Lycoming IO-360-L2A

Service difficulty reports · 994

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 = 'IO360L2A'
  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 2019FA0000392Exhaust Valve · burnedPILOT REPORTED ROUGH RUNNING ENGINE AT 2200 RPM SPECIFICALLY. INSPECTED ENGINE SPARK PLUGS, NO DEFECTS NOTED. CHECKED IDLE MIXTURE CUTOFF, NO DEFECTS. RAN AIRCRAFT ENGINE AND DUPLICATED PILOTS SQUAWK. PERFORMED CYLINDER #2 DIFFERENTIAL PRESSURE CYLINDER LEAKDec 3, 2019 · N90508 · Cessna 172S · Reciprocating Engine Cylinder SectionSDR 2020FA0000007Exhaust Valve · stickingENGINE S/N L3049651E EXPERIENCED A STICKING EXHAUST VALVE AT 582.4 HOURS TOTAL TIME WHILE IN FLIGHT. THE PILOT MADE A SUCCESSFUL PARTIAL-POWER LANDING. CYLINDER NR 3 EXHAUST VALVE STUCK IN FLIGHT, THE VALVE HIT THE PISTON AND THE PUSH ROD WAS BENT. THAT CYLNov 15, 2019 · N1218S · Cessna 172S · Reciprocating Engine Cylinder SectionSDR 5SW2020010800000Exhaust Valve · stickingENGINE S/N L-19263-51E WAS FOUND WITH A STICKING EXHAUST EXHAUST VALVE AT 385.3 HOURS TOTAL TIME. LYCOMING SB388C WAS PERFORMED, ALL THE GUIDES WERE REAMED WITHIN BALANCE. THIS ENGINE INCORPORATES NI-RESIST VALVE GUIDES AND THE TIME TO FAILURE IS CONSIDERED Nov 15, 2019 · N787SP · Cessna 172S · Reciprocating Engine Cylinder SectionSDR 5SWS2020010800008Exhaust Valve · stickingENGINE S/N RL-35534-51E WAS FOUND WITH A STICKING EXHAUST VALVE AT 434.1 HOURS TOTAL TIME. THE CYLINDER WAS REPLACED. THIS ENGINE INCORPORATES NI-RESIST VALVE GUIDES AND THE TIME TO FAILURE IS CONSIDERED BY THIS AGENCY TO BE PREMATURE.Nov 15, 2019 · N408LB · Cessna 172S · Reciprocating Engine Cylinder SectionSDR 2020FA0000011Exhaust Valve · stickingENGINE WAS FOUND WITH A STICKING EXHAUST VALVE AT582.4 HOURS TOTAL TIME. LYCOMING SB388C WAS PERFORMED, ALL GUIDES WERE REAMED TO WITHIN TOLERANCE. THIS ENGINE INCORPORATES NI-RESIST VALVE GUIDES AND THE TIME TO FAILURE IS CONSIDERED BY THIS AGENCY TO BE PRENov 15, 2019 · N2129C · Cessna 172S · Engine (Reciprocating)SDR 2020FA0000013Exhaust Valve · stickingENGINE S/N L-359141-51E WAS FOUND STICKING EXHAUST VALVE AT 381.8 TOTAL TIME. LYCOMING SB388C WAS THEN COMPLIED WITH, AND DURING THE WOBBLE CHECK, NR 2 WAS ACTUALLY STUCK. ALL THE GUIDES WERE THEN REAMED TO WITHIN TOLERANCE. THIS ENGINE INCORPORATES NI-RESINov 15, 2019 · N3547H · Cessna 172S · Reciprocating Engine Cylinder SectionSDR 2019FA0000342Exhaust Valve · wornDURING STANDARD 50 HOUR SCHEDULED OIL CHANGE AS S.O.P. DIFFERENTIAL CYLINDER LEAK CHECKS ARE PERFORMED. CYLINDER #1 WAS 60/80 PSI, OTHER CYLINDERS