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 COM20384Tq Indicator · defectiveRIGHT ENGINE DOES NOT ACHIEVE REQUIRED TORQUE FOR TAKEOFF. REPLACED RIGHT TORQUE INDICATOR GAUGE.SDR RAIA950737Tq Signal Cond · out of adjustSTL - FLT 7510 - THE NR 2 ENGINE WOULD NOT MAKE TARGET TORQUE. RECALIBRATED TORQUE SIGNAL CONDITIONER. (W)SDR 95ZZZM565Connector · dirtyFLT NR 4145 - AFTER DEPARTURE, RIGHT ENGINE HAD LARGE FLUCTUATIONS IN RPM, EGT AND TORQUE. REDUCED POWER AND ENGINE STABILIZED, RETURNED TO FIELD. CLEANED CANNON PLUGS ON RIGHT ENGINE TORQUE SIGNAL CONDITIONER. GROUND RUN AND OPERATIONAL CHECK OF ENGINE GOOSDR SWIA95609Tq Indicator · malfunctionedRT ENGINE TORQUE STICKS AT 20 PERCENT. REMOVED AND REPLACED RT TORQUE GAUGE, OPS CKS GOOD.SDR VTZA95233Tq Signal Cond · out of adjustFLT NR 6565 - IAD-GSO - DURING TAKEOFF, ABORTED THE TAKEOFF DUE TO THE LEFT ENGINE NOT MAKING TAKEOFF TORQUE. AIRCRAFT RETURNED TO GATE WITH NO FURTHER INCIDENTS. MAINTENANCE RECALIBRATED THE TORQUE SIGNAL CONDITIONER. AIRCRAFT WAS RELEASED AND APPROVED FORSDR RAIA950733Strain Gauge · failedSTL - FLT 7366 - THE NR 1 SURGING AND TORQUE INDICATOR PEGGGED. REPLACED NR 1 ENG STRAIN GAUGE. (W)SDR 95ZZZM566Torque Ind · fluctuationFLT NR 4101 - ON CLIMB-OUT RIGHT ENGINE EXPERIENCED AN EGT AND TORQUE FLUCTUATION WITH SRL COMPUTER DEFERRED. RETURNED TO PIT, CONDUCTED GROUND RUNS ON ENGINE IAW MM 71-00-00. OPERATIONAL CHECK GOOD. UNABLE TO DUPLICATE DISCREPANCY. AIRCRAFT RETURNED TO SESDR 95ZZZX6280Tq Sensor · defectiveFLT 4228 - FLIGHT CREW REJECTED TAKEOFF AFTER NOTICING A TORQUE FLUX RT ENGINE. AIRCRAFT RETURNED TO GATE WITHOUT FURTHER INCIDENT. AIRCRAFT LATER FERRIED TO PIT WHERE MAINTENANCE REMOVED AND REPLACED RT ENGINE TORQUE SENSOR IAW MM 77-11-00. OPS CHECKED GOOSDR 95ZZZX5889Tq Gauge · malfunctionedIMT - THE CREW ELECTED AN AIR TURN BACK AFTER THE LT ENGINE TORQUE GAUGE WENT TO ZERO ON BOTH ANALOG AND DIGITAL. AN UNEVENTFUL LANDING WAS ACCOMPLISHED AFTER WHICH MAINTENANCE SWAPPED TORQUE PROBES LT TO RT. ON A TEST RUN-UP, THE SYSTEM FUNCTIONED NORMALLY.SDR 95ZZZM250Sensor · malfunctionFLT 3409 - FLL-TPA - WHILE ATTEMPTING TO SET TAKEOFF POWER, NR 1 ENGINE TORQUE DID NOT COME UP AND PROPELLER WENT INTO FEATHER. THE CREW ABORTED THE TAKEOFF AND RETURNED TO THE GATE WITHOUT INCIDENT. REMOVED AND REPLACED THE NR 1 TORQUE SENSOR ELECTRONIC CONSDR 95ZZZM249Tseu · malfunctionFLT 3409 - FLL-TPA - WHILE ATTEMPTING TO SET TAKEOFF POWER, NR 1 ENGINE TORQUE DID NOT COME UP AND PROPELLER WENT INTO FEATHER. THE CREW ABORTED THE TAKEOFF AND RETURNED TO THE GATE WITHOUT INCIDENT. REMOVED AND REPLACED THE NR 1 TORQUE SENSOR ELECTRONIC CONSDR VTZA95226Tq Signal Cond · out of adjustFLT 