Lycoming O-360-A4M
Service difficulty reports · 559
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 = 'O360A4M' 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 engine_model_key = 'O360A4M' 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 2020FA0000361Line · bindingPILOT REPORTED DURING A FORWARD SLIP, THE BRAKE LINE LOCKED THE LEFT RUDDER ON THE LEFT SIDE OF THE AIRCRAFT TO FULL DEFLECTION. THE LEFT TIRE WAS LOCKED UP ON TOUCHDOWN AND WORE TREAD OFF THE LEFT TIRE (BALD SPOT). INSPECTION FOUND THAT LEFT SEAT LEFT BRAKE LSDR FQAR20200723006Nozzle · crackedENGINE WOULD DIE AT IDLE, INSPECTED CARB AND FOUND THE ACCELERATOR PUMP DISCHARGE NOZZLE HOUSING CRACKED, INSTALLED NEW CARBSDR 2020FA0000347Magneto · malfunctionedDURING CRUISE FLIGHT ENGINE RPM DECAYED 100 TO 200 RPM. UNSCHEDULED LANDING ACCOMPLISHED. GROUND CHECK REVEALED LEFT MAGNETO FAILURE.SDR 2020FA0000090Cylinder Head · crackedWE ARE A FLIGHT SCHOOL. WE OPERATE TWO PIPER ARCHERS, BOTH 2014 MODELS. THIS IS THE 6TH CYLINDER THAT HAS CRACKED BETWEEN THE TWO ENGINES, THEY ALWAYS CRACK IN THE HEAD AREA BETWEEN THE CYLINDERS. SOME ON THE EXHAUST SIDE, SOME ON THE INTAKE SIDE.SDR 2020FA0000002Cylinder Head · separatedCYLINDER HEAD SEPARATED FROM CYLINDERSDR FQAR20191210015Throttle Cable · kinkedDURING A SCHEDULED INSPECTION, TECH HAD A HARD TIME PULLING THE THROTTLE BACK TO IDLE, INSPECTED CABLE AND FOUND IT TO BE KINKED NEAR THE CONSOLE END, CABLE WAS INSTALLED AT THE FACTORYSDR B4VR2019091900000Carburetor · leakingENGINE FIRE DURING START UP PROCEDURE. IT WAS REPORTED THAT THE FIRE STARTED ON THE SECOND ATTEMPT. WHEN THE FLEET MANAGER HAD THE CARBURETOR TESTED HE FOUND THAT DURING CRANKING IT WAS DUMPING LARGE AMOUNTS OF FUEL INTO THE CARB HEAT BOX AND THEN THAT LEAKED SDR 2019FA0000329Carburetor · leakingON ENGINE START ATTEMPT THERE WAS A MINOR ENGINE FIRE. IT IS BELIEVED THAT THE CARBURETOR SPEWED OUT FUEL BECAUSE THE FUEL VAPORIZATION IN THE FUEL LINES OVERPOWERED THE FLOAT VALVE AND SEAT. THIS CAUSED THE CARBURETOR TO FLOOD THE ENGINE COMPARTMENT. THE SOURSDR 2019FA0000328Carburetor · leakingON ENGINE START ATTEMPT THERE WAS A MAJOR ENGINE FIRE. IT IS BELIEVED THAT THE CARBURETOR SPEWED OUT FUEL BECAUSE THE FUEL VAPORIZATION IN THE FUEL LINES OVERPOWERED THE FLOAT VALVE AND SEAT. THIS CAUSED THE