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 96ZZZX778Carburetor · mouse fodINVESTIGATION AFTER ENGINE FAILURE DISCOVERED A MOUSE LODGED IN THE CARBURETOR THROAT. THE DESIGN OF THE CABIN/CARBURETOR HEAT SYSTEM LEAVES AN OPEN PATH FROM THE CARBURETOR AIR BOX TO THE CABIN HEAT CONTROL VALVE ASSEMBLY. MICE CAN ENTER VIA THE CABIN OR THJan 1, 1996 · N2754L · Cessna 172HSDR 96ZZZX686Cotter Pin · missingRECEIVED CARBURETOR FROM CUSTOMER WITH THE FOLLOWING SQUAWK: 'AIRCRAFT WON'T IDLE, CAN'T SHUT DOWN WITH FUEL MIXTURE. SEEMS TO RUN AT HIGH RPM. WHEN SHUT OFF WITH SWITCH, FUEL RUNS OUT OF CARBURETOR. 6.0 HOURS SINCE INSTALLED ON AIRCRAFT'. TESTED CARBURETOJan 1, 1996SDR CA960102103Float Assembly · broken(CAN)SEPARATION OF FLOAT CHAMBER FROM FRAME. SOLDERING OF JOINT APPEARS TO BE IMPROPERLY PERFORMED.Dec 28, 1995 · Cessna 180HSDR CA960109002Carburetor · faulty(CAN)DURING TAKEOFF ROLL THE AIRCRAFT EXPERIENCED A 300 RPM POWER LOSS ALONG WITH ENGINE VIBRATION. THE TAKEOFF WAS ABORTED AND THE AIRCRAFT RETURNED TO THE RAMP. NO FAULT WAS FOUND ON INSPECTION OR GROUND RUNUP. FAULT WAS THOUGHT TO BE DUE TO CARBURETOR ICINGDec 23, 1995 · Diamon DA20A1SDR 96ZZZX195Servo Injector · seal failedWHILE IN LEVEL FLIGHT AT AN ALTITUDE OF 4,500 FEET MSL, ENGINE DEVELOPED A ROUGH RUNNING CONDITION AND THEN QUIT. UPON INSPECTION OF SERVO INJECTOR, FOUND A SEAL IN THE DIAPHRAGM HOUSING HAD BECOME DEFECTIVE.Dec 21, 1995 · N53870 · Bbavia 8KCABSDR CA960102004Fcu · over adjusted(CAN)INSTALLED NEWLY OVERHAULED FCU. HAD TO ADJUST MAX FUEL TWICE AT 1/2 CW TURN EACH TIME. 5 MONTHS LATER, ADJUSTED ANOTHER 30 POUNDS PER HOUR. ENGINE WAS NOW UNABLE TO GO BELOW 95 PERCENT, REPLACED FCU. SUBMITTER SUGGESTS THAT THE FCUS ARE BEING RECEIVED FRDec 19, 1995 · Swrngn SA226TCSDR 96ZZZX199Tube · separatedENGINE WAS ROUGH AT IDLE, AND WOULD SMOKE. IDLE ADJUSTMENT WOULD NOT HELP. CARBURETOR WAS DISASSEMBLED. THE IDLE TUBE WAS FOUND SEPARATED FROM THE THREADED PORTION.Dec 15, 1995 · N1195X · Piper PA28151SDR CA951218015Fcu · malfucntioned(CAN)ON TAKEOFF ROLL, PILOT REPORTED A 50 DEGREES SPLIT IN ENGINE TGTS, ALL OTHER PARAMETERS NORMAL AND TGTS WITHIN LIMITS. DURING CRUISE PILOT NOTICED THAT THE RIGHT HAND ENGINE CONDITION LEVER WAS NOT RESPONSIVE TO POWER REDUCTION AS THE LEFT ENGINE. SUBSEDec 6, 1995SDR CA951218004Fcu · leaking(CAN)FUEL CONTROL LEAKING FROM ALLEN KEY, L/H SIDE OF FCU BELOW 'FROM PTG FITTING' WITH BOOST PUMP ON.Dec 6, 1995 · Bell 206BSDR 96ZZZX48Venturi · defectiveC/W AD 93-18-03 BY REMOVING TWO-PIECE VENTURI AND INSTALLING CONSOLIDATED FUEL SYSTEM'S ONE-PIECE VENTURI. THEREAFTER, PILOT REPORTED CRUISE FLIGHT FUEL BURN INCREASED FROM 7 GPH TO 9 GPH. INSPECTION OF CARBURETOR AND VENTURI DISCLOSED NO