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 FQAR20150528075Cylinder 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.SDR FQAR20150527058Cylinder Head · crackedBORESCOPE EXAMINATION REVEALED THE NR 3 CYLINDER HEAD WAS CRACKED. AFTER THE CYLINDER WAS REMOVED, CRACKING WAS SEEN AT THE LOWER SPARK PLUG HOLE.SDR FQAR20150527060Cylinder Head · crackedBOROSCOPE INSPECTION INDICATED CRACKING IN THE RT ENGINE NR 1 CYLINDER HEAD. AFTER THE CYLINDER WAS REMOVED, CRACKS WERE OBSERVED TO THE SIDE OF THE LOWER SPARK PLUG HOLE. THE CYLINDER HEAD CASTING NR 168831.SDR FQAR20150528074Cylinder Head · crackedBOROSCOPE INSPECTION INDICATED CRACKING IN THE RT ENGINE NR 4 CYLINDER HEAD. AFTER THE CYLINDER WAS REMOVED, CRACKS WERE OBSERVED TO THE SIDE OF THE LOWER SPARK PLUG HOLE. THE CYLINDER HEAD CASTING NR C-1440.SDR FTUR20150526001Electrode · looseREMOVED AND DISASSEMBLED MAGNETOS FOR 500 HR INSPECTION AND FOUND ELECTRODE ON ROTOR LOOSE AND CAMS EXCESSIVELY WORN.SDR FQAR20150526056Cylinder Head · crackedBORESCOPE EXAMINATION REVEALED THE NR 1 CYLINDER HEAD WAS CRACKED. AFTER THE CYLINDER WAS REMOVED, CRACKING WAS SEEN AT THE LOWER SPARK PLUG HOLE. THE CYLINDER HEAD CASTING NR C-01420.SDR FQAR20150526057Cylinder Head · crackedBORESCOPE EXAMINATION REVEALED THE NR 3 CYLINDER HEAD WAS CRACKED. AFTER THE CYLINDER WAS REMOVED, CRACKING WAS SEEN AT THE LOWER SPARK PLUG HOLE. THE CYLINDER HEAD CASTING NR C-01534.SDR FQAR20150524044Cylinder Head · crackedBORESCOPE INSPECTION REVEALED THE NR 1 CYLINDER WAS CRACKED. AFTER REMOVAL, THE INSIDE OF THE HEAD WAS FOUND TO BE CRACKED TO EITHER SIDE OF THE LOWER SPARK PLUG HOLE. HEAD CASTING NR C-02282.SDR FQAR20150524045Cylinder Head · crackedBORESCOPE INSPECTION REVEALED THE NR 2 CYLINDER WAS CRACKED. AFTER REMOVAL, THE INSIDE OF THE HEAD WAS FOUND TO BE CRACKED AT THE EXHAUST VALVE SEAT. HEAD CASTING NR C-02084.SDR FQAR20150524046Cylinder Head · crackedBORESCOPE INSPECTION REVEALED THE NR 3 CYLINDER HEAD WAS CRACKED. AFTER REMOVAL, THE INSIDE OF THE HEAD WAS FOUND TO BE CRACKED TO EITHER SIDE OF THE LOWER SPARK PLUG HOLE. HEAD CASTING NR C-03224.SDR FQAR20150524047Cylinder Head · crackedBORESCOPE EXAMINATION REVEALED THE NR 1 CYLINDER HEAD WAS CRACKED. AFTER THE CYLINDER WAS REMOVED, CRACKING WAS SEEN AT THE LOWER SPARK PLUG HOLE. THE CYLINDER HEAD CASTING NR C-02859.SDR FQAR20150524048Cylinder Head · crackedBORESCOPE EXAMINATION REVEALED THE NR 2 CYLINDER HEAD WAS CRACKED. AFTER THE CYLINDER WAS REMOVED, CRACKING WAS SEEN AT THE LOWER SPARK PLUG HOLE. THE CYLINDER HEAD CASTING NR C-02284.SDR FQAR20150524049Cylinder Head · crackedBORESCOPE EXAMINATION REVEALED THE NR 3 CYLINDER HEAD WAS CRACKED. AFTER THE CYLINDER WAS