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.
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
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 AU960834Needle · deteriorated(AUS) CARBURETTOR FLOAT NEEDLE RUBBER TIP HARDENED AND DEFORMED - OBSOLETE PARTSDR 96ZZZX2998Mixture Control · malfunctionCYLINDER HEAD TEMPERATURE RUNNING HIGHER THAN NORMAL AND ENGINE ERRATIC WHEN AUTO LEAN SELECTED AT CRUISE. AMC TIME IN SERVICE, 843.9 HRS.SDR CA960529014Fuel Contrl Unit · leaking(CAN)ON INSPECTION, BLUE DYE NOTICED FROM FCU VENT INDICATING FUEL LEAKAGE INTO BEARING AREA.SDR CA960723524Fuel Control · faulty(CAN) DURING FLIGHT AIRCRAFT WENT INTO HEAVY TURBULANCE, LEFT E.P.R. DROPPED TO 1.01, MOVED THROTTLE FORWARD AND AFT E.P.R. REMAINED AT 1.01. POST FLIGHT INVESTIGATION LED TO FUEL CONTROL UNIT (FCU) REPLACEMENT.SDR AU960669Bracket · fractured(AUS) CARBURETTOR FLOAT PIVOT PIN BRACKET FRACTURED - CARBURETTOR FLOODINGSDR CA960529003Ico Valve · incorrect assy(CAN)MIXTURE CONTROL AND IDLE CUT-OFF INOPERATIVE. UNIT ASSEMBLED INCORRECTLY WITH MIXTURE CONTROL AND I C O VALVE OUT OF THE VALVE BORESDR CA960524028Fcu · low power(CAN)#2 ENGINE UNABLE TO REACH MAXIMUM CRUISE TORQUE ABOVE 18,000 FEET, ALL ENGINE PARAMETERS NORMAL ON GROUND FCU CHANGED. SAME PROBLEM AGAIN ABOVE 15,000 FEET: NG 3 5 PERCENT LOW, TORQUE 150 LBS LOW ANDTHE TOP ONE INCH OF THROTTLE MOVEMENT HAD NO EFFECT ON SDR 96ZZZX3081Carburetor · blocked ventDURING TAKEOFF ENGINE HAD POWER LOSS. FUEL STARVATION DUE TO BLOCKED VENT SUSPECTED. SPARK PLUGS CONFIRM EXCESSIVE LEAN MIXTURE CAUSED POWER LOSS.SDR 96ZZZX4813Float Assy · detachedCARBURETOR WAS REMOVED AT ANNUAL INSPECTION FOR EXCESSIVE WEAR ON THROTTLE SHAFT. UPON DISASSEMBLY, ONE OF THE FLOATS WAS FOUND BROKEN FROM THE ACTUATING ARM. IT WAS NOT RUPTURED OR WORN THROUGH. FLOAT WAS DATE CODED 4-84. SUSPECT A ROUGH RUNNING ENGINE ANSDR 96ZZZX3205Float Shaft · brokenDURING CARBURETOR TEAR DOWN, FLOAT SHAFT WAS FOUND WITH ONE END BROKEN, PUMP PLUNGER, PN 194-593, WAS ALSO FOUND DETERIORATED, AS WELL AS THE BOWL BEING FULL OF TRASH. SUBMITTER STATED CARBURETORS, AS WELL AS ALL OTHER ACCESSORIES, SHOULD BE OVERHAULED OR HAVSDR CA960723517Hydro Mech Unit · blown gasket(CAN) DURING FLIGHT FUEL QUANTITY SHOWED A CONSTANT LOSS OF FUEL. AIRCRAFT DIVERTED. POST FLIGHT INSPECTION CONFIRMED A FUEL LEAK ON #1 ENGINE. FUEL LEAK STOPPED WHEN ENGINE WAS SHUTDOWN. INSPECITON FOUND BLOWN GASKET AT I.D.G. INLET LINE ON HYDRO MECHANICAL USDR 96ZZZX2764Accelerator Pump · plunger rustedENGINE QUIT CAUSING FORCED LANDING. INVESTIGATION REVEALED PLUNGER RUSTED AND CHECK VALVE WITH BROKEN SPRING INTERNALLY. ACCELERATOR PUMP WAS INOPERABLE AND ENGINE RAN EXCESSIVELY RICH. CARBURETOR LAST OVERHAULED, 8-5-76. SUBMITTER RECOMMENDS CARBURETORS BSDR 96ZZZX3358Venturi · fracturedDURING INSPECTION FOR