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 98ZZZX2090Bellows · failedDURING CRUISE FLIGHT, NR 1 ENGINE FAILED. RUN-ON LANDING CONDUCTED AT ABBEVILLE AIRPORT, NO DAMAGE OR INJURIES.SDR 98ZZZX2087Valve Sleeve · separatedDURING SHOP INSPECTION FOR DECELERATION OF ENGINE, FOUND FUEL CONTROL BONDING ON SLEEVE SEPARATED.SDR 98ZZZX1852Float · detachedWEAR WHERE CARBURETOR FLOAT NEEDLE RIDES. PIVOT POINT VERY LOOSE. FLOAT DETACHED. PRECISION HAS NEW FLOAT THAT IS COMPOSITE. THE ONLY INDICATION WAS THAT THE CARBURETOR WAS DRIPPING AFTER A FLIGHT.SDR HEEA0014051Fuel Control · malfunctionedFUEL CONTROL MALFUNCTION. WILL NOT TOP. DROOPS AT 90 PERCENT TORQUE. UNIT HAS EXPERIENCED STARTING PROBLEMSSDR AU980473Fcu · malfunctioned(AUS) FUEL CONTROL UNIT FAULTY. NO FUEL FLOW INDICATION. SUSPECT FUEL VALVE STUCK IN CLOSED POSITION.SDR 98ZZZX2939Servo Screen · contaminatedAIRCRAFT LOST POWER. POWER LOSS WAS DUE TO VERY FINE FIBERGLASS PARTICLES IN THE ENGINE'S FUEL SERVO FUEL SCREEN. RECOMMEND REMOVING SAID SCREEN AND CLEANING WITH COMPRESSED AIR AND SOLVENT EVERY 25 HOURS IN SERVICE. INSPECT FOR ANY REMAINING DEBRIS, THEN RESDR 98ZZZX1620Fuel Control · defectiveFUEL CONTROL BEARING - BLUE GREASE WASHED OUT. SENT FOR REPAIR. CNTRL NR 98-4-7.SDR CA980416007Valve · blocked(CAN) ON TAKEOFF, AT 1,100 FEET, THE ENGINE QUIT. THE PILOT RESTARTED THE ENGINE, BUT IT RAN ROUGH AND WOULD NOT EXCEED 1,700 RPM. PILOT RETURNED TO BASE. THE CARBURETOR WAS REMOVED AND TWO STONES, OF A SMOOTH CYLINDRICAL SHAPE OF PORCELAIN OR CERAMIC LIKE SDR 98ZZZX1655Carburetor · wornFUEL INLET FITTING HAD STRIPED THREADS OUT OF CARBURETOR HOUSING AND LEAKING FUEL. INSTALLED REBUILT PART.SDR AU980399Fcu · malfunctioned(AUS) RIGHT ENGINE FUEL CONTROL UNIT (FCU) FAULTY.SDR 98ZZZX2634Carburetor · misoverhauledDURING DISASSEMBLY FOR REPAIR, NOTED THAT ALL INSTALLED COTTER PINS WERE STANDARD STEEL HARDWRE AND NOT THE STAINLESS STEEL COTTER PINS SPECIFIED IN THE ILLUSTRATED PARTS LIST OF THE APPROPRIATE COMPONENT MM.SDR AU980441Lever · broken(AUS) ENGINE THROTTLE CONTROL LEVER BROKEN AT STEEL BUSH INSERT END.SDR AU980439Fcu · faulty(AUS) NR 1 ENGINE FUEL CONTROL UNIT FAULTY. PART TC: 27,087.SDR AU980331Tube · separated(AUS) CARBURETOR ACCELERATOR PUMP DISCHARGE TUBE SEPARATED AND FELL INTO THE AIRBOX.SDR CA980330024Plug · missing(CAN) DURING INSPECTION A BLUE FUEL STAIN WAS SEEN ON THE CARBURETOR. FURTHER INVESTIGATION REVEALED THE IDLE DRILL PLUG SCREW WAS MISSING. THE CARBURETOR WAS SENT FOR REPAIR.SDR CA980415023Py Line · cracked(CAN) DUE TO EXCESSIVE VIBRATION ON NR 2 ENGINE CAUSED