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 CA030618008Bypass Valve · intermittent(CAN) ON TAKE OFF, BOTH ENGS PRODUCED NORM TAKE OFF PWR AT 400 FT AGL, CAPT CALLED FOR CLIMB PWR, RT ENG POWER REDUCED TO 30 PERCENT TORQUE. A/C RETURNED TO LAND WITH RT ENG SHUTDOWN & RT PROP FEATHERED. MAINT RECEIVED A/C WITH RT PROP FEATHERED. PROP WASDR QXEA200300747Connector · dirtySEA-ON FLIGHT NUMBER 2124, NR 1 ENGINE MANUAL CAUTION LIGHT ILLUMINATED. ECU MODE SELECTOR CYCLED PER EMERGENCY CHECKLIST. INSPECTED AND CLEANED CANNON PLUGS ON NR 1 ENGINE ECU. PERFORMED RESET OF BETA LOCKOUT SYSTEM. LIGHT EXTINGUSHING. PERFORMED POWER ASSURASDR AALA20030649Fuel Control · malfunctionedLAX - FLT 237 - EN ROUTE LAX-SJD, DURING CLIMB-OUT, LEFT START VALVE OPEN LIGHT ILLUMINATED. CREW PREPARED TO SHUT DOWN ENGINE WHEN LEFT ENGINE FLAMED OUT. RETURNED LAX AND LANDED WITHOUT INCIDENT. REPLACED LEFT ENGINE FUEL CONTROL AND ENGINE FUEL PUMP. ACSDR HEEA087235Fuel Control · damagedMAX STOP ON FUEL CONTROL IS BENT OR CROSS THREADED. SHOP REPAIR.SDR HEEA087121Fuel Control · malfunctionedANTICIPATOR ROUGH, CAUSING TRIM MOTOR SLOW RESPONSE.SDR MEX2003219Fuel Control · contaminatedFLT 162 - MEX-CUL - AIRCRAFT RETURNED TO GATE, DURING TAKEOFF POWER, NR 1 ENGINE HAD A DELAY 15 OF SECONDS TO REACH 1.4 EPR. FCU WATER TRAMP WAS DRAINED AND CLEANED IAW MM 71-00-00, ALL CORRECT. (M)SDR CA030610010Fuel Control · inoperative(CAN) UPON PERFORMING A GROUND RUN FOR AN ENGINE REPLACEMENT AND UPON THE APPLICATION OF FULL POWER THE ENGINE RESPONSE WAS GOOD, BUT IN ATTEMPT TO DECREASE ENGINE POWER THE ENGINE WOULD NOT RESPOND TO THROTTLE INPUTS. IT WAS APPROXIMATELY 30 SECOND TO A MINUTSDR CA030605015Fuel Control · inoperative(CAN) WHEN TESTING MANUAL MODE (COMPUTER OFF) THERE WAS NO ENGINE POWER RESPONSE TO POWER LEVER INPUTS. FCU REPLACED, PROBLEM SOLVED.SDR CALA0300265Hmu · failedTHE NR 2 ENGINE AUTO SHUTDOWN WHILE AT 6,000 FEET ON APPROACH TO IAH. THE AIRCRAFT LANDED WITHOUT INCIDENT. BITE TESTS ON THE HMU AND EEC INDICATED THAT BOTH NEEDED TO BE CHANGED. THE NR 2 ENGINE HMU AND NR 2 ENGINE EEC WERE REMOVED AND REPLACED. SUPPLEMENSDR CA030926006Cap · fractured(CAN) FUEL DRIPPED FROM THE AFCU AND ENTERED THE CABIN OF THE AIRCRAFT. POST FLIGHT TROUBLESHOOTING IDENTIFIED A MAJOR LEAK FROM THE ALUMINUM CAP PLUG ON THE SIDE OF THE AFCU. EXAMINATION HAS IDENTIFED THAT THE FRACTURE IS DUE TO LCF. THE EXACT TOTAL TIME OF TSDR CA030530010Fuel Control · failed(CAN) NO FUEL COMING OUT THE FUEL CONTROL UNIT. IT HAPPENED ON THE FIRST START ATTEMPT, IN THE MORNING. INTERNAL FAILURE OF FCU SUSPECTED, SINCE ALL FUEL LINES HAVE BEEN BLED FROM AIR. PREVIOUS FLIGHTS HAD NOT REVEALED ANY FLUCTUATIONS OR PARAMETERS PROBLEMS. SDR CA030521003Fuel Control · malfunctioned(CAN) UPON STARTING OF ENG RPM WHICH