CARBURETOR TO FLOOD THE ENGINE COMPARTMENT. THE SOURSDR B4VR2019082900290Carburetor · leakingPILOT WAS TRYING TO START THE AIRCRAFT. THEY NOTICED THAT FUEL WAS LEAKING FROM THE COWLING DURING CRANKING. PILOTS TURNED EVERYTHING OFF AND SQUAWKED THE AIRCRAFT. REPAIR STATION FOUND IT TO BE LEAKING FROM THE CARB. SENT THE CARB OUT FOR INSPECTION TO QUALITSDR 2019FA0000327Carburetor · leakingON ENGINE START ATTEMPT THERE WAS A MAJOR ENGINE FIRE. IT IS BELIEVED THAT THE CARBURETOR SPEWED OUT FUEL BECAUSE THE FUEL VAPORIZATION IN THE FUEL LINES OVERPOWERED THE FLOAT VALVE AND SEAT. THIS CAUSED THE CARBURETOR TO FLOOD THE ENGINE COMPARTMENT. THE SOURSDR 2019FA0000326Carburetor · leakingON ENGINE START ATTEMPT THERE WAS A MAJOR ENGINE FIRE. IT IS BELIEVED THAT THE CARBURETOR SPEWED OUT FUEL BECAUSE THE FUEL VAPORIZATION IN THE FUEL LINES OVERPOWERED THE FLOAT VALVE AND SEAT. THIS CAUSED THE CARBURETOR TO FLOOD THE ENGINE COMPARTMENT. THE SOURSDR CA190613012Bolt · broken(CAN) LEFT FORWARD BOLT SECURING THE MLG STRUT BROKE. THIS BOLT WAS REPLACED 3 WEEKS AGO AND HAD 33.5 HOURS. (TC# 20190613012)SDR 2019FA0000325Carburetor · leakingON ENGINE START ATTEMPT THERE WAS A MAJOR ENGINE FIRE. IT IS BELIEVED THAT THE CARBURETOR SPEWED OUT FUEL BECAUSE THE FUEL VAPORIZATION IN THE FUEL LINES OVERPOWERED THE FLOAT VALVE AND SEAT. THIS CAUSED THE CARBURETOR TO FLOOD THE ENGINE COMPARTMENT. THE SOURSDR CA190416009Skin · cracked(CAN) FOUND LOWER HALF OF 62061-04 WING SKIN ASSEMBLY ON THE RIGHT HAND WING (DIMPLED STIFFENER THAT REINFORCES WING WALK AREA) CRACKED AT THE ENDS OF TWO DIMPLED STIFFENERS 7` AFT OF MAIN SPAR ON EITHER SIDE OF RIB P/N 66597-01 (STA 36.22). OWNER HAS REQUESSDR CA190613011Bolt · broken(CAN) BROKE ANOTHER LANDING GEAR BOLT ON XXXX S/N 40.FC022 (LEFT OUTBOARD FWD BOLT) IT`S THE SAME BOLT THAT BROKE 288.4 HOURS AGO THE FIRST ONE WAS 10/22/18 TTAF 6973.1 THE SECOND ONE IS ON 03/19/19. (TC# 20190613011)SDR CA190308022Distributor Blk · damaged(CAN) FACTORY NEW 212.2 HOURS AGO. CUSTOMER NOTED MAGNETO IN `LIVE CONDITION` DURING TIMING VERIFICATION. MAGNETO HOUSING REMOVED AND OBSERVED LH DISTRIBUTOR BLOCK ATTACHING SCREW MISSING. UNEVEN BLOCK DURING OPERATION CAUSED INTERNAL COMPONENTS TO RUB TOGETHESDR 2019FA0000080Electrode · looseNTSB ACCIDENT ERA19LA109 PILOT STATED: AT APPROXIMATELY 