Lycoming O-320-H2AD
Service difficulty reports · 326
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 = 'O320H2AD' 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 = 'O320H2AD' 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 CA030127004Crankshaft · corroded(CAN) CORROSION FOUND UNDERNEATH URETHABOND COATING APPLIED IN ACCORDANCE WITH SB 505B, SB 530A AND AD 998-02-08. URETHABOND COATING IS APPLIED TO PREVENT CORROSION, BUT AS IN MOST CASES, IT DID NOT.SDR CA030122005Indicator · reads highAT HIGH RPM, THE OIL PRESSURE GAUGE WAS READING PAST THE RED LINE. ENGINE OIL PRESSURE WAS CHECKED USING EXTERNAL GAUGE FOUND TO BE WITHIN MANUFACTURES LIMITS. OIL PRESSURE GAUGE WAS REPLACED. THE OLD GAUGE WAS INSPECTED AND NOTHING COULD BE SEEN CAUSING THSDR 2002FA0001346Fitting · corrodedFUEL ODOR IN CABIN, INSPECTED AND FOUND FUEL LINE COUPLERS UNDER HEAD LINER DRY ROTTED. ON THE LT SIDE, MFG ROUTED THE AIR VENT DUCT (SCAT HOSE) ON TOP OF THE FUEL VENT LINE CORROSION CREATED A HOLE FROM DAMPNESS AND AGE, FUEL SEEPS THROUGH THE HOLE.SDR CA021120006Switch · failed(CAN) SMOKE IN THE CABIN WAS DETERMINED TO BE FROM THE LANDING LIGHT SWITCH. SWITCH WAS SHUT-OFF BUT CONTINUED TO SMOKE. ONLY WAY TO STOP SMOKING WAS TO TURN OFF THE BATTERY MASTER AS THE CIRCUIT BREAKER IS OF A TYPE THAT CANNOT BE MANUALLY PULLED. NEW SWITCH SDR AUS20021299Seat Track · worn(AUS) RH INBOARD AND LH OUTBOARD SEAT TRACKS WORN BEYOND LIMITS. FOUNDDURING INSPECTION IAW AD/C172/53 AMDT2.SDR AUS20021349Bellcrank · corroded(AUS) ELEVATOR BELLCRANK CONTAINED SEVERE EXFOLIATION CORROSION. SIGNSOF CORROSION ALSO FOUND ON RUDDER HINGES.SDR CA021009023Tube · separated(CAN) INJECTION TUBE IN CARB BROKE LOOSE IN FLIGHT AND JAMED THROTTLE IN 2400 RPM RANGE. AIRCRAFT LANDED AT HIGH RATE OF SPEED AND MAIN TIRES WHERE BLOWN ON ROLL OUT.SDR AUS20021156Rib · corroded(AUS) LT AND RT WING LEADING EDGE RIBS SEVERELY CORRODED. SIXTEEN RIBS AND BOTH BOTTOM OUTBOARD WING SKINS REQUIRED REPLACEMENT. FOUND WHEN RIBS DISMANTLED AFTER FINDING BULGING ALONG THE SPAR INSEVERAL AREAS OUTBOARD OF THE WING STRUTS DURING PERIODIC INSPECTSDR CA020722015Skin · cracked(CAN) WHEN STEPPING ONTO FUSELAGE STEP, THE STEP HAD MORE 'GIVE' THAN NORMAL. WHEN STEP WAS UNBOLTED, CRACKS WERE SEEN IN THE FUSELAGE SKIN. ALL COMPANY 172S & 172RGS WERE CHECKED AND ALL HAD CRACKS DEVELOPING TO SOME DEGREE. IT SEEMS THAT THE INSTALLATION ISNSDR CA020724004Wheel · cracked(CAN) 2 OUTBOARD WHEEL HALFS FOUND CRACKED AROUND BOLTS (CRACKS MAYBE CAUSED BY OVERTORQUE).SDR 2002FA0000619Stud · brokenTHE STUD THAT HOLDS DOWN THE EXHAUST ROCKER SNAPPED OFF, CAUSING ROCKER AND RELATED PARTS TO FLOAT AROUND IN VALVE COVER. LOOSE PARTS THEN LODGED BETWEEN INTAKE ROCKER CAUSING 30 DEGREE BEND IN PUSH ROD AND SHROUD. THE STUD THAT BROKE, BROKE AT THREADS WITHISDR 2002FA0000505Hose · saturatedTHE RUBBER INDUCTION COUPLING HOSES ON THE ENGINE WERE FOUND TO BE SATURATED WITH