Lycoming O-360-A1H6
Service difficulty reports · 169
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 = 'O360A1H6' 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 = 'O360A1H6' 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 FQAR20150731084Exhaust Riser · fracturedDURING A PREFLIGHT RUN, WHEN THE RT ENG CARB HEAT WAS SELECTED ON, THE ENG RPM DROPPED OVER 600 RPM & THE ENG RAN ROUGH. INSPECTION REVEALED THE NR 4 CYLINDER EXHAUST RISER HAD FRACTURED ABOUT THE FLANGE & HAD FALLEN OPEN, ALLOWING EXHAUST GASSES TO BE EMITTESDR 2015FA0000349Distributor Gear · looseAFTER LANDING AT THE DESTINATION AIRPORT, THE FLIGHT CREW REPORTED INTERMITTENT ENGINE VIBRATION IN CRUISE FLIGHT. A MAINTENANCE CREW WAS SENT TO INVESTIGATE BUT COULD NOT DUPLICATE THE ISSUE. ACFT WAS BROUGHT BACK TO HOME BASE WITH SOME INTERMITTENT ROUGHNESSDR FQAR20150728082Angle · crackedDURING A PROGRESSIVE INSPECTION, AN ANGLE IN THE LT WING WAS FOUND CRACKED BEHIND THE LG SIDE BRACE FITTING. THE CRACK HAD BEEN INSTALLED IAW SB 1161 & WAS CONTAINED IN KIT PN 767-397.SDR 2015FA0000286Distributor Gear · failedMAGNETO DISTRIBUTER GEAR ELECTRODE FINGER FOUND DETACHED FROM DISTRIBUTER GEAR. RT MAGNETO LT ENGINE WAS INOPERATIVE DUE TO FAILURE.SDR FQAR20150609078Cylinder Head · crackedBOROSCOPE INSPECTION INDICATED CRACKING IN THE LT ENGINE NR 2 CYLINDER HEAD. AFTER THE CYLINDER WAS REMOVED, CRACKS WERE OBSERVED TO THE SIDE OF THE LOWER SPARK PLUG HOLE.SDR FQAR20150608076Angle · crackedDURING A PROGRESSIVE INSPECTION, AN ANGLE IN THE LT WING WAS FOUND TO BE CRACKED BEHIND THE LANDING GEAR SIDE BRACE FITTING. THE CRACKED ANGLE HAD BEEN INSTALLED IAW SB1161 AND WAS CONTAINED IN KIT PN 767-397.SDR FQAR20150608077Angle · crackedDURING A PROGRESSIVE INSPECTION, AN ANGLE IN THE RT WING WAS FOUND TO BE CRACKED BEHIND THE LANDING GEAR SIDE BRACE FITTING. THE CRACKED ANGLE HAD BEEN INSTALLED IAW SB 1161 AND WAS CONTAINED IN KIT PN 767-398.SDR FQAR20150527061Cylinder Head · crackedBOROSCOPE INSPECTION INDICATED CRACKING IN THE RT ENGINE NR 2 CYLINDER HEAD. AFTER THE CYLINDER WAS REMOVED, CRACKS WERE OBSERVED TO THE SIDE OF THE LOWER SPARK PLUG HOLE. THE CYLINDER HEAD CASTING NR 160921.SDR FQAR20150527062Cylinder Head · crackedBOROSCOPE INSPECTION INDICATED CRACKING IN THE RT ENGINE NR 3 CYLINDER HEAD. AFTER THE CYLINDER WAS REMOVED, CRACKS WERE OBSERVED TO THE SIDE OF THE LOWER SPARK PLUG HOLE. THE CYLINDER HEAD CASTING NR 160941.SDR FQAR20150527071Angle · crackedDURING A PROGRESSIVE INSPECTION, AN ANGLE IN THE LT WING WAS FOUND TO BE CRACKED BEHIND THE LANDING GEAR SIDE BRACE FITTING. THE CRACKED ANGLE HAD BEEN INSTALLED IAW SB 1161 AND WAS CONTAINED IN KIT PN 767-397.SDR FQAR20150516036Trunnion · crackedDURING ROUTINE MAINTENANCE, PAINT ON THE UPPER TRUNNION BELOW/FORWARD OF THE DRAG LINK ATTACHMENT LUG WAS FOUND TO BE DISTURBED. AFTER PAINT REMOVAL, THE PRESENCE OF A CRACK WAS CONFIRMED BY DYE PENETRANT. THE CRACK WAS FOUND TO EXTEND FORWARD TO THE EDGE OFSDR FQAR20150516037Angle · crackedDURING ROUTINE MAINTENANCE, ANGLES IN BOTH LT AND RT WINGS WERE FOUND CRACKED BEHIND THE LANDING GEAR SIDE BRACE FITTINGS. THE CRACKED ANGLES WERE INSTALLED AS PART OF KIT, PN 767-398, WHICH WAS CALLED OUT IN SB 1161. THE SUBJECT OF THE SB WAS TO INSPECT BEHINSDR 2017FA0000209Stop · strippedDURING ROUTINE INSPECTION, MAINTENANCE CREW FOUND THE LT PROPELLER LOW PITCH STOP WAS STRIPPED.SDR FQAR20150421028Oil Cooler · leakingON PREFLIGHT INSPECTION, THE PILOTS NOTED AN OIL STREAK EMANATING FROM UNDER THE INBD SIDE OF THE RT ENGINE COWL. MAINTENANCE REMOVED THE COWLING AND SAW A GREAT DEAL OF FRESH OIL ALL OVER THE INSIDE OF THE ENGINE COWLINGS. THE TECH RAN THE ENGINE WITH THE TSDR 2015FA0000196Bearing · seizedWHILE COMPLYING WITH SB 5B3-08 AND SB-2-80C, FOUND THE DISTRIBUTOR BLOCK AND GEAR ASSY FAULTY. THE BEARING IN THE DISTRIBUTOR BLOCK WAS SEIZED TO THE GEAR. ALLOWING THE DISTRIBUTOR BLOCK BEARING TO ROTATE IN THE HOUSING. PN 4373, SN 13060958.SDR 2017FA0000211Stop · strippedDURING A ROUTINE INSPECTION, THE LT PROPELLER LOW PITCH STOP WAS DISCOVERED AS STRIPPED.SDR BGSR20150417003Propeller · strippedDURING A 100 HOUR INSPECTION, MECHANIC FOUND THE PROPELLER LOW PITCH STOP THREADS STRIPED THAT HOLD THE SPINNER IN PLACE ON CENTER OF THE PROPELLER. SAFETY WIRE IS STILL IN PLACE.SDR FQAR20150402025Throttle Cable · jammedON CLIMB, WHEN THE PILOTS ATTEMPTED TO REDUCE POWER TO CRUISE SETTING, THE LT ENGINE THROTTLE BECAME JAMMED AT FULL POWER. THE PILOTS DECIDED TO RETURN TO THE AIRPORT. THEY WERE FORCED TO SHUTDOWN THE ENGINE TO ALLOW THE ACFT TO LAND. INSPECTION REVEALED THSDR 2015FA0000142Magneto · brokenTHE LT ENGINE WOULD NOT START OR EVEN COUGH. THE MAGNETO TIMING WAS CHECKED AND IT WAS FOUND THAT THE IMPULSE COUPLING ON THE LT MAGNETO WAS CAUSING THE MAGNETO TO FIRE BEFORE TOP DEAD CENTER. THE LT MAGNETO IS THE ONLY IMPULSE COUPLED MAGNETO ON THIS ENGINE. SDR CA150313001Spring · broken(CAN) BROKEN SPRING, DAMAGED ROCKER SHAFT SUPPORT BOSS RESULTING IN ALUMINUM CONTAMINATION IN ENGINE OIL SYSTEM.SDR FQAR20150305022Downlock Switch · separatedWHILE BEING TAXIED AFTER A MAINTENANCE ENGINE GROUND RUN, THE TECH NOTED THE LT GEAR DOWN AND LOCKED LIGHT WAS FLICKERING OFF AND ON. VISUAL INSPECTION OF THE LT GEAR DOWN LOCK SWITCH REVEALED BROKEN WIRES. THE SWITCH HAS THICK SHRINK WRAP APPLIED TO THE WIRSDR FQAR20150305020Squat Switch · separatedTHE PILOTS WERE