Lycoming TIO-540-A2C
Service difficulty reports · 249
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 = 'TIO540A2C' 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 = 'TIO540A2C' 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 CA980915018Wire · broken(CAN) ON APPROACH, DURING LANDING GEAR LOWERING, NO LIGHT INDICATION OR FLAG FOR THE RIGHT MAIN LANDING GEAR. EMERGENCY DECLARED AND AIRCRAFT LANDED SAFELY. MAINTENANCE INVESTIGATION FOUND A BROKEN WIRE.SDR AU981092Plate · cracked(AUS) RIGHT ENGINE INBOARD ENGINE MOUNT PLATE LOOSE AND RIVETS MISSING. PART TC: 9,754.SDR AU981006Rod · cracked(AUS) NR 3 CYLINDER CONNECTING ROD CRACKED. FOUND USING FLUORESCENT MAGNETIC PARTICLE TECHNIQUE.SDR AU980640Pump · seized(AUS) RT ENGINE DRIVEN FUEL PUMP FAILED INTERNALLY.SDR AU980562Bolt · failed(AUS) LT ENGINE NR 6 CYLINDER HOLD-DOWN BOLTS/STUDS (6OFF) BROKEN.SDR CA980603003Bolt · failed(CAN) LOSS OF POWER ON NR 1 ENGINE FOLLOWED BY OIL LOSS. ENGINE WAS SHUTDOWN. INSPECTION FOUND THE STUDS AND THRU BOLT ON THE ENGINE CASING BROKEN.SDR CA980529003Hinge · cracked(CAN) LANDING GEAR DOOR HINGE BRACKET CRACKED IN INNER RADIUS. REPLACED.SDR AU980542Coil · failed(AUS) MAGNETO COIL CASE SHORT CIRCUITING TO MAGNETO FRAME.SDR CA980506010Transition · cracked(CAN) TURBOCHARGED TRANSITION HEADER LOOSING POWER. TRANSITION REMOVED, FOUND CRACKED INSIDE AND HAD BEEN PREVIOUSLY REPAIRED, WELD LIFTING AND CRACKING. REPAIRED.SDR AU981359Lug · separated(AUS) ROCKER SHAFT RETAINING LUG BROKE OFF THE ROCKER HAT ALLOWING THE INLET VALVE ROCKER SHAFT TO MIGRATE AND THE ROCKER TO DISLODGE. THE LUG IS NORMALLY SILVER SOLDERED TO THE ROCKER HAT. SUBMITTER SUSPECTED CAUSE AS POORLY SOLDERED JOINT.SDR CA980402021Spar · cracked(CAN) AILERON FRONT SPAR FOUND CRACKED. FOUND DURING REBUILD. AD 96-21-03 MANDATED SB 974 THE INSTALLATION OF BRACKET WHICH TERMINATED REPEAT INSPECTION. REPAIRED.SDR AU980329Cylinder · failed(AUS) LT ENGINE NR 1 CYLINDER FAILED. METAL CONTAMINATION OF OIL SYSTEM.SDR CA980309009Rib · cracked(CAN) DURING INSPECTION CRACKS FOUND IN ELEVATOR INBOARD IN AREA OF TORQUE TUBE ATTACHMENT HOLES. ELEVATOR MUST BE REMOVED FOR VERIFICATION AND REPAIR.SDR CA971231019Locking Pins · missing(CAN) DURING INSPECTION PRIOR TO DECONTAMINATION, FOUND THE COUNTERWEIGHT LOCKING ROLL PINS WERE MISSING ON ALL THREE BLADES (6 BOLTS). ALSO, THE COUNTERWEIGHT BOLTS WERE NOT DRILLED FOR THE 57A0285 ROLL PINS.SDR CA971216017Turbo Charger · dragging(CAN) DURING CRUISE AT 13,000 FEET, THE CREW NOTICED A REDUCTION IN MANIFOLD PRESSURE ON NR 2 ENGINE THAT COULD NOT BE REGAINED WITH THE THROTTLE. THE AIRCRAFT DIVERTED AND LANDED WITHOUT INCIDENT. POST-FLIGHT INSPECTION FOUND THE TURBOCHARGER ROTATING GROUPSDR AU971538Valve · faulty(AUS) ENGINE OIL TEMPERATURE VALVE FAULTY.SDR CA970820007Crankshaft · broken(CAN) ENGINE FAILED IN FLIGHT. REPORT FROM OVERHAUL FACILITY DETERMINED THE CRANKSHAFT FAILED IN TWO (2) PLACES. THE SEPARATION OCCURRED IN THE THROW AREA (NOT THE MAIN BEARING