SHOULD HAVE STABILIZED AT 70 PERCENT AT IDLE CONTINUED TO ACCELLERATE TO APPROXEMATLY 90-94 PERCENT BEFORE IT STABILIZED. ATTEMPTS TO REDUCE RPM USING ENG CONTROLS WERE UNSUCCESSFUL. ABOUT 30-40 SECONDS AFTER STABILIZING ATSDR ERAA087086Fuel Control · surgesENGINE SURGES AT HIGH POWER SETTINGS. REPAIRED AND TESTED IAW MFG OHM FORM 15-602E.SDR C8GA20030013Fuel Control · out of adjustFLIGHT 717 FROM ELP TO STL. THE NR 2 ENGINE WOULD NOT ACHIEVE TAKE-OFF POWER. TAKE-OFF WAS STOPPED, AIRSPEED HAD NOT COME OFF "PEG" AT THE TIME TAKE-OFF WAS STOPPED AND ONLY MINIMAL BRAKES WERE USED. AIRCRAFT RETURNED TO BLOCKS WITHOUT INCIDENT. PERFORMED ENGISDR MEX2003211Fuel Control · contaminatedFLT 6427 - LAS-MTY - DURING TAKEOFF, ENGINE NR 2 TEMP GOT 603 C OF EGT. TEMPERATURE WAS DECREASED TO 595 DEGREES CELSIUS. FCU WATER TRAMPS WERE DRAINED AND BOTH ENGINES WERE TRIMMED IAW MM 71-00-00. DURING OVERNIGHT SERVICE, TRIM TO BOTH ENGINES WERE PERFORSDR CA030527009Shaft · sheared(CAN) ONE MINUTE AFTER TAKEOFF DURING A FLIGHT TEST FOR COMPRESSOR STALL, THE NR 2 ENGINE OVER SPEED. THE AIRCRAFT FLEW BACK TO BASE IMMEDIATELY WITH NO FURTHER INCIDENT. THE ENGINE WAS REMOVED FROM THE AIRCRAFT. WHEN THE FCU WAS REMOVED IT WAS NOTICED THAT THSDR 2003F00394Fuel Control · contaminatedAFTER NR 1 ENGINE FLAMEOUT ON APPROACH, FUEL CONTROL WAS REPLACED AND AIRCRAFT RETURNED TO SERVICE. CONTROL FOUND TO CONTAIN METAL CONTAMINATION. AFTER EVALUATION/DETERMINATION THAT ENGINE-DRIVEN FUEL PUMP WAS SOURCE OF CONTAMINATION,THE ENGINE-DRIVEN FUEL PUSDR CA030425002Fuel Control · failed(CAN) DURING CRUISE FLT CREW NOTICED RT ENGINE EGT, TORQUE & FUEL FLOW STARTING TO SURGE AS WELL AS NOTICING A CORRESPONDING INCREASE, DECREASE IN ENGINE POWER. ENGINE WAS ALSO FUEL LIMITED DURING CRUISE PORTION OF FLIGHT. SURGING WAS CONTROLLABLE AND DID NOTSDR CA030430006Fuel Control · failed(CAN) 1ST START ATTEMPT FAILED TO LIGHT OFF. 2ND START ATTEMPT DELAYED LIGHT OFF. HUNG START AT 50 PERCENT N1, COULD NOT GET ABOVE 98 PERCENT. SHUT DOWN ENGINE - CHANGED FUEL CONTROL UNIT.SDR AC2A086265Hydromech Unit · leakingREMOVED FOR HMU BACKLASH CHECK. FOUND TO BE LEAKING FUEL FROM DRIVE SPLINE SEAL. REPLACED HMU.SDR CA030415002Housing · damaged(CAN) FACE OF BODY MACHINED DOWN. WALL THICKNESS AS SHOWN IN PICTURE SHOULD BE BETWEEN .0962 FT TO .0862 FT. FOUND AT .0625 FT. BODY NOT IAW OEM DRAWING REQUIREMENTS. REWORK NOT APPROVED BY OEM. MAIN BODY P/N2525098, S/N 106.SDR AUS20030405Fuel Control · faulty(AUS) NR 2 ENGINE POWER MANAGEMENT CONTROL (PMC) FAULTY.SDR RAIA00304103Fuel Control · malfunctionedRIC- LEFT ENGINE LOW TORQUE. MAINTENANCE REMOVED AND REPLACED THE NR 1 FUEL CONTROL, OPS AND LEAK CK OK.SDR 2003FA0000364Fuel Control · malfunctionedDURING LANDING ROLLOUT, THE PILOT TRIED TO APPLY REVERSE AND THE AIRCRAFT VEERED OFF INTO THE LEFT GRASSY AREA, AND EVENTUALLY CAME TO REST IN THE WEST SOFT AREA. AN ENGINE RUNUP AFTERWARDS REVEALED A DISCREPANCY IN THE RT ENGINE FUEL CONTROL. IT WAS REPLACESDR SIMA200309002Control Unit · inoperativeDURING DESCENT AT 9000 MSL RT ENGINE HAD MINOR TORQUE ROLLBACK WITH NO IGNITION LIGHT. 