6247 - IAD-BGM - ABORTED TAKEOFF DUE TO THE LEFT ENGINE NOT MAKING TAKEOFF TORQUE. AIRCRAFT RETURNED TO GATE WITH NO FURTHER INCIDENTS. MAINTENANCE RECALIBRATED THE TORQUE SIGNAL CONDITIONER. AIRCRAFT WAS RELEASED AND APPROVED FOR RETURN TO SERVICE. (MSDR WTAA950231Tq Signal Cond · out of adjustSEA - LEFT ENGINE FAILED TO OBTAIN REQUIRED TAKEOFF TORQUE. TAKEOFF ABORTED WITHOUT INCIDENT. MAINTENANCE ADJUSTED LEFT ENGINE TORQUE SIGNAL CONDITIONER. ENGINE OBTAINS TARGET TORQUE DURING GROUND RUN. AIRCRAFT RETURNED TO SERVICE. (M)SDR RAIA950708Tq Signal Cond · out of adjustCMI - FLT 7439 - THE LT ENGINE WILL NOT MAKE TORQUE. MAINTENANCE ADJUSTED LT ENGINE TORQUE SIGNAL CONDITIONER AS PER GARRETT DSC SETTING. GROUND POWER RUNS REVEALED NORMAL OPERATION. (W)SDR RAIA950703Tq Signal Cond · out of adjustSTL - FLT 7096 - RT ENGINE WOULD NOT MAKE TARGET TORQUE, WOULD ONLY PULL 99 PERCENT RPM. MAINTENANCE ADJUSTED RT ENGINE TORQUE SIGNAL CONDITIONER TO GARRETT DSC SETTING AND PROPELLER GOVERNOR LOW STOP. GROUND RUNS OK. (X)SDR HEEA955304Indicator · mis markedTORQUE IND. WORKS WELL, BUT RANGE MARKING OFF AS PER FLIGHT MANUAL. REPLACED WITH SERVICEABLE TORQUE IND.SDR HEEA955303Indicator · defectiveTORQUE INDICATOR READING 4% LOW. GIVING INDICATION OF HIGH TOT ON POWER CHECK. REPLACED WITH SERVICEABLE TORQUE IND.SDR VTZA95215Tq Sig Cond · out of calibIAD/EWR - FLT 6435 - ABORTED TAKEOFF DUE TO THE LEFT ENGINE ONLY MAKING 92 PERCENT TORQUE. AIRCRAFT RETURNED TO GATE WITH NO FURTHER INCIDENTS. MAINTENANCE RECALIBRATED THE TORQUE SIGNAL CONDITIONER. AIRCRAFT WAS RELEASED AND APPROVED FOR RETURN TO SERVICE.SDR RAIA950645Ttl · faultyRIGHT ENGINE BYPASS AT 80 PERCENT TORQUE. AFTER CREW PERFORMED STATIC GROUND RUNS, DETERMINED RIGHT TTL CAUSING ENGINE BYPASS. DEFERRED RT TTL PER MEL76-2, CAT. C. (X)SDR 95ZZZX5064Indicator · defectiveNR 1 NEEDLE LAGS NR 2 NEEDLE AFTER 40 PERCENT RPM ATTAINED.SDR RAIA950642Tq Signal Cond · out of adjustSTL- FLT 7446 - LEFT ENGINE LOW TORQUE, WITH TTL ON AT 80 PERCENT. MAITNENANCE ADJUSTED LEFT ENGINE TORQUE SIGNAL CONDITIONER. GROUND POWER RUNS REVEALED NORMAL OPERATION. (X)SDR 95ZZZM286Tq Sig Cond Unit · failedFLT NR 7538 - ON DEPARTURE OUT OF DEN AT 200 FEET AGL THE RT ENGINE AUTOFEATHERED UNCOMMANDED, POWER WAS PULLED BACK ON THE RT ENGINE, AND THE SHUTDOWN AND SECURED THE CREW THEN RETURNED TO DEN. THE FDR DATA WAS DOWN LOADED BY MX PERSONNEL AND SENT TO PWA PERSDR 95ZZZX5731Control · defectiveOCCASIONAL RUNS IN 102 PERCENT MODE WITHOUT EXPLANATION. REMOVED AND REPLACED.SDR RAIA950639Tq Signal Cond · out of adjustSTL - FLT 7061 - RT ENGINE TORQUE LOW. ADJUSTED RT ENGINE, SIGNAL CONDITIONER SETTING PER GARRETT DSC. POWER RUNS REVEALED