FUEL. IT APPEARS THE FUEL WAS PERMEATING RIGHT THROUGH THE HOSE. FOUND THEY WERE REPLACED AT 62 FLIGHT HOURS AND 9 MONTHS EARLIER. INSTALLED LW18101 HOSES AT THIS TIME.SDR CA020411007Spring · disconnected(CAN) DURING THE PRE-FLIGHT INSPECTION, THE FLIGHT INSTRUCTOR NOTICED A COMPLETE DEFLEXION OF THE RUDDER CONTROL (TOWARDS THE RIGHT) WHEN THE NOSEWHEEL WAS CENTERED. AS WELL, THE PEDALS WERE NOT EVEN. DURING MAINTENANCE, NOTICED THAT THE FRONT PART OF THE SSDR AUS20020151Pin · missing(AUS) CARBURETOR THROTTLE LEVER LOCKNUT SPLIT PIN MISSING AND LOCKNUT LOOSE.SDR CA020308006Coil · wrong part(CAN) NEW OVERHAUL ENGINE FROM LYCOMING. ENGINE 25 HOURS. ENGINE VERY ROUGH BACKFIRE, NO POWER. POINTS DEEPLY PITTED, BRUSH ASSEMBLY WORN AT 25 HOURS. CANADIAN AIRCRAFT COMPONENT CORD STRIP REPORT W/O 2244. WRONG PART NUMBER COIL FOR THIS MAGNETO 10-38258SDR CA020125004Door Frame · cracked(CAN) ON A 200 HOUR INSPECTION WHILE INSTALLING LT HEATING DUCT LOOKING THROUGH LIGHTNING HOLE AT BOTTOM LT DOOR POST. FOUND AN 1 1/2 INCH CRACK AT DOOR HINGE SCREWS.SDR CA020103004Magneto · failed(CAN) THE AIRCRAFT ENGINE HAD JUST UNDERGONE AN ON CONDITION INSPECTION AND HAD MET ALL REQUIRED PARAMETERS, INCLUDING FULL POWER CHECK. ONE SIDE OF THE DUAL MAG FAILED ON FIRST FLIGHT POST INSPECTION. UPON DISSASSEMBLY OF DISTRIBUTION BLOCK. SEVERAL ROTOR TEESDR AUS20011304Nozzle · missing(AUS) CARBURETTOR DISCHARGE NOZZLE MISSING.SDR 2001FA0000614Pressure Switch · leakingON ANNUAL INSPECTION FOUND OIL DRIPPING ON RIGHT SIDE OF AFT FIREWALL IN CABIN. TRACED TO LEAKING HOUR METER OIL PRESSURE SWITCH. SWITCH WAS LEAKING INTERNALLY. REPLACED SWITCH.SDR CA011120013Crankshaft · corroded(CAN) CORROSION FOUND UNDERNEATH PROTECTIVE COATING APPLIED BY FACTORY AT OVERHAUL AS PER LYCOMING SB 505B AND 530A AND AD 98-02-08.CRANKSHAFT HAS BEEN RETURNED TO FACTORY FOR WARRANTY CONSIDERATION AND INSPECTION.SDR CA011116017Crankshaft · corroded(CAN) CORROSION FOUND UNDERNEATH URETHABOND COATING APPLIED BY FACTORY AT OVERHAUL AS PER SB 505B AND SB 530A AND AD 98-02-08.CRANKSHAFT HAS BEEN RETURNED TO FACTORY FOR WARRANTY CONSIDERATION AND INSPECTION.SDR CA020109002Crankshaft · corroded(CAN) CORROSION FOUND UNDER URETHABOND COATING APPLIED BY FACTORY AT OVERHAUL AS PER SB 505B AND SB 530A AND AD 98-02-08.CRANKSHAFT HAS BEEN RETURNED TO FACTORY FOR WARRANTY CONSIDERATION AND INSPECTION.SDR CA011119002Spring · broken(CAN) SHORTLY AFTER TAKEOFF & DRING CRUISE EXCESSIVE LT RUDDER WAS AREQD TO KEEP A/C STRAIGHT. PILOT CALLED THUNDER BAY TOWER, & REPORTED RUDDER PROBLEMS & DIFFICULTY CNTLLING AIRCRAFT. PILOT REQED TO LAND WITH EMERG VEHICLES READY. A/C LANDED SAFELY & TAXIED SDR CA010829009Fuel Tank · cracked(CAN) TANK WOULD ALWAYS POP OR OIL CAN AS IT WAS FILLED, LEAK WOULD ONLY OCCUR WHEN TANK WAS FUELLED RIGHT TO THE TOP. IT IS BELIEVED THAT THE REPETITIVE OIL CANNING OF THE TANK CAUSED A FATIQUE CRACK TO START. THE TANK WAS REPAIRED AND THE