Lycoming 0-320 series
Service difficulty reports · 346
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 = 'O320' 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 = 'O320' 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 2008FA0000115Bulkhead · crackedTHE FORWARD BULKHEAD CRACKED THROUGH THE MOUNT MOLT HOLES. THIS HAS OCCURED SEVERAL TIMES, WARRANTS ACTION. (K)SDR 2008FA0000073Attach Fitting · corrodedTHIS FUSELAGE REAR WING ATTACH FITTING WAS BEING REPLACED DUE TO CORROSION PITTS ON FRONT SURFACE. UPON REMOVAL SOME SEVERE PITTING WAS NOTED JUST IB OF THE .3125 INCH WING ATTACH BOLT HOLE ON THE REAR SIDE OF THE FITTING. THIS AREA IS EXPOSED TO OUTSIDE AIRSDR 2008FA0000028Clamp · looseENGINE DID NOT RESPOND WHEN POWER APPLIED ON A LOW FLY BY AND CAUSED THE PLANE TO LAND NEXT TO RUNWAY IN SNOW, DAMAGING ACFT. FOLLOWING PROBLEMS WERE FOUND ON POST INCIDENT INSPECTION OF ENGINE AND EITHER ONE CAN CONTRIBUTE TO LOSS OF LITTLE ALONE BOTH TOGETSDR 2008FA0000098Mount · crackedFOUND NOSE GEAR MOUNT CORRODED THIN IN SPOTS ON THE LOWER TUBES FROM THE INSIDE. ORIGINAL THICKNESS .049 INCH AND IN THE THIN SPOTS THE THICKNESS WAS LESS THAN .020 INCH. THE MOUNT HAD BEEN REPAIRED BY WELDING AND ONE WELD WAS A COLD WELD THAT CRACKED AND ALSDR 2008FA0000375Clamp · wornENGINE DID NOT RESPOND WHEN POWER WAS APPLIED ON A LOW FLY BY OF THE RUNWAY AND CAUSED THE PLANE TO LAND NEXT TO THE RUNWAY IN THE SNOW DAMAGING THE AIRCRAFT. THE FOLLOWING TWO PROBLEMS WERE FOUND ON POST INCIDENT INSPECTION OF THE ENGINE AND EITHER ONE CAN COSDR 2008FA0000376Clamp · looseENGINE DID NOT RESPOND WHEN POWER WAS APPLIED ON A LOW FLY BY OF THE RUNWAY AND CAUSED THE PLANE TO LAND NEXT TO THE RUNWAY IN THE SNOW DAMAGING THE AIRCRAFT. THE FOLLOWING PROBLEM WAS FOUND ON POST INCIDENT INSPECTION OF ENGINE AND EITHER ONE CAN CONTRIBUTE SDR 2008FA0000109Torque Link · separatedTORQUE LINK SEPARATED ON ABORTED LANDING ALLOWING WHEEL AND AXLE ASSY TO SEPARATED FROM AC. SAFE LANDING ON UPPER CASTING ASSY WAS MADE WITH DAMAGE TO CASTING AND FLAP. AD 72-08-06 OR THIS LINK CALLED FOR 500 HR INSP. INTERVAL PAR 203.8 HR PRIOR. WOULD SUGSDR JJWA118400Belt · disintegrated§135.415(A)(16) EMERGENCY ACTIONS EXC ENGINE SHUTDOWN THIS IS NOT A CHARTER AIRCRAFT. IN LEVEL FLIGHT DURING VFR CONDITIONS, DURING CROSS COUNTRY FLIGHT TRAINING WHILE IN LEVEL FLIGHT, A SUDDEN VIRATION AND NOISE WAS HEARD FROM ENGINE AREA. INSTRUCTOR AND STUSDR JJWA118401Belt · defectiveINSTRUCTOR MADE UNSCHEDULED LANDING IN SAFE AREA AFTER EXCESSIVE NOISE AND VIBRATION FROM ENGINE AREA. FOUND AFT MAIN DRIVE BELT HAD