Lycoming IO-720-A1B
Service difficulty reports · 50
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 = 'IO720A1B' 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 = 'IO720A1B' 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 2024F00317Display · failedGARMIN 600 PFD FAILED IN CRUISE FLIGHTSDR BEMA202111170001Heater · odorPILOT REPORTED SEEING A FLASH OF LIGHT AND A BURNING SMELL COMING FROM BELOW THE INTERMENT PANEL ON THE R/H SIDE BY THE RUDDER PEDDLES AREA. THE PILOT REPORTED AFTER TURNING THE COMBUSTION HEATER OFF THE PROBLEM WENT AWAY.SDR BEMA20201028001Connecting Rod · brokenPILOT NOTICED ONSET OF SIGNIFICANT VIBRATION, FOLLOWED BY OIL PRESSURE LOSS. SHUT DOWN LT ENGINE ON FINAL AT KMSP. PILOT NOTIFIED MSP TOWER OF ENGINE FAILURE. ONCE ON GROUND UPON COWLING REMOVAL THERE WAS EVIDENCE THE PISTON ROD ON NR 8 CYLINDER HAD A ROD BSDR BEMA202009230001Alternator · brokenRT ENGINE ALTERNATOR POWER SUPPLY STUD BROKE OFF RECTIFIER PLATE, AT THE PLATES 90 DEGREE BEND NEXT TO MADE IN CHINA STICKER. LOOKED LIKE CRACK STARTED FROM STRESS RISERS THAT FORMED IN THE BEND RADIUS OF THE RECTIFIER PLATE.SDR BEMA20200618001Dme · failedPILOT REPORTED SMOKE IN COCKPIT AND MADE AN UNSCHEDULED LANDING SAFELY AT ALTERNATE AIRPORT. UPON INVESTIGATION IT WAS FOUND THAT THE DME HAD INTERNALLY FAILED AND BURNT THE CONNECTOR. THE DME IS NOT TRACKED BY TIME OR CYCLES. SO TIMES ARE UNKNOWN.SDR BEMA2019072900001Intake Valve · brokenTHE #1 CYLINDER INDUCTION VALVE FAILED IN FLIGHT. THE PROBLEM WAS NOT DETECTED UNTIL THE PILOT DID HIE POST FLIGHT WALK AROUND. THE VALVE BROKE IN HALF AT THE NARROW SPOT WERE THE VALVE KEEPERS ARE. THE VALVE PART NUMBER IS 17A23937, AND CONTROL NUMBER FOR THESDR 2014FA0000328Adapter · crackedOIL FILTER ADAPTER CRACKED ACROSS THE UPPER LT CORNER DURING FLIGHT, CAUSING LARGE LOSS OF OIL IN APPROX 10 MINUTES OF OPERATION. PART HAS NOT BEEN DISTURBED ON THE ENGINE SINCE THE ENGINE WAS REBUILT BY MFG 573 HRS AGO IN JULY OF 2011. THE ADAPTER IS ETCHEDSDR 2014FA0000082Bushing · looseCENTER BUSHING OF DISTRIBUTOR BLOCK FOUND LOOSE IN THE PLASTIC OF THE DISTRIBUTOR BLOCK, ROTOR ARM WAS CONTACTING DISTRIBUTOR BLOCK BECAUSE OF THE BUSHING BEING LOOSE.SDR 2012FA0000384Governor · faultedACFT WAS INSPECTED, ENGINE GROUND WAS CARRIED OUT BOTH ENGINE PERFORMANCE WAS GOOD. AT THE TIME OF FERRYING ACFT UNDER THE FERRY FLIGHT PERMIT WHEN ACFT FLEW AND CRUISE AT 10,000 FEET ALTITUDE. RT PROPELLER WAS NOT RESPONDING WITH THE THE PROPELLER LEVER MOVEMSDR CA6R20110408003Governor · malfunctionedACFT INSPECTED, ENGINE GROUND RUN CARRIED OUT, BOTH ENGINE PERFORMANCES WERE GOOD. ACFT TEST FLIGHT WAS CONDUCTED AND WAS GOOD. AT THE TIME OF FERRING THE ACFT, RT PROP RPM WAS NOT PROPERLY CONTROLLED IAW THE MOVEMENT OF THE PROP LEVER WHEN ACFT WAS FLYING ASDR 2008FA0000468Hinge · cracked(2) OF THE HINGE LINKS HAD CRACKED OFF ON ONE END. UPON DISASSEMBLY IT WAS DETERMINED THAT A CRACK HAD FORMED LENGTHWISE BETWEEN THE FASTENERS AND THE HINGE LINKS. POSSIBLE CAUSE MAY HAVE BEEN FATIGUE. (K)SDR 2006FA0001212Bellcrank · crackedA CRACK WAS