WERE IN MID TO UPPER 70'S. ENGINE HAD LEAKING EXHAUST VALVE. ENGINE TIME SINCE OVERHAUL: 1271.8 HOURS.Oct 16, 2019 · N861RB · Cessna 172S · Reciprocating Engine Cylinder SectionSDR 2019FA0000324Spar · crackedDURING PRE-FLIGHT INSPECTION, IT WAS NOTICED THE HORIZONTAL STABILIZER HAD A NOISE COMING FROM THE ATTACHING POINTS. GAIN ACCESS AND VISUALLY INSPECTED ATTACHING POINTS WITH NO DEFECT NOTED, AFTER FURTHER INSPECTION IT WAS NOTICED THAT THE FWD SPAR ASSEMBLY WASep 19, 2019 · N627SP · Cessna 172S · Horizontal Stabilizer, Spar/RibSDR 2019FA0000317P-Lead · looseDURING TAKE OFF THE PILOT NOTICED REDUCED ENGINE POWER AND FELT ABNORMAL VIBRATION AND ENGINE SPUTTER. THE PILOT WAS ABLE TO RETURN TO THE AIRPORT AND MAKE A SAFE LANDING. UPON INSPECTION BY THE MECHANIC A FAILED #2 CYLINDER LOWER SPARK PLUG P/N REM38E WAS FOUSep 9, 2019 · N65537 · Magneto/DistributorSDR CA190912007Starter · binding(CAN) DURING WALKAROUND, IT WAS OBSERVED THAT THE STARTER ENGAGEMENT GEAR WAS RUBBING ON THE CRANKSHAFT RING GEAR. IT APPEARS AS IF THE ENGAGEMENT GEAR IS UNABLE TO FULLY RETURN TO ITS RESTING POSITION. (TC# 20190912007)Aug 6, 2019 · Cessna 172S · Engine StarterSDR CA190729014Axle · damaged(CAN) WHEN WE WERE REPLACING THE TIRE ASSEMBLY ON THE R/H MLG, WE NOTICED THAT THE AXLE P/N 0541199-1 HAS SOME PLAY (BOTH UP AND DOWN AND ROTATIONAL) ON THE MAIN LANDING GEAR. THE BOLT THAT HOLDS THE AXLE ON WAS WAS TIGHT. WE TRIED A NEW AXLE AND IT WENT ON VEJul 24, 2019 · Cessna 172S · Main Landing Gear Strut/Axle/TruckSDR CA190718004Exhaust Valve · stiff(CAN) FOLLOWING IS SNAG BY PILOT - ENGINE PRODUCED FULL POWER INITIALLY DURING GO AROUND THEN DROPPED TO 2200 RPM THEN BACK TO FULL POWER. WHAT MAINTENANCE FOUND - AFTER THE SECOND OCCURRENCE OF POWER LOSS WE DECIDED TO PERFORM LYCOMING SB 388. (EXHAUST VALVE Jul 10, 2019 · Cessna 172S · Reciprocating Engine Cylinder SectionSDR CA190615001Tube · bent(CAN) C-XXXX WAS ON APPROACH INTO XXX WHEN THE AIRCRAFT ENGINE STARTED VIBRATING EXCESSIVELY. PILOT PROCEEDED TO LAND AIRCRAFT WITH NO ISSUES. UPON INSPECTION THE AME FOUND A BENT PUSH ROD TUBE & SHROUD AS A RESULT OF A STUCK EXHAUST VALVE. (TC# 20190615001)Jun 13, 2019 · Cessna 172S · Reciprocating Engine Power SectionSDR CA190502023Spring · missing(CAN) DURING 500 HOUR INSPECTION IT WAS NOTED THAT ONE OF THE IMPULSE COUPLING SPRINGS WAS MISSING. (TC# 20190502023)Apr 14, 2019 · Cessna 172S · Magneto/DistributorSDR 2019FA0000113Cylinder · unknownINTERMITTENT "HUNG VALVE CONDITION" ON THE EXHAUST SIDE OF (2) FACTORY NEW CYLINDERS P/N 05K21104 WITH 750 HRS