FAILED COMPLETELY AND HAD PUSHED THE FORWARD BELT FORWARD WHERE ONLY ONE SECTION WAS STILL POWERING ROTOR DRIVE SYSTEM. ADDITISDR 2007FA0001039Shaft · shearedTHE RUDDER TRIM SHAFT ASSEMBLY'S SPRING RETAINING PIN SHEARED AT WELD, CAUSING HIGH LT RUDDER STIFFNESS AND PREVENTING THE NOSE WHEEL FROM BEING TURNED WITH TOW BAR.SDR 2007FA0001033Bulkhead · crackedDURING AN ANNUAL INSPECTION, FOUND AFT FUSELAGE BULKHEAD CRACKED AT TOP OF CUTOUT FOR ELEVATOR HORN. 50 PERCENT. THIS IS WHERE THE VERTICAL AND HORIZONTAL STABILIZERS ATTACH. THIS AREA IS HIDDEN BEHIND THE WEB OF THE VERTICAL STAB AFT SPAR AND WAS FOUND WHESDR 2007FA0000962Bungee · failedSHORTLY AFTER TAKEOFF, AIRCRAFT WENT INTO SHARP RT TURN. THE PILOT, BY USING FULL OPPOSITE RUDDER AND AVAILABLE RUDDER TRIM, WAS ABLE TO LAND AIRCRAFT SUCCESSFULLY. INSPECTION DETERMINED THAT THE RT NOSE GEAR STEERING BUNGEE SPRING RETAINER HAD DEPARTED AND SDR 2007FA0000964Pump · malfunctionedREPORTED ENGINE QUITTING DURING NORMAL CRUISE, PROBLEM ASSOCIATED WITH FUEL SYSTEM, ONCE ELECTRIC FUEL PUMP TURNED ON ENGINE WOULD RUN NORMAL, FUEL PRESS READINGS CONFIRMED FUEL STARVATION PROBLEM, INITIAL INSPECTIONS FAILED TO FIND A PROBLEM & COULD NOT BE DUSDR 20073Attach Bracket · crackedTAIL ROTOR PEDALS JAMMED DURING FLARE TO A HOVER. AIRCRAFT LANDED WITHOUT INCIDENT. UPON INSPECTION IT WAS FOUND THAT THE TAIL ROTOR PEDAL BLOCK SUPPORT BRACKET ON THE RT SIDE HAD CRACKED AT THE AFT PEDAL BLOCK ATTACH POINT ALLOWING THE PEDAL BLOCK TO PIVOT DOSDR 2007FA0000953Battery · damagedFOUND ELT BATTERY CASE BULGED ON BOTTOM. FOUND ALL CONTACTS WITHIN BATTERY COMPARTMENT LOOSE DUE TO HIGH TEMPERATURE (COULD SEE WHERE PLASTIC HAD MELTED) COULD NOT DETERMINE WHAT CAUSED THE SHORT. REPLACED ELT. (K)SDR 2007FA0000952Cylinder · failedCYLINDER HAD FAILURE, SEPARATION FROM BARREL AT 733 HRS, NOT INCORPORATED IN AD2006-12-7. (K)SDR 2007FA0000920Alternator · inoperativeALTERNATOR, DEFECT UNKNOWN, FAILED INTERNALLY, GROUND POST LOOSE INTERNALY EXCESSIVE ARMATURE END PLAY. RETURNED FOR WARRANTY. (K)SDR 2007FA0000921Alternator · inoperativeALTERNATOR, DEFECT UNKNOWN, FAILED INTERNALLY. RETURNED FOR WARRANTY. (K)SDR 2007FA0000880Alternator · inoperativeTHIS ALTERNATOR WAS OVERHAULED, OPERATED LESS THAN 50 HOURS, FAILED. THE STUD THAT HOLDS THE DIODE PLATE IN THE ALTERNATOR WAS BROKEN, AND THE SECOND STUD WAS LOOSE. THIS HAS BEEN AN ONGOING PROBLEM WITH OVERHAULS. WE ARE A SMALL SHOP, YET WE HAVE HAD MANY SDR 2007FA0000769Spar · fracturedRT WING MAIN SPAR FOUND FRACTURED IB OF STRUT ATTACH. CURRENT AD INADEQUATE TO PREVENT FURTHER