JOURNAL). THE SUSPECTED CAUSE TO BE EITHER FATIGUE OR POSSIBLE OVERBOOST/PROP STRIKSDR CA970610004Cylinder · cracked(CAN) ENGINE WAS LEAKING OIL. INSPECTION FOUND THE #2 CYLINDER WAS CRACKED.SDR 97ZZZX2899Seal · leakAFTER TAKEOFF DURING CLIMB-OUT, PILOT NOTICED FINE SPRAY OF OIL MIST FROM RT ENGINE OUTBOARD SIDE AND TRACE OF OIL LEAK BEGIN TO FORM. PILOT MADE AN UNEVENTFUL LANDING AND ENGINEERING INVESTIGATION WAS CARRIED OUT. NR 3 CYLINDER EXHAUST PUSHROD LOCKING CLIP SDR CA970521003Crankshaft · broken(CAN) SHORTLY AFTER CRUISE FLIGHT WAS ESTABLISHED THE RIGHT HAND ENGINE FAILED. THE ENGINE WAS SECURED AND THE AIRCRAFT RETURNED TO THE POINT OF DEPARTURE. POST FLIGHT INSPECTION REVEALED NO EXTERNAL DAMAGE, FLUID LOSS, ETC, HOWEVER THE PROPELLER COULD BE ROTASDR AU970438Power Pack · faulty(AUS) HYDRAULIC POWER PACK FAULTY - SUSPECT INTERNAL LEAKSDR 97ZZZX2613Cylinder · studs failedPOSSIBLE 'BOGUS' PARTS. ON 3-7-97, LT ENGINE WENT ROUGH WITH OIL LEAKING OUT OF COWLING. AFTER A ROUTINE LANDING, INSPECTION FOUND CYL NR 6 HAD SEVERAL HOLD-DOWN STUDS BROKEN. THE BROKEN UNITS WERE SENT TO LYC TO DETERMINE CAUSE OF FAILURE. REPORT LH10, 99SDR CA970325006Front Bearing · overheated(CAN) PROP HARD TO CONTROL IN FLIGHT. INSPECTION FOUND NON FERROUS METAL IN THE MAIN OIL FILTER AND THE FINGER SCREENS. THE REAR SECTION OF THE FRONT MAIN BEARING INSIDE DIAMETER OVERHEATED WITH SURFACE MATERIAL MELTING, ROLLING AND FLAKING OFF THE BEARING BACSDR CA961218017Transition Assy · cracked(CAN) TURBOCHARGER TRANSITION ASSEMBLY FOUND CRACKED ON INSPECTION.SDR CA961205016Bulkhead · cracked(CAN) ON INSPECTION A 1.5 INCH CRACK WAS FOUND ON BOTH THE LEFT AND RIGHT SIDE WHERE THE FRONT FITTINGS ATTACH TO THE WING.SDR CA961205017Spar · cracked(CAN) WHILE CARRYING OUT AD 96-21-03 A CRACK WAS FOUND UNDER THE HINGE. SUBMITTER INSTALLED A NEW AILERON SPAR.SDR CA961205018Bearings · worn(CAN) WHILE WORKING ON THE AILERON SYSTEM WEAR WAS NOTED IN THE LEFT AILERON OUTBOARD BEARING. SIMILAR PLAY WAS NOTED ON THE RIGHT SIDE. COMPONENTS REPLACED.SDR CA961205012Spring · broken(CAN) DURING APPROACH THE PILOT RECEIVED THE DOOR AJAR WARNING LIGHT. AIRCRAFT LANDED SAFELY AND MAINTENANCE FOUND A BROKEN SPRING WHERE THE SPRING ATTACHES TO THE DOORS INTERNAL SAFETY LATCH. SPRING WAS REPLACED AND THE DOOR RIGGED AND RETURNED TO SERVICE.SDR CA961120006Control Cable · broken(CAN) LEFT HAND PITCH CONTROL CABLE BROKE WHILE CHECKING IT. CABLE BROKE INSIDE CASE AT BEGINNING OF THE FLEXIBLE SECTION. SUBMITTER SUSPECTS THAT PILOT TRIED TO MOVE CONTROL WHEN ENGINE WAS STILL COLD.SDR CA961205015Burner Can · cracked(CAN) WHILE CHECKING AD 82-07-02 A CRACK WAS DETECTED. SUBMITTER INSTALLED A NEW HEATER.SDR AU960926Pump · incorrect fit(AUS) LH ENGINE VACUUM PUMP INCORRECTLY SEATED ON ACCESSORY PLATE - THEPUMP WAS RESTING ON AN ACCESSORY CASE OIL HOSE 45 DEGREE FITTING - THE VACUUM PUMP HAD BEEN FITTED JUST PRIOR TO FLIGHT - ENGINE OIL LEAKING - PERSONNEL/MAINTENANCE ERRORSDR AU960949Detector · faulty(AUS) STALL