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 CA990513018Carburetor · leaking(CAN) DURING INSPECTION, THE CARBURETOR WAS FOUND TO BE LEAKING FUEL AT THE SEAMS OF THE TWO HALVES. THE CARBURETOR WAS REPLACED.May 6, 1999 · Piper PA28140SDR 99ZZZX2194Tube · looseACCELERATING PUMP DISCHARGE TUBE CAME OUT AND STRUCK THROTTLE OPEN, STOPPING ENGINE, THEN PART FELL DOWN INTO THE AIRBOX. (THIS OCCURRED IN-FLIGHT AT EFT).May 5, 1999 · N84434 · Cessna 172KSDR CA990513002Float · worn(CAN) THE CARBURETOR FLOAT PIVOT POINT WAS WORN AND THE FLOAT BRACKET (P/N 136-62) WAS BENT. THESE TWO PROBLEMS CAUSED THE FLOAT PONTOON TO RUB AGAINST THE CARBURETOR BOWL ASSEBLY. THERE WAS MINIMAL EVIDENCE OF THIS ON THE FLOAT PONTOON. THIS MAY HAVE CAUSED May 3, 1999 · Robsin R44SDR CA990510029Carburetor · malfunctioned(CAN) IN CRUISE AT 5,000 FEET, THE RPM OF THE TURBINE AND ROTOR WAS INCREASING. THE MAIN ROTOR BLADE PITCH WAS INCREASED AND THE TORQUEMETER SHOWED AN EXCEEDANCE OF 105 PERCENT. REDUCTION OF THE POWER LEVER MAINTAINED THE ROTOR AND ENGINE SPEEDS. AN AUTOROTApr 29, 1999 · Bell 206BSDR 99ZZZX1876Mixture Control · out of adjustNEW CESSNA WITH 9.0 HOURS FOUND MIXTURE CONTROL WOULD NOT HIT FULL RICH STOP ON FUEL CONTROL AND CONTROL IN COCKPIT HAD NO CUSHION. RE-ADJUSTED MIXTURE CONTROL, OPERATIONAL CHECK SATISFACTORY.Apr 19, 1999 · N940SP · Cessna 172SSDR CA990521002Fcu · faulty(CAN) VERY PROMINENT ENGINE NOISE ON SHUTDOWN. NOISE WAS ISOLATED TO THE FUEL CONTROL UNIT. IT SOUNDED LIKE A BEARING BEING RUN DRY. THE FUEL CONTROL UNIT WAS SENT FOR EVALUATION.Apr 12, 1999 · Snias AS350BSDR AU990341Shaft · misinstalled(AUS) CARBURETOR HEAT SHAFT INCORRECTLY SECURED. SPLIT PIN USED INSTEAD OF THE CORRECT ROLL PIN.Apr 12, 1999 · Cessna 152SDR AU990336Heater · misrigged(AUS) CARBURETOR HEATING SYSTEM INCORRECTLY RIGGED. HEAT `ON' CONTINUOUSLY.Apr 12, 1999 · Cessna 152SDR AU990420019Fcu · malfunctioned(AU) ON TAKEOFF, NR 2 ENGINE NEVER SPOOLED UP, BUT REMAINED AT IDLE. THE TAKEOFF WAS ABORTED AND THE AIRCRAFT RETURNED TO THE GATE. THE NR 2 ENGINE FUEL CONTROL UNIT WAS REPLACED, LEAK CHECK AND CONTROL TRIM CHECKS WERE CARRIED OUT SERVICEABLE.Apr 8, 1999 · Boeing 767233SDR AU990320Carburetor · failed(AUS) CARBURETOR FAULTY. CARBURETOR WAS STRIPPED AND INSPECTED AND FOUND: 1. CARBURETOR FLOAT LEVEL INCORRECTLY SET CAUSING CARBURETOR TO RUN LEAN. 2. EXCESS MOVEMENT IN THROTTLE SHAFT HAD ALLOWED THROTTLE VALVE PLATE P/N 14-190 TO CONTACT THROTTLE BODY CApr 4, 1999 · Piper PA28161SDR AU990430057Fcu · malfunctioned(AU) PILOT NOTED A LOSS OF POWER ON