DISCREPANCIES, BUT Dec 4, 1995 · N7362G · Cessna 172KSDR CA960115018Fuel Control · faulty(CAN)DURING CLIMB THE #2 ENGINE RPM INCREASED, TORQUE FLUCTUATED AND T5 INCREASED TO 800 DEGREES C. THE ENGINE WAS SHUTDOWN. A GROUND INSPECTION REVEALED NO DAMAGE TO THE ENGINE. DURING A TEST RUN-UP THE ENGINE SHUT ITSELF DOWN WHILE AT IDLE. THE FUEL CONTROL Dec 1, 1995SDR CA951130009Valve Assembly · malfunctioned(CAN)PILOT REPORTED ENGINE STOPPAGE (2-3 SECONDS) DURING TURBULANCE; THEN RETURNED TO NORMAL THERE HAVE BEEN 3 OR 4 OF THESE OCCURRENCES OF THIS TYPE IN THE LAST 100 HOURS, THESE HAPPENED DURING BOTH SMOO TH AND ROUGH AIR. DURING TROUBLESHOOTING THE PROBLEM LNov 28, 1995 · Cessna TR182SDR 95ZZZX7007Cotter Pin · missingRECEIVED CARBURETOR FROM CUSTOMER WITH THE FOLLOWING SQUAWK: AIRCRAFT WILL NOT IDLE, CANNOT SHUT DOWN WITH FUEL MIXTURE. SEEMS TO RUN AT HIGH RPM. WHEN SHUT OFF WITH SWITCH, FUEL RUNS OUT OF CARBURETOR. 6.0 HOURS SINCE INSTALLED ON AIRCRAFT. TESTED CARBURNov 28, 1995SDR QXEA9500408Hmu · malfunctionedPDX - STRONG FUEL SMELL IN COCKPIT AND CABIN AFTER STARTING NR 1 ENGINE. NR 1 HMU REPLACED I/A/W MAINT. MANUAL. HMU OPS CHECKED GOOD ON GROUND RUN. NO FUEL SMELL NOTED IN COCKPIT OR CABIN. AIRCRAFT RETURNED TO SERVICE.Nov 27, 1995 · N802PH · Dhav DHC8102SDR CA951221020Fcu · malfunction(CAN)FCU WOULD NOT RETURN TO FLIGHT IDLE WHEN THROTTLE WAS ROLLED OFF. THROTTLE CYCLED SEVERAL TIMES BEFORE ENGINE RETURNED TO IDLE. ASSEMBLY REPLACED AND AIRCRAFT RETURNED TO SERVICE.Nov 24, 1995 · Bell 206BSDR 96ZZZX198Fuel Control · bushing wornSTEEL BUSHING HAS WORN AWAY ABOUT 90 PERCENT OF THE THROTTLE ARM. THE BOLT WAS CORRECTLY INSTALLED AND PROPERLY TORQUED. THIS AREA HAS BEEN SUBJECT TO CLOSE INSPECTION AT EACH 100-HOUR INSPECTION SINCE EARLIER REPORTS OF SIMILAR PROBLEMS (CESSNA SEB 95-15), Nov 22, 1995 · N9987N · Cessna A185FSDR CA960116010Fcu · failure(CAN)START LAG AT AROUND 28 PERCENT N1 UP TO 38 PERCENT. THEN START RESUMED FOR SECOND PEAK. WOULD NEED HIGH CHARGE BATTERY FOR START-UP. FIRST PEAK 720 DEGREES, THEN WENT BACK DOWN TO 550 DEGREES THROUGH 28 PERCENT N1 TO 38 PERCENT N1. SECOND PEAK AT 38 PERCNov 20, 1995 · Hughes 369HSSDR CA960126011Bearing · leaking(CAN)BEARING LEAKING GREASE AND FEELS ROUGH. FCU REPLACED.Nov 17, 1995 · Hughes 369DSDR 95ZZZX6804Carburetor · shaft wornFUEL STARTED RUNNING FROM CARBURETOR AIR INTAKE 'EXCESSIVE'. REMOVED CARBURETOR, FOUND FLOAT SHAFT WORN EXCESSIVELY AND SHAFT BACKED OUT.Nov 17, 1995 · Cessna R182SDR 95ZZZX6760Carburetor · failedENGINE QUIT IN CRUISE FLIGHT. SMALL PARTICLES OF DIRT FOUND IN CARBURETOR PER OVERHAUL SHOP.Nov 17, 1995 · N9346L · Gulstm AA1ASDR CA951122001Fcu · failed(CAN) DURING TAXI FOR TAKEOFF, THE RIGHT HAND ENGINE EXPERIENCED AN