18:30 EST HE WAS DEPARTING RUNWAY 24 AT LOU. ALL WAS NORMAL, ROTATED AND REACHED AROUND 100 FEET ALTITUDE. THEN ENGINE BEGAN TO RUN ROUGH, SO HE SET AIRCRAFT BACK ON RUNWAY AND APPLIED BRAKES. HE WAS UNABSDR CA190613010Bolt · broken(CAN) DURING REGULAR INSPECTION, MAINTENANCE FOUND THE LH MLG OUTBOARD FORWARD BOLT BROKEN. THE LOWER WING SKIN IS PARTIALLY DISBONDED FROM THE WING STUB SPAR. (TC# 20190613010)SDR FQAR20181010051Cylinder Head · crackedDURING A SCHEDULED INSPECTION, EXCESS OIL WAS OBSERVED ON THE COOLING FINS ABOVE THE EXHAUST FLANGE, ATTEMPTED TO FIND SOURCE OF OIL BUT NO SOURCE WAS VISIBLE, ROCKER COVER WAS REMOVED AS WELL AS THE EXHAUST ROCKER ARM AND PUSH ROD AND TUBE, A DYE CHECK WAS DOSDR 2018FA0000396Attach Bolt · shearedFOUND RH FRWD LANDING GEAR ATTACH BOLT SHEARED AT BOLT THREADS DURING 100 HR INSPECTION. FORCE OF BOLT BREAKING CAUSED ATTACHMENT PLATE TO HIT BOTTOM OF FUSELAGE DELAMNINATING OUTER SKIN FROM FUSELAGE.SDR 2018FA0000397Attach Bolt · shearedLEFT HAND, FWD LANDING GEAR BRACE BOLT SHEARED LEVEL WITH THE NUT. ALSO CAUSED DELAMINATION OF A PORTION OF THE FUSELAGE DIRECTLY UNDERNEATH THE LANDING GEAR BRACE POINT. FOUND DURING 100 HOUR INSPECTION.SDR CA190613013Bolt · broken(CAN) DURING 100HR INSPECTION FOUND RIGHT GEAR O/B FRONT BOLT MISSING. FOUND BOLT, NUT AND WASHERS IN LANDING GEAR ACCESS BAY. BOLT WAS BROKEN IN TWO PIECES AT THE STARTING OF THE THREADS. FOUND DISBONDING BETWEEN THE LOWER WING STUB SPAR AND THE WING STUB SKISDR 2018FA000000512Cylinder · crackedCRACK FOUND IN NR 3 CYLINDER ON OCT 11 @ 1242.7 HOUR. NR 1 CYLINDER ON NOV 27 @1291.4 HOUR. NR 4 CYLINDER ON JAN 31 @ 1342.6 HOUR. NR 2 CYLINDER ON SEPT 17 @ 1638.9 HOUR.
SDR 2018FA0000507Lead Tower · groundedINSTALLED NEW PLUGS AND LEADS FOR THE ELECTRO AIR ELECTRONIC IGNITION SYSTEM. THE NEW LEADS REQUIRE A TOWER TO CONNECT TO THE PLUGS. THE NEW TOWERS ALMOST IMMEDIATELY GROUNDED TO THE SIDE OF THE PLUG. INSTALLED THE OLD PLUGS AND LEADS.SDR 2018FA0000511Bearing · dislodgedMAG TIMING HOUSING IS PART OF THE ELECTOAIR ELECTRONIC IGNITION SYSTEM. THE BEARINGS SEEMED TO OUT ON THE MTH.SDR 2018FA0000512Cylinder · crackedCRACK FOUND IN NR 3 CYLINDER ON OCT 11 @ 1242.7 HOUR. NR 1 CYLINDER ON NOV 27 @1291.4 HOUR. NR 4 CYLINDER ON JAN 31 @ 1342.6 HOUR. NR 2 CYLINDER ON SEPT 17 @ 1638.9 HOUR.
