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 CA080320006Gasket · looseSERVO PLUGS FOUND LOOSE UPON INSPECTION. SERVO PLUG SEALS REPLACED WITH NEW AS PER THE CONVERSATION WITH PRECISION AIRMOTIVE REPRESENTATIVE. ENGINE REMANUFACTURE DATE OF AUG 18, 2005 AND THE FUEL SERVO WAS REPAIRED JULY 28, 2006 AND BOTH DO NOT FALL WITHIN THSDR CA080320005Gasket · looseAD2008-06-51 FUEL INJECTION SERVO PLUGS, SERVO PLUGS FOUND LOOSE UPON INSPECTION. SERVO PLUG SEALS REPLACED WITH NEW AS PER THE CONVERSATION WITH PRECISION AIRMOTIVE REPRESENTATIVE.ENGINE REMANUFACTURE DATE OF SEPT. 8, 2005 DOES NOT FALL WITHIN THE DATES SPECSDR EVAC032708Fuel Control · malfunctionedREPORTED AS UNCOMMANDED TORQUE FLUCTUATION LEADING TO TORQUE EXCEEDANCE OF 134.7 PERCENT FOR 1 SECOND. FUEL CONTROL AND GOVERNOR REMOVED AND TESTED BY APPROVED REPAIR STATION. NO DEFECTS NOTED.SDR CA080304009Fuel Control · failed(CAN) ENGINE HAD BEEN REMOVED IN RUNNING CONDITION FOR SCHEDULED HOT SECTION/GEARBOX INSP. ENG SENT TO ENGINE SHOP. UPON INITIAL START UP FOR THE TEST CELL RUN, THE ENGINE WOULD NOT START. FUEL CAME OUT THE DRAINS AND THE BACK OF THE ENGINE. THE FUEL PUMP PRESSDR DHLA200800017Fcu · out of adjustFLT NR 385, 1 ENG WOULD NOT PRODUCE TAKEOFF EPR RTO WT 174.9 24 DEGED C PA-70 BRAKE ENERGY ZONE NORMAL IAS LESS THAN 60 NTS SWAPPED NR 1 AND 2 EPR GAUGES FOR TROUBLESHOOTING RAN ENGINE, ALL ENGINE PARAMETER LOW ON NR 1 ENG. RETURN NR 1 AND 2 EPR GAUGES TO ORISDR DHLA200800026Line · looseFLT NR 9994, NR 4 ENGINE ROLLBACK AT FL280 DESCENDED TO FL 200 ENGINE RESTARED NORMAL AND RAN NORMAL THE REST OF THE TRIP WITH NORMAL INDICATIONS. INSPECTED NR 4 ENGINE INTAKE AND EXHAUST NO DEFECTS NOTED. FOUND CDP LINE LOOSE RESECURED LINE IAW CFM 56 MM 71SDR CA080225001Hmu · malfunctioned(CAN) AFTER CONFIGURING FOR LANDING (FLAP 35, CONDITION LEVERS MAX) CO-PILOT COMMENTED THAT HE HAD NOTICED A SIGNIFICANT POWER LOSS ON THE NR 2 ENG AND POINTED OUT A REDUCTION IN TORQUE. THE NR 2 TORQUE GAUGE WENT TO 0 PERCENT, CREW DECIDED TO SHUTDOWN THE NR SDR ABXA080192Mec · defectiveRT ENG COMPRESSOR STALL AT LEVEL OFF 37000` ENG STABLE AT POWER REDUCTION. ENG PARAMETERS NORMAL EVENT RECORDED. RIGGED VSV, CHECKED FEEDBACK CABLE, WITHIN LIMITS. COMPLIED WTIH BOROSCOPE INSPECTION. NO DAMAGE NOTED IAW B767 MM 75-31-03-5-72-00-00-6. REMOSDR DXTA200802838Eec · malfunctionedWHEN APPLYING TAKEOFF POWER LT ENGINE LAGS BEHIND R BY APPROX 15-20 PERCENT. REMOVED AND REPLACED LT DEEC WITH AN INSPECTED DEEC AND OPERATIONAL CHECKED OK IAW LMM CH 76-10-02 AND 72-00-00.SDR DXTA200802821Fuel Control · malfunctionedDURING TAKEOFF ROLL THE NR 1 ENG DID NOT DEVELOPE T/O POWER. TARGET N1 WAS 88.6 PERCENT BUT ONLY DEVELOPED 81 PERCENT