BY FAULTY STARTER/GENERATOR, THE PY LINE CRACKED RESULTING IN A DROP IN NG.SDR CA980318003Fuel Control · surges(CAN) ENGINE SURGING ON TAKEOFF, AIRCRAFT RETURNED TO BASE. FUEL CONTROL UNIT REPLACED AND AIRCRAFT RETURNED TO SERVICE.SDR 98ZZZX1476Plug · missingFOLLOWING TAKEOFF, ENGINE RUNNING ROUGH AND FIRE ERUPTED. AFTER LANDING, INSPECTION FOUND FIRE IN ENGINE COMPARTMENT DUE TO MISSING DRAIN PLUG FROM CARBURETOR BOWL. NO SAFETY WIRE EVIDENT.SDR 98ZZZX1147Fuel Control · malfunctionedENGINE STILL HAVING DELAYED STARTS. ENGINE FLAMED OUT AT IDLE. RESTARTED WITH THE START PUMP ON, AND FLAMED OUT DURING THE START SEQUENCE. RESTARTED AGAIN, MADE IT TO IDLE, BUT FLAMED OUT AGAIN. REMOVED THE FUEL CONTROL AND INSTALLED A DASH 28 UNIT. NO FUSDR CA980406023Fcu · malfunctioned(CAN) ROTOR RPM WOULD DROP AS LOW AS 377 RPM EACH TIME A POWER DEMAND WAS MADE. NR WOULD ALWAYS RECOVER WITHIN 3-4 SECONDS. FCU REPLACED.SDR CA980318020Carburetor · defective(CAN) ENGINE HAD JUST OVERHAULED AND FOUND TO BE RUNNING ROUGH IN THE LOW RPM RANGE. DIFFICULTY FOUND IN ADJUSTING IDLE MIXTURE. AFTER REVIEWING FAA AD 98-01-06 DECISION TO REPLACE CARBURETOR WAS MADE. CARBURETOR REMOVED HAD THE ONE PIECE VENTURI.SDR 98ZZZX972Carburetor · defectiveINSPECTION OF THE CARBURETOR DETERMINED THE THROTTLE ARM BECAME LOOSE ON THE SHAFT. THIS CONDITION RESULTED IN LOSS OF CONTROL OF ENGINE RPM. THE NUT AND COTTER PIN WERE INTACT. SUSPECT THE ORIGINAL INSTALLATION WAS NOT PROPERLY INSTALLED AND TORQUED ALLOWISDR 98ZZZX4519Fcu · wornFUEL PRESSURES ARE UNSTABLE AND FLUCTUATING. THE ENGINE DRIVEN FUEL PUMP AND FUEL CONTROLLER ARE REPLACED AND THE PROBLEM SOLVED. SUBMITTER SUGGESTED POSSIBLE CAUSE AS DEFECTIVE PARTS OR ASSEMBLY PROCESS OF THE PUMP AND FUEL CONTROLLER AT RE-MANUFACTURE OF TSDR CA980317009Hydro Mech Unit · faulty(CAN) DURING CLIMB AT FL200 NR 1 ENGINE TORQUE STARTED TO DECREASE. WITH NR 1 ENGINE POWER LEVER FULLY FORWARD NR 1 ENGINE TORQUE WAS 20 PERCENT LOWER THAN NR 2 ENGINE. AIRCRAFT DIVERTED. HYDRO MECHANICAL UNIT (HMU) AND FUEL PUMP REPLACED.SDR HEEA0012971Fuel Control · malfunctionFUEL CONTROL DEFECTIVE. BENCH CHECK AS RECEIVED DUE TO: REPORTED ENGINE SHUTDOWN, ONCE 60% N1 SPEEDS ARE REACHED DURING START UP.SDR CA980317003Hydro Mech Unit · erratic(CAN) TAKEOFF REJECTED DUE TO NR 1 ENGINE TORQUE FLUCTUATING BETWEEN 85-95 PERCENT. HYDRO MECHANICAL UNIT (HMU) TESTED, FAILED DELASTIC POTENTIOMETER TEST. HMU REPLACED.SDR AU980075Washer · worn(AUS) CARBURETTOR MIXTURE SHAFT RETAINING RING WORN AND LOOSE ALLOWING THE MIXTURE SHAFT TO MOVE FROM ITS NORMAL POSITION. THIS