Lycoming O-320-D3G

Service difficulty reports · 279

Newest first. General aviation reporting is voluntary.

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 engine_model_key = 'O320D3G'
  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 AU971342Valve · sticking(AUS) ENGINE EXHAUST VALVE STUCK AND PUSHROD DEFORMED.Jan 18, 1997 · Cessna 172N · Reciprocating Engine Cylinder SectionSDR 97ZZZX184Carburetor Tube · looseIN FLIGHT, RPM WOULD NOT DECREASE BELOW 2000 RPM. INVESTIGATION FOUND ACCELERATOR PUMP NOZZLE DISLODGED AND LYING IN AIR BOX. CARBURETOR SENT TO REPAIR STA. FOR OVERHAUL. SUSPECT NOZZLE ADHESIVE BROKEN LOOSE WHEN SINGLE PIECE VENTURI WAS INSTALLED AT 1865 HDec 2, 1996 · N21428 · Piper PA28161 · Fuel Control/Reciprocating EnginesSDR BIER960036Cylinder · crackedDURING INSPECTION OF NR 4 CYL COMBUSTION DOME FOR UNRELATED PROBLEM FOUND SEVERAL STRESS RELATED CRACKS IN DOME IN AREA BETWEEN EXH VALVE AND BOTTOM SPARK PLUG. THE CRACKS WERE SPREAD OUT AND NOT CONTAINED IN ONE PARTICULAR AREA. ONE CRACK HAD OPENED TO APPROct 18, 1996 · N8071S · Piper PA28161 · Reciprocating Engine Cylinder SectionSDR 96ZZZX4232Crankshaft · crackedTHE AIRCRAFT COMPLETED AN UNSCHEUDLED ON AIRPORT EMERGENCY LANDING DUE TO OIL SPRAYING ON THE WINDSHIELD. THE CRANKSHAFT WAS FOUND CRACKED AT THE RADIUS BY THE PROPELLER FLANGE. (APPROXIMATELY 1.75 INCH VISIBLE.)Aug 21, 1996 · N84652 · Piper PA28161 · Reciprocating Engine Power SectionSDR AU961185Shaft · worn(AUS) PILOTS SHOULDER BELT INERTIA REEL CENTRE SHAFT BROKEN - INVESTIGATION FOUND THAT THE STAINLESS STEEL BELT GUIDE HAD WORN THROUGH THE CENTRE SHAFTAug 7, 1996 · Piper PA28161 · Flight Compartment EquipmentSDR 96ZZZX4007Stud · corrodedDURING ENGINE TEAR DOWN FOLLOWING ACCIDENT, CRANKCASE HALF NUT ON NR 4 BEARING STUDS SEIZED RESULTING IN STUD BACKING OUT OF CRANKCASE. UPON REMOVAL, FOUND BOTH NR 4 BEARING CRANKCASE STUDS HEAVILY CORRODED/RUSTED. ALSO, HAD GLASS BEADS IN STUD RECEPTACLES. Jul 19, 1996 · N145ND · Piper PA28161 · Reciprocating Engine Power SectionSDR AU960931Intake · blocked off(AUS) COCKPIT AIR INTAKE ILLEGALLY MODIFIED (SEALED OFF) PREVENTING AIR INTAKE INTO COCKPIT AND CAUSING LACK OF OXYGEN TO PILOT AND PASSENGER - TWO MONTHS PRIOR TO THIS INCIDENT THE PILOT SEALED THE COCKPIT AIR INTAKE OPENING LOCATED IN FRONT OF THE NOSE WHEELJul 8, 1996 · Amtr VARIEZE · Air Distribution SystemSDR AU960944Crankshaft · cracked(AUS) CRANKSHAFT CRACKED INTERNALLY - CRACK LENGTH APPROXIMATELY 50MM (2IN) - THE CRACK WAS LOCATED AT THE BASE OF A CORROSION PIT AND WAS FOUND AFTER THE INTERNAL DIAMETER WAS HONED TO REMOVE THE PIT - FOUND DURING INTERNAL CORROSION INSPECTION OF A