REMOVED, CRACKING WAS SEEN AT THE LOWER SPARK PLUG HOLE AND AT THE EXHAUST VALVE SEAT. THE CYLINDER HEAD CASTING NR C-02883.SDR FQAR20150524050Cylinder Head · crackedBORESCOPE EXAMINATION REVEALED THE NR 4 CYLINDER HEAD WAS CRACKED. AFTER THE CYLINDER WAS REMOVED, CRACKING WAS SEEN AT THE LOWER SPARK PLUG HOLE. THE CYLINDER HEAD CASTING NR C-02908.SDR FQAR20150523051Cylinder Head · crackedBORESCOPE EXAMINATION REVEALED THE NR 3 CYLINDER HEAD WAS CRACKED. AFTER THE CYLINDER WAS REMOVED, CRACKING WAS SEEN AT THE LOWER SPARK PLUG HOLE. THE CYLINDER HEAD CASTING NR C-02195.SDR FQAR20150523052Cylinder Head · crackedBORESCOPE EXAMINATION REVEALED THE NR 4 CYLINDER HEAD WAS CRACKED. AFTER THE CYLINDER WAS REMOVED, CRACKING WAS SEEN AT THE LOWER SPARK PLUG HOLE. THE CYLINDER HEAD CASTING NR C-02077.SDR FQAR20150523059Cylinder Head · crackedBORESCOPE EXAMINATION REVEALED THE NR 3 CYLINDER HEAD WAS CRACKED. AFTER THE CYLINDER WAS REMOVED, CRACKING WAS SEEN AT THE LOWER SPARK PLUG HOLE.SDR FQAR20150520040Cylinder · crackedDURING A ROUTINE INSPECTION, SEVERAL CRACKS WERE SEEN AT THE LOWER SPARK PLUG HOLE OF THE NR 1 CYLINDER. AFTER THE CYLINDER WAS REMOVED, NUMEROUS CRACKS COULD BE SEEN IN THE INSIDE OF CYLINDER HEAD TO EITHER SIDE OF THE LOWER SPARK PLUG HOLE. THE CYLINDER SHSDR FQAR20150520041Cylinder · crackedDURING A ROUTINE INSPECTION, A CRACK WAS SEEN AT THE LOWER SPARK PLUG HOLE OF THE NR 4 CYLINDER. AFTER THE CYLINDER WAS REMOVED, THE CRACK COULD BE SEEN IN THE INSIDE OF CYLINDER HEAD TO ONE SIDE OF THE LOWER SPARK PLUG HOLE. THE CYLINDER SHOWED NO INDICATIOSDR FQAR20150520042Cylinder · crackedDURING A ROUTINE INSPECTION, SEVERAL CRACKS WERE SEEN AT THE LOWER SPARK PLUG HOLE OF THE NR 1 CYLINDER. AFTER THE CYLINDER WAS REMOVED, NUMEROUS CRACKS COULD BE SEEN IN THE INSIDE OF CYLINDER HEAD TO EITHER SIDE OF THE LOWER SPARK PLUG HOLE, WITH AN ADDITIONSDR FQAR20150520043Cylinder · crackedDURING A ROUTINE INSPECTION, SEVERAL CRACKS WERE SEEN AT THE LOWER SPARK PLUG HOLE OF THE NR 2 CYLINDER. AFTER THE CYLINDER WAS REMOVED, 2 CRACKS COULD BE SEEN IN THE INSIDE OF CYLINDER HEAD BETWEEN THE LOWER SPARK PLUG HOLE AND EXHAUST VALVE SEAT. THE CYLINSDR FQAR20150519038Cylinder Head · crackedDURING THE REPLACEMENT OF THE ENGINE'S EXHAUST RISERS, A MECHANIC NOTED THERE WAS A CRACK IN THE NR 4 CYLINDER HEAD THAT BEGAN AT THE EXHAUST STUD AND EXTENDED INWARD TO THE EXHAUST VALVE SEAT. FURTHER INSPECTION OF THE CYLINDER HEAD REVEALED CRACKING TO EITHSDR FQAR20150519039Cylinder · crackedAFTER HEAD CRACKS HAD BEEN FOUND ON ANOTHER CYLINDER INSTALLED ON THIS ACFT ENGINE, MECHANICS DECIDED TO BORESCOPE THE REMAINING 3 ENGINE CYLINDERS AND DISCOVERED CYLINDER NR 2 ALSO HAD CRACKING