TSN. CONDITION CAUSING ROUGH RUNNING ENGINE ON OCCASION.Apr 9, 2019 · N6042Z · Cessna 172S · Reciprocating Engine Cylinder SectionSDR CA190408008Transponder · malfunctioned(CAN) AIRCRAFT WAS SNAGGED THAT IT LOST ITS HEADING INDICATION MOMENTARILY DURING FLIGHT AND THAT IT HAD A GDL90 FAILURE. THE AIRCRAFT IS G1000 EQUIPPED AND IS AT S/W VERSION 563.35 (LATEST CESSNA S/W) DONE IN FEB 2018. WE ARE UNABLE TO REPLICATE THE ISSUE ON Apr 7, 2019 · Cessna 172S · Navigation SystemSDR N3XR2019040500001Plug · leakingDURING A 100 HR INSPECTION, OIL WAS FOUND LEAKING FROM THE CRANKSHAFT EXPANSION PLUG P/N-STD-1211. THE PLUG WAS REPLACED.Apr 5, 2019 · N488ER · Cessna 172S · Reciprocating Engine Front SectionSDR N3XR2019040500002Plug · leakingDURING A 100 HR INSPECTION, OIL WAS FOUND LEAKING FROM THE CRANKSHAFT EXPANSION PLUG P/N-STD-1211. THE PLUG WAS REPLACED.Apr 4, 2019 · N475ER · Cessna 172S · Reciprocating Engine Front SectionSDR CA190405012Magneto · failed(CAN) SNAG: PILOT REPORTS ON SHUT DOWN, NOTICED LEFT MAGNETO NOT FUNCTIONING. INSPECTED ENGINE LEFT HAND IGNITION SYSTEM FOR ANY ANOMALIES THAT WOULD CAUSE THE LEFT HAND MAGNETO TO NOT FUNCTION, UPON TURNING THE PROPELLER IT WAS NOTICED THAT THE LEFT MAGNETO Apr 4, 2019 · Cessna 172S · Magneto/DistributorSDR CA190404007Alternator · failed(CAN) OVERHAULED ALTERNATOR WITH LESS THAN 250 HRS TSOH. PILOT REPORTED DISCHARGE AT LOW RPM AND WAS CONFIRMED WITH GROUND RUN. RECOMMENDED OVERHAUL IS 2500 HRS.Apr 1, 2019 · Cessna 172S · DC Generator-AlternatorSDR 2019FA0000118Fuel Line · crackedDURING NORMAL CRUISE FLIGHT PILOT REPORTED ROUGH RUNNING ENGINE AND ASSUMED A SPARK PLUG HAD FAILED. MAINTENANCE INSPECTION DETERMINED THE NR 1 ENGINE CYLINDER, FUEL INJECTOR NOZZLE FAILED. THE INJECTOR LINE FAILED AT THE BRAZED PORTION CLOSEST TO THE FUEL NOZMar 22, 2019 · N1419D · Cessna 172S · Engine Fuel DistributionSDR 2019FA0000108Cylinder · separatedWHILE PERFORMING A LOCAL INSTRUCTION FLIGHT FOR AN IFR RATING. AFTER PERFORMING AN APPROACH AND A TOUCH AND GO ON RUNWAY 10 AT POMPANO BEACH AIRPARK (KPMP), THE AIRCRAFT INITIATED A CLIMB AT VX 62 KNOTS AND HEADED NORTH EAST BOUND TO BE HANDED OFF TO APPROACH.Mar 13, 2019 · N1206U · Cessna 172S · Reciprocating Engine Cylinder SectionSDR CA190305017Camshaft · damaged(CAN) FACTORY NEW CAMSHAFT VISUALLY INSPECTED AND SIGNIFICANT AREAS OF CORROSION OBSERVED ON LOBE JOURNALS AND BEARING JOURNALS. CORROSION INCLUDED SURFACE PITTING AND PENETRATION. NO EVIDENCE OF THE PACKAGE OR LYCOMING CAMSHAFT BOX BEING OPENED OR TAMPERED WIMar 5, 2019 · Cessna 172S · Reciprocating Engine Power SectionSDR CA190305011Camshaft · worn(CAN) DURING A GROUND RPM CHECK IT WAS NOTICED THAT WE WERE UNABLE TO MAKE STATIC RPM ON THE AIRCRAFT WITH MINIMUM REQUIREMENT BEING 2300 WE COULD ONLY MAKE 2250. AFTER TRYING SEVERAL THINGS WITH NO IMPROVEMENT IT WAS DECIDED TO PULL ONE CYLINDER TO INVESTIGATMar 1, 2019 · Cessna 172S · Reciprocating Engine Power SectionSDR CA190218008Magneto · malfunctioned(CAN) ALL GROUND CHECKS WERE GOOD BUT IN FLIGHT THERE WAS AN INTERMITTENT RPM LOSS OF ABOUT 50RPM WITH ASSOCIATED ROUGH RUNNING. FAULT WOULD NOT REPRODUCE ON GROUND SO AIRCRAFT WAS TEST FLOWN AND FAULT REPRODUCED BUT SEEMED TO CLEAR WHEN ELECTRIC FUEL PUMP WASFeb 14, 2019 · Cessna 172S · Magneto/DistributorSDR 2018FA0000509Exhaust Valve · stuckEXHAUST VALVE IN NR 4 CYLINDER STUCK IN FLIGHT CAUSING THE EXHAUST PUSH ROD TO BEND AND BREAK. THE PUSH ROD TUBE ALSO BROKE ALLOWING ENG OIL TO ESCAPE. THERE WAS A DRASTIC LOSS OF ENG OIL AND ENG OIL PRESSURE.Dec 11, 2018 · N830KS · Cessna 172S · Reciprocating Engine Cylinder SectionSDR 2018FA0000428Rotor · looseDURING RUN UP THE PILOT EXPERIENCED ABNORMAL RPM DROPS WHEN CHECKING THE MAGNETOS. THE MAGNETO MODEL NR 4371 SERIAL NR 18021142 TIMING TO THE ENGINE WAS FOUND TO BE 20 DEGREES BTDC INSTEAD OF 25 DEGREES BTDC. UPON OPENING THE COVER OF THE MAGNETO THE ROTOR ANDOct 22, 2018 · N1218S · Cessna 172S · Magneto/DistributorSDR YN8R201809260001Attach Bracket · brokenFUEL INJECTION SPIDER BRACKET, P/N 07A22996, WAS FOUND BROKEN DURING ANNUAL INSPECTION. IT BROKE AT THE 90 DEGREE BEND IN THE METAL. AD2015-19-07 CALLS FOR THE FUEL INJECTION LINES AND CLAMPS TO BE INSPECTED IAW MSB342G. THIS WAS FOUND BROKEN 100 HOURS SINCSep 26, 2018 · N2290A · Cessna 172S · Fuel DividerSDR 2018FA0000381Stop Pin · looseTHE IMPULSE COUPLING STOP PIN HAS MIGRATED LOOSE AND IS RUBBING ON THE IMPULSE COUPLING. THIS IS THE 5TH ONE WE HAVE SEEN THIS YEAR AND COULD POTENTIALLY CAUSE A COMPLETE ENGINE FAILURE IF THE PIN COMES THE REST OF THE WAY OUT.Sep 21, 2018 · N522ND · Magneto/DistributorSDR 2018FA0000382Stop Pin · looseTHE IMPULSE COUPLING STOP PIN HAS MIGRATED OUT OF THE CASE .050".Sep 21, 2018 · N547ND · Magneto/DistributorSDR CA180925017Pressure Switch · malfunctioned(CAN) REPORTING FAILURE OF TWO NEW OIL PRESSURE SWITCHES P/N 83278. SHIPPED DIRECT FROM CESSNA-THESE SWITCHES HAVE AN AIRWORTHINESS LIMITATION OF 3000 HRS & ARE AFFECTED BY AD2013-11-11. THE FIRST SWITCH, INSTALLED IN COMPLIANCE WITH AD2013-11-11, FAILED DURSep 14, 2018 · Cessna 172S · Engine Oil PressureSDR 2018FA0000297Rivet · looseIMPULSE COUPLING RIVET LOOSE, FOUND DURING INSPECTIONJul 27, 2018 · Magneto/DistributorSDR 2018FA0000298Rivet · looseFOUND IMPULSE COUPLING RIVET LOOSE ON INSPECTION, REPLACED IMPULSE COUPLING.Jul 27, 2018 · Magneto/DistributorSDR 2018FA0000300Rivet · looseFOUND IMPULSE COUPLING RIVETS LOOSE DURING INSPECTION, REPLACED IMPULSE COUPLING.Jul 27, 2018 · Magneto/DistributorSDR 2018FA0000301Rivet · looseFOUND IMPULSE COUPLING RIVET LOOSE DURING INSPECTION, REPLACED IMPULSE COUPLING.Jul 27, 2018 · Magneto/DistributorSDR 2018FA0000289Pressure Switch · brokenPROCEEDED TO THE FLIGHT PORTION OF A PPL CHECKRIDE ORIGINATING AT KDLZ. DEPARTED TO THE EAST AND VECTORED PILOT TO HEADINGS. AFTER NOTICING SPECKLES OF WHAT WAS LIKELY OIL ON THE WINDSHIELD, AND OBSERVING A BUILDING PRESENCE, DIVERTED FOR A CAUTIONARY LANDINJul 18, 2018 · N2634E · Cessna 172R · Engine Oil PressureSDR 2018FA0000210Cylinder · bypassingAFTER ENGINE START, BEGAN RUNNING EXTREMELY ROUGH. COULD NOT CLEAR AS REPORTED BY PILOT. MAINTENANCE FOUND NR 2 CYLINDER EXHAUST VALVE STUCK OPEN. NOTE OIL BRAND IN USE X/C 20W50 MULTI VISCOSITY.Jul 5, 2018 · N963LT · Reciprocating Engine Cylinder SectionSDR 2018FA0000209Cylinder · bypassingAFTER ENGINE START NOTED ENGINE RUNNING ROUGH. PILOT REPORTED. MAINTENANCE FOUND NR 2 CYLINDER EXHAUST VALVE STUCK OPEN.May 18, 2018 · N966LT · Reciprocating Engine Cylinder SectionSDR 2018FA0000179Pump · failedDURING A DUAL LESSON AT 2500MSL THE AIRCRAFT EXPERIENCED A POWER INTERRUPTION. FOLLOWING THE CHECKLIST, THE ELECTRICAL FUEL PUMP WAS TURNED ON WHICH RESTORED NORMAL POWER IMMEDIATELY. THE FLIGHT RETURNED TO KLOT WITHOUT FURTHER INCIDENT. UPON INSPECTION OF THEMay 5, 2018 · N674MA · Cessna 172R · Engine Fuel PumpSDR 2018FA0000208Cylinder · bypassingDURING CRUISE FLIGHT, ENGINE ROUGHNESS NOTED. LANDED AS A PRECAUTION. MAINTENANCE FOUND THAT NR 2 CYLINDER EXHAUST VALVE STUCK OPEN.Apr 30, 2018 · N970LT · Reciprocating Engine Cylinder SectionSDR N3XR201804270632Plug · looseDURING CRUISE FLIGHT AT NIGHT, THE WINDSCREEN BECAME COVERED IN OIL. THE PILOT MADE AN EMERGENCY RETURN TO THE AIRPORT AND MADE AN UNEVENTFUL LANDING.. INSPECTION REVEALED THAT THE EXPANSION PLUG IN THE CRANKSHAFT (LYCOMING P/N-STD-1211) HAD BEEN DISPLACED ALLApr 26, 2018 · N632ER · Cessna 172S · Engine (Reciprocating)SDR N3XR2018042300479Cylinder · crackedDURING AN INSPECTION AND WHEN PERFORMING THE COMPRESSION CHECK, IT WAS DISCOVERED THAT THE NR 1 AND 3 CYLINDERS WERE FOUND CRACKED AT THE BARREL-HEAD CONNECTION.Apr 23, 2018 · N479ER · Cessna 172S · Reciprocating