel · failurePILOT ABORTED TAKEOFF DUE TO CTOT SET FOR 108 PERCENT, WHEN CTOT ENGAGED THE LEFT ENGINE WENT TO 1O8 PERCENT AND THE RT ENGINE LAGGED MOMENTARILY AND THEN SHOT TO 120 PERCENT. MAINTENANCE REPLACED THE CTOT PANEL AND PERFORMED A FUNCTIONAL CHECK OF THE SYSTEM,SDR 96ZZZX992Indicator · fluctuatesINDICATOR FLUCTUATES AT CRUISE.SDR RAIA950409Tq Signal Cond · out of adjustSTL - FLT 7058 - RIGHT ENGINE TORQUE DROPPED TO 65 PERCENT. MAINTENANCE ADJUSTED RIGHT TORQUE SIGNAL CONDITIONER. GROUND RUNS REVEALED NORMAL OPERATION. (M)SDR RAIA950407Tq Temp Limiter · inopMRY - FLT 4716 - LOW POWER ON RIGHT ENGINE. MAINTENANCE DEFERRED RIGHT TORQUE TEMP LIMITER PER MEL 76-2, CATEGORY C. GROUND RUNS OK. (M)SDR 95ZZZX2023Tq Sig Cond · failedPIT - FLT 4092 - CREW ABORTED TAKEOFF, LT ENGINE NOT PRODUCING TARGET TORQUE. RETURNED TO GATE WITHOUT FURTHER INCIDENT. PIT MAINTENANCE ADJUSTED MAX FUEL FLOW, EGT COMP RESISTOR, AND TORQUE SIGNAL CONDITIONER ALL IAW GARRETT MM 72-00-00. ALSO, CONDUCTED ENSDR RAIA950403Tq Signal Cond · out of adjustSTL - FLT 7316 - LEFT ENGINE TEMPERATURE LIMITED AND TORQUE FLUCTUATED. MAINTENANCE ADJUSTED LEFT ENGINE TORQUE SIGNAL CONDITIONER AND CLEANED LEFT ENGINE TORQUE STRAIN GAUGE PLUG OF OIL RESIDUE. GROUND RUNS REVEALED NORMAL OPERATION. (M)SDR RMXA9520579Vartoms · malfunctionEXCESSIVE TORQUE SPLITS ON TAKE OFF. REMOVED AND REPLACED RPM CONTROL.SDR HEEA954617Transmitter · erraticERRATIC TORQUE GAUGE; FLUCTUATIONS AND VIBRATION SENSITIVE. (LOOSE PARTS INSIDE)SDR HEEA954578Indicator · trips breaker#2 SIDE POPS CIRCUIT BREAKER.SDR EGRA9516Torquemeter · defectiveTORQUE INDICATOR HAS INTERMITTENT FLAG PROBELM. REPLACED TORQUE INDICATOR.SDR RAIA950334Signal Cond · out of adjustSTL - FLT 7308 - LT ENGINE TORQUE DROPPED OFF LESS THAN 50 PERCENT TORQUE. MAINTENANCE RESET EGT COMPENSATOR AND ADJUSTED LT ENGINE TORQUE SIGNAL CONDITIONER. GROUND POWER RUNS REVEALED NORMAL OPERATION. (X)SDR SIMA950781Tq Probe · defectiveAFTER TAKEOFF FROM DFW, AIRCRAFT EXPERIENCED A NR 1 ENGINE TORQUE FLUX WITH YAW. CREW SHUT DOWN ENGINE AS A PRECAUTIONARY. REPLACED NH PROBE ON NR 1 ENGINE, PERFORMED GROUND MAINTENANCE RUNS AND PERFORMED SATISFACOTRY TEST FLIGHT. AIRCRAFT RELEASED FOR SERVSDR 95ZZZW435Tq Ind · malfunctionedPILOT ABORTED TAKEOFF DUE TO RIGHT ENGINE WENT TO 120 PLUS TORQUE. A GROUND RUN WAS PERFORMED WITH THE CTOT SELECTED ON AND OFF. NO DEFECTS WERE NOTED ALL SYSTEMS FUNCTIONAL CHECKED NORMAL. (W)SDR HERA9507Solonoid Wire · shortedFLT 1124 - AIR RETURN ENA - THE NR 1 ENGINE HAD TO BE SHUT DOWN AND SECURED