JASC 7322

Service difficulty reports · 1,272

Reports filed under 7322 · Fuel Control/Reciprocating 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 = '7322'
  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.

SDR 97ZZZX936Fuel Control · leakEN ROUTE, STRONG SMELL OF FUEL WAS NOTICED IN THE COCKPIT. INITIALLY SUSPECTED ONE OF THE PASSENGERS WHO HAD PREVIOUSLY REFUELED AIRCRAFT HAD GOTTEN FUEL ON HIS CLOTHING. AFTER LANDING, FUEL WAS OBSERVED COMING FROM FUEL CONTROL UNIT. FOUND FUEL CONTROL LEADec 16, 1996 · N173AL · Bell 206L4SDR 96ZZZX6141Retain Screw · loosePILOT REPORTED ENIGNE HAD STARTED RUNNING ROUGH AND EGT AT PEAK WITH MIXTURE FULL RICH. INVESTIGATION REVEALED MIXTURE CONTROL VALVE END PLAY OF APPROX .0625 INCH. PRECISION AIRMOTIVE SB MSA-6 HAD NOT BEEN C/W. RETENTION SCREW P/N 15-B395 WAS FOUND TO HAVEDec 12, 1996 · N28794 · Gulstm AA5BSDR VNAA9612001Hmu · failedAFTER 4 MINUTES OF FLIGHT, LEFT ENGINE TORQUE WENT TO ZERO AND LOST OIL PRESSURE. AIRCRAFT RETURNED TO FIELD ON RIGHT ENGINE ONLY WITHOUT FURTHER INCIDENT. MAINTENANCE REMOVED AND REPLACED THE LH HYDRO MECHANICAL UNIT, GROUND RUNS CHECKED GOOD AND AIRCRAFT WDec 8, 1996 · N437JS · Dorner DO328100SDR 97ZZZX184Carburetor Tube · looseIN FLIGHT, RPM WOULD NOT DECREASE BELOW 2000 RPM. INVESTIGATION FOUND ACCELERATOR PUMP NOZZLE DISLODGED AND LYING IN AIR BOX. CARBURETOR SENT TO REPAIR STA. FOR OVERHAUL. SUSPECT NOZZLE ADHESIVE BROKEN LOOSE WHEN SINGLE PIECE VENTURI WAS INSTALLED AT 1865 HDec 2, 1996 · N21428 · Piper PA28161SDR 97ZZZX183Carburetor · malfunctionPILOT REPORTS TWO OR THREE HARD JOLTS FROM TURBULENCE WITH NEG G-FORCE. THE ENGINE WENT TO NEAR IDLE POWER. DISASSEMBLY OF THE CARB REVEALED THE PRESENCE OF A SILT CLOD IN MAIN JET. SUBMITTER RECOMMENDS PERIODIC CLEANING OF FLOAT BOWL TO REMOVE BUILD UP OF Dec 2, 1996 · N16125 · Cessna 150LSDR 96ZZZX6100Fuel Control · defectivePILOT REPORTED ENGINE STUMBLE ON TAKEOFF AND AT CLIMB POWER SETTING. EXTENSIVE TROUBLESHOOTING FOUND LOOSE BUSHING AT RIGHT ENGINE. MIXTURE CONTROL SHAFT INSTALLED USED SERVICEABLE FUEL CONTROL ASSY. TEST FLOWN OK.Nov 21, 1996 · N48SA · Cessna 404CESSNASDR 96ZZZX6155Injector Servo · failedINJECTOR SERVO 'SHUT DOWN' DURING ACTUAL FUEL FLOW TEST', ALLOWING ONLY A DRIBBLE OF FUEL THROUGH WITH FULL THROTTLE AND FULL MIXTURE AND FUEL PUMP ON. HAD THIS HAPPENED IN-FLIGHT, ENGINE WOULD HAVE STOPPED.Nov 20, 1996 · N3646N · Piper PA60601PSDR 96ZZZX6161Discharge Tube · brokenTHROTTLE JAMMED IN-FLIGHT. SAFE LANDING MADE. FOUND CARB DISCHARGE TUBE BENT AND BROKEN IN CARB HEAT BOX. FOUND THROTTLE SHAFT BUSHINGS EXCESSIVELY WORN AND LEAKING. AIRCRAFT 4.6 HOURS SINCE 'OWNER ASISTED ANNUAL' WAS COMPLETED. THESE ITEMS ARE PART OF ANov 15, 1996 · N7916G · Cessna 172LSDR 96ZZZX5959Spring · weakINSTALLED OVERHAULED CARBURETOR AND RIGGED. WITHIN 10 HOURS, OWNER REPORTED ENGINE VERY ROUGH AT LOW POWER SETTINGS OR WOULD NOT EVEN IDLE. FOUND IDLE MIXTURE ADJUST SCREW GONE. NOTIFIED OVERHAULER WHO SENT NEW CARB. UPON INSTALLATION OF NEW UNIT, SPRING TNov 13, 1996 · N7624G · Cessna 172LSDR CA961120011Fuel Contrl Unit · faulty(CAN) ON APPROACH IT WAS NOTICED THE FUEL FLOW FLUCTUATED WHEN THE POWER WAS RETARDED ON THE #2 ENGINE. ALL OTHER #2 ENGINE PARAMETERS WERE NORMAL. AFTER LANDING AND PASSENGERS DEPLANING AN ENGINE GROUND RUN WAS CARRIED OUT. WHEN THE POWER LEVER WAS ADVANCED BNov 7, 1996 · Dhav DHC6300SDR CA961128032Fuel Contrl Unit · faulty(CAN) 15 MINUTES INTO FLIGHT THERE WAS NO POWER RESPONSE FROM THE LEFT HAND THROTTLE (#1 ENGINE). AIRCRAFT RETURNED TO POINT OF DEPARTURE. POST FLIGHT INSPECTION FOUND #1 ENGINE FUEL CONTROL UNIT FAULTY. FCU REPLACED. GROUND RUN CARRIED OUT AND CHECKED SERVICENov 2, 1996SDR 96ZZZX6156Valve Tang · wornTANG OF FUEL CUT OFF VALVE ASSY WORE DEEPLY INTO FULL RICH STOP AREA ALLOWING APPROX ONE-QUARTER TURN MORE THAN NORMAL. ENGINE WENT EXTREMELY LEAN. TAKEOFF ABORTED.Nov 1, 1996 · N5099U · Cessna 172RGSDR 96ZZZX5811Carburetor · misoverhauledCARBURETOR RUNNING OVER RICH. AFTER DISASSEMBLY, FOUND STICKY MATERIAL (PROBABLY FUEL LUBE TM) ON PARTING SURFACE GASKET COVERING ENTIRE GASKET. THIS CARB HAS HAD OTHER WORK DONE SINCE GASKET WAS INSTALLED. SUBMITTER STATED MECHANIC ERROR?Nov 1, 1996 · N5AU · Piper PA28140SDR 96ZZZX5963Coupling · defectiveINSEPCTION OF NEW FCU PART BEFORE INSTALLING ON AIRCRAFT REVEALED A SUBSURFACE FLAW RUNNING LONGITUDINALLY DOWN THE FEMALE SPLINE. THIS UNIT IS A PLASTIC DRIVE COUPLING BETWEEN THE ENGINE DRIVEN FUEL PUMP AND THE FUEL CONTROL. FAILURE WOULD HAVE CAUSED AN ENOct 31, 1996SDR CA961105001Fuel Contrl · faulty(CAN) DURING CLIMB THE #2 ENGINE TORQUE STARTED TO CYCLE UP AND DOWN 10-24 PERCENT - FUEL FLOW AND NL ALSO CYCLED UP AND DOWN. PILOTS SELECTED E.C.U. TO MANUAL, TURNED OFF PROP SYNC. AND BLEED AIR BUT FLUCTUATIONS STILL OCCURRED. AIRCRAFT RETURNED TO POINT OF Oct 26, 1996 · Dhav DHC8301SDR 97ZZZX828Discharge Tube · detachedCARBURETOR PUMP DISCHARGE TUBE ASSY CAME ADRIFT INGESTING IN ENGINE, KNOCKING LOOSE THE SOLID COMBUSTION PARTICLES IN THE COMBUSTION CHAMBER WHICH FOULED A NUMBER OF THE SPARK PLUGS SIMULTANEOUSLY LOSING 50 PERCENT OR MORE OF THE POWER. BEING NEXT TO THE AIRSOct 4, 1996 · N5115E · Cessna 172NSDR CA961009001Fuel Control · missing stop pin(CAN) PILOT REPORTED LOSS OF SPRING BACK IN MEXTURE FULL RICH POSITION AND REPORTED SOME RISE IN FUEL FLOW AS MIXTURE CONTROL INITIALLY PULLED BACK FROM FULL RICH POSITION. INSPECTION FOUND FULL RICH STOP PIN MISSING.Oct 3, 1996 · Cessna A185ESDR 96ZZZX5126Float · failedAN AIRCRAFT EXPERIENCED TOTAL POWER LOSS DURING A PERSONAL FLIGHT. AN EMERGENCY WAS DECLARED AND THE AIRCRAFT LANDED WITHOUT INCIDENT. INVESTIGATION OF THE ENGINE INCIDENT REVEALED THE FAILURE WAS CAUSED BY A FAULTY METAL FLOAT ON CARBURETOR. THE METAL FLOAOct 2, 1996 · Piper PA18135SDR USAAD96133Fuel Control · failedFLT 2133 - PHL-ATL - JUST AFTER ROTATION, LEFT ENGINE SPOOLED DOWN TO ZERO. RETURNED TO FIELD. REPLACED LEFT FUEL CONTROL UNIT. (M)Sep 28, 1996 · N952VJ · Doug DC931SDR CA961011002Float · badly worn(CAN) PILOT COMPLAINED OF INTERMITTENT FUEL LEAK FROM CARBURETOR. DISASSEMBLY OF CARBURETOR REVEALED FLOAT HINGE BADLY WORN ALLOWING CONTACT OF FLOAT WITH SIDES OF FLOAT CHAMBER RESULTING IN SEVERE WEAR ON SIDES OF METAL FLOATS. FUEL VALVE RETAINER CLIP WORN ISep 27, 1996 · Cessna 180HSDR 96ZZZX5007Bracket · separatedTHROTTLE BODY SUPPORT BRACKET FOUND SEPARATED AT ANNUAL INSPECTION. TIS: 156.5 HOURS, SEPARATED AT SPOT WELDS.Sep 18, 1996 · N9489M · Cessna 210MSDR 96ZZZM1401Carburetor · defectiveON CLIMB-OUT, HAD COMPLETE POWER LOSS ON NR 2 ENGINE. ENGINE WAS FEATHERED AND AIRCRAFT RETURNED TO AIRPORT. CARBURETOR WAS FOUND TO BE DEFECTIVE AND REPLACED. AIRCRAFT RETURNED TO SERVICE.Sep 17, 1996 · N22913 · Cvac 240*SDR CA970311010Fuel Contrl Unit · failed(CAN) ENGINE WILL NOT MEET MINIMUM ACCEPTABLE TORQUE. LOW POWER, LOW T5, HIGH NG. NO CHANGE ON MANUAL THROTTLE. PART TC: 29.Sep 16, 1996 · Carson S61LSKRSKYSDR 96ZZZX5414Spool Bearing · not lubedUSCG FUEL CONTROL RECEIVED FROM BENDIX WEST COAST AS ZERO HOURS TSO REQUIRED UPGRADE IAW GT 264 AND GT 279. IN THE PROCESS OF DISASSEMBLY DISCOVERED THE BLUE GREASE RESERVOIR IN THE SPOOL BEARING CAP HAD NEVER BEEN FILLED. THIS CONDITION HAS BEEN CITIED IN TSep 6, 1996SDR 96ZZZX5209Carburetor · leakFOUND LEAK IN BOWL DRAIN. REMOVED PLUG, SEAL, AND REINSTALLED.Sep 6, 1996SDR 96ZZZX5208Carburetor · leakFOUND LEAK IN BOWL DRAIN WHEN REBUILT CARBURETOR INSTALLED. REMOVED DRAIN, RESEAL.Sep 3, 1996SDR CA960924040Carburetor · mis modified(CAN) MODIFICATION OF CARBURETOR SINGLE PIECE VENTURI AND METAL FLOAT INSTALLATION WAS DONE IMPROPERLY. THE SPRING WHICH BRINGS DOWN THE NEEDLE WHEN THE FLOAT DROPS AS THE FUEL LEVEL LOWERS WAS INSTALLED TO THE FRONT INSTEAD OF FROM THE LEFT OR RIGHT SIDE. IN Sep 1, 1996 · Cessna 172GSDR CA961007029Fuel Contrl · broken flyweight(CAN) DURING CLIMB THE #2 ENGINE LOST POWER. A RELIGHT ATTEMPT PROVED UNSUCCESSFUL. INVESTIGATION FOUND ONE OF THE MAIN FUEL CONTROL FLYWEIGHTS HAD BROKEN OFF. UNIT IS BEING RETURNED FOR INVESTIGATION.Aug 30, 1996SDR CA970311045Fuel Contrl Unit · failed(CAN) AIRCRAFT IN HOVER, ENGINE DECELERATED. AIRCRAFT AUTO-ROTATED TO GROUND. ENGINE CONTINUED TO OPERATE