Engine Cylinder SectionSDR 2018FA0000238Plug · leakingTHE ENGINE WAS REBUILT 73.1 HOURS AGO AND STARTED LEAKING OIL FROM THE CRANKSHAFT PLUG PART NUMBER STD-1211. HAPPENED DURING AN INSTRUCTIONAL FLIGHT.Mar 11, 2018 · Reciprocating Engine Power SectionSDR CA180223006Wire · chafed(CAN) SMOKE IN COCKPIT AFTER LANDING. WIRE FROM NAVIGATION LIGHT CIRCUIT BREAKER SWITCH TO SPLICE (FROM SINGLE WIRE TO 3 WIRES, FOR EACH NAVIGATION LIGHT) BURNED. RIGHT NAVIGATION LIGHT WIRE FROM SPLICE TO RIGHT SIDE OF COCKPIT BURNED. SOME ADJACENT WIRES INFeb 17, 2018 · Cessna 172S · Electrical Power System WiringSDR 2018FA0000191Pressure Switch · failedNEW OIL PRESSURE SWITCH CAUSED ERRONEOUS LOW OIL PRESSURE ANNUNCIATION AND HOUR METER FAILURE. REPLACING THE SWITCH WITH A UNIT OF A DIFFERENT LOT NUMBER RESOLVED THE PROBLEM WITH NO DEFECTS TO EITHER THE OIL PRESSURE INDICATION AND RESTORED THE FUNCTION OF TDec 21, 2017 · N681MA · Cessna 172S · Engine Oil Indicating SystemSDR 2017FA0000573Rivet · looseTHE MAGNETO WAS REMOVED FROM SERVICE FOR THE 500HR INSPECTION. THE RIVETS RETAINING THE IMPULSE COUPLING PAWLS WERE FOUND LOOSE DURING INSPECTION. WAS ABLE TO ROTATE THE RIVETS. FAILURE OF THE RIVETS COULD CAUSE TOTAL ENGINE FAILURE.Nov 9, 2017 · Cessna 172S · Magneto/DistributorSDR 2017FA0000574Rivet · looseTHE MAGNETO WAS REMOVED FROM SERVICE FOR THE 500HR INSPECTION. THE RIVETS RETAINING THE IMPULSE COUPLING PAWLS WERE FOUND TO BE LOOSE DURING THE INSPECTION. ABLE TO ROTATE THE RIVETS. FAILURE OF THE RIVETS COULD CAUSE TOTAL ENGINE FAILURE.Nov 9, 2017 · Cessna 172S · Magneto/DistributorSDR 2017FA0000575Rivet · looseTHE MAGNETO WAS REMOVED FROM SERVICE FOR THE 500HR INSPECTION. THE RIVETS RETAINING THE IMPULSE COUPLING PAWLS WERE FOUND TO BE LOOSE DURING THE INSPECTION. ABLE TO ROTATE THE RIVETS. FAILURE OF THE RIVETS COULD CAUSE TOTAL ENGINE FAILURE.Nov 9, 2017 · Cessna 172S · Magneto/DistributorSDR 2017FA0000576Rivet · looseTHE MAGNETO WAS REMOVED FROM SERVICE FOR THE 500HR INSPECTION. THE RIVETS RETAINING THE IMPULSE COUPLING PAWLS WERE FOUND TO BE LOOSE DURING THE INSPECTION. ABLE TO ROTATE THE RIVETS. FAILURE OF THE RIVETS COULD CAUSE TOTAL ENGINE FAILURE.Nov 9, 2017 · Cessna 172S · Magneto/DistributorSDR 2017FA0000577Rivet · looseTHE MAGNETO WAS REMOVED FROM SERVICE FOR THE 500HR INSPECTION. THE RIVETS RETAINING THE IMPULSE COUPLING PAWLS WERE FOUND TO BE LOOSE. ABLE TO ROTATE THE RIVETS. FAILURE OF THE RIVETS COULD CAUSE TOTAL ENGINE FAILURE.Nov 9, 2017 · Cessna 172S · Magneto/Distributor
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