FAILURES. THIS AIRCRAFT HAS LESS THAN 14 HR SINCE LAST ANNUAL INSPECTION..SDR 2007FA0000799Muffler · brokenENGINE EXHAUST TAIL PIPE FAILED AT THE MUFFLER WELD. WITH 36 HOURS TOTAL TIME SINCE NEW. LEADING EDGE EXHAUST SYSTEM WAS INSTALLED BY STC SA02200AK.SDR 2007FA0000824Fitting · crackedAC WAS BEING TAXIED FROM THE RAMP TO THE TAXIWAY, AND DURING TAXI, THE PILOTS REPORTED THAT THE NOSE GEAR STEERING SEEMED TO BE MALFUNCTIONING. UPON INSPECTION, THE NOSE GEAR STRUT APPEARED TO BE PRESSED UP AGAINST THE REAR HALF OF THE LOWER COWLING. THE LOWSDR 2007FA0000722Horn · damagedAFTER DEPARTURE PILOT NOTED UNUSUAL STICK RESTRICTION AND ABORTED TOW OF GLIDER. RETURNED FOR LANDING. UPON INSPECTION THE LOWER ARM/HORN OF THE RT ELEVATOR HORN HAD BROKEN. ALL (3) OTHER ARMS WERE UNDAMAGED AND SHOWED NO SIGN OF CRACKS. BOLTS WERE INTACT AND SDR 2007FA0000705Alternator · failedALTERNATOR FAILED AFTER 17.6 HOURS.SDR 2007FA0000706Alternator · failedALTERNATOR FAIL AFTER 174 HOURS OF NORMAL OPERATION.SDR 2007FA0000702Bearing · crackedNOSE LANDING GEAR STEERING ROD END BEARING (P/N S-1823-3) FAILED IN THREADED PART OF ROD, ALLOWING NOSE GEAR TO TURN SIDEWAYS, RESULTING IN EXCESSIVE SIDE LOAD ON NOSE LANDING GEAR ASSEMBLY, CAUSING IT TO FAIL AND SEPARATE FROM THE AIRCRAFT RESULTING IN MINOR SDR 2007FA0000689Circuit Breaker · failedPILOT STATED SMOKE IN COCKPIT. INSPECTION REVEALED ALTERNATOR OUTPUT C/B FAILED, ALTERNATOR HAD BROKEN AND LOOSE PARTS INTERNALLY, AND VOLTAGE REGULATOR FAILED. OPENED C/B AND FOUND INTERNAL PARTS HAD MELTED CAUSING SMOKE. NO SIGNS OF WIRE OVERHEATING, OR SSDR 2007FA0000503Bearing · roughPILOT REPORTS GRINDING NOISE FROM TAIL ROTOR DRIVESHAFT. REMOVED DRIVESHAFT ASSY AND DISCOVERED ROUGH A041-11 DAMPER BEARING. REPLACED BEARING ASSY. CLOSER EXAMINATION SHOWED PAINT USED DURING DRIVESHAFT ASSEMBLY ON LIP OF SEAL. OVER TIME THIS DAMAGED THE LIPSDR 2007FA0000480Spar Cap · corrodedFUEL TANK REMOVED DUE TO LEAKING VENT LINES. UPON REMOVAL, DISCOVERED RT WING UPPER SPAR CAP SEVERLY CORRODED. MAJOR EXFOLIATION TO THE SPAR CAP AT THE OB SECTION OF THE FUEL TANK OPENING.SDR 2007FA0000189Control Cable · frayedPILOT REPORTED EXCESSIVE MOVEMENT IN LT FLAP DURING PRE-FLIGHT WALK AROUND OF AIRCRAFT. INITIAL INVESTIGATION BY MAINTENANCE PERSONNEL CONFIRMED FINDINGS. MAINTENANCE PERSONNEL DISCOVERED THAT CABLE P/N 0510105-93 HAD MULTIPLE BROKEN STRANDS/FRAYING NEAR THESDR 2007FA0000182Aileron · misrepairedDURING POWER OFF (CLEAN CONFIGURATION) STALLS, THE AIRCRAFT WOULD SUDDENLY BREAK LT AND IF NOT IMMEDIATELY STOPPED COULD LEAD TO A SPIN. AFTER RERIGGING