BUT WOULD ONLY PRODUCE 90 PERCENT NR. FUEL CONTROL UNIT REPLACED.Aug 20, 1996 · Bell 206L1SDR CA961002004Fuel Control · faulty(CAN) FUEL CONTROL UNIT FAILED.Aug 20, 1996 · Piper PA30SDR CA960827018Coupling Drive · sheared(CAN) THE PILOT WAS FORCED TO SHUT THE ENGINE DOWN BECAUSE HE WAS UNABLE TO CONTROL IT. THE DEFECT WAS CAUSED BY THE BREAKING OF THE FUEL CONTROL AND FUEL PUMP COUPLING.Aug 11, 1996 · Beech 65A90SDR CA960927001Carburetor · abnormal wear(CAN) PILOT EXPERIENCED STARTING PROBLEMS. INVESTIGATION OF SNAG WAS INCONCLUSIVE. INSPECTION OF CARBURETOR INDICATED WEAR ON THE FLOAT ASSEMBLY, WHICH IS UNCOMMON WITH THE AMOUNT OF TIME AND USAGE OF THIS UNIT. FURTHER INVESTIGATION IS UNDERWAY.Aug 10, 1996 · Cessna 172RGSDR CA960910020Fuel Control · faulty(CAN) ON DESCENT #2 ENGINE SHUTDOWN. MAIN FUEL CONTROL AND MAIN FUEL PUMP ON #2 ENGINE REPLACED. THROTTLE AND FUEL SHUT OFF SYSTEM RIGGED AND GROUND RUN CARRIED OUT SERVICEABLE.Aug 7, 1996 · Cndair CL6002B19SDR GLBA96176Fuel Control · failedRDU - RIGHT TORQUE FLUCTUATIONS OF 600 TO 700 LBS. HIGH ITT WHEN TORQUE IS ABOVE 2000 FT/LBS. MAINTENANCE REMOVED AND REPLACED FCU. OPERATIONAL CHECKS NORMAL. (M)Aug 4, 1996 · N170GL · Beech 1900CSDR CA960808101Metering Pin · worn(CAN) PILOT HAD PROBLEM WITH THROTTLE STICKING. CARBURETOR HEAT WAS APPLIED AND THE PROBLEM WAS RECTIFIED. AS CARBURETOR ICING WAS SUSPECTED THE PROBLEM WAS NOT REPORTED. ON THE RETURN FLIGHT THE THROTTLE STUCK AGAIN, AND COULD NOT BE FREED. POST FLIGHT INAug 2, 1996 · Cessna 182QSDR CA960808106Fuel Control · faulty(CAN) ON TAKEOFF, ADVANCED THRUST LEVERS TO NORMAL SPOOL UP POSITION, ENGINE ACCELERATION NORMAL, CONTINUED TO ADVANCE THRUST LEVERS, #2 ENGINE ACCELERATION WAS A LITTLE SLOWER THAN #1 ENGINE, THEN AS THRUST LEVERS ADVANCED, #2 ENGINE ASSUMED CONTINUOUS POWER Aug 1, 1996 · Boeing 737275SDR 96ZZZX4623Needle Valve · swelled upCARBURETOR FLOAT CHAMBER NEEDLE VALVE TIP SWELLED UP, PROBABLY DUE TO 100 LL OR AUTOGAS. ENGINE FALTERED AT HIGH POWER SETTINGS. TAKEOFF ABORTED.Aug 1, 1996 · Cessna 140SDR CA960909034Fuel Control · faulty(CAN) IN DESCENT FROM 13,000 FEET WITH RPM AT 13,500, FUEL TRIM AT 20 PERCENT & FUEL HEAT IN MANUAL, AT 3,000 FEET #2 ENGINE STARTED TO AUTOFEATHER. THE PILOT TRIMMED UP 80 PERCENT & APPLIED FULL POWER, ENGINE WAS SLOW TO SPOOL UP. #2 ENGINE FUEL CONTROL WAS RJul 29, 1996 · Braero HS7482ASDR CA960827015Bushing · loose(CAN) HESITANT ACCELERATION OF THE ENGINE CAUSED BY THE PLAY IN THE BUSHING ALLOWING FUEL LEAKAGE WHEN FULL POWER WAS APPLIED FROM IDLE. THIS CONDITIONN WAS NOTICED DURING INSPECTION OF THE OPERATION OF THE THROTTLE, THE LOSS OF FUEL WAS THROUGH THE THROTTLE BJul 26, 1996 · Cessna 152SDR AU961045Bracket · cracked(AUS) CARBURETTOR FLOAT