CRANKSHJul 5, 1996 · Reciprocating Engine Power SectionSDR 96ZZZX3427Seal · looseOUTER CIRCUMFERENCE OF SEAL IS NOT A TIGHT FIT TO THE CRANKCASE. AFTER SEAL IS INSTALLED, SEAL IS ABLE TO ROTATE. NO SEALANT IS RECOMMENDED IN THE OVERHAUL OR SERVICE MANUALS, P/N LW13792 AND SL 13792 SEALS.Jun 24, 1996 · N8318H · Piper PA28161 · Reciprocating Engine Power SectionSDR AU960785Torque Link · sheared(AUS) RH MAIN LANDING GEAR SEPARATED FROM AIRCRAFT DUE TO OLEO TOP TORQUE LINK SHEARINGJun 4, 1996 · Piper PA28161 · Main Landing Gear Strut/Axle/TruckSDR AU960779Rotor · failed(AUS) MAGNETO ROTOR FAILED AT THE BASE OF THE CAM RECESSMay 30, 1996 · Piper PA28161 · Magneto/DistributorSDR AU960668Cylinder · cracked(AUS) NO2 CYLINDER CRACKED IN AREA OF EXHAUST PORT - CRACKING ALSO FOUND BETWEEN THE VALVE SEATSMay 23, 1996 · Piper PA28161 · Reciprocating Engine Cylinder SectionSDR 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.Apr 23, 1996 · N3457Q · Piper PA28161 · Fuel Control/Reciprocating EnginesSDR 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.Apr 10, 1996 · N3567P · Piper PA28161 · Fuel Control/Reciprocating EnginesSDR AU960438Control Cable · frayed(AUS) STABILATOR TRIM CABLE FRAYED AROUND TURN BARREL AT THE AIRCRAFT TAIL - THE CABLE WAS FRAYED FOR APPROXIMATELY A QUARTER OF THE CABLE DIAMETERMar 26, 1996 · Piper PA28161 · Stabilizer Control SystemSDR 96ZZZX856Crankshaft · pittedDURING 100-HOUR ENGINE INSPECTION FOR AIRCRAFT ANNUAL INSPECTION, LYC SB 505A WAS C/W AND THE CRANKSHAFT FOUND PITTED IN THE AREA NOTED IN SB 505A. ENGINE WAS REMOVED AND REPLACED WITH A LYC FACTORY OVERHAULED. AFTER REMOVAL OF THE CRANKSHAFT PLUG, THE INTERFeb 6, 1996 · N4333C · Piper PA28161 · Reciprocating Engine Power SectionSDR 95ZZZX6545Crankcase · crackedDURING ENGINE INSPECTION, TECHNICIAN TRACED OIL LEAK TO A CRANKCASE CRACK IN THE AREA OF THE ALTERNATOR MOUNT BOSS. CRACK IS IN THIS AREA OF RIGHT CRANKCASE HALF LESS THAN .25 INCH FORWARD OF SECOND CRANKCASE BOLT HOLE (FROM FRONT OF ENGINE). NEW ENGINE BEINOct 26, 1995 · N118ND · Piper PA28161 · Reciprocating Engine Power SectionSDR 95ZZZX4013Camshaft · wearCAMSHAFT PURCHASED FORM AIR SUPPORT INTERNATIONAL, INC. CAMSHAFT WAS OVERHAULED AT AIRCRAFT SPECIALTIES SERVICES, FAA REPAIR STATION DD2R764K. CAMSHAFT SHOWED SIGNS OF PREMATURE WEAR. SUBMITTED BY EXECUTIVE FLYERS 141 SCHOOL LP8S302Q.Aug 1, 1995 · N2180E · Piper PA28161 · Reciprocating Engine Power SectionSDR 95ZZZX5648Ring · brokenPILOT MADE EMERGENCY LANDING DUE TO POWER LOST. FOUND NR 1, NR 3 BOTTOM SPARK PLUGS OIL FOULED. REMOVED THE CYLINDERS AND FOUND BROKEN COMPRESSION RINGS. TSO NR 1 CYLINDER, 1600 HRS. TSO NR 3 CYLINDER, 777 HRS.Jul 