JASC 7321
Service difficulty reports · 2,878
Reports filed under 7321 · Fuel Control/Turbine Engines, 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 = '7321' 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 = '7321' 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 2001UALA01728Ferrule · leakingAIRCRAFT DIVERTED TO MIA DUE TO IDLE POWER CONDITION FROM NR 1 ENGINE. *S/D* THE CAUSE WAS A FUEL LEAK FROM THE FUEL LINE FROM THE FUEL/OIL COOLER TO THE P&D VALVE. THIS LINE WAS MISSING A FERRULE AT THE P&D VALVE CONNECTION. THIS ENGINE HAD ONLY 370 HRS SDR AUS20010884Mec · faulty(AUS) RT ENGINE MAIN ENGINE CONTROL (MEC) FAULTY.SDR 2001FA0000483Fcu · faultyENGINE WOULD NOT OPERATE NORMALLY IN COMPUTER MODE. ENGINE SPEED WAS NOT BEING REGULATED PROPERLY BY FUEL CONTROL TORQUE MOTOR ENGINE OPERATED NORMALLY IN MANUAL MODE. OVERHAULED FUEL CONTROL WAS INSTALLED AND ENGINE OPERATED NORMALLY IN BOTH COMPUTER AND MANSDR 2001FA0000482Fcu · misrepairedUNIT WAS INSTALLED AFTER REPAIR BY MFG. UPON APPLYING POWER TO THE FUEL CONTROL AIRCRAFT HAD THE LEFT MONOPOLE FAIL LIGHT ILLUMINATED. FOUND THE WIRING AT THE FUEL CONTROL ELECTRICAL CONNECTOR MISSOLDERED, RESOLDERED WIRING AT THE CONNECTOR UNIT OPERATIONALLSDR 2001FA0000481Fcu · faultyENGINE WOULD NOT REDUCE FUEL FLOW IN EITHER COMPUTER MODE OR MANUAL MODE TO ALLOW A NORMAL LANDING. THE AIRCRAFT HAD TO BE LANDED SINGLE ENGINE INSTALLING A REPAIRED FUEL CONTROL UNIT CURED THE FAULT.SDR HALA0100204Mec · failedFLT 938 - INBOUND TO ANC, HAD NR 2 ENGINE QUIT AT 15,000 FT, ATTEMPTED RESTART, NO SUCCESS. DECLARED EMERGENCY. REMOVED AND REPLACED MEC AND FUEL PUMP. TRIM RUN CHECKS OK. (M)SDR DL733011306Mec · failedNR 1 ENGINE FAILED TO REACH TAKEOFF ON TAKEOFF ROLL. TAKEOFF ABORTED AT APPROX 65 KTS. REPLACED ENGINE MEC.SDR SWIA200110082Relay · failedRIGHT ENGINE TORQUE LOSS AT 14,000 FEET. PERFORMED OPS CHECK OF EEC 14,000 FT SWITCH PER MM 73-23-01. NO DEFECTS NOTED. REMOVED AND REPLACED REVERSION RELAY. PERFORMED OPS CHECK GOOD IAW MM 73-23-00. P/N: M83536/6-022SDR 2001UALA01630Relay · failedLEFT ENG DIFFICULT TO SHUTDOWN. DELAYED SHUTDOWN OF LEFT ENGINE AT GATE ARRIVAL. REPLACED FUEL/IGNITION CONTROL RELAY K-D4A019 IN P36 MISC ELECTRICAL EQUIPMENT PANEL.SDR AUS20010839Fuel Control · faulty(AUS) NR 4 ENGINE FUEL FLOW REGULATOR FAULTY. AIRCRAFT IS FOREIGN REGISTRATION DQ-FJE.SDR 2001UALA01461Fmu · defectiveL ENG EPR FLUX APPROX. .02 AT CRUISE. ALL OTHER ENG PARAMETERS FOLLOW FLUCTUATION. AUTOTHROTTLE DISCONNECT NO HELP. SUPPLEMENTAL DATA UPDATE REPLACED FUEL METERING UNIT P/N 808800-1 S/N F32614 AT PART TOTAL TIME 20638. EPR FLUX HAS NOT REOCCURRED TO DATE SDR 2001UALA01452Fcu · out of adjNR 2 ENGINE REPORT POWER FLUCTUATES SYMPTOMS OR PATTERN ALONG WITH FAULT CODES. FRM CODE 73 21 XD RT ENG EPR+EGT FLUCTUATES AFTER