ALL FLIGHT CONTROLS, CHECKING THE AIRCRAFT ALIGNMENT WITH A LASER AND SEVERAL TEST FLIGHTS BOTH BY COMPANYSDR 2007FA0000050Attach Angle · crackedDURING INSPECTION, ANGLE PN 5102296-15 AND PN 5102296-16, WERE FOUND CRACKED IN THE UPPER END OF THE ANGLE AS INSTALLED. CAUSE OF CRACKING IS BELIEVED TO BE DUE TO HIGHT STRESS LOADS IN THIS AREA. (K)SDR 2007FA0000064Cylinder · damagedDURING AN ANNUAL INSPECTION FO THE LT MLG CYLINDER ASSY PN 6531904, IT WAS FOUND TO BE LOOSE IN THE MAIN WING SPAR. THE LT MLG WAS REMOVED FOR FURTHER INSPECTION OF THE LT MAIN WING SPAR ASSY GEAR ATTACHING BOLT HOSES AND ATTACH POINTS. CLOSE INSPECTION FO TSDR 2007FA0000122Nut · looseTHE NR 3 CYLINDER EXHAUST ROCKER ARM RETAINING NUT BECAME LOOSE, REDUCING LIFT ON THE EXHAUST VALVE, NOT ALLOWING SUFFICIENT AIR TO EXIT THE CYLINDER. PRESSURE IN THE CYLINDER EXCEDED THE STRENGTH OF THE INTAKE VALVE SYSTEM TO OPEN, CAUSING THE INTAKE PUSHRODSDR 2007FA0000008Spar · looseDURING AN ANNUAL INSPECTION OF THE LT MAIN LANDING GEAR ASSY PN 35644-902, IT WAS FOUND TO BE LOOSE IN THE MAIN WING SPAR. THE LT MAIN LANDING GEAR WAS REMOVED FOR FURTHER INSPECTION OF THE LT MAIN WING SPAR ASSY GEAR ATTACHING BOLT HOSES AND ATTACH POINTS. SDR 2007FA0000452Piston · failedINSTALLED A PISTON AIR PUMP (PN IU478-003, SER NR T568A) ON AUG 25, 2005. THE PUMP DRIVE COUPLING FAILED BY 12/06 WITH LESS THAN 66 HOURS ON IT. COUPLING FAILED INTERNALLY IN PUMP, WITH PLASTIC/SILICON DEBRIS IN ENG/DRIVE INTERFACE. (K)SDR 2007FA0000143Control Cable · brokenRUDDER CONTROL CABLE BRAKES DURING FLIGHT TRAINING WHILE PERFORMING FORWARD SLIP MANEUVER ON FINAL APPROACH. INITIAL INSPECTION SHOWS CABLE BROKE JUST FORWARD OF TERMINAL END AT THE LOWER BELL CRANK. FURTHER INSPECTION REVEALED THE CAUSE OF FAILURE TO BE CORSDR 2006FA0001098Primer Line · leakingNOTED FUEL SPRAYING OUT WHEN TRYING TO PRIME ENGINE FOR START. FOUND LINE CRACKING AT WELDED TIP AREA. ON PRIMER LINE, WHERE IT ATTACHES TO CYLINDER FITTING. THIS IS A BAD TYPE END ON LINE. SUGGEST MORE SECURITY OF PRIMER LINES AT MORE PLACES, TO MINIMIZE SDR 2006FA0001099Wire · brokenALTERNATOR FAILED AND MAIN POWER BUS FEED WIRE BROKEN FROM ALTERNATOR. TERMINAL ENDS, PROBABLY DUE TO VERY TIGHT AREA AND VIBRATION. PREVENTION MIGHT BE TO ENLARGE AREA WHERE WIRES PASS THRU BAFFLING TO LIGHTEN VIBRATION AND STRESS ON WIRES BEING BENT TO FITSDR FAA1023001Exhaust Valve · separatedPILOT REPORTED ENGINE VIBRATION FOLLOWED BY PROGRESSING LOSS OF POWER WHICH EVENTUALLY LED TO COMPLETE LOSS OF POWER AND ENGINE FAILURE. PILOT EXECUTED AN UNEVENTFUL EMERGENCY LANDING ON