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 98ZZZX3414Bowl · crackedCARBURETOR BOWL ASSY (PN 10-3075) FOUND CRACKED NEAR THROTTLE BODY TO BOWL ATTACH SCREW BOSS ON THE LEFT SIDE OF THE BOWL ASSEMBLY. THE CRACK IS APPROXIMATELY .50 INCH IN LENGTH AND APPEARS TO BE CASTING FLAW. THIS CRACK ALLOWED FUEL TO SEEP FROM THE CARBURESDR 98ZZZX3994Pump · mismanufacturedTHE LEATHER PORTION OF THE P/N 194-605 IS NOT DEEP ENOUGH TO COVER THE EXPANDER SPRING WHICH WILL ALLOW THE EXPANDER SPRING TO RUB ON THE ACCELERATOR PUMP WELL.SDR 98ZZZX3995Pump · mismanufacturedTHE LEATHER PORTION OF THE P/N 194-605 IS NOT DEEP ENOUGH TO COVER THE EXPANDER SPRING WHICH WILL ALLOW THE EXPANDER SPRING TO RUB ON THE ACCELERATOR PUMP WELL.SDR 98ZZZX3680Cable · detachedTHROTTLE CABLE ATTACHMENT CAME LOOSE AT CARBURETOR. A .0625 INCH CABLE WAS THROUGH A BARREL AND SECURED WITH A NR 6 SET SCREW. THE CABLE CAME LOOSE FROM THE LINKAGE CAUSING LOSS OF THROTTLE CONTROL RESULTING IN LOSS OF POWER AND THROTTLE CONTROL AND SUBSEQUESDR HEEA0015636Fuel Control · leakingAIR LEAKING FROM DERICH ADJUSTMENT. CAUSING EXCESSIVE ADJUSTMENT ON N2. INSPECTED UNIT WHEN RECEIVED IN SHOP. APPLIED SHOP AIR TO FUEL CONTROL AND LEAK CHECKED UNIT. FOUND NO LEAKS AT START DERICH SECTION AS STATED IN DESCRIPTION OF DIFFICULTY. NOTE: ONLSDR CA980819013Valve · worn(CAN) AIRCRAFT ENGINE LOST POWER DURING CRUISE. CARBURETOR REMOVED FOR INSPECTION. THE FLOAT NEEDLE VALVE WAS FOUND WORN AT THE BEADED EDGE. ROTAX TECHNICAL BULLETIN NR 912-05R2 HAS ILLUSTRATED PICTURES OF A FAILED FLOAT NEEDLE VALVE.SDR 98ZZZX4093Bolt · misinstalledPILOT REPORTED WHILE IN LANDING PATTERN, WHEN THE CARBURETOR HEAT CONTROL WAS MOVED TO 'COLD' POSITION, THE THROTTLE CONTROL ADVANCED TO A HIGHER POWER SETTING. EXAMINATION REVEALED THAT UNDER SOME CIRCUMSTANCES, THE CLEVIS PIN THAT ATTACHED THE CARBURETOR HESDR AU981016Fcu · faulty(AUS) NR 2 ENGINE FUEL CONTROL UNIT INTERNAL FAULT. PART TC: 521.SDR 98ZZZX3239Float · failedFIRE IN ENGINE COWL AREA. HOT START. PROBLEM TRACED TO FAILED FLOAT IN CARBURETOR. TANK CAME LOOSE DUE TO MANUFACTURER DEFECT - MISSED SOLDER POINT.SDR AU980970Bracket · failed(AUS) CARBURETOR FLOAT BRACKET BROKEN. PART TC: 208.SDR 99ZZZX962Arm · brokenARM BROKE. REPLACED ARM. SYSTEM OPERATED NORMALLY. ARM COMES AS PART OF CONTROLLER.SDR 98ZZZX2944Spring · brokenFUEL CONTROL UNIT RETURNED TO A REPAIR AND OVERHAUL FACILITY FOR A REPORTED ENGINE DECELERATION. TROUBLESHOOTING FOUND THE FUEL CONTROL GOVERNOR SPRING BROKEN WHICH CONFIRMED THE REPORTED ENGINE DECELERATION.SDR CA981125033Fcu · faulty(CAN) ENGINE REMAINS AT IDLE WHEN THROTTLE IS ADVANCED TO FULL POWER.SDR HEEA0015237Valve Sleeve · unbondedFOUND DEFECTIVE METERING