PERFORMING A PREFLIGHT INSPECTION. WHEN THE BATTERY MASTER WAS TURNED ON, THE GEAR UNSAFE LIGHT IMMEDIATELY ILLUMINATED AND THE GEAR WARNING HORN SOUNDED. BEFORE TURNING THE MASTER OFF, THEY NOTED THE GEAR SELECTOR HANDLE WAS IN THE DOWN POSITSDR FQAR20150305021Pump · blockedON UPWIND, THE LT ENGINE WOULD SUDDENLY LOOSE 1000 RPM FOR 1 TO 5 SECONDS AT A TIME. THE PILOT REQUESTED AND WAS GRANTED A RETURN TO THE AIRPORT. WHILE IN THE PATTERN, THE PILOT WAS ABLE TO STOP THE SURGES BY SETTING THE LEFT FUEL SELECTOR TO CROSSFEED; HE WSDR FQAR20150302019Trunnion · crackedDURING A ROUTINE INSPECTION EVENT, THE NOSE GEAR TRUNNION WAS FOUND TO BE CRACKED. THE CRACK WAS ON THE RT AFT SIDE OF THE TRUNNION INBD OF THE RT MOUNTING FITTING AND EXTENDED UP TO WHERE THE INNER TUBE ASSY IS INSTALLED. THE CRACK WAS INITIALLY IDENTIFIED BSDR FQAR20150218017Squat Switch · separatedAFTER TAKEOFF, THE PILOTS ATTEMPTED TO RAISE THE GEAR. THE GEAR DID NOT COME UP AND THE GEAR UNSAFE LIGHT ILLUMINATED AND THE HORN SOUNDED. THE PILOTS RECYCLED THE GEAR HANDLE WITH THE SAME RESULTS. THEY WERE ABLE TO LAND AND RETURN TO THE RAMP UNEVENTFULLY.SDR OG5S2015FA0000041Distributor Gear · detachedAT RUN-UP, FOUND EXCESSIVE MAGNETO DROP ON LT ENGINE, RT MAGNETO. REMOVED MAGNETO AND FOUND DISTRIBUTOR FINGER LOOSE ON DISTRIBUTOR GEAR. THIS IS A COMMON FAILURE. REPLACED MAGNETO WITH SERVICEABLE MAGNETO.SDR OG5S2015FA0000037Distributor Gear · detachedDURING RUNUP FOUND LT ENGINE LT MAGNETO TO HAVE A LARGE MAG DROP. TROUBLESHOT TO LT MAGNETO LT ENGINE. DISASSEMBLED AND FOUND DISTRIBUTOR FINGER LOOSE FROM DISTRIBUTOR GEAR. REPLACED MAGNETO WITH SERVICABLE.SDR FQAR20141106045Pump · seizedWHEN THE PILOTS WERE PERFORMING THEIR ENGINE START CHECKLIST PROCEDURES, THEY NOTED RT SIDE FUEL PRESSURE INDICATED 0 DESPITE RT ELECTRIC FUEL PUMP BEING SELECTED ON. PRELIMINARY INSPECTION BY A MAINTENANCE TECH CONFIRMED THE PROBLEM AND FOUND THE PUMP MOTOR SDR FQAR20140804042Wire · detachedTHE RT MAIN GEAR DOWN-AND-LOCK LIGHT DID NOT ILLUMINATE. THE IP ACTIONED RELEVANT CHECKLIST BUT IT FAILED TO RESOLVE THE ISSUE. DIVERTED TO A TOWERED AIRPORT AND PERFORMED A FLYBY OF THE TOWER BEFORE PERFORMING AN UNEVENTFUL LANDING. INSPECTION OF THE LANDISDR ECPR2014061260422Spar · corrodedLT WING STA 56.0, UPPER OTBD QUADRANT OF AN ELECTRICAL WIRE PASS THROUGH HOLE IN THE WING SPAR WEB WAS FOUND TO HAVE EXFOLIATION CORROSION. THE PASS THROUGH HOLE, WHICH IS IN THE LANDING GEAR WHEEL WELL AREA, HAD A CATEPILLAR GROMMET INSTALLED TO PREVENT THE SDR ECPR2014061261660Spar · corrodedTWO AREAS OF CORROSION WAS FOUND ON THE UPPER SURFACE OF ANGLE ATTACHED TO THE LOWER PORTION OF THE LT WING SPAR ASSY, AT WING STATIONS 41.00 & 47.50. AREAS