TO EITHER SIDE OF ITS LOWER SPARK PLUG HOLE. THE CYLINDER WAS NOSDR FQAR20150514053Cylinder Head · separatedDURING FLIGHT, THE ENGINE BEGAN TO RUN ROUGH. THE PROBLEM BECAME WORSE OVER THE NEXT FEW MINUTES AND WAS ACCOMPANIED BY A GREAT DEAL OF BANGING/RATTLING NOISES. THE PILOTS WERE ABLE TO MAKE A SAFE, THOUGH UNPLANNED, LANDING AT A NEARBY AIRPORT. INSPECTION RSDR FQAR20150512034Carburetor · bindingDURING FLIGHT, THE PILOTS NOTED THAT WHEN THE THROTTLE WAS BROUGHT TO LOW POWER/IDLE, IT WOULD BECOME STUCK AND THEY WOULD HAVE TO FORCE OR JIGGLE THE THROTTLE UNTIL IT OPENED. THEY ELECTED TO RETURN TO BASE. INSPECTION REVEALED THE CARBURETOR WAS STICKING WHSDR FQAR20150504031Bracket · crackedDURING A ROUTINE INSPECTION, A Z-SHAPED BRACKET IMMEDIATELY BEHIND THE FIREWALL WAS FOUND CRACKED. THE BRACKET IS INSTALLED ABOVE THE TUNNEL AND IS PART OF THE STRUCTURE SUPPORTING THE RUDDER PEDAL BAR. CRACKING CAN ONLY BE SEEN BY USE OF A MIRROR AND GOOD FSDR FQAR20150504032Bracket · crackedDURING A PROGRESSIVE INSPECTION EVENT, A BRACKET WAS FOUND CRACKED BELOW WHERE THE FLAP HANDLE IS MOUNTED. THE BRACKET IN QUESTION IS LOCATED IN THE TUNNEL IN THE CENTER OF THE CABIN FLOOR AND IS USED TO MOUNT THE FLAP HANDLE ASSY. IT CONTAINS NUT PLATES TO ASDR FQAR20150428030Exhaust Valve · damagedTHE PILOTS NOTED DURING THEIR FLIGHT THAT THE ENGINE WOULD RUN ROUGH BELOW 2000 RPM; A RETURN TO THE AIRPORT WAS UNEVENTFUL. A MAINTENANCE TECH GROUND RAN THE ENGINE AND CONFIRMED THE PROBLEM. WHILE PERFORMING A COMPRESSION TEST, THE NR 4 CYLINDER HAD LITTLE SDR 2015FA0000243Cable · failedTHE FWD TRIM CABLE, PN 62701-111 FAILED AT THE TRIM SERVO. THE .0625" CABLE TO MY KNOWLEDGE IS ORIGINAL AND APPROXIMATELY 35 YEARS OLD. THIS ACFT IS IN A HIGH USE AND TRAINING ENVIRONMENT AND BASED CLOSE TO THE COAST. THE TRIM CABLE AND SERVO IS ACCESSED BSDR FQAR20150406026Throttle Cable · damagedDURING INSPECTION, THE THROTTLE CABLE WAS FOUND TO BE COMING APART AT THE SWAGE NEAR THE CARBURETOR. ALL THAT HELD THE CABLE END TOGETHER WAS A RUBBER BOOT; HAD THE CABLE END COME APART, IT WOULD HAVE RESULTED IN A LOSS OF THROTTLE CONTROL. THE SWAGES ARE INCSDR FQAR20150406027Bracket · crackedDURING A ROUTINE INSPECTION, A Z-SHAPED BRACKET IMMEDIATELY BEHIND THE FIREWALL WAS FOUND CRACKED. THE BRACKET IS INSTALLED ABOVE THE TUNNEL AND IS PART OF THE STRUCTURE SUPPORTING THE RUDDER PEDAL BAR. CRACKING CAN ONLY BE SEEN BY USE OF A MIRROR AND GOOD FLSDR FQAR20150326024Bracket · crackedDURING A PROGRESSIVE INSPECTION EVENT, A BRACKET WAS FOUND CRACKED BELOW WHERE THE FLAP HANDLE IS MOUNTED. THE BRACKET IN QUESTION IS LOCATED IN THE TUNNEL IN THE CENTER OF THE CABIN FLOOR AND IS USED TO MOUNT THE FLAP HANDLE