VALVE SLEEVE (UNBONDED). REPLACED METERING VALVE SLEEVE. UNIT TESTED SATISFACTORY PER TEST CALIBRATION SPECS NR 12529-01.SDR 98ZZZX2810Nipple · failedNIPPLE THAT CONNECTS CARBURETOR FINGER SCREEN TO SUPPLY LINE T-FITTING BROKE OFF IN FLIGHT CAUSING FUEL TO BE SPRAYED INTO ENGINE COMPARTMENT. FUEL IGNITED AND BURNED A HOLE THROUGH BELLY SKIN JUST AFT OF FIREWALL.SDR AU981021Fcu · faulty(AUS) NR 1 ENGINE FUEL CONTROL UNIT INTERNAL FAULT. PART TC: 8,965SDR 98ZZZX3202Fuel Servo · malfunctionedPILOT REPORTED ENGINE QUIT IN-FLIGHT AND REQUIRED A DEAD STICK LANDING. ENGINE RESTARTED ON THE GROUND AFTER A SAFE LANDING. MAINTENANCE MADE ADJUSTMENTS TO FUEL SERVO AFTER NOTICING HIGHLY ERRATIC FUEL FLOW INDICATIONS. ALL GROUND CHECKS WERE NORMAL. ACFTSDR 98ZZZX3201Fuel Servo · malfunctionedPILOT REPORTED LOSS OF ENGINE POWER AT 500 FEET AGL ON TAKEOFF AND AGAIN ON FINAL. PILOT MADE A SAFE LANDING. DURING TAXI BACK, MAINTENANCE PERSONNEL NOTICED ENGINE RUNNING EXTREMELY ROUGH. DURING TROUBLESHOOTING ON SUBSEQUENT MAINT RUNS, THE FUEL FLOW GAUGSDR 98ZZZX3200Fuel Servo · malfunctionedPILOT REPORTS ERRATIC ENGINE OPERATION AT LOW POWER SETTINGS AND APPEARED TO BE 'MISFIRING' ON FINAL. MAINTENANCE PERSONNEL RAN ENGINE AND NOTICED AT ANY RPM BELOW 1,500, ENGINE WOULD 'LOPE' AND WAS ACCOMPANIED BY ERRATIC FUEL FLOW INDICATIONS. FUEL SERVO WASDR 98ZZZX3199Fuel Servo · scoredDURING MAINTENANCE FLIGHT WHILE CHECKING THE OPERATION OF THIS FUEL SERVO, ON THE THIRD APPROACH, ENGINE STARTED TO MISS AT REDUCED POWER SETTINGS. GO-AROUND, WHEN ACFT TURNED FINAL AND UPON POWER REDUCTION, THE ENGINE LOST POWER AND UPON ADVANCEMENT OF THE TSDR 98ZZZX3198Fuel Servo · scoredWHILE DOING A GROUND RUN-UP PRIOR TO A 100-HOUR INSPECTION, MAINTENANCE NOTICED THE ENGINE, UPON REACHING OPERATING TEMP, BEGAN TO RUN ROUGH AT LOWER POWER SETTINGS. THE FUEL FLOWS ALSO WERE EXTREMELY ERRATIC. NO FURTHER ACTION HAS BEEN TAKEN. THIS IS AN ORSDR 98ZZZX3203Fuel Servo · malfunctionedPILOT REPORTED ON ENGINE RUN-UP AT LOWER POWER SETTING, ENGINE RAN ROUGH AND WAS DIFFICULT TO KEEP RUNNING. MAINTENANCE NOTICED ON GROUND RUN-UPS, ERRATIC FUEL FLOW INDICATIONS THAT CORRESPONDED WITH THE ENGINE ROUGHNESS. A NEW UNIT WAS INSTALLED AND FLIGHT SDR 98ZZZX3147Lever · separatedSERRATED BUSHING IN THROTTLE CONTROL LEVER WORE THROUGH LEVER AND SEPARATED THROTTLE CABLE FROM ENGINE. THE ENGINE IMMEDIATELY WENT TO IDLE AND PILOT LANDED AIRPLANE IN TUNDRA TOTALING THE AIRCRAFT. THE BOLT WITH PROPER HARDWARE AND TORQUE WAS STILL CLAMPINGSDR 98ZZZX3124Servo · malfunctionedDURING THE MID-AFTERNOON, AIRCRAFT HAD TO DO AN ABORTED TAKEOFF AFTER AIRCRAFT JUST BROKE GROUND AND ENGINE QUIT. AIRCRAFT WAS REFIRED AND TAXIED TO