POWER CHANGE IN CLRWX COND DURING CLIMB EPR+--. THIS IS CAUSED BY THE FUEL CONTROL (FCU) DECELERATION (DECEL) SCHEDULE BEING TO CSDR 2001UALA01434Fcu · out of adjNR 3 ENGINE REPORT POWER FLUCTUATES SYMPTOMS OR PATTERN ALONG WITH FAULT CODES FRM CODE 7321 XD. RT ENG EPR+EGT FLUCTUATES AFTER PWR CHNG IN CLRWX CON DURING CLIMB EPR+-. CAUSE BY BLEED VALVE CYCLING DUE TO DECELERATION SCHEDULE BEING TO CLOSE TO THE STEADY SSDR 2001UALA01438Fuel Control · out of rigRIGHT THROTTLE AHEAD. THROTTLES NOT ALIGNED WITHIN 1 INCH AT KNOB AT SAME EPR AT ALL POWER SETTINGS. ENGINES OUT OF TRIM AT PART POWER. TRIMMED ENGINES TO PART POWER TRIM CHARTS.SDR AUS20010751Hmu · unserviceable(AUS) RH ENGINE HYDRO MECHANICAL UNIT (HMU) FAULTY.SDR 2001UALA01397Eec · failedRIGHT ENGINE ROLLBACK ON TAKEOFF. PRIMARY ENGINE CONTROL MESSAGE P-EEC, P275-16. REPLACED EEC. CHECKED SENSE LINES, FOUND SECURE. ANOTHER WRITE UP OCCURRED AFTER THE EEC WAS REPLACED FOR ENGINE ROLL BACK AT START. THE LOWER PB WATER TRAP VENT HOLE WAS FOUND CLSDR R7MA33689Fuel Control · wornESCESSIVE SPLINE WEAR.SDR 2001FA0000180Fuel Control · malfunctionedDURING A CLIMB THROUGH FL 290, THE RIGHT ENGINE FAN SPEED DECREASED TO 82 PERCENT. ENGINE IGNITION WAS SELECTED ON TO NO EFFECT. AN EMERGENCY WAS DECLARED AND A SAFE LANDING WAS MADE. SUSPECT THAT THE FUEL CONTROL UNIT MALFUNCTIONED.SDR 2001FA0000248Fuel Control · malfunctionedDURING A CLIMB THROUGH FL 290, THE RIGHT ENGINE FAN SPEED DECREASED TO 82 PERCENT. ENGINE IGNITION WAS SELECTED ON TO NO EFFECT. AND EMERGENCY WAS DECLARED AND A SAFE LANDING WAS MADE. SUSPECT THAT THE FUEL CONTROL UNIT MALFUNCTIONED.SDR AUS20010718Regulator · faulty(AUS) NO2 ENGINE FUEL FLOW REGULATOR FAULTY.SDR ZW0A0104702Eec · failedIN CLIMB THE RT ENG STALLED THEN SHUT ITSELF DOWN. FLIGHT RETURNED TO STL. REPLACED THE EEC STATOR, P/N 430219, AND THE EEC ROTOR, P/N 46038. CHECK-C 6-12-01 LAX.SDR AUS20010720Fcu · faulty(AUS) FUEL CONTROL UNIT FAULTY. INVESTIGATION FOUND THE PY RESTRICTOR PARTIALLY BLOCKED BY SUSPECTED PAINT FLAKES.SDR 2001UALA01199Sense Line · looseABORTED TAKEOFF DUE TO LOSS OF POWER ON RIGHT ENGINE. BURNER SENSE LINE LOOSE.SECURED SENSE LINE.SDR MWEA011000Fuel Control · faultyRIGHT ENGINE SURGE OF EPR & N1 1.80 TO 1.88, 4 PERCENT VARIABLE ON N1 AT ALL POWER SETTINGS. REMOVED AND REPLACED FUEL CONTROL UNIT ON RIGHT ENGINE.SDR HEEA073696Fuel Control · malfunctionedENGINE WOULD HIT 850 DEGREE ON START. ADJUSTING START/DERICH AND START/ACCELERATION TO MINIMUM WOULD NOT BRING THE ENGINE TO AN ACCEPTABLE START TEMPERATURE. IN SHOP FOR REPAIR.SDR DL76S011008Mec · malfunctionedDURING FLIGHT NR 2 ENGINE WOULD NOT RESPOND TO THROTTLE MOVEMENT. ENGINE SHUT DOWN, LANDED SINGLE ENGINE. CHECKED THROTTLE CABLES, ALL SECURE. REMOVED AND REPLACED MECPRE M/M. LEAK AND RUN CHECK GOOD.SDR