OVERHAUL, VENTURI WAS FOUND BROKEN AT 3 SUPPORT LEGS AT CENTER OF THE VENTURI.SDR 96ZZZX2976Carburetor Arm · detachedCARBURETOR THROTTLE ARM CAME LOOSE FROM THROTTLE SHAFT DUE TO ATTACHMENT NUT LOOSENING OFF OF ARM. THE SUSPECT CAUSE OF THE NUT COMING LOOSE WAS IMPROPER INSTALLATION OF KOTTER KEY INTO NUT.SDR AU960840Carburettor · leaking(AUS) CARBURETTOR LEAKING FUEL INTO AIR FILTER BOX VIA CARBURETTOR COMPENSATING LINE - THIS DEFECT WAS RECEIVED FROM THE AUF AND IS FOR INFORMATION ONLYSDR CA960619007Fuel Filter · leaking(CAN)FUEL FILTER ASSEMBLY WAS LEAKING OUT OF ELECTRICAL CONNECTION. UNIT REPLACED, AIRCRAFT RETURNED TO SERVICE.SDR 96ZZZX2366Carburetor · float sticksINSPECTION FOUND CARBURETOR FLOAT WAS RUBBING ON LOWER HOUSING AND STICKING OPEN.SDR 96ZZZX2365Carburetor · float sticksINSPECTION FOUND CARBURETOR FLOAT WAS RUBBING ON LOWER HOUSING AND STICKING OPEN.SDR 96ZZZX2179Valve Seat · wornENGINE RUNNING EXCESSIVELY RICH. FOUND PUMP DISCHARGE CHECK VALVE SEAT WORN OFF.SDR 96ZZZX2178Valve Seat · wornENGINE RUNNING EXTREMELY RICH. FOUND PUMP DISCHARGE CHECK VALVE SEAT WORN OFF.SDR AU960852Float · deteriorated(AUS) CARBURETTOR FLOAT DETERIORATED - FLOAT ABSORBING FUEL CAUSING EXCESSIVELY RICH CONDITIONSDR 96ZZZX2886Lockwire · failedCARBURETOR MIXTURE CONTROL DID NOT FUNCTION PROPERLY. UPON INSPECTION, PN 86-18 LOCKWIRE, FOUND FATIGUED, CRACKED IN HALF, NOT ALLOWING FOR MIXTURE CONTROL SHAFT TO BE PROPERLY OPERATED.SDR 96ZZZX2763Accelerator · wornACCELERATOR PUMP WORN AND CHECK VALVE LEAKING CAUSING CARBURETOR TO BE EXCESSIVELY RICH RESULTING IN ENGINE FAILURE. LAST OVERHAUL DATE, 5-6-82.SDR CA960416004Diaphragm · worn(CAN)ON APPROACH, ENGINE POWER DROPPED 60 PERCENT. POWER LEVER RESPONSE WAS POOR. SUBSEQUENT INVESTIGATION FOUND THAT THE LEFT HAND FUEL CONTROL "ROLLING DIAPHRAGM" HAD AN EXCESSIVE LEAK RATE AND WAS REPLA CED. ON CAREFUL EXAMINATION, THE "ROLLING DIAPHRAGM" WSDR AU960434Carburettor · faulty(AUS) CARBURETTOR FAULTY - SUSPECT TEMPORARY CONTAMINATION OR INTERMITTENT FAILURE COMBINED WITH NON FIRING OF NO4 CYLINDERCAUSED ROUGH RUNNING ENGINE - CARBURETTOR ICING WAS DISMISSED AS THE CAUSESDR CA960416003Diaphragm · worn(CAN)AFTER TAKEOFF, ENGINE POWER AND TORQUE FELL OFF 50 PERCENT WITH THE POWER LEVER MOVED AFT. SUBSEQUENT INVESTIGATION FOUND THAT THE RIGHT HAND FUEL CONTROL "ROLLING DIAPHRAGM" HAD AN EXCESSIVE LEAK RATE AND WAS REPLACED. ON CAREFUL EXAMINATION, THE "ROLLINSDR AU960432Carburetor · contaminated(AUS) CARBURETTOR BOWL AND VENTURI CONTAMINATED - FLOAT MOUNTING SHAFT SLIGHTLY WORNSDR 96ZZZX1534Float · crackedCARBURETOR FLOAT FILLED WITH FUEL AND SANK IN-FLIGHT RESULTING IN ENGINE STOPPAGE AND FORCED LANDING. FLOAT WAS IN C/W AD 93-19-04. FLOAT CRACKED AND FILLED WITH FUEL. RECOMMEND RE-ENGINEERED FLOAT NOT PRONE TO CRACKING.SDR AU960331Carburettor · contaminated(AUS) CARBURETTOR MIXTURE/CUTOFF VALVE CONTAMINATED BY TWO LUMPS OF BROWN PARTICLES APPROXIMATELY 3MM (0.118IN) IN DIAMETER -INVESTIGATION FOUND CORROSION IN THE CARBURETTOR AND FUEL FILTER ASSEMBLIES AND THE PARTICLES INDICATE THAT THEY ARE THE RESULT OFCORRSDR CA960328007Fcu · surging(CAN) POWER SURGING WHEN POWER LEVERS ADJUSTED. AIRCRAFT RETURNED TO BASE, SHUT DOWN ENGINE AND LANDED WITHOUT INCIDENT. FCU BELLOWS FOUND DAMAGED.SDR 97ZZZX1014Control Rod · hung upLEFT ENGINE CRUISE POWER REMAINED STEADY AFTER PILOT PULLED BACK POWER LEVER TO BEGIN DESCENT. ENGINE REACHED HIGH TORQUE LIMIT AND HAD TO BE SHUT DOWN IN-FLIGHT. MAINTENANCE INSPECTED ENGINE AND FOUND THE COTTER PIN ON THE CASTELLATED NUT RETAINING THE FCU SDR 96ZZZX1476Venturi · casting flawINSPECTION OF A NEW PMA CARBURETOR VENTURI FOUND CASTING FLAWS. SUBMITTER STATES HAS SEEN THIS DEFECT FREQUENTLY.SDR CA960327014Fcu · faulty(CAN) LEFT ENGINE EXPERIENCED SLUGGISH THROTTLE REACTION. FCU CHANGED BUT HAD TO BE REPLACED ONLY 8 HOURS AFTER. FAULT SEEMED TO HAPPEN AT HIGH ALTITUDE AND COLD TEMPERATURES. FCU REPLACED AGAIN AND NOW FUNCTIONS PROPERLY.SDR 96ZZZX1279Float · detachedENGINE QUIT IN-FLIGHT ONCE AND ON THE GROUND ONCE. FOUND ONE PONTOON OF FLOAT ASSEMBLY HAD BROKEN OFF. DATE CODE STAMPED IN FLOAT BRACKET IS 884. IT IS A FACTORY MANUFACTURED FLOAT; NOT A PMA.SDR CA960212037Fcu · damaged(CAN) DURING A FLIGHT, ENGINE PARAMETERS SUDDENLY INCREASED WHILE IN CRUISE. THE ENGINE DID NOT RESPOND TO POWER LEVER INPUTS. THE PILOT DIVERTED FLIGHT TO THE POINT OF ORIGIN AND SECURED THE ENGINE BEFORE DESCENDING. INSPECTION REVEALED A DAMAGED FUEL CONTROLSDR CA970217002Fuel Control · faulty(CAN) ON DEPARTURE THE CREW NOTICED EXCESSIVE DUCT PRESSURE AND A DROP OF E.P.R. ON #3 ENGINE, THE AIRCRAFT DIVERTED. POST FLIGHT MAINTENANCE TROUBLE SHOOTING REPLACED THE FUEL CONTROL UNIT; PRESSURE RATIO BLEED CONTROL VALVE AND THE START BLEED CONTROL VALVE.SDR CA960202014P3 Line · cracked(CAN)#1 ENGINE ROLLED BACK TO MIN FLOW ON INBOUND. POST FLIGHT INVESTIGATION FOUND THE LINE FROM THE COMPRESSOR TO THE P3 FILTER CRACKED AT THE FLANGE FITTING. THE LINE WAS REPLACED AND THE AIRCRAFT RETURN ED TO SERVICE.SDR 96ZZZX1099Carburetor · defectiveINSPECTION FOUND CARBURETOR COMPOSITE FLOATS BLACK AND CARBONED. IN ADDITION, THROTTLE ARM WORN. TWO PIECE VENTURI WAS INSTALLED.SDR 96ZZZX779Float Bracket · brokenENGINE LOST POWER IN CRUISE FLIGHT. AFTER SAFE LANDING AT NEARBY AIRPORT, REMOVED CARBURETOR AND DISASSEMBLED. FOUND FLOAT BRACKET BROKEN IN BEND RADIUS ALLOWING EXCESS FUEL TO ENTER CARBURETOR WHEN FLOAT VALVE COULD NOT SEAT. BEND RADIUS OF FLOAT BRACKET SDR CA960202006Drive · stripped(CAN)THIS ENGINE HAD A PREVIOUS PROBLEM WHERE THE FUEL CONTROL UNIT SEIZED AND STRIPPED THE FCU DRIVE. THE ENGINE WAS SHIPPED FOR REPAIR, BUT IT APPEARS THE DAMAGED