UPPER SURFACE WAS CSDR AUS20010717Crankcase · faulty(AUS) CRANKCASE INCORRECTLY LINE BORED REDUCING DECK HEIGHT BY 1.016MM(0.040IN). THIS ALLOWED NO3 PISTON TO CONTACT THE CYLINDER HEAD.METAL CONTAMINATION OF ENGINE. PERSONNEL/MAINTENANCE ERROR.SDR 20010612CW013Throttle Arm · crackedTHROTTLE ARM FOUND CRACKED DURING 100 HOUR INSPECTION, FIRST APPEARED TO BE CASTING FLASH. PART REMOVED, DYE CHECKED AND VERIFIED CRACKED.SDR 2001FA0000181Gasket · defectiveAD 200-18-23 WAS C/W BY INSTALLING NEW GASKET PT 06B23072 UNDER OIL FILTER ADAPTER PLATE. WITHIN 34 HOURS, GASKET BLEW OUT AND ALL THE OIL WAS BLOWN OUT. AIRCRAFT RETURNED TO AIRPORT SAFELY. INSPECTION OF GASKET REVELED THAT THE RUBBER GASKET HAD DISSOLVED SDR AU010251Control Column · contaminated(AUS) CONTROL YOKE CONTAMINATED INTERNALLY WITH WATER. FOUND DURING INSPECTION IAW CESSNA SEB 01-3SDR 20010410AP008Stud · brokenPILOT REPORTED BAD VIBRATION ON FINAL APPROACH. UPON INSPECTION IT WAS DISCOVERED THAT THREE OF FOUR OF THE TOP CYLINDER HOLD DOWN STUDS ON THE NR 3 CYLINDER HAD BROKEN OFF AT THE ENGINE CASE. NO INTERNAL DAMAGE WAS FOUND. CAUSE UNKNOWN.SDR 20001204SH018Case · corrodedABOVE 2,100 RPM, ENGINE WOULD HAVE ROUGHNESS. LEFT MAG WOULD CHECK GOOD, BUT RIGHT WOULD RUN ROUGH AND CAUSE AFTERFIRING, SOMETIMES VERY LOUDLY. BELOW 2,100 RPM, MAG CHECKS WERE NORMAL. PROBLEM TRACED TO POOR CONTACT ASSY GROUND CAUSED BY CORROSION IN MAGNESDR CA001123011Bulkhead · cracked(CAN) DURING ENGINE AND PROP REMOVAL, THE SPINNER BULKHEAD WAS FOUND CRACKED AROUND THE BOLT HOLES.SDR CA001201015Contactor · worn(CAN) FAILURE OF THIS MAG WAS CAUSED BY EXCESSIVE WEAR OF THE NYLON RUB BLOCKS ON THE POINTS. TEAR DOWN INSPECTION OF THE MAG REVEALED WORN BLOCKS AND THE WICKS WERE DRYER THAN NORMAL. THERE IS NO EVIDENCE OF THE TYPE OF OVERHEATING THAT IS CAUSED BY A FAILEDSDR CA001108002Magneto · failed(CAN) ENGINE STARTED TO RUN ROUGH IN FLIGHT AND THEN QUIT. AIRCRAFT FORCED TO DO EMERG LANDING. PRIOR TO INCIDENT, 4.1 HRS EARLIER, RIGHT MAG ROUGH AND DROPPING BELOW LIMITS ON STATIC RUN. MAG REMOVED INTERNAL TIMING SET, REINSTALLED. POINT GAP PRIOR TO RE-SDR AU001025Actuator · corroded(AUS) ELEVATOR TRIM ACTUATOR CORRODED INTERNALLY WITH THE LUBRICANT DRIED OUT. AIRCRAFT HAD BEEN STRIPPED AND RE-SPRAYED APPROXIMATELY SIX WEEKS PREVIOUSLY WHICH MAY HAVE CONTRIBUTED TO THE PROBLEM. (X)SDR 20001120SH063Plug · missingAIRCRAFT WAS FLYING FROM TULSA TO SILOAM SPRINGS, 8 MILES FROM SILOAM SPRINGS AIRPORT, PILOT REPORTED THE ENGINE OIL PRESSURE WAS FLUCTUATING FROM ZERO TO 60 PSI. THE ENGINE THEN STARTED TO VIBRATE SEVERELY BEFORE THE ENGINE COMPLETELY STOPPED. UPON INSPECTISDR 20000912SH019Capacitor · openOPEN ''P'' LEAD CIRCUIT. (X)SDR CA001019009Stud · broken(CAN) THIS INCIDENT OCCURRED 30 MI EAST OF ATIKOKAN. CREW CONTINUED FLIGHT UNITL REACHING THE ATIKOKAN AIRPORT. FAILURE OF NR 2 CYLINDER EXHAUST ROCKER CAM STUD. THE CONDITION OF THE BROKEN STUD AND