CAUSED A RICH CUT WHEN THE ENGINE WAS BROUGHT BACK TO IDLE FOR LANDING.SDR 98ZZZX830Carburetor · floodsENGINE RAN ROUGH AND WANTED TO QUIT AT LOWER POWER SETTINGS. POST INCIDENT INSPECTION WITH THROTTLE OFF AND MIXTURE IDLE CUT-OFF, BOOST PUMP ON, FUEL POURED OUT OF CARBURETOR. CARBURETOR SENT BACK TO CONSOLIDATED. SUBMITTER SUSPECTED FLOAT PROBLEM.SDR AU980138Plunger · damaged(AUS) CARBURETTOR ACCELERATOR PUMP PLUNGER LEATHER CAP TORN IN TWO PLACES.SDR 98ZZZX801Plunger · damagedFOUND SMALL SCARS ON SIDE OF ACCELLERATOR PUMP LEATHER, CAUSED FAULTY ACCELLERATION. REPLACED WITH NEW UNIT. ACCELLERATOR PUMP DID WORK.SDR 98ZZZX713Float · misadjustedINSPECTION FOUND FLOAT BRASS SLIGHTLY WORN WHERE NEEDLE RIDES AGAINST ADJUSTMENT TAB CAUSING FLOAT LEVEL TO BE ABNORMALLY HIGH LEADING TO RICHER MIXTURE. RESET FLOAT LEVEL.SDR CA980317052Fuel Control · damaged(CAN) FUEL CONTROL UNIT WAS LEAKING. INLET SIDE FROM FUEL PUMP WAS ENLARGED CAUSING O RING ON TUBE TO ALLOW FUEL TO ESCAPE. FCU WAS REPLACED WITH ONE OFH IGHER MOD STATUS. ROLLS ROYCE SUGGESTED THAT THE FCU WAS MOVING ON ITS THREE MOUNTS. NEW UNIT HAD BUSHINGSSDR AU980027Spring · rusted(AUS) LH CARBURETTOR CHOKE RETURN SPRING RUSTED AND BROKEN.SDR CA980113003Float · broken(CAN) FUEL DRIPPING HEAVILY FROM CARBURETOR AFTER ENGINE SHUTDOWN. CARBURETOR REMOVED AND DISASSEMBLED. CARBURETOR FLOAT PONTOON SEPARATED FROM STRUCTURE, IT APPEARS BOTH SUPPORT TANGS RADII ARE TOO SMALL WHICH LEADS TO FAILURE FIRST, LOADING THE SOLDER JOINSDR DKAA97002Fuel Control · malfunctionedNR 2 ENGINE FLAMED OUT AT FL 33.5 AND FL 27.3. PERFORMED BORESCOPE INSPECTION, NO DEFECTS NOTED. REPLACED NR 2 ENGINE FUEL CONTROL UNIT AND PERFORMED POWER ASSURANCE CHECKS. AIRCRAFT TEST FLOWN TO FL 350, ACCELERATION CHECKS PERFORMED, ALL CHECKS GOOD. AIRSDR 98ZZZX1001Servo · corrodedCORROSION FOUND INSIDE FUEL INJECTOR SERVO DIAPHRAGM SECTION WAS IMPEDING MOVEMENT OF DIAPHRAGM RESTRICTING FUEL FLOW. SUBMITTER SUSPECTED WATER LAYING IN THIS AREA CORRODING SMALL SECTION OF INJECTOR HOUSING CAUSED GROWTH OF CORROSION DEPOSIT. LAB REPORT ON SDR CA971222012Fuel Control · failed(CAN) THE NR 2 ENGINE WAS SHUT DOWN AT 5,000 FEET FOLLOWING ZERO TORQUE AND 300 DEGREE CELSIUS ITT INDICATION. THE AIRCRAFT CONTINUED TO DESTINATION AND MADE AN UNEVENTFUL SINGLE ENGINE LANDING. POST-FLIGHT INSPECTION FOUND THE MAIN FUEL CONTROL UNIT (MFCU) SDR CA971223011Carburetor · failed(CAN) SEVERE CARBURETOR FLOODING ON GROUND RUN-UP, HARD STARTING AND FOULING OF SPARK PLUGS. FUEL WAS SEEN LEAKING FROM THE CARBURETOR. ENGINE FAILED TO SHUTDOWN USING MIXTURE