PART (DRIVE) WAS MISSED AND WAS REINSTAL LED ON THE ENGINE. IT WORKED FOR APPROXIMATELY 60 HOURSDR AU960102Bushing · worn(AUS) CARBURETTOR THROTTLE SHAFT PNO 13-1521 AND BUSHINGS PNO 60-260 HAD EXCESSIVE CLEARANCE DUE TO WEAR IN THE BUSHINGS WHICH WERE WORN THROUGH CAUSING WEAR IN THE BODY OF THE CARBURETTOR AS WELL - ACCELERATOR PUMP LEVER PNO 155-226 AND CONNECTING ROD PNO17-3SDR CA960131009Nozzle Assembly · malfunctioning(CAN) AT GROUND RUN-UP AT 15 DEGREES C AT 1700 RPM, SAME PROBLEM AS SDR 960131010. THE NOZZLE HAD BEEN CHANGED ON 3 APRIL 1995. THE AIRCRAFT WAS FLOWN FOR 436.9 HOURS WITHOUT A SIMILAR PROBLEM - HAVE CHANGED THE CARBURETOR, INSTALLED MA-3SPA P/N 10-4894V, S/N SDR CA960131004Fuel Contrl Unit · faulty(CAN)ON START #1 ENGINE FUEL FLOW INDICATED 250 LBS WITH START TEMPERATURE RISING TO MAXIMUM LIMITS. THE START WAS ABORTED. AFTER ALLOWING FOR A COOLING DOWN PERIOD A FURTHER TWO STARTS WERE UNSUCESSFUL. T HE FUEL CONTROL UNIT AND THE HP FUEL PUMP WERE REPLACESDR CA960131010Nozzle Assembly · poor operation(CAN) ON GROUND RUNUP AT -15 DEGREES C AT 1700 RPM, A DROP OF 300-400 RPM WITH FLAME THROWBACK AND GREAT HESITATION. WITH ENGINE HEAT, INCREASED RPM TO 2000. AFTER 15 MINUTES OF GROUND RUNNING THE DROP WAS WITHIN ACCEPTABLE LIMITS. WHEN THE AIRCRAFT WAS ON FINSDR CA960116006Fcu · erratic(CAN)THIS FUEL CONTROL UNIT WAS REMOVED DUE TO MALFUNCTION CAUSED BY THE MAXIMUM POWER ADJUSTMENT SETTING BEING BOTTOMED OUT. ONE MONTH LATER THIS SAME FCU WAS SENT BACK FOR OVERHAUL DUE TO TORQUE JUMPING ERRATICALLY.SDR CA960202025Fcu · faulty(CAN)IN CLIMB #1 ENGINE PARAMETERS DECREASED AND PILOT SHUT THE ENGINE DOWN. THE #1 ENGINE MAIN FUEL CONTROL UNIT (MFCU) WAS REPLACED AND THE AIRCRAFT WAS RETURNED TO SERVICE.SDR 96ZZZX469Seat Valve · looseENGINE QUIT ON TAKEOFF. DISASSEMBLED CARBURETOR AND INSPECTION FOUND SEAT VALVE HAD NOT BEEN PROPERLY TORQUED. SEAT WORKED LOOSE AND LOWERED FLOAT LEVEL TO WHERE ENGINE COULD NOT DEVELOP FULL POWER. CARBURETOR OVERHAULED 10-95.SDR 96ZZZX468Throttle Body · crackedINSPECTION FOUND THROTTLE BODY IS CRACKED ABOVE P/N 43-648 IDLE MIXTURE ADJUSTING NEEDLE. THE CRACK EXTENDS FROM THE MOUNTING FACE DOWN TO THE IDLE MIXTURE BOSS AND BACK TO THE MOUNTING FACE. THIS IS THE SECOND OCCURRENCE THIS MONTH.SDR 96ZZZX366Pug · missingCARBURETOR WAS FOUND TO HAVE A PLUG MISSING FROM FUEL BOWL. THE OPEN HOLE WAS ABOVE THE NORMAL FUEL LEVEL IN THE BOWL; HOWEVER, FUEL WAS FREE TO LEAK OUT WHEN THE A/C IS POSITIONED IN A NOSE DOWN PITCH. FUEL STAINS WERE NOTED. THIS PLUG WAS USED TO PLUG A HSDR 96ZZZX467Throttle Body · crackedINSPECTION FOUND THROTTLE BODY IS CRACKED ABOVE P/N 43-648 IDLE MIXTURE ADJUSTING NEEDLE. THE CRACK EXTENDS FROM THE MOUNTING FACE DOWN TO THE IDLE MIXTURE BOSS AND BACK TO THE MOUNTING FACE.
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