TAKEOFF. THE DIFFERENCE IN TORQUE AT 10,000 FEET WAS 200 POUNDS. ALL ENGINE PARAMETERS WERE TYPICAL OF LACK OF POWER: LOW ITT; FUEL FLOW; NG READINGS. THE FUEL CONTROL UNIT WAS REPLACED AND THE PROBLEM WAS CORRECTED.Mar 29, 1999 · Beech A100SDR CA990907027Carburetor · leaking(CAN) CARBURETOR LEAKING FUEL IN CUT OFF.Mar 26, 1999 · Cessna 172NSDR CA990401013Fcu · malfunctioned(CAN) THE ENGINE WAS RUNNING ROUGH, IN CRUISE, WITH MOMENTARY LOSS OF POWER. THIS ENGINE HAD BEEN RUNNING INTERMITTENTLY FOR SOME TIME. THE REPLACEMENT OF THE ELECTRIC FUEL PUMP AND THE FUEL CONTROL UNIT SEEMED TO HAVE SOLVED THIS PROBLEM.Mar 17, 1999 · Piper PA32RT300TSDR 99ZZZX2030Carburetor · misoverhauledCARBURETOR LISTED IN NR 6 WAS REPAIRED AND TESTED. 23.1 HOURS AFTER INSTALLATION OF THIS CARBURETOR, ENGINE WOULD ONLY PRODUCE 2,000 RPM. TEAR DOWN OF CARBURETOR REVEALED NEEDLE VALVE AND SEAT WORN, FLOAT LEVEL SET TOO HIGH, AND A THUMB SIZED BALL OF LINE INMar 1, 1999 · N61940 · Piper PA36375SDR HEEA060683Shaft · faultyTHROTTLE SHAFT LEVERS WILL NOT INSTALL FAR ENOUGH ONTO THROTTLE SHAFTS TO FACILITATE INSTALLATION OF RETAINING PINS.Feb 23, 1999SDR 99ZZZX1469Metering Valve · wornMINUTES PRIOR TO MALFUNCTION, NR 2 ENGINE, SN P83141, FAILED. THIS FAILURE REPORTED 1-26-99. DURING SINGLE ENG DESCENT THROUGH 13,000 FEET, CREW RETARDED POWER LEVER OF NR 1 ENG TO FLIGHT IDLE TO INCREASE DESCENT RATE. MOMENTS LATER, NR 1 GENERATOR FAIL LIGHTFeb 10, 1999 · N91BZ · Rkwell NA26565SDR CA990223010Tube · misinstalled(CAN) DURING FLIGHT, THE PILOT NOTICED THROTTLE MOVEMENT WAS OBSTRUCTED. THE AIRCRAFT LANDED SAFELY. ON THE GROUND, THE THROTTLE OPERATION WAS NORMAL. ON REMOVAL OF THE AIR INTAKE, MAINTENANCE PERSONNEL FOUND THE PUMP DISCHARGE TUBE ASSEMBLY SITTING ON THE Feb 9, 1999SDR CA990226004Fcu · faulty(CAN) FAULTY FUEL CONTROL CAUSED TORQUE FLUCTUATIONS.Jan 24, 1999 · Skrsky S76ASDR 99ZZZX984Fuel Servo · mismanufacturedNEW FUEL SERVO INSTALLED ON AIRCRAFT. FUEL LEAK AT FUEL INLET. REMOVED ADAPTER FROM UNIT, O-RING PACKING, PN 951789, WAS MISSING. SUBMITTER STATED THIS WAS A NEW SERVO AND ALL FITTINGS INSTALLED WERE TORQUED.Jan 19, 1999 · N4123C · Piper PA34220TSDR 2000ZZZX663Fum · inoperativeUNIT INOPERATIVE. RED GOVERNOR LIGHT CAME ON AFTER FLIGHT. DISPLAY SYSTEM DID NOT SHOW DEFECT WITH BATTERY POWER OR GROUND RUN (ONLY OCCURS AFTER FLIGHT). FADAC DATA: FAIL 1 0000, FAIL 2 0200, FAULT DIAG. NR 17. REPLACED WITH NEW UNIT, CORRECTED PROBLEM. Jan 6, 1999 · N104LN · Snias AS350B3SDR 99ZZZX274Carburetor · contaminatedPILOT REPORTED THE ENGINE WAS RUNNING EXCESSIVELY