SDR 2018FA0000513Housing · failedMAG TIMING HOUSING IS PART OF THE ELECTROAIR ELECTRONIC IGNITION SYSTEM. DON`T KNOW WHY IT FAILED, BUT IT ISN`T WORKING.SDR 2018FA0000348Fork · crackedNOSE GEAR FORKS, JUST BEFORE THE AXLE HAVE BEEN DEVELOPING CRACKS.SDR 2018FA0000349Fork · crackedCRACK FOUND ON THE LEFT FORK ARM OF THE NOSE LANDING GEAR FORK ASSEMBLY.SDR 2018FA0000139Cylinder · crackedPILOT REPORTED ROUGH RUNNING ENGINE AND LOSS OF POWER ON TAKE. AFTER INSPECTION, FOUND THE NR 2 CYLINDER CRACKED ABOUT 75% AROUND BARREL.SDR ESMR2018040201Cylinder · failedPILOT REPORTED A BANG WITH AN IMMEDIATE DROP OF 300 RPM. ENGINE CONTINUED TO RUN, DIVERTED. THERE WAS AN EXTENSIVE AMOUNT OF OIL ON THE AIRCRAFT. WHEN THE COWLING WAS REMOVED A VISUAL INSPECTION SHOWED THE NR 3 CYLINDER BARREL WAS BROKEN ALL THE WAY AROUND ASDR 2018FA0000035Fork · crackedCRACK IN THE NOSE GEAR FORK ASSY ON BOTH SIDES. CRACKS WERE ABOUT 1/2INCH-3/4INCH STARTING FROM THE OUTSIDE OF THE FORK AND MOVING TOWARD THE INSIDE.SDR 2018FA0000038Bracket · corrodedFOUND CORROSION ON A CHROME-MOLLY BRACKET AT FRAME 73. CAUSED BY SOUND DEADENING FOAM INSTALLED BY MANUFACTURER. CUT FOAM SO DOES NOT CONTACT BRACKET OR REMOVE FOAM ENTIRELY, CLEANED CORROSION FROM BRACKET AND APPLIED CORROSION INHIBITENT.SDR 2017FA0000629Contact · damagedAIRCRAFT WAS HARD TO START, AFTER TROUBLESHOOTING REMOVED LT MAGNETO 4371 SN 96050726 WITH 634 TT. AIRCRAFT ACC REPLACED THE CONDENSER AND IMPULSE COUPLING. WO 20284. REMOVED RT MAGNETO 4370 SN 9803046 WITH 602TT. AIRCRAFT ACC REPLACED THE CONTACT POINTS, SDR FQAR20170922088Channel · crackedDURING A ROUTINE INSPECTION, A HAT CHANNEL IN THE LEFT WING WAS FOUND CRACKED. THE CHANNEL IS THE FWD OF TWO CHANNELS RIVETED TO A SKIN ASSY LOCATED INBOARD ON THE LEFT WING BETWEEN THE MAIN SPAR AND THE WING LEADING EDGE.SDR FQAR20170914086Channel · crackedDURING A ROUTINE INSPECTION, A CHANNEL IN THE RIGHT WING WAS FOUND CRACKED. THE CHANNEL IS THE AFT OF TWO CHANNELS RIVETED TO A SKIN ASSY LOCATED INBD ON THE WING BETWEEN THE SPAR AND THE LEADING EDGE.SDR FQAR20170914087Channel · crackedDURING A ROUTINE INSPECTION, A CHANNEL IN THE RIGHT WING WAS FOUND CRACKED. THE CHANNEL IS THE FWD OF TWO CHANNELS RIVETED TO A SKIN ASSY LOCATED INBOARD ON THE RIGHT WING BETWEEN THE MAIN SPAR AND WING LEADING EDGE.SDR 2017FA0000487Rod Bearing · spunPILOT HAD ROUTINE TAKEOFF ABOUT FIVE MINS INTO THE CLIMB ENGINE WAS LOOSING POWER THEN STARTED MAKING KNOCKING SOUNDS THEN OIL PRESSURE LIGHT CAME ON THEN PILOT DECLARED AN EMERGENCY AND LANDED AT A NEARBY