CONTROL AND SEVERE BACKFIRING OCCURRED. THE CARBURETOR WAS REPLACED AND THE PROBSDR AU971654Fcu · faulty(AUS) NO2 ENGINE FUEL CONTROL UNIT FAULTY.SDR 97FDEA00885Fuel Control · malfunctionINFLIGHT, NUMBER 2 THROTTLE BINDING. PERFORMED NR 2 ENG THROT PULL CK, CKS GOOD. REMOVED AND REPLACED NR 2 ENG FUEL CNTRL AND FUEL DIFF PRESS SWITCH LEAK AND OPER CK GOOD PER M/M 73-21-0 AND JET RUN HDBK 6-39. PULL CK PER 76-11-0. INSP CABLE AND PULLEY IN SDR AU971531Pin · missing(AUS) TAPER PIN SECURING THROTTLE LEVER PN CH46158 TO THE THROTTLE SPINDLE PN CH14470 MISSING. THIS ALLOWED THE THROTTLE LEVER TO MOVE WITHOUT MOVING THE THROTTLE BUTTERFLY.SDR HEEA0012116Fuel Control · leakingFUEL CONTROL LEAKING THROUGH WEEP HOLE AT BOTTOM OF FUEL CONTROL. REPLACED WITH SERVICEABLE FUEL CONTROL.SDR AU971497Sensor · fod(AUS) NO1 ENGINE P2 INLET BLOCKED BY A WASP.SDR 97ZZZX4952Nut · missingALL FOUR NUTS, FLAT AND LOCK WASHERS, WERE DISCOVERED MISSING FROM THE FOUR STUDS ON THE INTAKE MANIFOLD THAT THE CARBURETOR IS MOUNTED ON. PROBLEM DISCOVERED WHEN ENGINE FAILED ON LANDING AND WOULD NOT RESTART. CURRENT COMBINATION OF NUT, LOCK WASHER AND FLSDR 97ZZZX5128Carburetor · wornINSPECTION OF ENGINE AFTER EMERGENCY LANDING FOUND WHEN MIXTURE WAS FULL RICH, MIXTURE LEVER ON CARBURETOR COULD BE PUSHED TO FULL LEAN WHILE CONTROL CABLE STAYED. CABLE ATTACH BOLT WAS NOT WORN AT ALL, BUT CONTROL LEVER DID HAVE A GROOVE WORN INTO IT ALLOWINSDR 98ZZZX58Servo · corrodedDURING FLIGHT, ACFT ENGINE LOST POWER FOLLOWING A ONE 'G' POSITIVE MANEUVER. INVESTIGATION FOUND FUEL INJECTION SERVO WAS HANGING UP. SUSPECT CORROSION AND LACK OF LUBE.SDR 98ZZZX84Bellows · failedHELICOPTER LOST ENGINE POWER IN-FLIGHT. DURING GROUND RUN TROUBLESHOOTING PROCESS, THE ENGINE WOULD NOT OPERATE ABOVE 1500 RPM. THE MARVEL SCHEBELER (MODEL MA-6AA, SN AH-1-383) CARBURETOR WAS BENCH TESTED BY THE NTSB AND WOULD ONLY PERFORM APPROXIMATELY 50 PSDR 97ZZZX4842Fuel Metering · obstructedPILOT NOTED REDUCED FUEL FLOW AND SOME POWER LOSS ON CLIMB-OUT. RETURNED TO AIRPORT. INVESTIGATION FOUND .3750 INCH LONG BY .1250 INCH WIDE PIECE OF FERROUS MATERIAL LODGED IN FUEL METERING UNIT DOWNSTREAM OF INLET SCREEN RESTRICTING FUEL FLOW. OBJECT SENT SDR CA971112005Fcu B-Nut · loose(CAN) TAKEOFF WAS ABORTED WHEN NR 2 ENGINE TORQUE FAILED TO MEET TARGET. TROUBLESHOOTING REVEALED A LOOSE "B" NUT ON THE P3 LINE TO THE MAIN FUEL CONTROL UNIT. PART TC: 13,987.SDR CA971113056Fuel Contrl Unit · leak(CAN) FUEL LEAKING FROM THE FUEL CONTROL UNIT THROTTLE SHAFT INTERCONNECT SIDE.
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