1 MINUTE LATER RIGHT TORQU WENT OT 118 PERCENT AND RIGHT ITT WENT TO 1000C WITH OVERTEMP LIGHT ILLUMINATED A STRON VIBRATION WAS FELT ON RIGHT SIDE OF AIRCRAFT. RIGHT ENGISDR DLM88040257Fcu · malfunctionedNR 2 ENGINE ROLLED BACK DURING LEVEL OFF AT 8000 FT. ENGINE SHUTDOWN PER CHECKLIST. MTC IN PROGRESS. REPLACED NR 2 ENGINE FCU, PWR AND FUEL CUTOFF TELE-FLEX PUSH/PULL CABLES.SDR DL76G030265Eec · malfunctionedR ENG EEC EICAS MESSAGE ON T/O ROLL. FWD TO MCO AND PLACARD PER MEL 73-21-01A. PIMU MONITOR SHOWS NO FAULTS. T/S PER FIM. RAN ENG, NO FAULTS. OK FOR SERVICE. MCO/PLAC REMOVED.SDR ALG2003F00056O-Ring · leakingDURING POST FLIGHT, PILOT DISCOVERED STRONG FUEL ODOR, HE NOTIFIED MAINTENANCE FOUND THE FUEL LEAK COMING FROM THE FUEL CONTROL (T) FITTING, HE REMOVED THE (T) FITTING AND REPLACED THE ORING. THE AIRCRAFT WAS GROUND RUN AND LEAK CHECKED AND RETURNED TO SERVICSDR 2003UALA00258Fuel Control · failedNUMBER 1 ENGINE N1 OVERSPEED OF 103 PERCENT FOR 40 SECONDS. N1 PASSED 100.5 REDLINE FOR 42 SECONDS AND REACHED A MAXIMUM OF 103.0. NO OTHER EXCEEDENCES OCCURRED. INITIAL PROGNOSIS IS A MECHANICAL FAULT IN THE FUEL CONTROL UNIT.SDR CA030331006Line · frozen(CAN) A/C WAS COVERED IN SNOW AND ICE & REQUIRED EXTENSIVE PREHEATING. ENGS WERE STARTED & NR 1 ENG TOOK LONGER TO LIGHT OFF. ONCE ALL WAS IN GREEN, A/C LIFTED OFF. APPROX. 10 MINS INTO 1ST CYCLE, CREW NOTICED ENGS WERE UNMATCHED. ATTEMPTED TO MATCH THEM USDR MEX2003060Fuel Control · failedFLT 189 - TIJ-MEX - AIRCRAFT RETURNED TO PLATFORM, OSCILLATION IN ENGINE PARAMETERS. OIL FILTER, OIL MAIN FILTER AND CHIP DETECTOR WERE VERIFIED. N2 WAS ADJUSTED AT LOW LEVEL REMAIN AT 52 PERCENT AND THE REST OF PARAMETERS WERE OK. AN ENGINE VISUAL INSPECTISDR HEEA084957Control Unit · splitTORQUE SPLITS. FOUND LEAKING SERVO VALVES. REPLACED VALVES AND LEVER. TESTED SATISFACTORY.SDR HEEA084956Control Unit · oscillatesTORQUE CONTROL UNIT CAUSES ENGINE OSCILLATIONS AND TORQUE ACCELERATIONS. COULD NOT DUPLICATE OSCILLATION. UNIT NEEDED MINOR TRIM ADJUSTMENTS. TESTED SATISFACTORY.SDR HEEA084955Control Unit · oscillatesTORQUE CONTROL UNIT CREATES TORQUE OSCILLATIONS.SDR HEEA084954Control Unit · splitTORQUE SPLITS AND OSCILLATIONS. FOUND LEAKAGE. POLISHED AND RESET SERVO VALVES AND LEVER. TESTED SATISFACTORY.SDR HEEA084953Control Unit · splitTORQUE SPLITS. FOUND PR-PG RESTRICTORS AND SERVO LEVER WORN. REPLACED PARTS. TESTED SATISFACTORY.SDR 03FDEA00172Compressor · stalledUPON LEVELING AT FL310 WITH