N1. DOWNLOADED NR1 ENG. DCU AND SENT INFO TO MFG, SWAPPED EEC'S AND RAN FOR PWR OF DAY. DOWNLOADED DCU NR SENT TO MFG. PERFORMED OPS CHECK OSDR AMAT200800050Eec · malfunctionedAFTER ENG NR2 WAS STARTED WE GOT AN ENGINE CONTROL LIGHT CAME ON. NR 2 EEC BITE SHOWED FAULT CODE 75-20582 TBV DEMAND AND SIGNAL DISAGREE. NO FAULTS ON CDS BITE. PERFORMED TEST 12 IAW MM 71-00-00-700-807. BOTH CHANNELS PASSED. NO FAULTS ON EEC. VERIFIED SDR C2XA08CL014Module · defectiveDAY FLIGHT 2382 - THE CREW REPORTED 10 MINUTES INFLIGHT IN CLIMB MODE THE NR 2 ENGINE POWERED BACK TO FLIGHT IDLE UNCOMMANDED. THE AIRCRAFT DIVERTED TO CLE AND LANDED WITHOUT INCIDENT. MAINTENANCE INSPECTED AND REPLACED THE NR 2 ENGINE FADEC 2A RESISTOR MODUSDR B3OR2008030Fcu · leakingFUEL CONTROL UNIT IS LEAKING FUEL FROM A DIAPHRAM BREATHER HOLE IN THE CASING. THE LEAKING HOLE IS LOCATED BELOW AND SLIGHTLY IB OF THE PRESSURE REDUCING VALVE ATTACHED TO THE FCU.
FUEL LEAK WAS INITIALLY OBSERVED AS A SEEP, PROGRESSING TO A LOW PRESSURE STESDR DJFA2008006Hmu · out of adjustDURING TAXI, PRIOR TO FLIGHT, WHILE PERFORMING THE EFC AUTHORITY CHECK THE NR1 ENGINE SHUTDOWN. MAINT FOUND THE NR1 HMU OUT OF ADJUSTMENT. THE HMU WAS ADJUSTED IAW THE MM AND THE ENGINE OPERATIONAL CHECK WAS SUCCESSFUL.SDR NOCA00408Eec · malfunctionedDURING CLIMBOUT HAD EXCESSIVE AIRFRAME VIBRATION, NO EICAS MSG. REDUCED THRUST VIBRATION WENT AWAY. RETURNED TO BAH. ENGINE LIMITS AND ENGINE INDICATIONS WAS NORMAL. AN EXTERIOR INSPECTION WAS ACCOMPLISHED PER M/M 05-51-38 TASK 201, NO FAULTS WERE FOUND. SDR NOCA004Eec · malfunctionedDURING CLIMBOUT HAD EXCESSIVE AIRFRAME VIBRATION, NO EICAS MSG. REDUCED THRUST, VIBRATION WENT AWAY. RETURNED TO BAH. NO DOOR LIGHT INDICATIONS, ENGINE LIMITS AND ENGINE INDICATIONS WAS NORMAL. AN EXTERIOR INSPECTION WAS ACCOMPLISHED PER M/M 05-51-38 TASK SDR ASAA0852484Eec · faultyAUTO THROTTLE INDICATION "AT LIMIT" ON UPR DU DURING CLIMBOUT WITH THROTTLES NOT TO GREEN LINE (COMMANDED LIMIT) IN LVL CHG VNAV OR VS WITH AIRSPEED LESS THAN IAS WINDOW SETTING. 2ND CLIMB NR 2 EXCEEDED GREEN LIMIT LINE. PILOT DISCONNECTED AUTOTHROTTLES BEFOSDR LR7A08022Fuel Control · malfunctionedDURING DESCENT TO PANC, FLIGHT CREW REPORTED NR 3 ENGINE FLAMED OUT. NR 3 FUEL CONTROL AND COORDINATOR REPLACED PER ALLISON MM 73-1-4 PG 201-203 AND 73-3-0 PG 201-202. OPS CHECK GOOD IAW LAC JOB CARD HN7101.SDR ASAA0852470Eec · faultyDURING TASKCARD 78273000 NR 2 ENGINE FAULT 73 20012 WAS FOUND. REPLACED NR 2 EEC (REF 73 21 60 PG 401 408 & MM SUPP 73 21 60 PG 401&408). ALL OP CHECKS GOOD. NO FAULTS.SDR FAA011808001Fuel Control · inoperativeON APPROACH TO TTN THE AUTO THROTTLES DISENGAGED. THE RT LEVER KNOB WAS ONE KNOB AFT OF THE LT. WHEN