29, 1995 · N8351W · Piper PA28161 · Reciprocating Engine Cylinder SectionSDR 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 · Fuel Control/Reciprocating EnginesSDR 95ZZZX3197Engine · failedAIRCRAFT ENGINE QUIT IN-FLIGHT. NO SUDDEN STOPPAGE. SEVERAL ATTEMPTS TO RESTART N.G. ACFT LANDED ON RUNWAY (MMK) OKAY. NO DAMAGE. INITIAL INVESTIGATION REVEALS CAMSHAFT DOES NOT ROTATE. ENGINE CRATED AND SENT TO LYCOMING FOR FURTHER INVESTIGATION. FAA TMay 28, 1995 · N71BJ · Piper PA28151 · Engine (Reciprocating)SDR 95ZZZX2727Valve · wornENGINE RAN ROUGH AT IDLE AND LOUD MECHANICAL NOISES WERE REPORTED. VISUAL INSPECTION OF ENGINE BEFORE DISASSEMBLY SHOWED ZERO VALVE STEM TO ROCKER CLEARANCE. DISASSEMBLY OF CYLINDER SHOWED EXHAUST VALVE PN AL19001 WORN EXCESSIVELY IN THE RETAINER GROOVE. REMay 17, 1995 · Reciprocating Engine Cylinder SectionSDR 95ZZZX2541Valve Guide · crackedDURING CYLINDER REPAIR, THE EXHAUST GUIDE WAS FOUND CRACKED IN THE LOWER PORTION OF THE GUIDE.Apr 19, 1995 · N164ER · Piper PA28161 · Reciprocating Engine Cylinder SectionSDR 95ZZZX2542Valve Guide · crackedDURING CYLINDER REPAIR, THE EXHAUST GUIDE WAS FOUND CRACKED IN THE LOWER PORTION.Apr 19, 1995 · N167ER · Piper PA28161 · Reciprocating Engine Cylinder SectionSDR 95ZZZX2734Cylinder · failedPILOT DECLARED AN EMERGENCY SHORTLY AFTER TAKEOFF DUE TO ROUGH RUNNING ENGINE. FOUND NR 4 CYLINDER HAD .50 INCH DIAMETER PIECE OF ALUMINUM BURNED OUT NEAR EXHAUST VALVE SEAT. POSSIBLY CAUSED BY PRE-IGNITION OR DETONATION. APPROXIMATELY 300 HOURS PRIOR, ENGIApr 18, 1995 · N8115H · Piper PA28161 · Reciprocating Engine Cylinder SectionSDR 95ZZZX2956Engine · failedENGINE FAILED TO MAKE POWER TO MIN. STATIC R.P.M. AFTER ANNUAL. TEAR DOWN SHOWED WEAR IN CAM LOBES, ONE CYLINDER CRACKED, BAD LIFTERS, BAD PISTON, 685 HOURS S.M.O.H. SUBMITTER SUGGESTS BETTER Q.C.Apr 17, 1995 · N9106Y · Piper PA28161 · Engine (Reciprocating)SDR 95ZZZX2183Cylinder · crackedENGINE ROUGH. FOUND NR 2 CYLINDERS CRACKED WHERE HEAD AND BARREL ATTACH.Apr 12, 1995 · N38897 · Piper PA28161 · Reciprocating Engine Cylinder SectionSDR 95ZZZX1709Guide · crackedDURING CLYLINDER OVERHAUL, THE EXHAUST VALVE GUIDE WAS FOUND CRACKED ON THE LOWER PORTION.Mar 8, 1995 · N167ER · Piper PA28161 · Reciprocating Engine Cylinder SectionSDR 95ZZZX824Sparkplug · meltedWHEN REMOVING PLUGS FOR 100-HOUR INSPECTION, 2 PLUGS WERE FOUND WITH MELTED AND DEFORMED CENTER ELECTRODES. THERE WAS NO EVIDENCE OF FOREIGN MATTER INSIDE OF CYLINDER. THIS CONDITION WAS NOTED ON ANOTHER PLUG IN ANOTHER PLANE AS WELL. SPARKPLUG MFG BY AUBURJan 12, 1995 · N8285B · Piper PA28161 · Spark Plug/Igniter
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