FOUND ON THE RT BELLCRANK SUPPORT ASSY. DURING A MANDITORY 5 YEAR INSPECTION IAW MSB 2231 REV 1. (K)SDR ZES2006F00001Audio Panel · burnedA SMELL OF SMOKE WAS DETECTED IN THE COCKPIT AND CABIN. PILOTS DECLARED AN EMERGENCY AND LANDED WITHOUT INCIDENT. (K)SDR 2006F00012Actuator · failedPILOT SELECTED GEAR DOWN FOR LANDING AND HAD NO NOSE INDICATION. HE PERFORMED A LOW LEVEL PASS AND GROUND PERSONNEL DETERMINED THAT THE NOSE GEAR WAS NOT IN THE DOWN AND LOCKED POSITION. A GEAR UP LANDING WAS MADE WITH MINOR DAMAGE TO THE AIRCRAFT. FURTHER INSSDR AU510001675Bolt · sheared(AUS) NR 2 CYLINDER CONNECTING ROD BIG END BOLT FAILED WITH OTHER BIG END BOLT BENT. NR 2 CYLINDER SEPARATED FROM CRANKCASE. (OTHER CAUSE: MATERIAL - HIGH HOURS ) (CASA NR 510001675)SDR AU510001770Gasket · failedRT ENGINE OIL COOLER LOWER FITTING GASKET FAILED. LOSS OF ENGINE OIL.SDR CVU2005F00003Shaft · shearedPUMP FAILED UNDER NORMAL OPERATING CONDITIONS (VFR, DAY).SDR CVU2005F00001Camshaft · wornSMALL METAL FLAKES KEPT RE-APPEARING IN THE OIL SCREENS. FOUND WORN CAM NR 5 AND NR 6 CYLINDER INTAKE VALVES. ENGINES REMOVED FOR REPAIR. USE MFG ENGINE OIL ADDITIVE FROM TIME OF OVERHAUL. RUN ENGINES FREQUENTLY. (K)SDR CVU2005F00002Lifter · wornSMALL METAL FLAKES KEPT RE-APPEARING IN THE OIL SCREENS. FOUND WORN CAM NR 5 AND NR 6 CYLINDER INTAKE VALVES. ENGINES REMOVED FOR REPAIR. USE MFG ENGINE OIL ADDITIVE FROM TIME OF OVERHAUL. RUN ENGINE FREQUENTLY. (K)SDR CVU2005F00000Pump · failedPUMP FAILED UNDER NORMAL OPERATING CONDITIONS. (VFR, DAY) (K)SDR CVU2004F00000Pump · failedVACUUM PUMP FAILED UNDER NORMAL OPERATING CONDITIONS. (VFR DAY)SDR BEM2004F00000Bearing · failedNR 1 ALTERNATOR WENT INOPERATIVE IN FLIGHT INVESTIGATION FOUND REAR ROTOR BEARING OF ALTERNATOR HAD NO GREASE AND FAILED.SDR KZ52004F00000Valve · inoperativePILOT REPORTED HIGH OIL TEMP 210 DEGREES-220 DEGREES F., REMOVED VALVE AND TESTED SIDE BY SIDE WITH NEW VALVE, OLD VALVE DID NOT CLOSE AT THE SAME REATE AS NEW VALVE AND OIL TEMP DECREASED TO.SDR 2004FA0000413Valve · inoperativePILOT REPORTED HIGH OIL TEMPERATURE 220-225 DEGREES, REMOVED VALVE AND TESTED SIDE BY SIDE WITH NEW VALVE, OLD VALVE DID NOT CLOSE AT THE SAME RATE AS NEW VALVE, INSTALLED NEW VALVE AND OIL TEMP DECREASED TOO.SDR AUS20040146Bolt · failed(AUS) RT MAIN LANDING GEAR TOP TORQUE LINK BOLT FAILED.SDR AUS20040063Exhaust Valve · sticking(AUS) NR 2 CYLINDER REAR PUSHROD COVER BENT AND LEAKING OIL. SUSPECT CAUSED BY STICKING EXHAUST VALVE.SDR CVU2003F00000Pump · failedPUMP FAILED UNDER NORMAL OPERATING CONDITIONS (VFR DAY).SDR AUS20030514Spacer · fractured(AUS) WING TO FUSELAGE RT SPACER FRACTURED.SDR AUS20030524Bearing · faulty(AUS) REAR MAIN BEARING SURFACE SEPARATED FROM BEARING SHELL.SDR 2003FA0000018Main Bearing · failedAFTER TEST CELL RUN, ENGINE OIL WAS DRAINED AND THE SUCTION SCREEN AND FILTER WAS CHECKED. A ABNORMAL AMOUNT OF ALUMINUM WAS FOUND. UPON DISASSEMBLY, IT WAS FOUND THAT THE FRONT BEARING HAD FAILED AT THE NR 2 JOURNAL. THE METAL APPEARED TO HAVE DELAMINATEDSDR AUS20021409Fitting · cracked(AUS) LT WING ATTACHMENT