NORMAL OPERATION. (X)SDR 95ZZZX3400Connector · contaminatedAIRCRAFT RETURNED TO FIELD DUE TO RIGHT ENGINE TORQUE FLUCTUATION. THE SYSTEM WAS TROUBLESHOT AND THE TORQUE STRAIN GAUGE CANNON PLUG WAS FOUND CONTAMINATED. THE CANNON PLUG WAS CLEANED AND A FUNCTIONAL CHECK OF THE SYSTEM PERFORMED WITH ALL INDICATIONS NORSDR VTZA95206Tq Signal Cond · out of adjustFLT NR 6377 - IAD-CRW - ABORTED TAKEOFF, DUE TO A TORQUE SIGNAL SPLIT. AIRCRAFT RETURNED TO GATE WITH NO FURTHER INCIDENTS. MAINTENANCE CALIBRATED BOTH TORQUE SIGNAL CONDITIONERS. AIRCRAFT WAS RELEASED AND APPROVED FOR RETURN TO SERVICE. (M)SDR RAIA950623Tq Signal Cond · out of adjustSTL- FLT 7513 - BOTH ENGINES FAILED TO ACHIEVE TARGET TORQUE. MAINTENANCE ADJUSTED TORQUE SIGNAL CONDITIONERS. GROUND RUNS REVEALED NORMAL OPERATION. (X)SDR RAIA950615Ttl · failedSAN - FLT 4747 - RT ENGINE COULD NOT MAKE TARGET TORQUE. MAINTENANCE DEFERRED RT TORQUE TEMP LIMITER AS PER MEL. (M)SDR SIMA951642Tq Sensor · malfunctionedDFW - FLT 3805 - AIR TURN BACK, NR 2 ENGINE TORQUE SURGED WHILE LEVEL AT 4000 FEET ON DEPARTURE. REMOVED AND INSPECTED NR 2 ENGINE TORQUE SENSOR AND INTERTURBINE BLEED VALVE. COMPLIED WITH OVER TORQUE INSPECTION. GROUND OPS CHECK GOOD. AIRCRAFT WAS RETURNEDSDR HEEA955173Transmitter · wont calibTRANSMITTER WILL NOT CALIBRATE AND NEEDLE DROPS TO ZERO.SDR SIMA951631Ctot Panel · malfunctionedLAW - FLT 3804 - ON TAKEOFF, POWER WAS MANUALLY SET AT APPROXIMATELY 85 PERCENT WHEN CTOT WAS ENGAGED FOR A MAX POWER TAKEOFF LEFT TQ 120 PLUS DEGREES, ABORTED TAKEOFF, RETURNED TO GATE. TORQUE NOT EXCEEDED 12 SEC TRANS IAW GE MM 72-00-00. REMOVED AND INSPECSDR 95ZZZX5295Transducer · failedTRANSDUCER FAILED. CONTINUOUS ROTATING INDICATION. REPLACED WITH NEW UNIT(S) CORRECTED PROBLEM.SDR WTAA950209Torque Ring · malfunctionedFAT - LEFT ENGINE TORQUE FLUCTUATION REPORTED DURING TAKEOFF ROLL. TAKEOFF ABORTED WITHOUT INCIDENT. ENGINE GROUND RUN-UP ACCOMPLISHED AFTER ABORTED TAKEOFF. UNABLE TO DUPLICATE DISCREPANCY. SUBSEQUENT TAKEOFF ATTEMPT ABORTED WITHOUT INCIDENT DUE TO SAME DSDR WTAA950205Torque Ring · shortedSFO - LEFT ENGINE TORQUE GAUGE INDICATION FLUCTUATED PLUS AND MINUS 10 PERCENT DURING CLIMB-OUT. AIRCRAFT RETURNED TO STATION WITHOUT INCIDENT. MAINTENANCE SWAPPED TO 'BRIDGE 1' ON ENGINE TORQUE RING. TORQUE INDICATIONS NORMAL DURING ENGINE GROUND RUN. AIRSDR 95ZZZX5904Indicator · spinsTORQUEMETER INDICATOR SPINS. REPLACED WITH NEW UNIT(S) CORRECTED PROBLEM.SDR COM11911Tq Cond Unit · defectiveLT PROPELLER AUTO FEATHER WILL NOT TEST. REPLACED THE TORQUE SIGNAL CONDITIONER.SDR COM31091Ctot Syst · malfunctionedWITH CTOT ENGAGED, THE RT ENGINE TORQUE ADVANCED TO 120 PERCENT. PLACED CTOT SYSTEM ON DEFERRED