UNCOMMANDED INCREASE IN POWER OUTPUT TOWARD MAXIMUM. THE CREW SHUTDOWN THE ENGINE WITH EMERGENCY STOP/FEATHER LEVER. THE ENGINE WAS REMOVED, A NEW FCU WAS INSTALLED, AND THE ENGINE RE-INSTALLENov 15, 1995 · Mtsbsi MU2B35SDR CA951209101Fcu Arm · disconnected(CAN)ON CLIMB OUT SHORTLY AFTER TAKEOFF THE #2 ENGINE LOST TORQUE AND AUTOFEATHERED. THE ENGINE WAS SECURED AND A SINGLE ENGINE LANDING WAS CARRIED OUT. INSPECTION FOUND THE FUEL CONTROL UNIT (FCU) ARM WAS ROTATING FREELY ON THE SERRATED WASHER THAT CONNECTS INov 7, 1995 · Beech 200BEECHSDR 96ZZZX2574Vent Line Ftng · crackedDURING ANNUAL INSPECTION, FUEL STAINS WERE NOTED ON NACELLE BULKHEAD. LEAK WAS FOUND BY PRESSURIZING THE FUEL SYSTEM. CRACK BELIEVED TO HAVE BEEN CAUSED BY OVERTORQUING THE PIPE TYPE FITTING DURING OVERHAUL OR ASSEMBLY. LEFT AND RIGHT WERE CRACKED. SUBMITTEOct 30, 1995 · N448DF · Gruman TS2ACALFORSTSDR CA951129518Fcu Box · malfunction(CAN)AT TOP OF DESCENT THE LEFT THROTTLE JAMMED AT CRUISE POWER. WITH CONSIDERABLE FORCE IT WAS RETARDED ABOUT ONE WIDTH ABOVE RIGHT THROTTLE. POWER COULD NOT BE REDUCED TO IDLE. POST FLIGHT INSPECTION FOUND THE FUEL CONTROL BOX STIFF & RATCHETING. THE FUEL COOct 18, 1995SDR 95ZZZX5938Venturi · faultyONE-PIECE VENTURI INSTALLED TO COMPLY WITH AD 93-18-03. AFTER INSTALLATION, AIRCRAFT WOULD NOT RUN SMOOTHLY, FUEL CONSUMPTION INCREASED ABOUT ONE AND ONE-HALF GALLONS PER HOUR. SUBMITTER STATED THAT THE AD SHOULD HAVE BEEN A MANDITORY INSPECTION AT ANNUAL ONOct 4, 1995 · N9026A · Cessna 170ASDR UF6A950905Fuel Control · failedSBN - FLT 5116 - LOSS OF POWER ON NR 1 ENGINE, ON CLIMB-OUT. MAINTENANCE REMOVED AND REPLACED MECHANICAL FUEL CONTROL. ACFT TT, 9,411 HRS. ENGINE TT, 7,169 HRS. (X)Oct 2, 1995 · N852AW · Bag ATPSDR CA951130022Fuel Control · faulty(CAN)IN CLIMB A REPORTED LOSS OF POWER OCCURRED ON #1 ENGINE. POST FLIGHT INSPECTION DETERMINED THE FAULT WAS THE HYDROMECHANICAL FUEL CONTROL UNIT WHICH WAS REPLACED.Oct 2, 1995SDR 95ZZZX6922O-Ring · leakingFUEL STAINS NOTED ON OIL FILTER, LOWER LEFT FIREWALL. FUEL WAS LEAKING IN A HIGH PRESSURE STREAM FROM A BAD 'AN' 123956 O-RING ON THE LEFT SIDE OF ENGINE DRIVEN FUEL INJECTOR PUMP HIGH PRESSURE METERING SCREW. THIS FUEL GLANCED OFF THE OIL FILTER, HIT THE LOSep 29, 1995 · N4736M · Beech A36SDR 95ZZZX6575Carburetor Tube · missingPILOT SAID THE ENGINE HAD A LOSS OF POWER AND IT WAS HARD TO START. ENGINE WAS REMOVED FOR OVERHAUL WITH 2125 TSO. WHEN THE CARBURETOR WAS REMOVED, IT WAS NOTICED THE ACCELERATOR DISCHARGE TUBE WAS MISSING. SUBMITTER SUSPECTED REASON FOR LOSS OF TUBE WAS CASep 25, 1995 · N12805 · Cessna 172SDR 95ZZZX5760Bearing · failedFUEL CONTROL DRIVE BEARING FAILURE. UNDETERMINED CAUSE.Sep 17, 1995SDR CA951130001Fcu · oscillating(CAN)FCU