HANGAR. TEST RAN AIRCRAFT AND FOUND MIXTURE WAS EXCESSIVELY RICH. SUBMITTER STATED HAVING PROBLEMS WITH THE SDR 98ZZZX2940Bearing · failedREFERENCE: FR37729. ENGINE SHUT DOWN IN-FLIGHT. SUSPECT TBD - BEARING IN FLYWEIGHT ASSEMBLY OF FUEL CONTROL SEPARATED, LOOSE BALL BEARINGS DISPERSED THROUGHOUT FUEL CONTROL. SUBMITTER SUSPECTS FUEL CONTROL TO BE OVERHAULED. CUSTOMER: EXPRESS AIRLINES.SDR CA981202004Nozzle · separated(CAN) ENGINE POWER COULD NOT BE REDUCED BELOW 2300 RPM, THE THROTTLE APPEARED TO BE STUCK. ON THE ADVISE OF THE TOWER AND GROUND STAFF, THE PILOT SET UP AN APPROACH AND ONCE LANDING WAS ASSURED THE ENGINE WAS SHUT OFF BY SETTING THE MIXTURE TO IDLE CUTOFF. THSDR AU980791Filter · contaminated(AUS) CARBURETOR FINGER FILTER CONTAMINATED WITH LINT TYPE MATERIAL.SDR AU980763Fcu · faulty(AUS) ENGINE FUEL CONTROL UNIT P/N 629703-2 AND FUEL FLOW DIVIDER P/N 631351-17A6 FITTED TO FACTORY. REMANUFACTURED ENGINE SUSPECT FAULTY.SDR 98ZZZX2645Carburetor Bowl · looseDURING FLIGHT, PILOT REPORTED A RATTLING NOISE WHEN THE CARBURETOR HEAT WAS APPLIED. AFTER LANDING, THE ENGINE COULD NOT BE SHUT DOWN USING MIXTURE CONTROL. DURING TROUBLESHOOTING, FOUND THAT CARBURETOR BOWL ATTACHMENT BOLTS HAD COME LOOSE, BUT THE LOCKING TSDR CA980706002Lock Tab · failed(CAN) PILOT WAS UNABLE TO SHUT DOWN THE ENGINE. INSPECTION OF THE CARBURETOR FOUND THE LONG LOK TAB WASHERS ON THE SAFETY SCREWS, THAT SECURE THE FLOAT BOWL TO THE CARBURETOR BODY, HAD FAILED ALLOWING THE MIXTURE VALVE TO SEPARATE FROM ITS RECEPTACLE. SUBMITSDR CA980707042Fuel Control · failed(CAN) DURING DESCENT, POWER WAS ADDED, BUT RIGHT ENGINE WOULD ONLY PRODUCE 1150 TO 1250 FEET/POUNDS OF TORQUE. AIRCRAFT LANDED OK. GROUND RUN DID SAME, BUT AFTER 5 TO 10 SECONDS THE TORQUE JUMPED TO 2206 FEET/POUNDS. EVENTUALLY RIGHT FCU WAS REPLACED.SDR 98ZZZX3361Drive Body · crackedDURING OVERHAUL (2,500 HOUR), FOUND FUEL CONTROL WITH A CRACKED MAIN DRIVE BODY.SDR AU980633Fcu · faulty(AUS) ENGINE FUEL CONTROL UNIT FAULTY.SDR 98ZZZX2599Throttle · sticksTHROTTLE WOULD STICK WIDE OPEN AT FULL POWER. UPON DISASSEMBLY OF CARBURETOR, DETERMINED THAT WEAR OF THE FULL OPEN STOPS ON THE CARBURETOR BODY AND THROTTLE STOP ARM, THE POWER ENRICHMENT LEVER OPERATES THE AIR METERING PIN WOULD TRAVEL PAST ITS DESIGN LIMITSDR 99ZZZX632Float · stuckAIRCRAFT IS USED FOR FLIGHT TRAINING. PILOT INDUCED POWER ON STALL. AT THIS TIME, AIRCRAFT BEGAN RUNNING ROUGH DUE TO AN EXCESSIVE RICH MIXTURE. AFTER AN EMERGENCY LANDING WAS MADE, THE PILOT TAPPED ON THE CARBURETOR WITH A HAMMER HANDLE, AND RE-STARTED THSDR CA980616011Spring · broken(CAN) THE AIRCRAFT ENGINE RAN ROUGH ON RUN-UPS. INVESTIGATION FOUND THE SPRING BETWEEN THE MIXTURE AND THROTTLE CONTROL