ASSY. IT CONTAINS NUT PLATES TO ASDR FQAR20150324023Bracket · crackedDURING A PROGRESSIVE INSPECTION EVENT, A BRACKET WAS FOUND CRACKED BELOW WHERE THE FLAP HANDLE IS MOUNTED. THE BRACKET IN QUESTION IS LOCATED IN THE TUNNEL IN THE CENTER OF THE CABIN FLOOR AND IS USED TO MOUNT THE FLAP HANDLE ASSY. IT CONTAINS NUT PLATES TO ASDR J4YR201503191115Shaft · crackedUPON ATTEMPTING TO START ENGINE FOR A POST MAINTENANCE GROUND RUN, THE PROPELLER TURNED THROUGH APPROXIMATELY 3 BLADES THEN STOPPED. TECH INVESTIGATED CAUSE AND REALIZED PROPELLER WAS DIFFICULT TO ROTATE FORWARD AND BACKWARDS. CLOSER INSPECTION OF THE STARTERSDR FQAR20150224018Axle · crackedDURING A ROUTINE INSPECTION, A LARGE CRACK WAS DISCOVERED IN THE LT MLG BETWEEN THE TORQUE LINK MOUNTING EARS. IF ALLOWED TO CONTINUE, IT IS LIKELY THE EAR WOULD HAVE SEPARATED, ALONG WITH THE LOWER END OF THE TORQUE LINKS. ALTHOUGH THE CRACK HAD PROGRESSED SDR FQAR20150217016Bracket · crackedDURING A PROGRESSIVE INSPECTION EVENT, A BRACKET WAS FOUND CRACKED BELOW WHERE THE FLAP HANDLE IS MOUNTED. THE BRACKET IN QUESTION IS LOCATED IN THE TUNNEL IN THE CENTER OF THE CABIN FLOOR AND IS USED TO MOUNT THE FLAP HANDLE ASSY. IT CONTAINS NUT PLATES TO ASDR FQAR20150210014Bracket · crackedDURING A PROGRESSIVE INSPECTION EVENT, A BRACKET WAS FOUND CRACKED BELOW WHERE THE FLAP HANDLE IS MOUNTED. THE BRACKET IN QUESTION IS LOCATED IN THE TUNNEL IN THE CENTER OF THE CABIN FLOOR AND IS USED TO MOUNT THE FLAP HANDLE ASSY. IT CONTAINS 2 NUT PLATES TSDR FQAR2015020900013Spring · brokenDURING A ROUTINE INSPECTION, THE RT CENTERING SPRING FOR THE NLG WAS FOUND BROKEN AT THE FORWARD END WHERE IT ATTACHES TO THE STEERING HORN. THE REMAINS OF THE SPRING WERE DANGLING AT THE FIREWALL. THERE WERE NO REPORTS TO UNUSUAL TAXI BEHAVIOR BEFOREHAND. THESDR FQAR20150209013Bracket · crackedDURING A PROGRESSIVE INSPECTION EVENT, A BRACKET WAS FOUND CRACKED BELOW WHERE THE FLAP HANDLE IS MOUNTED. THE BRACKET IN QUESTION IS LOCATED IN THE TUNNEL IN THE CENTER OF THE CABIN FLOOR AND IS USED TO MOUNT THE FLAP HANDLE ASSLY. IT CONTAINS 2 NUT PLATES SDR FQAR20150217026Carburetor · out of adjustON CLIMB, THE STUDENT PILOT BEGAN TO ACTION THE CRUISE CHECKLIST, WHICH INCLUDED LEANING THE MIXTURE. SOON AFTER LEANING, THE ENGINE DIED BUT RESTARTED WHEN THE MIXTURE WAS RETURNED TO FULL RICH. THE ENGINE CONTINUED TO WAVER IN RPM, RANDOMLY SURGING 50 RPM, BSDR CA150311009Air Box · damaged(CAN) AFTER LANDING AND DURING THE 3RD START OF THE DAY THE ACFT EXPERIENCED AN ENGINE FIRE, DURING THE MAINTENANCE INVESTIGATION IT WAS DETERMINED THAT THE FIRE STARTED IN THE CARBURETOR HEAT BOX THAT WAS INSTALLED. STC SA4428SW (INSTALLATION OF ENGINE IN ACSDR