DUE TO LOSS OF TORQUE AND PROPELLER RPM. THE AIRCRAFT LANDED ENA WITHOUT INCIDENT. THE BETA BACKUP AND AUTOFEATHER SYSTEMS WERE DEFERRED AND THE AIRCRAFT WAS REPOSITIONED TO ANC ON ASDR RAIA950316Signal Cond · out of adjustSTL - FLT 7088 - THE LT ENGINE ONLY ACHIEVED 82 PERCENT TORQUE. MAINTENANCE ADJUSTED TORQUE SIGNAL CONDITIONER FOR LT ENGINE. GROUND POWER RUNS REVEALED NORMAL OPERATION. (W)SDR VTZA95099Torque Ring Conn · dirtyCLE/IAD - FLT 6548 - DURING TAKEOFF AT 0630 HOURS ON 3-6-95, ABORTED THE TAKEOFF DUE TO THE LT ENGINE TORQUE FLUCTUATING. AIRCRAFT RETURNED TO GATE WITH NO FURTHER INCIDENTS. MAINTENANCE CLEANED THE TORQUE RING CANNON PLUG AT THE GEAR CASE. AIRCRAFT WAS RELSDR RAIA950304Tq Temp Limiter · intermitLAX - FLT 4706 - IN FLIGHT NR 2 ENG EGT AND TORQUE FLUCTUATES. MAINTENANCE DETERMINED TORQUE/TEMP LIMITER CAUSING FAULT. SYSTEM DEFERRED PER J32 MEL. (W)SDR RAIA950303Sensor · inopMEM - FLT 7146 - ON CLIMB, THE NR 1 ENGINE WOULD NOT MAKE TORQUE. MAINTENANCE REPLACED THE LT ENG OIL IMMERSED THERMAL SENSOR. (W)SDR HEEA954470Torquemeter · stickingNEEDLE STICKING IN ALL RANGES. TIME SINCE REPAIR 0:00.SDR 95ZZZW201Sig Conditioner · malfunctionedBNA - FLT 4686 - PILOT RT ENGINE FAILED TO RESPOND TO POWER LEVER MOVEMENTS. RT ENGINE WAS SHUTDOWN, AC RETURNED TO BNA AND LANDED WITHOUT INCIDENT. FOUND TORQUE INDICATOR CIRCUIT BREAKER TRIPPED. RESET CIRCUIT BREAKER SYSTEM OPERATIONAL CHECKED NORMAL. RESDR RAIA950243Signal Cond · out of adjustSTL - FLT 7086 - THE LT ENGINE TORQUE ONLY MADE 95 PERCENT. MAINTENANCE ADJUSTED LT ENGINE TORQUE SIGNAL CONDITIONER. GROUND RUNS REVEALED NORMAL OPERATION. (W)SDR 95ZZZX1395Torque Sign Cond · dirtyLGA/IAD - FLT 6322 - DURING CRUISE AT 910 HOURS ON 2-15-95, RT WING BOOT NR 2 SECTION WILL NOT INFLATE, AND RT TORQUE FLUCTUATED 10 PERCENT. AIRCRAFT DIVERTED TO SWF WITH NO FURTHER INCIDENTS. MAINTENANCE REPLACED LEADING EDGE ASSEMBLY AND CLEANED THE RT ENGSDR RAIA950217Sensor · failedSTL - FLT 7484 - POWER LEVER SPLIT. MAINTENANCE REPLACED RT ENGINE T1.8 SENSOR. GROUND POWER RUNS REVEALED NORMAL OPERATION. (Z)SDR SWIA95520Sig Cond · malfunctionedABORTED TAKEOFF. FLIGHT 242 LAX. TORQUE ON RIGHT ENGINE WENT TO 107 PERCENT AND NP DROPPED TO 17.1 PERCENT ON APPLICATION OF TAKEOFF POWER. REPLACED RIGHT TORQUE SIGNAL CONDITIONER. GROUND RUN AND OPS CKS GOOD. SEE FL 75611 FOR MECH SIGN OFF.SDR WTAA950073BConnector · contaminatedLMT - RT ENGINE TORQUE INDICATION DROPPED TO 60 PERCENT DURING TAKEOFF ROLL. TAKEOFF ABORTED WITHOUT INCIDENT. DEFERRRED TORQUE AND TEMPERATURE LIMITING (TTL) SYSTEM PER MEL 76-2. AIRCRAFT RETURNED TO SERVICE. MAINTENANCE SUBSEQUENTLY CLEANED AND REINSTALLSDR WTAA950073AConnector · contaminatedLMT - RT ENGINE TORQUE INDICATION DROPPED TO 60 PERCENT DURING TAKEOFF ROLL. TAKEOFF ABORTED WITHOUT INCIDENT. DEFERRED TORQUE AND TEMPERATURE LIMITING (TTL) SYSTEM PER MEL 76-2. AIRCRAFT RETURNED TO SERVICE. MAINTENANCE SUBSEQUENTLY CLEANED AND REINSTALLESDR WTAA950072Tq Indicator · malfunctionedFAT - LT ENGINE TORQUE INDICATION DROPPED FROM 104.5 PERCENT TO 80 PERCENT DURING TAKEOFF ROLL. TAKEOFF ABORTED WITHOUT INCIDENT. MAINTENANCE INSPECTED TORQUE INDICATION SYSTEM AND PERFORMED ENGINE GROUND RUNS. UNABLE TO DUPLICATE DISCREPANCY. NO DEFECTS WSDR 95ZZZX691Hose · leakingPILOT REPORTED SMOKE IN CABIN DURING HEATER OPERATION. TROUBLESHOT SYSTEM, FOUND ENGINE OIL IN HEATER. FOUND OIL LEAKING OUT OF TORQUE PSI LINE. THE OIL SPRAY WAS INJESTED BY HEATER. REPLACE TORQUE PSI LINE AND HEATER SYSTEM, CHECKED OKAY. LINE WAS MFG INSDR VTZA95021Sensor Wire · brokenFLT 6150 - IAD-EWR - ABORTED TAKEOFF DUE TO THE RT ENGINE IEC CAPTION ILLUMINATING ON THE TAKEOFF ROLL. AIRCRAFT RETURNED TO GATE WITH NO FURTHER INCIDENTS. MAINTENACNE REPAIRED A BROKEN WIRE TO THE TT2 SENSOR P/N 6945059010. AIRCRAFT WAS RELEASED AND APPROSDR RAIA950313Signal Cond · out of adjustSTL - FLT 7330 - THE RT ENGINE MADE TARGET TORQUE, BUT GOT AN EGT SPIKE OF 700 DEG. MAINTENANCE ADJUSTED RT ENGINE TORQUE SIGNAL CONDITIONER. GROUND POWER RUNS REVEALED NORMAL OPERATION. (W)SDR WTAA950041Tq Cond Sig · malfunctionedFAT - DURING CLIMB-OUT THROUGH 8,000 FEET, LEFT ENGINE TORQUE INDICATION WENT TO 104.5 PERCENT. TORQUE INDICATION REMAINED AT APPROXIMATELY 104.5 PERCENT AFTER POWER LEVER WAS RETARDED. ALL OTHER ENGINE PARAMETERS REPORTED NORMAL. AIRCRAFT RETURNED TO STATISDR HEEA954176Transmitter · defectivePEGS NEEDLE ON INDICATOR. TRANSMITTER RECEIVED ON AIRCRAFT N5748M ON 12-26-94.SDR 95ZZZW119Tq Indicator · malfunctionedTYS-DCA - FLT 3341 - ON TAKEOFF ROLL, NR 2 TORQUE INDICATOR FLUXED FULL SCALE. THE TAKEOFF WAS ABORTED WITHOUT INCIDENT. CLEANED CANNON PLUG ON TORQUE SENSOR CONTROL UNIT AND TORQUE INDICATOR, RUNUP CHECK GOOD. REMOVED AND REPLACED NR 2 TORQUE INDICATOR IN SDR MEJA9501001Torque Ring · malfunctionedAFTER TAKEOFF IN CLIMB RIGHT ENGINE TORQUE INDICATION BEGAN TO FLUCTUATE PLUS OR MINUS 10 PERCENT. AIRCRAFT RETURNED TO SAT AND LANDED WITHOUT FURTHER INCIDENT. MAINTENANCE TROUBLESHOT DISCREPANCY AND FOUND A DEFECTIVE TORQUE RING. REMOVED AND REPLACED TORQ
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