MALA010537Control Unit · defectiveAFTER TAKEOFF IN DTW, FLIGHT 3250, RT PROP RPM DROPPED TO ZERO. RESET C/B R6 RIGHT PROP SPEED, NEEDLE FLUCTUATED BUT REMAINED AT ZERO. AFTER APPROXIMATELY 10 MINUTES, RIGHT PROP SPEED RETURNED TO NORMAL, BUT INTERMITTENTLY DROPPED TO ZERO AND BACK AGAIN TO NSDR HEED073497Fuel Control · malfunctionedN2 LAGS CREATING A 20 PERCENT TORQUE SPLIT. REPLACED UNIT.SDR REXA01009Ecu · faultyON SEVEN MILE FINAL INTO MEMPHIS, THE LEFT ENGINE WENT INTO AUTOCOURSEN. TORQUE INDICATION WENT TO ZERO, BUT ALL OTHER INDICATIONS WERE NORMAL. THE FLIGHT CREW FOLLOWED THE EMERGENCY CHECKLIST AND SHUTDOWN THE ENGINE. MAINTENANCE REPLACED THE DIGITAL ELECTRSDR EHA2001F00001Fuel Control · failedON INITIAL START IN AFCU POSITION, RUN-UP AND SUBSEQUENT THROTTLE BACK TO FLT IDLE. NR 2 ENG N1 WAS OBSERVED 49 PER CENT. WHEN THROTTLE WAS ADVANCED, 100 PER CENT NR 2 WAS ACHIEVED PRIOR TO REACHING HIGH SIDE STOP ON THROTTLE TWIST GRIP (LINEAR ACTUATOR WAS SDR SIMA200115616Connector · disconnectedHPN - FLT 4583 - AIRCRAFT ABORTED TAKEOFF FOR LOSS OF LEFT TORQUE INDICATION. RESECURED CANNON PLUG ON DECU. INSPECTED AND RESECURED CANNON PLUG ON TORQUE AND OVERSPEED SENSOR IAW AMM. OPS CHECK GOOD. (M)SDR GLBA2001116Fcu · malfunctionedLEFT ENGINE TORQUE AND FUEL FLUX. REPLACED FUEL CONTROL, OPS CHECKED SATISFACTORY.SDR CHQA200138531Ecu · malfunctionedLEFT ENG LOSS OF PROP RPM. A/C RETURNED TO FIELD. MAINTENANCE REMOVED AND REPLACED ECU.SDR AUS20010541Hmu · faulty(AUS) HYDROMECHANICAL UNIT (HMU) SUSPECT FAULTY. WORKSHOP INVESTIGATION AND TESTING COULD FIND NO FAULTS.SDR DL757010841Eec · malfunctionedALL RT ENG INSTRUMENTS FLUCTUATED DURING INITIAL CLIMB OUT. AT 10K LEVEL OFF (250K) IND STABILIZED BUT RESUMED FLUX ON SUBSEQUENT CLIMB TO 14K. RETURNED TO SLC. NOTICED BIRD PASS BY RT SIDE ON INITIAL CLIMB. RAN ENGS PER PFHB, NOTICED FLUX ON EPR, N1 AND ESDR CA010629025Fuel Control · failed(CAN) WHEN TRYING TO START ENGINE, THE ENGINE WOULD NOT ACCELERATE ABOVE APPROXIMATELY 35-39 PERCENT THE FUEL CONTROL UNIT WAS REPLACED, AND THE AIRCRAFT WAS RETURNED TO SERVICESDR AUS20010526Regulator · faulty(AUS) NR 3 ENGINE FUEL FLOW REGULATOR (FFR) FAULTY.SDR ERA2001F00000Fuel Control · malfunctionedLEFT ENGINE SHUTDOWN IN CRUISE DUE TO POWER DROPPING OFF, POWER LEVER ADVANCE HAD NO EFFECT. MADE UNEVENTFUL LANDING ANC. REPLACED NR 1 ENGINE FUEL CONTROL UNIT. GROUND OPERATIONAL CHECK GOOD. (M)SDR 20010613CW021Bearing · failedAIRCRAFT IN CRUISE FLIGHT. PILOT NOTICED THAT THE MAIN ROTOR NR 2 STARTED TO OVER-SPEED. PILOT LANDED AIRCRAFT SAFELY UNDER ITS OWN POWER. AFTER INVESTIGATING CAUSE, IT WAS FOUND THAT THE ENGINE FUEL CONTROL SHAFT BEARING HAD FAILED CAUSING FUEL CONTROL TO SDR 20010604CW013Bearing · failedAIRCRAFT IN CRUISE FLIGHT. PILOT NOTICED THAT THE MAIN ROTOR NR 2 STARTED