RT LEVER WAS ADVANCED FORWARD THE RT ENGINE DID NOT RESPOND TO THROTTLE MOVEMENT.SDR 0102183945Fuel Control · malfunctionedENGINE FLAMEOUT DURING POST MAINTENANCE EVALUATION FLIGHT. SAME ENGINE HAD FLAMED OUT DURING 135 OPERATION (2) DAYS PRIOR. SUSPECT FUEL CONTROL. ENTIRE ENGINE ASSEMBLY IS BEING REMOVED AT THIS TIME.SDR 0101084118Fuel Control · failedON APPROACH TO LANDING AT APPROXIMATELY 300 FEET AGL NR 2 ENGINE FLAMED OUT. THE ENGINE WAS RESTARTED AFTER LANDING AND GROUND RUNS HAVE BEEN MADE WITHOUT INCIDENT. MAINTENANCE EVALUATION IS UNDERWAY. FUEL CONTROL SYSTEM IS SUSPECT, BUT NOT CONFIRMED.SDR 2007UALA05371Unknown · unknownNR 2 ENG 'ENG EEC C1' MESSAGE APPEARED ON EICAS. ENGINE OPERATION ABNORMAL.SDR AMTA200700717Hmu · unserviceableENGINE CONTROL LIGHT, LIGHT ON, ENGINE NR 2. REMOVED AND REPLACED NR 2 ENGINE HYDROMECHANICAL UNIT IAW MM 73-21-10-4. OPS CHECK NORMAL. OK FOR SERVICE. (K)SDR IG0R200751070Bellows · damagedENGINE WENT TO IDLE IN FLIGHT. FAILED BELLOWS BENCH TEST. BELLOWS BREACHED. UPON FURTHER INSPECTION THERE WAS NO PHYSICAL DAMAGE TO THE BELLOWS HOWEVER THERE WAS CORROSION ON THE TOP OF THE BELLOWS AND AT THE FIRST CONVOLUTION. REPLACED BELLOWS AND RECALIBRATESDR CA071217006Bolt · backed out(CAN) ON CLIMB OUT, THE PILOT REPORTS NR 1 ENG RPM DROPPED TO 97 PERCENT AND HE WAS NOT ABLE TO RESTORE THE ENG TO 100 PERCENT RPM. PROCEEDED TO MAKE AN UNSCHEDULED LANDING AT DEPARTURE AIRFIELD. UPON INVESTIGATION IT WAS FOUND THAT THE BOLT ATTACHING THE SPESDR ASAA0752384Eec · faultyNR 1 ENGINE SHOWS EEC FAULT CODE 73 20011 AS A CURRENT SHORT TERM FAULT. REPLACED EEC AND UPLOADED NEW SOFTWARE. NR 1 ENGINE EEC SYSTEM TEST PASSED.SDR ASAA0752343Eec · faultyAUTO THROTTLES OPERATING IN "A T LIM" MODE DURING CRUISE. ENGINE BITE SHOWS FAULTS 73 10772 9 (PS3 SIGNAL OUT OF RANGE) AND 73 11282 (EEC CHANNEL NOT ENERGIZED WITH ALTERNATOR VOLTAGE). REPLACED NR 2 EEC. EEC INSTALLATION TEST AT SYSTEM TESTS NORMAL.SDR CA071203007Fcu · leaking(CAN) THE PILOT WAS DESCENDING WHEN ALL OF A SUDDEN THE CABIN AREA FILLED UP WITH A MIST ORIGINATING FROM THE THE DEFROST VENTS. THE MIST WAS SO STRONG THAT THE PILOT HELD HIS BREATH AND OPENED THE FUSELAGE DOOR SO THE MIST COULD EXIT THE AC. AFTER A FEW SECOSDR USAA920071255Metering Unit · faultyFLT NR 9205 - TPA-PHX - IFSD - LEVEL OFF AT 5000' ON APPROACH TO PHX, RIGHT ENG DID NOT RESPOND TO AUTOTHRUST. ENGINE INDICATIONS WERE LESS THAN IDLE. PERFORMED ECAM ACTIONS TO SHUT DOWN NR 2 ENGINE. FUEL CONTROL DID NOT RESPOND TO NR 2 ENG MASTER. PUSHED SDR HNAA0700279Ecu · defectiveNR 2 ENGINE MANUAL CAUTION LIGHT ILLUMINATED AFTER ENGINE START. MEL'D NR 2 ECU. ON 30 NOVEMBER 2007, NR 2 ECU WAS REPLACED. OPERATIONAL CHECK GOOD.