NUT WOULD INDICATE THAT THE NUT WAS INSTALLED IN A CROSS THRESDR AU000874Alternator · faulty(AUS) ALTERNATOR FAILED. INVESTIGATION COULD FIND NO FAULT. SUBMITTER SUSPECTED CAUSED BY STICKING BRUSH. (X)SDR AU000641Valve Guide · carboned(AUS) NR 4 CYLINDER EXHAUST VALVE STICKING IN VALVE GUIDE DUE TO CARBON BUILD-UP. (X)SDR 20001019SH028Plug · missingAIRCRAFT WAS FLYING FROM TULSA/SILOAM SPRINGS, 8 MILES FROM SILOAM SPRINGS AIRPORT, PILOT REPORTED THE ENGINE OIL PRESSURE WAS FLUCTUATING FROM ZERO TO 60 PSI. ENGINE THEN STARTED TO VIBRATE SEVERELY BEFORE ENGINE COMPLETELY STOPPED. UPON INSPECTION OF AIRCRSDR 20001101SH007Valve · missingTHE AIRCRAFT WAS FLYING FROM TULSA TO SILOAM SPRINGS AND 8 MILES FROM SILOAM SPRINGS AIRPORT, PILOT REPORTED THE ENGINE OIL PRESSURE WAS FLUCTUATING FROM ZERO TO 60 PSI. THE ENGINE THEN STARTED TO VIBRATE SEVERELY BEFORE THE ENGINE COMPLETELY STOPPED. UPON ISDR AU000955Camshaft · spalled(AUS) CAMSHAFT LOBES AND ASSOCIATED LIFTERS SPALLED, PITTED, AND WORN. (X)SDR 20000811SH009Plug · failedENGINE DOES NOT HAVE T-MOD\ WHEN CHANGING VALVE COVERS. FOUND LYC PN LW-LW15316 EXHAUST (GASKETS) VALVE CAP LAYING IN BOTTOM OF VALVE COVER, LIFTER P/N LW-16586, WAS NOT PUMPED UP WITH OIL AND WAS BLED DOWN. THIS MAY HAVE ALLOWED THE CAP TO FALL OUT. ENGINESDR CA000720008Carburetor · failed(CAN) THE RECENTLY OVERHAULED ENGINE WOULD START (ON PRIMING FUEL) AND THEN QUIT (AS IF THE MIXTURE CONTROL WAS IN IDLE CUTOFF), CARBURETOR REMOVED AND ANOTHER CARB PUT ON ENGINE - RAN NORMAL CARB MIXTURE, CONTROL SEEMS TO BE STUCK ON IDLE CUT-OFF INTERNALLY,SDR 20000802SH015Keeper · failedMAJOR DAMAGE TO THE ENGINE CAUSED AS A RESULT OF THE VALVE KEEPERS BREAKING AND ALLOWING THE EXHAUST VALVE TO FALL INTO THE COMBUSTION CHAMBER FOR CAUSE APPEARS TO BE KEEPERS BROKE WHILE WEARING ON THE VALVE UNTIL RELEASE. THE VALVE BROKE AWAY FROM THE HEAD OSDR 20000802SH016Valve · failedMAJOR DAMAGE TO THE ENGINE CAUSED AS A RESULT OF THE VALVE KEEPERS BREAKING AND ALLOWING THE EXHAUST VALVE TO FALL INTO THE COMBUSTION CHAMBER FOR CAUSE APPEARS TO BE KEEPERS BROKE WHILE WEARING ON THE VALVE UNTIL RELEASE. THE VALVE BROKE AWAY FROM THE HEAD OSDR 20000724SH005Valve · seizedNR 1 CYLINDER EXHAUST VALVE SEIZED IN GUIDE, DESTROYED PISTON. RESULTANT OIL SYSTEM CONTAMINATION HUNG NR 2 CYLINDER INTAKE LIFTER, BROKE CONNECTIN ROD, AND FAILED CASE. LYC MANDITORY SB NR 388B DATED MAY 13, 1992, ADDRESSES SCHEDULED VALVE TO GUIDE CLEARANCSDR 20000627SH013Air Box · missingENGINE DEVELOPED VIBRATION IN-FLIGHT AND LOSS OF POWER. MAINTENANCE REMOVED CARBURETOR AIR BOX AND CARBURETOR. FOUND PIECE OF SEAL FROM AIR BOX FLAPPER VALVE BROKEN OFF AND LODGED IN THE VENTURI. (X)SDR AU000456Hose · loose(AUS) ENGINE CARBURETOR HEAT SCAT HOSE CLAMP MISSING.SDR AU000325Filter · contaminated(AUS) AIRFRAME FUEL FILTER CONTAMINATED WITH AN UNKNOWN CLEAR GEL TYPE SUBSTANCE.
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