AIRPORT. AFTER DISASSEMBLY OF ENGINE FOUND NUMBER TWO SDR 2017FA0000480Pressure Switch · failedPRESSURE SWITCH FAILED THAT CONTROLS THE HOBBS METER AND THE FAILURE ALLOWED OIL TO FLOW OUT OF THE ENGINE. THE PROBLEM WAS FOUND DURING A PRE-FLIGHT INSPECTION OF THE AIRCRAFT. ESTIMATED THAT THE AIRCRAFT WOULD HAVE 1GT OF OIL AN HOOUR OR MORE WITH THE OIL LOSDR FQAR20170821081Channel · crackedA CHANNEL IN THE RIGHT WING WAS FOUND CRACKED. THE CHANNEL IS THE FWD OF TWO CHANNELS RIVETED TO A SKIN ASSY LOCATED INBOARD ON THE WING BETWEEN SPAR AND LEADING EDGE ALONG THE WING ROOT.SDR FQAR20170815077Angle · crackedDURING ROUTINE INSPECTION, AN ANGLE INSTALLED AGAINST LEFT WING INBOARD MOST FLAP SUPPORT WAS FOUND CRACKED. CRACKING EXTENDED THROUGH RIVET HOLES TO MATERIAL EDGE.SDR FQAR20170815079Angle · crackedDURING ROUTINE INSPECTION, AN ANGLE INSTALLED AGAINST RIGHT WING INBOARDMOST FLAP SUPPORT WAS FOUND CRACKED. CRACKING EXTENDED THROUGH RIVET HOLES TO MATERIAL EDGE.SDR FQAR20170810078Carburetor · failedDURING APPROACH, THERE WAS AN UNCOMMANDED LOSS OF 400 ENGINE RPM. ENGINE POWER WAS RESTORED BRIEFLY BEFORE A 400 RPM LOSS RECURRED. THE PILOTS WERE ABLE TO AGAIN RESTORE POWER AND PERFORM A SAFE LANDING. INSPECTION REVEALED THE CARBURETOR HAD FAILED AND WAS CSDR FQAR20170802072Channel · crackedA CHANNEL IN THE LEFT WING WAS FOUND CRACKED. CHANNEL IS LOCATED INBOARD ON THE WING'S LOWER SURFACE AND IS RIVETED TO SKIN PANEL.SDR FQAR20170802073Channel · crackedA CHANNEL IN THE RIGHT WING WAS FOUND CRACKED. THE CHANNEL IS THE FWD OF TWO CHANNELS RIVETED TO A SKIN ASSY LOCATED INBOARD ON THE WING BETWEEN SPAR AND LEADING EDGE ALONG THE WING ROOT.SDR FQAR20170802074Channel · crackedA CHANNEL IN THE RIGHT WING WAS FOUND CRACKED. THE CHANNEL IS THE AFT OF TWO CHANNELS RIVETED TO A SKIN ASSY LOCATED IBBOARD ON THE WING SKIN BETWEEN THE MAIN SPAR AND LEADING EDGE ALONG THE WING ROOT.SDR FQAR20170801068Channel · crackedA CHANNEL IN THE RIGHT WING WAS FOUND CRACKED. THE CHANNEL IS LOCATED INBOARD ON THE WINGS LOWER SURFACE AND IS RIVETED TO SKIN PANEL.SDR FQAR20170801069Channel · crackedA CHANNEL IN THE RIGHT WING WAS FOUND CRACKED. CHANNEL IS LOCATED INBOARD ON THE WING'S LOWER SURFACE AND IS RIVETED TO SKIN PANEL.SDR FQAR20170718067Magneto · undertorquedPILOT REPORTED ENGINE WOULD RANDOMLY LOSE >500 RPM AND THAT ENGINE WAS ROUGH RUNNING. MECHANICS WERE ABLE TO DUPLICATE THIS ISSUE ON THE GROUND AND DISCOVERED THAT THE RIGHT MAGNETO CAPACITOR WAS LOOSE IN MAGNETO'S HOUSING. THE MAGNETO HAD BEEN INSTALLED THE P
Back to Lycoming O-360-A4M