SDR EIA2007201Fmu · malfunctionedON FINAL EICAS MSG "ENG 4 FAIL". PERFORMED FAULT ISOLATION MANUAL PROCEDURES TASK 71-00-919 DUE TO NR 4 CONTROL MESSAGE 74077, OPS CHECK GOOD PER FAULT ISO MANUAL. REMOVED AND REPLACED FMU PER B747-400 AMM 73-21-01. ACCOMPLISHED POWER PLANT TEST NR 3 PER B7SDR CA071128013Fuel Control · failed(CAN) ENGINE POWER LOSS AND SUBSEQUENT INFLIGHT SHUTDOWN REPORTED. MFG IS ATTEMPTING TO RECOVER THE FUEL CONTROL UNIT FOR INVESTIGATION AND WILL ADVISE. (TC NR 20071128013)SDR CA071109005Ecu · failed(CAN) AC EXPERIENCED AN IN FLIGHT ENGINE SHUTDOWN OF THE NR 2 ENG ON DESCENT ABOUT 20 MILES FROM DESTINATION. CREW REPORTED NO DISCREPANCIES PRIOR TO THE INCIDENT. THE CREW DID NOT ATTEMPT A RESTART BUT DECIDED TO LAND AS CONFIGURED. THE ECU FAULT LIGHT DID NOSDR CA071113005Fuel Control · failed(CAN) DURING APPROACH, ENGINE SPEED DESCENDED TO SUBNORMAL VALUE. NO/SLOW RESPONSE FROM THRUST LEVER. CONDITION WAS REPEATABLE ON GROUND FOLLOWING THE INCIDENT. FUEL CONTROL CHANGED AS PART OF TROUBLESHOOTING. (TC NR 20071113005)SDR HCM2007F00003Fcu · defectiveSHORTLY AFTER TAKEOFF OF A TOUR FLIGHT, AT APPROX 9:40 AM, THE PILOT NOTICED THE ENGINE NG SPEED HUNTING AND THE TORQUE FLUCTUATING (LESS THAN 20 PERCENT), THE AC ALSO EXHIBITED SLIGHT YAWING IN CONJUNCTION WITH THE FLUCTUATING NG AND TORQUE. THE PILOT PERFORSDR CA071128011Fuel Control · inoperative(CAN) DURING CRUISE, ENGINE POWER GRADUALLY REDUCED FROM 102 PERCENT N1 INDICATION TO 74 PERCENT. NO RESPONSE TO THROTTLE LEVER MOVEMENT. FLIGHT WAS DIVERTED AND AIRCRAFT LANDED WITH BOTH ENGINES RUNNING. THE ENGINE FUEL CONTROL WAS REPLACED AND AIRCRAFT RETUSDR N425CT0003Hydromech Unit · restrictedPARTIAL POWER LOSS FROM RT ENGINE AT FL 390 POWER SURGED DURING APPROACH AND LANDING.SDR DJFA2007122Computer · out of adjustCREW REPORTED ENGINE ROLL BACK OF 5 PERCENT N1 ON THE RT ENGINE FOLLOWED BY A FLUXUATION OF 3-4 PERCENT. ENGINE STABILIZED AFTER ENGINE HEAT WAS TURNED ON. MAINTENANCE ADJUSTED THE EFC AUTHORITY.SDR ASAA0752153Eec · malfunctionedFOUND FAULT CODE 73 30312 ON NR 2 ENGINE START. SWITCH SIGNAL AND ARINC BUSS DATA DISAGREE. COMPLETED FIM 73 24 STEP E (1) THROUGH L. NO FAULTS SHOWING AT THIS TIME. REPLACED NR 2 ENGINE EEC. REF MM 73 21 60 & MM SUPP 73 21 60. COMPLETED FIM 73 24 TASK 8SDR