TO OVER SPEED. PILOT LANDED AIRCRAFT SAFELY UNDER ITS OWN POWER. AFTER INVESTIGATION CAUSE, IT WAS FOUND THAT THE ENGINE FUEL CONTROL SHAFT BEARING HAD FAILED CAUSING FUEL CONTROL TO SDR 2001F00056Eec · faultyDFW - FLT 3503 - WHILE IN CILMB-OUT FROM DFW, THE NR 2 PROPELLER SINGLE CHANNEL PE FAULT LIGHT ILLUMINATED WITH AN ASSOCIATED TORQUE SURGE. THE AIRCRAFT WAS RETURNED TO DFW DUE TO CONTINUOUS SURGING FROM THE PROPELLER. THE AIRCRAFT WAS RETURNED WITH NO FURTHSDR SWIA972563Eec · failedNR 2 EEC FAILED ON TAKEOFF. ABORTED THE TAKEOFF. PERFORMED RIGHT ENGINE RUNS, EEC FAILED ON GROUND. OHMED EEC SYSTEM. FOUND HMU WIPER BAD. REPLACED RIGHT ENGINE HMU IAW EMB120 MM 73-21-00. PERFORMED RIGHT ENGINE RUNS. NO FURTHER DISCREPANCIES ON GROUND.SDR AALA20011101Fuel Control · defectiveLAX - FLT 207 - EN ROUTE MIA-LAX, RIGHT ENGINE STAGNATION AT 35,000 FT FUEL FLOW 1.5 TO 1.7 MAX EGT 400. UNABLE TO CONTROL EPR OR FUEL FLOW WITH THROTTLE MOVEMENT. LANDED LAX WITHOUT INCIDENT. REPLACED RIGHT ENGINE FUEL FLOW GOVERNOR. SYSTEM GROUND CHECKEDSDR AALA016049O-Ring · cutAIRCRAFT GROUND INTERRUPTED AND SHUTDOWN NR 1 ENGINE WITH A LEAK REPORTED BY ANOTHER AIRCRAFT. FOUND FUEL LEAK BETWEEN FUEL CONTROL AND ENGINE FUEL PUMP. PLAN TO REPLACE FUEL CONTROL AND ENGINE FUEL PUMP OR SEALS AS REQUIRED. FOUND CUT O-RINGS ON FUEL CONTRSDR C2XA01IA236Fcu · failedIAH - FLIGHT 3838, THE CREW REPORTED THAT ON TAKEOFF ROLL, A NUMBER ONE ENGINE CONTROL B FAIL, AND CONTROL A DEGRADE MESSAGE APPEARED. THE CREW ABORTED TAKEOFF AND RETURNED TO THE GATE WITHOUT INCIDENT. MAINTENANCE REMOVED AND REPLACED THE NUMBER 1A FADEC, ASDR PNSA010504Fcu · failedRT ENGINE WOULD NOT DEVELOP TORQUE DURING TAKEOFF RUN. ABORTED TAKEOFF. RETURNED FOR MAINTENANCE. REPLACED FUEL CONTROL.SDR SWIA972542Probe · failedRIGHT EEC FAILED ON TAKEOFF ROLL. CLEANED CANNON PLUGS. REMOVED AND REPLACED NH PROBE IAW EMB MM 77-12-00. OPS CHECK GOOD. P/N: 3039242, S/N ON: CH12555, S/N OFF: CH17516.SDR SWIA972538Fuel Control · malfunctionedRIGHT ENGINE HAD TORQUE FLUCTUATIONS ON TAKEOFF ROLL. OPERATED RT ENGINE AND LT ENGINE. TRIMMED RT ENGINE AS NECESSARY. NO FURTHER DEFECTS NOTED. OPS CHECK GOOD.SDR CA010629019Fuel Control · failed(CAN) RT POWER LEVER IS VERY DIFFICULT TO SCHEDULE SUBTLE POWER CHANGES. IE. WHEN ATTEPTING TO SELECT A CHANGE OF 100 FT/LBS RESULTING TORQUE CHANGE COULD BE AS MUCH AS 400FT/LBS. THIS RESULTS IN AN OSCILLATION OF POWER LEVER MOVEMENT TO GET DESIRED POWER OUTPSDR 2001UALA00594Eec · out of toleranceON T/O, WHEN ENGAGING AT UPON THRUST APPLICATION, LT ENG LAGGED BEHIND RT, ADDED THROTTLE MANUALLY, EVENTUALLY ALL THE WAY TO STOP EPR WAS PEGGED 1.395 (1.444=REDUCED TO) WITH RT ENG. AT 1.44. ENGS NORMAL OPS AT SETTING OF CLIMB. REPLACED ELECTRONIC ENGINE C
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