CRUISE POWER SET AND AFTER CLOSING ENGINE, ANTI-ICE COMPRESSOR STALLS. NR 2 ENGINE EPR DROPPED FROM 1.8 TO 1.2,EGT STARTING TO CLIMB, NR 2 THROTTLE TO IDLE. SLOWLY RESTORED NR 2 POWER AND CYCLED ENGINE ANTI-ICE BACK TO OFF, COMPRESDR SWIA200311822Warning Light · illuminatedEEC LEFT FAILURE ON TAKEOFF ROLL. ABORTED TAKEOFF. RAN VARIOUS EEC-RELATED TESTS, COULD NOT DUPLICATE DISCREPANCY. OPS CHECK GOOD AT THIS TIME. NO DEFECTS NOTED LEFT ENGINE.SDR 0300243220Service difficultyDuring top of descent engine #1 experienced a compressor stall and flamed out. Flight crew performed an uneventful single engine landing. Maintenance replaced the Hydro Mechanical Unit.SDR SH52003F00000Fuel Control · inoperativeAIRCRAFT WAS HOLDING ON TAXIWAY WITH WINDS OVER 40 KNOTS AND BLOWING SNOW. A/C WAS BEHIND A/C WHICH WAS KICKING UP ADDITIONAL SNOW. PILOT PUT ON THE COWL ANTI-ICE. APPROXIMATELY ONE MINUTE LATER THE RIGHT ENGINE SHUTDOWN UNCOMMANDED, AIRCRAFT RETURNED TO HASDR HEEA084532Fuel Control · failedDURING FUEL CROSS FEED CHECK THE NR 2 ENGINE FLAMED OUT. FLOW PROBLEMS (INCONSISTENT). THE BYPASS VALVE WAS STUCK. REPLACED VALVE AND SLEEVE. UNIT TESTED SATISFACTORY.SDR HEEA084485Fuel Control · malfunctionedNR 1 ENGINE FLUTTERS IN MANUAL MODE WHEN THROTTLE ADVANCED. IN SHOP FOR REPAIR.SDR HEEA084484Control Unit · surgesCONTROL UNIT CAUSING TORQUE SURGES WHEN POWER IS APPLIED. IN SHOP FOR REPAIR.SDR AUS20030187Computer · faulty(AUS) NR 2 ENGINE THRUST MANAGEMENT SYSTEM (TMS) COMPUTER FAULTY.SDR HEEA084193Fuel Control · leakingFUEL CONTROL HAS A FUEL LEAK INTO P3 LINE TO SCROLL.SDR MEX2003457Fuel Control · out of trimFLT 494 - MID-MEX - AFTER LEFT ENGINE STARTING WITH N2 BELOW MINIMUMS, SL 22 DEGREES CELSIUS AND 54 PERCENT OF N2, REMAINING IN VALUES OF 46 PERCENT AND 470 DEGREES CELSIUS OF EGT. STARTING VALVE WAS CLOSED STILL REMAINING BELOW MINIMUM SAME VALVES. RIGGING SDR AUS20030503Fuel Control · faulty(AUS) ENGINE POWER FLUCTUATIONS. SUSPECT FAULTY FCU.SDR 011703N792MAFuel Control · malfunctionedTHE AIRCRAFT ENCOUNTERED SEVER TURBULENCE, AT WHICH TIME THE ENGINE WENT TO 38 PERCENT N1/MIN FLOW. UPON REMOVAL OF FUEL CONTROL, IT WAS NOTED THAT IT RATTLED. FUEL CONTROL TO BE INSPECTED BY MFG.SDR CA030119004Fcu(CAN) 60 MILES FROM SAVANNAH, ON DESCENT FROM FL230 TO FL110, CREW REPORTED SLOW RH ENGINE. FLAMEOUT ON DESCENT AT 330 KTS AT 3200 FEET/MIN DESCENT. THE INFORMATION THAT FOLLOWS WAS TAKEN FROM AIRCRAFT DEFECT LOG BEGIN QUOTE:DEFECT: ON DESCENT RIGHT ENGINE FSDR A6WA200340016Fuel Control · malfunctionedRIGHT ENGINE INFLIGHT FLAMED OUT WITH RIGHT ENGINE OIL PRESSURE CAS MESSAGE ON ED1. REMOVED AND REPLACED NR 2 FUEL CONTROL UNIT. NO DEFECTS NOTED. REPLACED FUEL FILTER, RIG CHECKED, TANKS SUMPED, NO DEFECTS. (M)
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