OF CORROSION APPEARED TO HAVE STARTED INSIDE THE MATERIAL OF THE ANGLE WITH NO EXTERNAL INFLUENCE.SDR ECPR2014061261983Spar · corrodedCORROSION FOUND ON THE UPPER SURFACE OF THE BOTTOM CAP OF THE RT WING SPAR ASSY, AT APPROXIMATLEY WING STATION 60, JUST INBD OF THE RT LANDING GEAR FORWARD TRUNION FITTING ASSY. CORROSION APPEARED TO HAVE STARTED INSIDE THE SPAR MATERIAL AND HAD NO EXTERNAL SDR FQAR20140612037Downlock Switch · brokenDURING FINAL APPROACH, PILOT LOWERED LANDING GEAR AND RECEIVED NO DOWN AND LOCKED INDICATION ON THE RT GEAR. THIS WAS AFTER 2 SUCCESSFUL TOUCH AND GO MANEUVERS. THE PILOT NOTIFIED TOWER OF THE CONDITION. THE TOWER THEN VERIFIED THAT THE LANDING GEAR WAS DOWN BSDR ECPR2014052861586Spar · corrodedTWO AREAS OF EXFOLIATION CORROSION WERE FOUND ON THE UPPER SURFACE OF ANGLE, WHICH IS ATTACHED TO THE LOWER PORTION OF THE PN 86152-00 LT WING SPAR ASSY, AT APPROXIMATELY WING STATIONS 41.00 & 47.50. DUE TO THE AMOUNT OF MATERAIL REQUIRED TO BE REMOVED THESE SDR FQAR20140505034Wire · brokenDURING PREFLIGHT, THE PILOT NOTED THE RT MLG DOWNLOCK SWITCH HAD A BROKEN WIRE. MAINTENANCE REPLACED THE SWITCH. FURTHER INSPECTION OF THE FAILED SWITCH REVEALED IT HAD 3 OF 12 WIRES BROKEN. HAD THE ISSUE NOT BEEN DISCOVERED ON PREFLIGHT, THE SWITCH WOULD HAVSDR FQAR20140402032Downlock Switch · separatedDURING THE LANDING GEAR FUNCTIONAL TEST, CALLED OUT IN THE PA-44 MM, MAINTENANCE DISCOVERED WHEN THE RT MAIN LANDING GEAR (RMLG) DOWNLOCK HOOK WAS UNSEATED, UNLOCKED, THE GEAR PUMP WOULD FAIL TO OPERATE. THE TECHNICIANS VISUALLY INSPECTED THE RMLG DOWNLOCK SSDR FQAR20140324031Pump · malfunctionedDURING CLIMBOUT, THE PILOTS NOTED THE RT FUEL PRESSURE WAS AT REDLINE, 8 PSI, TURNING THE ELECTRIC FUEL PUMP OFF LOWERED THE PRESSURE INTO THE GREEN ARC. THE ACFT RETURNED TO THE AIRPORT. WITH THE AID OF A SECONDARY, CALIBRATED PRESSURE GAUGE, MAINTENANCE FOSDR FQAR20140324029Pump · obstructedSOON AFTER THE PILOTS BEGAN THEIR DESCENT, THE LT ENGINE EXPERIENCED A SIGNIFICANT LOSS OF POWER. THE CFI RAN THE APPROPRIATE CHECKLISTS, AND NOTED WHEN THE THROTTLE WAS ADVANCED PAST IDLE, THE ENGINE WOULD INITIALLY RESPOND, BUT WOULD QUICKLY SPUTTER AND RETUSDR FQAR20140324030Pump · malfunctionedDURING A PREFLIGHT RUN UP, THE PILOT NOTED THE RT SIDE FUEL PRESSURE WAS HIGH, 8 PSI. ELECTED TO CANCEL THE MISSION, RETURNED TO THE RAMP, AND INFORMED MAINTENANCE. TROUBLESHOOTING BY MAINTENANCE REVEALED THE ELECTRIC FUEL PUMP WAS THE CAUSE OF THE HIGH PRESSDR 2014FA0000161Cable · disconnectedRT ENGINE THROTTLE CABLE SHEATH CAME OUT OF SWAGE AT THE CARBURATOR ARM END OF CABLE.SDR FQAR20140219025Squat Switch · false indicationACFT SQUAWKED PREVIOUSLY FOR A DOWNLOCK SWITCH HAVING