RICH AT ALL SETTINGS EXCEPT IDLE. PILOT DECIDED THE CARBURETOR SHOULD BE REPLACED. WHEN THE CARBURETOR WAS REMOVED, A ROUND PIECE OF HARD PEPPERMINT CANDY WAS FOUND WEDGED IN VENTURI. PILOT HAD COMPLAINED THDec 30, 1998 · N6161S · Cessna R182SDR CA990111002Carburetor · malfunctioned(CAN) DURING FLIGHT, THE PILOT NOTICED A SMALL DROP IN POWER AND RETURNED TO THE AIRPORT. SHORTLY BEFORE TOUCH DOWN THE ENGINE QUIT. ONCE CLEAR OF THE RUNWAY THE ENGINE WAS RESTARTED AND RAN OK. SUSPECTING CARBURETOR PROBLEM, THE CARBURATOR WAS REPLACED. TDec 21, 1998 · Cessna 172QSDR AU981688Float · faulty(AUS) DURING TAKEOFF, ENGINE SUFFERED POWER LOSS RESULTING IN FORCED LANDING AND DAMAGING AIRCRAFT. AN INTERNAL INSPECTION OF THE CARBURETOR, FOUND A LARGE FUEL FILLED BUBBLE IN THE FLOAT'S VARNISH. FURTHER INVESTIGATION FOUND THAT IT WAS POSSIBLE TO INDUCE SDec 5, 1998 · Dhavxx DH82AROBRTSNSDR CA981216003Joint · failed(CAN) NO RESPONSE WHEN PILOT THROTTLE BACK ON LEFT ENGINE. THE BALL HAD COME OUT OF THE JOINT ASSEMBLY AT THE THROTTLE BODY. RIGHT ENGINE THROTTLE BALL JOINT HAD BEEN REPLACED 13.1 HOURS PREVIOUS. SUMBITTER NOTES THAT THEY ARE FOLLOWING PIPER SL 747 (WEAR CDec 4, 1998 · Piper PA34200SDR 99ZZZX290Carburetor · malfunctionedENGINE RAN ROUGH IN CRUISE. CARBURETOR HEAT HELPED SOME. REMOVED PLUGS, FOUND TO BE RUNNING LEAN. REMOVED CARBURETOR, DISASSEMBLED AND FOUND ONE PIECE VENTURI LOOSE IN UPPER CARBURETOR PIECE. SUBMITTER SUSPECTS AIR BYPASSING VENTURI AND CAUSING LEAN MIXTURDec 1, 1998 · N35446 · Cessna 172ISDR 99ZZZX2745Carburetor · malfunctionedAIRCRAFT GOING FROM BFI TO PUL, ABOUT 1 HOUR FROM BFI, THE RIGHT ENGINE STARTED TO LOSE POWER, PILOT FEATHERED THE RIGHT ENGINE AND DIVERTED TO PSC. ABOUT 1 HOUR AFTER LANDING, PILOT STARTED THE ENGINE. A MECHANIC WAS SENT TO PSC AND THE CARBURETOR WAS CHANGNov 25, 1998 · N48K · Beech E18SSDR 99ZZZX140Carburetor · failedIN-FLIGHT, P/N 229-164, 'PUMP DISCHARGE TUBE' BECAME LOOSE DISTURBING AIRFLOW AND DISTORTING ACCELERATOR DISCHARGE CAUSING ERRATIC ENGINE OPERATION AND LOSS OF POWER.Nov 20, 1998 · N2092M · Piper PA28161SDR 98ZZZX4615Washer · crackedRECEIVED CARBURETOR FROM CUSTOMER WITH SQUAWK 'CARB IS LEAKING AND LOOSE AT THE BOWL". UPON INPSECTION OF THE CARBURETOR, FUEL STAINS WERE NOTICED ON THE BOWL ASSY AND THROTTLE BODY ASSY. FURTHER INSPECTION REVEALED THE FOUR SCREWS HOLDING THE THROTTLE BODY Nov 19, 1998SDR CA981130022Control Unit · worn(CAN) CARBURETOR HEAT CONTROL WIRE FOUND WORN AT THE OUTLET OF CASING NEAR THE CARBURETOR BOX ARM. THIS ONLY DETECTED WITH CARBURETOR HEAT