DXTA200702550Flow Divider · out of rigLT ENGINE SHUTS DOWN ON SPEED BRAKE TEST. T/S LT ENGINE. FOUND ENG RIGGING LOOSE AND WITH EXCESS PLAY AT FLOW DIVIDER. RIGGED LT ENGINE. OPS CHECK GOOD. CHECKED RT ENG FOUND IN SAME CONDITION. RERIGGED. RT ENG OPS CHECK GOOD. ALSO CHECKED SPEED BRAKE TEST WITSDR AALA20071947Ecu · inoperativeMIA INFLIGHT T1047/16OCT - NUMBER ONE ENGINE GENERATOR FAILED AND CREW WAS UNABLE TO ESTABLISH POWER WITH AUXILLIARY POWER UNIT (APU). LANDED MIA WITHOUT INCIDENT. REPLACED NUMBER ONE ENGINE ELECTRONIC CONTROL UNIT AND SERVICED INTEGRATED DRIVE GENERATOR. PSDR HALA0700450Eec · faultedENG L SYSTEM FAIL LIGHT ILLUMINATED INFLIGHT. FOUND EEC 1 FAULT 732142 EEC BOX FAULT REMOVED AND REPLACED NR 1 ECC IAW AMM 73-21-01.
SDR DL76G071335Eec · failedCREW REPORTED ON RT ENG START HAD R EEC CONTROL STATUS MSG AND EEC CHAN "A" CB POPPED. CB WOULD NOT RESET. NO DISPATCH FAULT. REPLACED RT EEC. ALL MESSAGES CLEARED.SDR HEEA117612Fuel Control · malfunctionedNR 2 ENGINE DECAYED FROM HOVER POWER TO IDLE APPROXIMATELY 60 N1 DURING HOVER. LANDING AND SHUTDOWN UNEVENTFUL. MAINTENANCE REPLACED NR 2 FUEL CONTROL.SDR CA071015006Fcu · out of adjust(CAN) FCU SN 304536 REMOVED FOR OVERHAUL(RUNNING NORMAL)FCU SN 308210 TSO 0 INSTALLED (FROM SAE)AND REQUIRED MAXIMUM ADJUSTMENTS,START DERICH AND START ACCEL.TO GET ENGINE TO START. AFTER 7.3HRS, OUR AME DEEMED IT NECESSARY TO CHANGE IT FOR A BETTER ONE. A LOSDR TSAA0773051Fuel Control · failedNON-ETOPS FLIGHT 90 HNL-KOA, ON TAKEOFF ROLL, THE CREW NOTED THE NR 2 EGT CLIMBING FASTER THAN THE NR 1 EGT. ABORTED THE TAKEOFF AT 100 KTS INDICATED AIRSPEED DUE TO NR 2 ENGINE HIGH EGT. THE CREW RETURNED TO THE GATE WITHOUT FURTHER INCIDENT. MAINTENANCE CSDR AC2A117358Hmu · malfunctionedENGINE STARTING HOT.SDR CA070910007Fuel Control · unserviceable(CAN) OVERSPEED OCCURED DURING FLIGHT, FUEL CONTROL REPLACED WITH SERVICEABLE UNIT. WHEN REMOVED, IT WAS NOTED THAT THE FCU INPUT SHAFT BEARING WAS DAMAGED. FCU SENT OUT FOR INSP/REPAIR. (TC NR 20070910007)SDR NWAA073025805Power Supply · unserviceableDURING TAKEOFF ROLL, ENGINE NR 1 EPR "DROPPED OFF" AND L ENG PRIM CONT MSG ANNUNCIATED. TAKEOFF ABORTED AT 110 KNOTS. MAINTENANCE REPLACED THE PMA AND PERFORMED A HIGH ENERGY STOP INSPECTION.
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