FQAR20150205011Axle · crackedDURING A ROUTINE INSPECTION, THE RT MLG APPEARED TO BE CRACKED BELOW THE STRUT BETWEEN THE TORQUE LINK ATTACH EARS. THE CRACK WAS SMALL AND COULD BE EASILY OBSCURED BY GREASE AND WAS NEARLY INVISIBLE ONCE THE TORQUE LINKS HAD BEEN DISCONNECTED AND LOAD REMOVESDR FQAR20150126009Bracket · crackedDURING A PROGRESSIVE INSPECTION EVENT, A BRACKET WAS FOUND CRACKED BELOW WHERE THE FLAP HANDLE IS MOUNTED. THE BRACKET IN QUESTION IS LOCATED IN THE TUNNEL IN THE CENTER OF THE CABIN FLOOR AND IS USED TO MOUNT THE FLAP HANDLE ASSEMBLY. IT CONTAINS NUT PLATESSDR FQAR20150126008Bracket · crackedDURING A PROGRESSIVE INSPECTION EVENT, A BRACKET WAS FOUND CRACKED BELOW WHERE THE FLAP HANDLE IS MOUNTED. THE BRACKET IN QUESTION IS LOCATED IN THE TUNNEL IN THE CENTER OF THE CABIN FLOOR AND IS USED TO MOUNT THE FLAP HANDLE ASSEMBLY. IT CONTAINS NUT PLATESSDR FQAR20150127010Bracket · crackedDURING A PROGRESSIVE INSPECTION EVENT, A BRACKET WAS FOUND CRACKED BELOW WHERE THE FLAP HANDLE IS MOUNTED. THE BRACKET IN QUESTION IS LOCATED IN THE TUNNEL IN THE CENTER OF THE CABIN FLOOR AND IS USED TO MOUNT THE FLAP HANDLE ASSEMBLY. IT CONTAINS NUT PLATES TSDR FQAR20150121007Throttle · bindingDURING ROUTINE MAINTENANCE, TECHS DISCOVERED THE CARBURETOR THROTTLE WAS JAMMED. IT COULD NOT BE DETERMINED WHAT EXACTLY WAS JAMMING, VALVE SHAFT, ACCELERATOR PUMP, OR THE VALVE ITSELF. THE CARBURETOR WAS REMOVED FROM THE AIRCRAFT AND REPLACED. THE CARBURETOSDR FQAR20150119006Tube · leakingWHEN THE ACFT LANDED WITH THE INTENTION OF PERFORMING A TOUCH AND GO, THE PILOTS BECAME AWARE OF A VIBRATION THAT INCREASED TO A SEVERE RATTLING OF THE AIRFRAME. THE IP DECIDED TO BRAKE, ABORTING THE TAKEOFF, AND REALIZED THE ACFT WAS SUFFERING FROM A DEFLATEDSDR FQAR20150112004Bracket · crackedDURING A PROGRESSIVE INSPECTION EVENT, A BRACKET WAS FOUND CRACKED BELOW WHERE THE FLAP HANDLE IS MOUNTED. THE BRACKET IN QUESTION IS LOCATED IN THE TUNNEL IN THE CENTER OF THE CABIN FLOOR AND IS USED TO MOUNT THE FLAP HANDLE ASSEMBLY. IT CONTAINS NUT PLATES TSDR FQAR201501102005Cable · separatedTHE IP & SP WERE HAD RETURNED TO THE APRON AFTER AN UNEVENTFUL FLIGHT. THE SP WAS ACTIONING THE ENGINE SHUTDOWN CHECKLIST; WHEN THE MIXTURE WAS MOVED TO THE IDLE CUTOFF POSITION, THE ENGINE DID NOT SHUTDOWN. THE PILOTS WERE FORCED TO SHUTDOWN THE ENGINE BY SELSDR FQAR20150108003Indicator · inaccurateAFTER TAKEOFF, THE IP NOTED THE ACFT DID NOT PERFORM AS EXPECTED. THE IP AND STUDENT PROCEEDED TO THE PRACTICE AREA TO PERFORM SLOW FLIGHT AND STALLS. DURING SLOW FLIGHT WITH THE FLAPS FULLY EXTENDED, THE ACFT STALLED AT 55 KTS, 10 KTS HIGHER THAN SHOULD BE E
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