FULLY OPENED.Nov 11, 1998 · Cessna 152SDR CA981130020Shroud · cracked(CAN) CARBURETOR HEAT SHROUD FOUND SLIPPED DOWN ON EXHAUST STACK. PART OF UPPER CLAMP P/N AN7377W56 WAS MISSING. SHROUD CRACKED IN FOUR PLACES. SCREEN IN SHROUD PARTLY BURNED, LOOSE OR DISINTEGRATING.Nov 11, 1998 · Cessna 172LSDR AU981515Regulator · faulty(AUS) NR 1 ENGINE FUEL FLOW REGULATOR (FFR) FAULTY.Nov 7, 1998 · Boeing 747238BSDR 98ZZZX4515Vent Tube · looseTHE PILOT REPORTED THE THROTTLE WAS STUCK AT FULL THROTTLE. WHEN PILOT LANDED, IT CAME UNSTUCK. UPON INSPECTION, FOUND ACCELERATOR INJECTOR TUBE BENT AND LAYING IN AIRBOX. COMPONENT P/N PAEC1510N105217.Nov 6, 1998 · N147ER · Piper PA28161SDR 98ZZZX4255Washer · leakingRECEIVED CARBURETOR FROM CUSTOMER WITH SQUAWK 'CARB SHOOK APART'. UPON INSPECTION OF THE CARBURETOR, FUEL STAINS WERE NOTICED ON THE BOWL ASSY AND THROTTLE BODY ASSY. FURTHER INSPECTION REVEALED THE FOUR SCREWS HOLDING THE THROTTLE BODY ASSY TO THE BOWL ASNov 4, 1998SDR AU981514Regulator · faulty(AUS) NR 4 ENGINE FUEL FLOW REGULATOR (FFR) FAULTY.Nov 1, 1998SDR 98ZZZX4598Carburetor · contaminatedAIRCRAFT WAS OUTSIDE FOR 3 YEARS NOT RUNNING. UPON INVESTIGATION, NOTED EXCESSIVE WATER IN CARBURETOR. REMOVED CARBURETOR FOR REPAIR.Nov 1, 1998 · N99155 · Univar 415CSDR AU981530Lever · corroded(AUS) THROTTLE VALVE LEVER AND GRADUATED SLEEVE P/N 847740 SEIZED TOGETHER DUE TO CORROSION. THROTTLE CABLE FAILED.Oct 24, 1998SDR AU981382Valve · seized(AUS) CARBURETOR THROTTLE VALVE SEIZED, IN GRADUATED SLEEVE P/N 847,740, DUE TO CORROSION. THROTTLE CABLE FAILED.Oct 24, 1998SDR AU981353Shaft · broken(AUS) ENGINE FUEL CONTROL UNIT THROTTLE SHAFT BROKEN AT THE CAM.Oct 19, 1998 · Emb EMB110P1SDR 98ZZZX4597Screw · looseON THE PA-18 APPLICATION, THE AIR BOX IS BOLTED TO THE BASE OF CARBURETOR. THE AN 500 SCREWS ARE SAFETIED WITH CRES WIRE. THESE FASTENERS COME LOOSE AND ALLOW THE FLOAT BOWL TO WORK LOOSE FROM THE THROTTLE BODY CREATING A LEAKING CONDITION, AND A RICH FUEL MOct 19, 1998 · N9295D · Piper PA18A150SDR 98ZZZX4268Throttle · jammedAFTER TAKEOFF, THE PILOT ATTEMPTED TO REDUCE POWER. THE THROTTLE JAMMED AND WOULD NOT MOVE TO BELOW 2,300 RPM. THE MIXTURE WAS PLACED IN ICO FOR LANDING. THE DISCHARGE TUBE HAD COME LOOSE AND WEDGED IN THE THROTTLE PLATE. SUBMITTER STATED THEY HAVE A FLEETOct 16, 1998 · N147ER · Piper PA28161SDR CA981022013Seal · missing(CAN) DURING FLT WITH PARTIAL CARB HEAT, EGT GAUGE DROPPED STEADILY TO MINS. ALL OTHER ENG PARAMETERS NORMAL AND UNCHANGED. FULL CARB HEAT APPLIED WITH MIX RICH PER POH AND CARB ICE, IMMEDIATE LOSS