BROKEN WIRES AND THE ACFT WAS HAVING A GEAR RETRACTION AND FUNCTIONAL CHECK AFTER THE SWITCH WAS REPLACED. DURING THIS CHECK THE GEAR WOULD NOT RETRACT WHEN SELECTED UP AND THE GEAR UNSAFE LIGHT AND HORN CSDR FQAR20140217023Switch · brokenDURING PREFLIGHT, THE PILOT NOTED A BROKEN WIRE DANGLING FROM THE LT MLG. MECH INSPECTED AND FOUND THE LT MLG DOWN LIMIT SWITCH HAD A BROKEN WIRE. THE SWITCH ASSY WAS REPLACED. INSPECTION OF THE FAILED SWITCH ASSEMBLY REVEALED WIRE NR 10 WAS BROKEN AT THE CLSDR FQAR20140217024Wire · brokenTHE LT MLG DOWNLOCK SWITCH WAS FOUND BY A MAINTENANCE TECH TO HAVE 2 BROKEN WIRES. 1 WIRE WAS EASILY SEEN TO BE BROKEN, HOWEVER THE SECOND WIRE WAS BROKEN UNDER THE SWITCH ASSEMBLY'S SHINK WRAP, RENDERING THE DEFECT INVISIBLE UNLESS THE TECH TOOK OFF THE SHRISDR FQAR20140210021Tube · leakingBETWEEN FLIGHTS, THE ACFT NOSE TIRE WAS FLAT. THE WHEEL ASSEMBLY WAS REPLACED WITH A BUILT UP WHEEL ASSY. THE FLAT WHEEL ASSY WAS DISASSEMBLED AND TUBE INSPECTED; THIS REVEALED A SMALL HOLE IN THE TUBE, ABOUT .01" LONG. CLOSER INSPECTION SHOWS A VERY TINY SDR FQAS2013FA0000647Cylinder · crackedDURING A ROUTINE INSPECTION, LT ENGINE, NR 2 CYLINDER WAS FOUND TO HAVE LOW COMPRESSION. DURING COMPRESSION TEST, PRESSURE WAS 50/80 AND AIR COULD BE HEARD WHISTLING, BUT THE SOURCE OF THE LEAK COULD NOT BE DETERMINED. DURING REMOVAL OF THE FAULTY CYLINDER,SDR 2013FA0000596Oil Cooler · leakingCREW OBSERVED OIL PRESSURE GRADUALLY DECREASING UNTIL OIL PRESSURE ANNUNCIATOR ILLUMINATED ON LT ENGINE. ENGINE WAS SHUTDOWN AND A SINGLE ENGINE LANDING WAS MADE AT HOME AIR FIELD. UPON INSPECTION BY MAINTENANCE THE OIL COOLER WAS FOUND TO HAVE FAILED NEAR THESDR 2013FA0000255Line · crackedPILOT REPORTED HIGH EGT AND ROUGH RUNNING ENGINE DURING LAST 30 MINUTES OF FLIGHT. DURING POST FLIGHT, FUEL WAS NOTED ON RT ENGINE AND WRITTEN UP. DURING INSPECTION, A FUEL SUPPLY HARD LINE WAS FOUND CRACKED UNDER THE B-NUT AT THE FLAIR. THIS LINE HAD BEEN RSDR 2012FA0000745Control Cable · chafedELEVATOR TRIM CABLE CHAFING AGAINST AUTOPILOT DRIVE MOTOR.SDR 2012FA0000282Oil Cap · looseAFTER LEVELING OFF AT 5,500 MSL THE CREW BEGAN LEANING MIXTURES AND THE RT ENGINE RPM BEGAN TO DROP AT A STEADY RATE. NO ENGINE ANNUNCIATORS APPEARED AND ALL ENGINE INSTRUMENTS READ NORMAL AFTER 15 SECONDS THE RT PROP WENT FULL FEATHER AND THE ENGINE WAS SHUTDSDR ECPR20120310466Throttle Cable · stuckAFTER PRACTICING INSTRUMENT APPROACH AND GO AROUND, THE LT ENGINE THROTTLE LEVER STUCK AT 25" MAINFOLD PRESSURE AND 2500 RPM. AFTER DEPARTURE FROM AIRPORT CONTROL AREA, INSTRUCTOR PILOT WAS ABLE TO REDUCE LT THROTTLE DOWN TO 16-18" MANIFOLD PRESSURE AT 2500
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