MAINTENANCE LIST AND AIRCRAFT CONTINUED SERVICE.SDR RAIA950517Tq Signal Cond · out of adjustSTL - FLT 7420 - THE LT COULD NOT MAKE TARGET TORQUE. MAINTENANCE CALIBRATED LT TORQUE SIGNAL CONDITIONER AND ADJUSTED LT EGT TO GARRETT DSC SETTINGS. GROUND RUNS REVEALED NORMAL OPERATION. (Z)SDR RAIA950516Tq Signal Cond · out of adjustSTL - FLT 7050 - LT AND RT ENGINES DID NOT MAKE TARGET TORQUE. MAINTENANCE ADJUSTED LT AND RT ENGINE TORQUE SIGNAL CONDITIONERS PER DSC SETTING. GROUND RUNS REVEALED NORMAL OPERATION AND ALL ENGINE PARAMETERS NORMAL. (Z)SDR HEEA955050Indicator · defective#1 NEEDLE CHATTERS AND RATCHETY.SDR VTZA95177Signal Cond · out of limitsFLT 6258 - IAD-ALB - ABORTED THE TAKEOFF DUE TO THE RT ENGINE HAVING LOW TORQUE. AIRCRAFT RETURNED TO GATE WITH NO FURTHER INCIDENTS. MAINTENANCE SWAPPED TO BRIDGE NR 2 AND RECALIBRATED PER CURRENT DSC SHEET. PERFORMED ENGINE RUNS AND ALL PARAMETERS WITHIN SDR 95ZZZM182Tq Signal Cond · out of adjustFLT 4062 - CREW ELECTED TO ABORT TAKEOFF WHEN LEFT ENGINE FAILED TO ACHEIVE TARGET TAKEOFF TORQUE. AIRCRAFT RETURNED TO GATE WITHOUT FURTHER INCIDENT. MAINTENANCE PERSONNEL ADJUSTED LEFT ENGINE TORQUE SIGNAL CONDITIONER IAW MM 72-00-00, CONDUCTED ENGINE GROUSDR RAIA950509Tq Signal Cond · out of calSTL - FLT 7094 - LEFT TORQUE DROPPED FROM 75 PERCENT TO ZERO, ALL OTHER ENGINE PARAMETERS NORMAL. MAINTENANCE SWAPPED BRIDGES ON LEFT TORQUE SIGNAL CONDITIONER, AND CALIBRATED. GROUND RUNS REVEALED NORMAL OPERATION. (W)SDR RAIA950507Connector · moistureSTL - FLT 7341 - LEFT ENGINE LOST POWER, TORQUE DROPPED TO 50 PERCENT. MAINTENANCE CLEANED AND RESEATED LEFT FUEL BY-PASS VALVE CONNECTOR. PERFORMED GROUND RUNS ON SRL AND TTL SYSTEM ON LEFT SIDE ALL ENGINE PARAMETERS NORMAL. (M)SDR HEEA954964Indicator · defectiveINDICATOR LIGHTS TOO DIM.SDR 95ZZZW755Tq Sig Cond · out of adjustPILOT RETURNED TO FIELD FOR RIGHT ENGINE APPEARING SHY OF TORQUE. THE ENGINE WAS INSPECTED. THE SIGNAL CONDITIONER CALIBRATION CHECKED. ENGINE GROUND RUN WITH ALL INDICATIONS NORMAL. (W)SDR RAIA950503Tq Signal Cond · out of calSTL - FLT 7400 - LEFT ENGINE NOT MAKING TORQUE. MAINTENANCE ADJUSTED RT TAKEOFF RPM AND RECALIBRATED LEFT TORQUE SIGNAL CONDITIONER. GROUND RUNS REVEALED NORMAL OPERATION. (W)SDR SWIA95572Torque Sensor · malfunctionedRIGHT ENGINE TORQUE GAUGE INOPERATIVE. FLUCTUATES. REPLACED THE RIGHT TORQUE SIGNAL CONDITIONER. CLEANED AND SECURED CONNECTORS. OPERATIONALLY CHECKS GOOD.SDR HEEA954901Transmitter · failed#1 ENGINE TORQUE INDICATION READS ZERO ON GAUGE.SDR 95ZZZX2934Torque Gauge · fluctuatesTORQUE GAUGE FLUCTUATES IN-FLIGHT. REMOVED AND REPLACED GAUGE, PART SENT IN FOR REPAIR.
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