OF ENG POWER WITH ROUGH RUNNING AND ENG STOPPED DUE TO OVERROct 14, 1998 · Cessna 182QSDR 98ZZZX4071Float · interferringCARBURETORS THAT ARE USED ON HELICOPTER HAVE A FLOAT HINGE THAT IS RESTING ATO P OF THE ALTITUDE BELLOWS CAUSING FUEL TO CUT OFF OR TOO SLOW ENTERING CARBURETOR. SUBMITTER RECOMMENDED ALERT OR AD BECAUSE THE NEWLY DESIGNED POLYMER FLOAT INTERFERES WITH THE ALOct 12, 1998SDR CA981125051Fcu · faulty(CAN) THE FUEL CONTROL WAS INSTALLED FOR 54.3 HOURS AND WAS ADJUSTED SEVERAL TIMES DUE TO POOR STARTING. THE UNIT WOULD WORK WELL FOR A FEW STARTS AND THEN REQUIRE RE-ADJUSTMENT. THE FUEL CONTROL UNIT WAS REPLACED.Oct 8, 1998 · Bell 206BSDR CA981125045Fcu · faulty(CAN) LIGHT OFF ADJUSTMENT WOULD NOT STAY WITHIN LIMITS DURING INSTALLATION. THE FUEL CONTROL WAS REPLACED.Sep 29, 1998 · Bell 206BSDR CA981030016Fcu · failed(CAN) DURING CRUISE AT FL 390, NR 2 ENGINE POWER DROPPED SIGNIFICANTLY BELOW OTHER ENGINE. ALL NR 2 ENGINE PARAMETERS WERE BELOW THE OTHER ENGINES. THE NR 2 ENGINE POWER LEVER WAS 2-3 INCHES AHEAD OF THE OTHER THREE, IN TRYING TO STABILIZE POWER. NR 2 ENGINSep 27, 1998 · Boeing 747133SDR CA981027022Seal · failed(CAN) STC SA71GL WAS INCORPORATED ON THE ENGINE. FAA AD 96-09-06, WHICH SUPERSEDES FAA AD 95-03-02, CALL FOR THE INSPECTION OF THE CARBURETOR AIR INTAKE FILTER GASKET AT 100 HOUR INTERVALS. REQUIREMENTS FOR TERMINATING ACTION OF THIS AD IS THE REPLACEMENT OFSep 23, 1998 · Cessna 172LSDR CA981027006Bolt · damaged(CAN) AFTER TAKEOFF, THE ENGINE LOST POWER. POST-FLIGHT INSPECTION FOUND THE BOLT THAT SECURES THE THROTTLE CABLE TO THE THROTTLE BODY ARM HAD WORN DUE TO LACK OF TIGHTNESS. THE COTTER PIN WAS WORN AND SUBSEQUENTLY FELL APART. THE SECURING NUT WAS ALSO STRISep 20, 1998 · Cessna 207SDR HEEA0016031Fuel Control · out of adjustON FIRST START AFTER INSTALLATION IN THE AIRCRAFT, TOT ROSE RAPIDLY. FOUND START/ACCEL AND START/DERICH ADJUSTMENTS TURNED TO MINIMUM, NO MORE ADJUSTMENT AVAILABLE. RECEIVED UNIT IN SHOP WITH START DERICHMENT AND START ACCELERATION ADJUSTMENTS BOTH ADJUSTED Sep 11, 1998 · N4573B · Bolkms BO105SSDR AU981203Needle · worn(AUS) CARBURETOR FLOAT NEEDLE AND SEAT WORN. CARBURETOR FLOODING CAUSED A POST SHUTDOWN ENGINE FIRE. PART TC: 4,105.Sep 7, 1998 · Piper PA44180SDR AU981159Carburetor · contaminated(AUS) CARBURETOR CONTAMINATED WITH CORROSION PARTICLES. DURING INVERTED FLIGHT, THE CORROSION IN THE CARBURETOR BOWL WAS DISLODGED AND ENTERED THE CARBURETOR MAIN JET CAUSING A PARTIAL POWER LOSS.Sep 5, 1998 · Cessna A150M
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