BRACKET CRACKED CAUSING CARBURETTOR FLOODINGJul 26, 1996SDR CA960826011Carburetor · faulty(CAN) ENGINE BEGAN TO RUN OVER RICH AND THEN FLOODED. THE PILOT ADDED CARBURETOR HEAT WHICH ONLY ENRICHED IT MORE. A SUCCESSFUL FORCED LANDING WAS CARRIED OUT AND THE CARBURETOR WAS REPLACED.Jul 25, 1996 · Dhav DHC2MK1SDR 96ZZZX3797Carburetor · malfunctionENGINE WILL NOT IDLE, DIES/RESTARTS OK. WILL NOT TAKE THROTTLE. WANTS TO BACKFIRE THROUGH CARBURETOR. REMOVED CARBURETOR. REPLACED WITH OVERHAULED UNIT.Jul 19, 1996 · N32MS · Doug DC3SDR 96ZZZX4377Shaft · misdrilledPURCHASED CARBURETOR THROTTLE SHAFT KIT, P/N CF 778-1006, NEW FROM AVSCO. ON INSPECTION OF PART BEFORE INSTALLATION, FOUND PART ASSEMBLED IMPROPERLY, P/N CF13-1520. THE HOLE IN THE THROTTLE STOP WAS DRILLED CROOKED AND STILL ASSEMBLED ONTO THE SHAFT. BECAUSEJul 9, 1996SDR CA960709005Heat Jacket · broken lugs(CAN) DURING ROUTINE FLIGHT PILOT REPORTED A ROUGH RUNNING ENGINE. POST FLIGHT TROUBLESHOOTING FOUND THE TOP OUTBOARD LUGS ON THE CARBURETOR HEAT JACKET HAD COME LOOSE FROM THE CLAMP AND THE TWO RIVETS HOLDING IT ONTO THE JACKET. THE LUG HAD TRAVELLED THROUGH Jul 2, 1996SDR 96ZZZX3929Carburetor · blockagePARTIAL POWER LOSS. FINGER SCREEN WAS FOUND PARTIALLY FILLED WITH A LINT-LIKE SUBSTANCE TO THE POINT THAT FUEL FLOW WAS RESTRICTED. THE FUEL SYSTEM WAS CHECKED BY DRAINING FUEL FROM SUMPS, GASCOLATOR, FUEL LINE, CARBURETOR FLOAT BOWL. NO FURTHER CONTAMINATIJul 1, 1996 · N3281R · Cessna 152SDR 96ZZZX3563Lever Arm · looseWHILE C/W CESSNA SEB95-15R1, THROTTLE CONTROL LEVER INSPECTION. FOUND LEVER LOOSE AT SHAFT ATTACHMENT; ALSO, FOUND METERING UNIT LEVER LOOSE ON ITS SHAFT. CESSNA SB ONLY DEALS WITH AIRFRAME CONTROL ATTACHMENT. SUSPECT CAUSE, INCORRECT OVERHAUL PROCEDURES ORJun 27, 1996 · N5469X · Cessna P210NSDR 96ZZZX3448Support · crackedTHIS AIRCRAFT IS MODIFIED PER STC SA00152W1 AND THE ITEM IS PART OF THE MODIFICATION. THIS SUPPORT WAS CRACKED TWO-THIRDS THE WAY THROUGH; AND, IF HAD BROKEN OFF, WOULD HAVE LET THE FUEL CONTROL UNIT SLIP DOWN AND CAUSE A VERY LEAN MIXTURE AND A POSSIBLE ENGIJun 20, 1996 · N182PG · Cessna 182QSDR 96ZZZX3443Support · crackedTHIS AIRCRAFT IS MODIFIED PER STC SA00152W1 AND THE ITEM IS PART OF THE MODIFICATION. THE ENGINE QUIT IN-FLIGHT, AND WAS RESTARTED WITH NO OTHER PROBLEMS. THE PART WAS FOUND CRACKED IN TWO AND WAS THOUGHT TO CAUSE THE MIXTURE CONTROL TO LEAN THE MIXTURE BY LJun 20, 1996 · N5442N · Cessna 182RSDR AU961078Carburettor · faulty(AUS) CARBURETTOR SUSPECT FAULTYJun 18, 1996 · Cessna 152SDR AU960820Fcu · faulty(AUS) RH ENGINE FUEL CONTROL UNIT FUEL/AIR MIXTURE SUSPECT OUT OF ADJUSTMENT - PERSONNEL/MAINTENANCE ERRORJun 13, 1996 · Parten P68B
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