OSCILLATING. REMOVED AND REPLACED.Sep 12, 1995 · Snias AS350BSDR MEJA9509001Diaphram · defectiveAMA-DFW - FLT 1911 - WHILE ON APPROACH, THE RIGHT ENGINE TORQUE STARTED TO SURGE, TORQUE COULD ONLY BE DECREASED TO 31 PERCENT. RIGHT ENGINE WAS SHUTDOWN AND SECURED, LANDED AT DFW WITHOUT FURTHER INCIDENT. MAINTENANCE FOUND THE P3 DIAPHRAM IN THE RIGHT ENGISep 7, 1995 · N563UP · Swrngn SA227ATSDR 95ZZZX6778Venturi · loosePILOT COMPLAINT, ENGINE RUNNING VERY RICH. DISASSEMBLED CARBURETOR, FOUND FLOAT LEVEL TOO HIGH AND TWO-PIECE VENTURI INSTALLED. TWO OF THE THREE LEG CLIPS WERE MISSING AND VENTURI WAS LOOSE. SUBMITTER STATED AD 63-22-03 IS NOT CLEAR. DOES NOT INCLUDE THESE Sep 5, 1995 · N6769K · Stolam RC3SDR 95ZZZX4591Carburetor Tube · looseRPM COULD NOT BE REDUCED BELOW 2,000 RPM IN-FLIGHT, NECESSITATING POWER-OFF LANDING. INSPECTION REVEALED THE CARBURETOR ACCELERATOR PUMP DISCHARGE TUBE HAD COME LOOSE AND LODGED IN THE THROTTLE VALVE PREVENTING FULL CLOSURE OF THROTTLE. THE OVERHAUL MANUAL SAug 15, 1995 · N54635 · Cessna 172PSDR CA960126008Fcu · failure(CAN)ENGINE FLAMED OUT WHEN THROTTLE WAS ROLLED BACK TO IDLE AFTER LANDING. DURING THE TWO PREVIOUS DAYS LEADING TO THE INCIDENT, THE IDLE HAD TO BE ADJUSTED THREE TIMES AND WOULD NOT STABILIZE. FCU REPLACED AND AIRCRAFT RETURNED TO SERVICE.Aug 5, 1995 · Bell 206BSDR 95ZZZX6245Drive Shaft · defectiveTA-7 FUEL CONTROL, TIP SEAL PUMP EQUIPPED, WAS FOUND TO HAVE WORN SPLINES. PUMP SECONDARY FUEL FLOW REDUCED TO ZERO PPH. PRIMARY PUMP FLOW REMAINED FULLY FUNCTIONAL. DRIVE SHAFT AND MATING PUMP GEAR SET WERE REPLACED WHILE CONTROL WAS RETURNED REPAIRED.Jul 31, 1995 · Kaman K1200SDR 95ZZZX4271Gasket · wrong partFOLLOWING ENGINE OVERHAUL, CARBURETOR WAS RE-INSTALLED TO OIL SUMP USING O-RING SUPPLIED IN KIT NR 627372-A1, PAGE 25 OF GO-300 PARTS MANUAL, FORM X30020. CARBURETOR INSTALLED PER G0-300 PARTS MANUAL, FIGURE 5, WHICH CALLS FOR AN O-RING. NO O-RING GROOVE EXISJul 27, 1995 · N6618E · Cessna 175SDR 95ZZZX4394Throttle Shaft · mismanufacturedDURING OVERHAUL OF MARVEL SCHEBLER CARBURETOR, A NEW THROTTLE SHAFT NR CFB-1533, WAS SELECTED FOR INSTALLATION. WHEN INSTALLED, FOUND THE SHAFT WOULD NOT TRAVEL TO FULL OPEN STOP. AFTER CHECKING SHAFT AGAINST ANOTHER, FOUND THE STOP ARM WAS PINNED IN THE WROJul 25, 1995SDR 95ZZZX4011Gasket · leakingCARBURETOR LEAKING AT INLET FITTING DUE TO LACK OF THREAD SEALANT. GASKET NR 16-A108 IS INSTALLED IN SAID FITTING.Jul 19, 1995SDR 95ZZZX4010Gasket · leakingCARBURETOR LEAKING AT INLET FITTING DUE TO LACK OF THREAD SEALANT. GASKET NR 16-A108 IS INSTALLED IN CARBURETOR FITTING.Jul 18, 1995SDR 95ZZZX3985Gasket · leakingCARBURETOR LEAKING AT INLET FITTING DUE TO LACK OF THREAD LUBE (SEALANT). GASKET PN 16-A108 