A PAVED STATE HIGHWAY. NO DAMAGE TO AIRCRAFT UPON LANDING. RESULTS OF ESDR 5292S1006Exhaust Valve · separatedPILOT REPORTED ENGINE VIBRATION FOLLOWED BY PROGRESSING LOSS OF POWER WHICH EVENTUALLY LED TO COMPLETE LOSS OF POWER AND ENGINE FAILURE. PILOT EXECUTED AN UNEVENTFUL EMERGENCY LANDING ON A PAVED STATE HIGHWAY. NO DAMAGE TO AIRCRAFT UPON LANDING. UPON EXAMINASDR 2006FA0000990Brush Holder · wornDURING AC OPERATION, ALTERNATION CEASED PUTTING OUT POWER. UPON INSPECTION AFTER REMOVAL, FOUND FIELD BRUSHES PREMATURELY WORN, AND COCKED OVER IN BRUSH HOLDER. (K)SDR 2006FA0000880Plunger · separatedFUEL STRAINER WOULD NOT DRAIN WHEN ACTUATED. INVESTIGATION REVEALED THAT THE RUBBER NIPPLE HAD SEPARATED FROM THE PLUNGER, (P/N 0756010-11). THE FUEL SUMP DRAIN ON THE LT WING ALSO LEAKED AND WAS REPLACED. THE AC HAD RECENTLY BEEN PURCHASED AND IT WAS NOTED THSDR CA061019012Float · unserviceable(CAN) THE CARBURETOR WAS DISASSEMBLED INSPECTED AND THE FLOAT ASSY HAD GAS IN .5 OF THE FLOAT. FLOAT HAD NO APPARENT HOLES OR CRACKS AS FLUID WAS INSIDE AND WOULD NOT DRAIN OUT. (TC NR 20061019012)SDR 2006FA0000885Muffler · crackedDURING ANNUAL INSP FOUND CRACK AT END OF ONE SUPPORT BRACE WITH EVIDENCE OF EXHAUST LEAK. ADVISED OWNER, HE SAID HE HAD EXPERIENCED EXHAUST LEAKAGE WITH MILD NOSE AND LEAKAGE. REPAIRED MUFFLER AND RETURNED TO US AND MUFFLER WAS REINSTALLED. (K)SDR 2006FA0000785Motor · shortedLIGHT WEIGHT STARTER MOTOR FAILED (SHORTED INTERNALLY) AFTER 1.5 YEARS SERVICE. (K)SDR 2007FA0000025Seat Back · brokenINSPECTED SEATS IAW AD 87-20-03R2 FOUND PILOTS SEAT BOTTOM ASSY BROKEN AT LEFT FWD ATTACH POINT AND RT FWD CRACKED. (K)SDR 2006FA0000726Drag Link · failedDURING THE INVESTIGATION, IT WAS DISCOVERED THAT THE RT MLG UPPER DRAG LINK ASSY HAD FAILED AT THE ATTACHMENT POINT FOR THE MLG DOWNLOCK LATCH ASSY. A VISUAL INSPECTION OF THE BROKEN DRAG LINK SHOWED THAT THE ASSY HAD A METAL FATIGUE CRACK ALONG THE CIRCUMFERSDR 2006FA0000747Fuel Line · chafedDURING AN ANNUAL INSPECTION, BOTH ENGINE FUEL SUPPLY LINES WERE FOUND TO BE CHAFFING THE FWD BULKHEAD OF THE LANDING GEAR BOX STRUCTURE AT BS 56.70. MDG HAS INSTALLED A THIN PLASTIC SLEEVE OVER THE LINES IN THE AREA OF THE CHAFE BUT, AFTER 2564 HOURS, THE SLESDR 2006FA0000641Starter · misoverhauledUPON RECEIPT OF STARTER, INITIAL INSPECTION REVEALED LOOSE HARDWARE ATTACHING FRONT HOUSING TO STATOR HOUSING. DISASSEMBLED UNIT AND FOUND TWO PIECES OF SOLDER IN ARMATURE AREA; ONE APPROX .2500 X .7500 X .0625 INCH, THE SECOND APPROX .2500 INCH X 2 INCHES X .
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