ARM WAS BROKEN/DISLODGED. THE SPRING WAS REPLACED, BUT SHORTLY AFTER BECAME DISLODGED. THE CONTINENTAL TECH REP WAS CONTACTED AND HE ADIVSSDR AU980620Shaft · stripped(AUS) LT ENGINE FUEL CONTROL UNIT (FCU) DRIVESHAFT INTERNAL SPLINES STRIPPED. PART TC: 3,325.SDR 98ZZZX3485Valve · crackedWHILE REPLACING FLOAT AND LEVER ASSY, FOUND RUBBER TIP OF FLOAT VALVE CRACKED AND DETERIORATED. REPLACED UNIT.SDR 98ZZZX3484Float · failedPILOT REPORTED ENGINE RUNNING ROUGH. FOUND FUEL DRIPPING FROM CARBURETOR HEAT BOX. DISASSEMBLY OF CARBURETOR REVEALED BRASS FLOAT HAD LEAKED AND SUNK RESULTING IN EXTREME RICH MIXTURE. REPLACED FLOAT ASSEMBLY.SDR HEEA0014488Metering Valve · faultyENGINE DECELERATED. BENCH TESTED UNIT AS RECEIVED. FOUND FLOWS TO HANG. INSPECTED UNIT AND FOUND METERING VALVE SLEEVE, P/N 2537739. UNIT TESTED. REPLACED METERING VALVE SLEEVE, P/N 2537739, WITH SERVICEABLE METERING VALVE SLEEVE, P/N 2537739. BENCH TESTSDR AU980650O-Ring · damaged(AUS) NR 1 ENGINE FUEL CONTROL UNIT `O' RING SEAL DAMAGED.SDR CA980603015Carburetor · failed(CAN) DURING CLIMB, THE ENGINE BEGAN TO RUN ROUGH. LEANING THE MIXTURE CONTROL HAD NO EFFECT. POST-FLIGHT, THE CARBURETOR WAS REPLACED AND THE AIRCRAFT RETURNED TO SERVICE.SDR AU980585Venturi · loose(AUS) CARBURETOR VENTURI LOOSE.SDR 98ZZZX2795Fuel Control · failedAFTER PICKING AIRCRAFT UP TO A HOVER TO REPOSITION, NR 1 ENGINE DECELLED. LANDED WITHOUT INCIDENT. SUSPECT INTERNAL F/C FAILURE. MAINTENANCE REPLACED FUEL MANAGEMENT SYTEM.SDR 98ZZZX2144Venturi · defectiveONE-PIECE VENTURI INSTALLED TO C/W AD 93-18-03 CAUSED DISRUPTION OF FUEL FLOW AND ENGINE WOULD NOT DEVELOP FULL POWER. SINGLE PIECE VENTURI MANUFACTURED BY CONSOLIDATED. P/N CF46-F12 WAS INSTALLED IN MARVEL SCHLEBLER MA3-SPA CARBURETOR TO C/W AD TO REPLACE 2-SDR CA980529010Support · cracked(CAN) BOTH AIRBOX SUPPORTS FOR THE CARBURETOR FUEL PAN CATCHERS WERE FOUND CRACKED.SDR CA980521009Discharge Tube · missing(CAN) WHILE PRACTICING FORCED APPROACHES, FULL POWER WAS APPLIED FOR A GO-AROUND. THE ENGINE DID NOT RESPOND AND STARTED TO COUGH, POWER WAS REDUCED AND THE AIRCRAFT LANDED. POST-FLIGHT INSPECTION FOUND A SMALL PIECE OF BRASS TUBING IN THE NR 1 SPARK PLUG. SDR 98ZZZX2537Valve Sleeve · failedDURING OVERHAUL OF FUEL CONTROL, FOUND BONDING MATERIAL ON VALVE SLEEVE BROKEN.SDR AU980703Carburetor · out of adjust(AUS) CARBURETOR OUT OF ADJUSTMENT.SDR 98ZZZX1935Fuel Control · defectiveDURING VISUAL INSPECTION OF FUEL CONTROL DURING ENGINE BUILD-UP, FOUND FUEL CONTROL DRIVE SHAFT BEARING MAKING NOISE WHEN ROTATED BY HAND, AND HAD SLIGHT RADIAL PLAY AND ROUGH FEEL WHEN SIDE LOAD WAS APPLIED AND ROTATED. SENT IN FOR REPAIR.
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