IS INSTALLED IN FITTING.Jul 18, 1995SDR 95ZZZX3797Float Bracket · brokenENGINE RAN VERY RICH AND ERRATIC. DISASSEMBLED CARBURETOR AND FOUND FLOAT BRACKET EAR BROKEN OFF. IT HAD BROKEN IN THE RADIUS WHERE THE EAR WAS BENT UP AT A 90 DEGREE ANGLE. UNIT WAS A PRECISION AIRMOTIVE RECENT MANUFACTURE. APPEARS FORMING DIES CREATE TOOJul 12, 1995SDR 95ZZZX3796Float Bracket · crackedCARBURETOR UNIT DISASSEMBLED TO CHECK FOR SERVICEABLE FLOAT BRACKET AND FOUND IT HAD A CRACK STARTING IN THE RADIUS CORNER WHERE THE EARS WERE BENT UP. ONE CRACK ONLY WAS NOTICED. THE RADIUS FORMED BY THE FORMING DIES FOR BENDING UP THE EARS IS TOO SHARP. TJul 12, 1995SDR 95ZZZX3654Carburetor Valve · seizedPILOT REPORTED THROTTLE WOULD NOT MOVE FROM IDLE AFTER START. REMOVED CARBURETOR, FOUND CONTROL ARM SEIZED. REPLACED CARBURETOR UNDER WARRANTY. SENT CARBURETOR TO PRECISION AIRMOTIVE FOR WARRANTY/PROBLEM INSPECTION.Jul 12, 1995 · N5210V · Cessna 172RGSDR 95ZZZX4581Inlet Screen · cloggedAIRCRAFT EXPERIENCED LOSS OF ENGINE POWER DURING AERIAL APPLICATION. AIRCRAFT WAS SUBSTANTIALLY DAMAGED DURING A FORCED LANDING. INVESTIGATION REVEALED PARTICLES OF RUBBER ON CARBURETOR FUEL INLET SCREEN AND CARBURETOR BOWL CONTAINED WATER AND RUST CONTAMINAJul 10, 1995 · N8972Q · Ayres S2RR1340NORMSDR 95ZZZX3528Pump · dauber fodON 100-HOUR INSPECTION, DISCOVERED LARGE MUDDAUBERS' NESTS IN THE INLET TO THE FUEL INJECTION PUMP. THIS WEBCO KIT WAS INSTALLED IN RESPONSE TO AN AD NOTE FOR AN ALTERNATE ENGINE INLET AIR SOURCE. (CARBURETOR HEAT BOX TYPE DEVICE). THIS AREA IS AFTER THE AIJul 5, 1995 · N9155P · Piper PA24260SDR 95ZZZX3665Control Bolt · detachedAT ABOUT 700 FEET ALTITUDE AFTER DEPARTURE, ENGINE WENT TO IDLE. AFTER A SUCCESSFUL OFF AIRPORT LANDING WAS MADE, BOLT AND HARDWARE CONNECTING THROTTLE CONTROL TO CARBURETOR WERE FOUND MISSING. INSTALLED NEW BOLT, NUT, SPACER, AND WASHERS. AIRCRAFT TOWED TOJun 26, 1995 · N3420T · Cessna 177SDR CA951130002Fcu · faulty(CAN)ENGINE DECELERATED CAUSING LOSS OF RPM. FUEL FLOW LEVER WAS REMOVED TO EMERGENCY GATE BY THE PILOT WITH NO RESULTS.Jun 19, 1995 · Snias AS350BSDR 95ZZZX3680Carburetor Jet · blockedTEAR DOWN OF CARBURETOR TO IDENTIFY REASON FOR FAILURE. MAIN JET ASSEMBLY WAS FOUND PARTIALLY BLOCKED. BLOCKAGE REMOVED USING A .040 INCH PIECE OF SAFETY WIRE PASSED THROUGH THE OUTLET END OF THE MAIN JET ASSEMBLY.Jun 19, 1995 · N5415J · Cessna 172NSDR 95ZZZX4265Float · leakingCARBURETOR WAS REMOVED FROM ENGINE BECAUSE OF REPORTED ROUGH RUNNING AND ENGINE SHUT DOWN WHEN THROTTLE MOVED TO IDLE. WHEN CARBURETOR WAS DISASSEMBLED, FLOAT WAS FOUND FULL OF FUEL WHICH RESULTED IN EXCESSIVELY RICH CONDITION.Jun 6, 1995 · N171ER · Piper PA28161
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