FITTING CRACKED.SDR KZ52002F00002Servo · failedPILOT REPORTED RT ENGINE TO BE LOW ON POWER, FOUND ENGINE TO BE RUNNING VERY RICH, WHICH CAUSED PLUGS TO FOUL, INSTALLED OVERHAULED FUEL SERVO AND CLEANED PLUGS, GROUND RUN AND TEST FLIGHT OK.SDR KZ52002F00001Gear · brokenA NEW STARTER NEEDS TO BE DESIGNED. ENGINE DID NOT KICK BACK DURING START.SDR AUS20021051Connecting Rod · failed(AUS) DURING AGRICULTURE OPERATIONS (SPREADING SUPER) THE PILOT ENCOUNTERED EXCESSIVE ENGINE VIBRATION AND A POSSIBLE OVERSPEED (WAS UNABLE TO READ GAUGES). ENGINE WAS SHUT DOWN AND A FORCED LANDING CARRIED OUT. INITIAL INVESTIGATION FOUND THAT NR 4 OR NR 6 CSDR AUS20020418Bolt · broken(AUS) MAIN LANDING GEAR TORQUE LINK BOLT FAILED. LOWER HALF OF OLEO STRUT, TORQUE LINKS, AXLE AND WHEEL ASSEMBLY POPPED OUT AFTER TAKEOFF.SDR AUS20020327Seal · leaking(AUS) ENGINE FUEL PUMP REAR SEAL LEAKING. FOUND DURING INSPECTION IAW AD/FSM/25.SDR AUS20020102Pin · broken(AUS) PROPELLER BLADE ACTUATING PIN BROKEN.SDR AUS20020103Pin · broken(AUS) PROPELLER BLADE PITCH ACTUATING PIN BROKEN.SDR AUS20010773Gasket · faulty(AUS) FLOW DIVIDER GASKET FAULTY. NEW ITEM FROM MANUFACTURER.SDR 2001FA0000142Cylinder · brokenBARREL TO HEAD SEPERATION DURING FLIGHT.SDR AUS20010528Pushrod · distorted(AUS) NR 7 CYLINDER EXHAUST VALVE PUSHROD BENT AND PUSHROD SHROUDDAMAGED CAUSING OIL LEAK. INVESTIGATION FOUND THE VALVE STEM CAP SEPARATED AND THE PISTON SUFFERING FROM SLIGHT IMPACT DAMAGE WITH THE EXHAUST VALVE. METAL CONTAMINATION OF OIL FILTER.SDR AUS20010527Valve · worn(AUS) NO2 CYLINDER INLET VALVE DAMAGED IN THE COLLETT RECESS AREA.VALVE STEM CAP SEPARATED AND ONLY ONE COLLETT HALF WAS RETAININGTHE VALVE SPRING. METAL PARTICLES FROM THE DAMAGED VALVE WERE FOUND IN THE OIL FILTER AND PARTICLES OF THE MISSING COLLETT WERE FOSDR 20010206CW006Exhaust Valve · brokenEXHAUST VALVE BROKEN IN HALF.SDR AU001059Line · broken(AUS) NR 2 AND NR 4 CYLINDER FUEL INJECTOR LINES PN LW-12098-0-170 AND PN LW-12098-0-240 BROKEN AT OR NEAR NIPPLE ON NOZZLE END OF LINE. (X)SDR 20000720SH034Spring · crackedEXHAUST VALVE SPRING RETAINING CAP BROKE IN HALF AND BURNED EXHAUST VALVE. (X)SDR 98ZZZX2598Stud · failedCYLINDER HOLD DOWN STUD BROKE UNDER NUT. SUSPECT DEFECTIVE STUD.SDR AU970669Crankcase · worn(AUS) CRANKCASE FRETTING IN AREA OF CRANKCASE THROUGH BOLTSSDR AU960896Clamp · faulty(AUS) PROPELLER CLAMP FAULTY - CLAMP APPEARS TO HAVE FORGING FLAW - SUSPECT MANUFACTURING FAULTSDR AU960021Nozzle · failed(AUS) ENGINE OIL SYSTEM CONTAMINATED BY METAL - NO3 CYLINDER OIL SQUIRT NOZZLE MISSING - THE NOZZLE BALL WAS FOUND IN THE CRANKCASE ANDTHE REMAINDER OF THE NOZZLE WAS FOUND IN THE SUMP FOLLOWING REMOVAL - INVESTIGATION FOUND THAT THE NOZZLE HAD BEEN CRUSHED BSDR 95ZZZX3462Crankcase · crackedWHILE ASSISTING THE OWNER/OPERATOR WITH A PREVENTIVE MAINTENANCE OPERATION, A CRACK WAS DISCOVERED ON THE FRONT SIDE OF THE NR 1 CYLINDER MOUNT PAD AREA. THE CRACK, ALTHOUGH CLEARLY VISIBLE, WAS CONFIRMED WITH DYE PENETRANT. THE CRACK DID NOT APPEAR TO BE LE
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