WARNING SYSTEM LIFT DETECTOR MICROSWITCH OPEN CIRCUITEDSDR AU960842Fuel Cell · failed(AUS) FUEL CELL SPLIT AT DRAIN FITTING NIPPLE - CELL WAS FITTED IN 1978SDR CA960624003Hose · leaking(CAN) NO GREEN LIGHT ON GEAR RETRACTION. ON GEAR EXTENSION, NOSE GEAR REMAINED PARTIALLY EXTENDED. ON LANDING, NOSE GEAR FOLDED. HYDRAULIC HOSE LEAKING ON THE DOWN SIDE OF THE NOSE GEAR ACTUATOR WHICH DEPLETED BOTH THE MAIN AND EMERGENCY HYDRAULIC SYSTEMS.SDR AU960799Cable · broken(AUS) RH ENGINE MIXTURE CONTROL INNER CABLE BROKEN APPROXIMATELY 10MM (0.39IN) FROM SWAGING TO CABLE CONTROL ROD AT THE ENGINE ENDSDR CA960610013O-Ring · damaged(CAN) LEFT HAND ENGINE QUIT IN CRUISE FLIGHT WHEN THE ELECTRIC BOOST PUMPS WERE SELECTED OFF AND WOULD NOT RESTART. INVESTIGATION FOUND THE LEFT HAND FIREWALL SHUTOFF VALVE PARTIALLY OFF WITH THE CUT AND JAMMING O-RING STOPPING THE PROPER LEVER SELECTION. THISSDR CA960527005Distributor Bloc · worn bushing(CAN)DISTRIBUTOR BUSHING WORN AT A VERY RAPID RATE UNTIL DISTRIBUTOR GEAR ARM BEGAN INTERFERING AGAINST DISTRIBUTOR BLOCK CONTACTS.SDR CA960522010Fuel Pipe · broken(CAN)TAKEOFF ABORTED DUE TO #2 ENGINE LOOSING POWER. #2 CYLINDER INJECTOR FUEL PIPE BROKEN.SDR CA960509201Hose · deteriorated(CAN)PILOT REPORTED ROUGH RUNNING ENGINE ACCOMPANIED BY BLACK EXHAUST. PIECES OF INJECTOR AIR BLEED HOSE FOUND INSIDE THE NOZZLE ASSEMBLES.SDR CA960429007Prop Control · broken strands(CAN)THE PROPELLER CONTROL WOULD NOT GO ALL THE WAY TO FINE PITCH, DOWN 300 RPM AT FULL THROTTLE AND CONTROL FELT STIFF. REMOVAL AND DISASSEMBLY REVEALED A BROKEN STRAND WHICH, WHEN THE CONTROL WAS OPERATE D, EXPANDED IN THE CASING AND JAMMED.SDR CA960418001Micro Switches · loose screws(CAN)MICRO SWITCHES ON THE FUEL CONTROL PANEL FOUND LOOSE ON INSPECTION. SUBMITTER SUSPECTS THAT THE PROBLEM WAS FACTORY ORIGINAL.SDR CA960327005Crankcase · cracked(CAN) ON INSPECTION, A CRACK WAS NOTICED ON THE LEFT SIDE UNDER THE OIL FILLER. IT WAS 2 INCHES LONG AND WENT TOWARDS THE SECOND CYLINDER BASE.SDR CA960205003Gear Assy Idler · missing teeth(CAN)IN CRUISE THERE WAS A SLIGHT ROUGHNESS FROM #1 ENGINE,FOLLOWED SHORTLY BY ENGINE STOPPAGE & PROP FEATHERING.THE CREW SECURED THE ENGINE & THE FLIGHT WAS COMPLETED WITH AN UNEVENTFUL SINGLE ENGINE LAND ING.UPON ENGINE DISASSEMBLY,THE FUEL PUMP IDLER GEAR WSDR CA960122009Fuel Pump · loose screws(CAN)DURING INSPECTION A SEVERE FUEL LEAK WAS NOTICED FROM THE ENGINE. INVESTIGATION REVEALED THE SCREWS WHICH HOLD THE FUEL PUMP BODY TOGETHER HAD BACKED OUT AND ALLOWED FUEL TO LEAK AT THE UPPER SEAMLINE . THE FUEL PUMP RETAINING SCREWS WERE TIGHTENED AND RESDR CA960212008Blade · bent(CAN) PROPELLER BLADE DAMAGE NOTICED WHILE AIRCRAFT WAS UNDERGOING MAINTENANCE. SUSPECT CAUSE WAS GROUND DEBRIS CONTACT DURING TAXI.SDR CA951102003Stud · cracked(CAN)ON INSPECTION FOUND #1 CYLINDER AFT BOTTOM HOLD DOWN STUD BROKEN. CYLINDER WAS REMOVED AND ALL HOLD DOWN NUTS REPLACED. NO RECORD OF NUT REPLACEMENT AT ENGINE OVERHAUL OR CRANKCASE REPAIR FACILITY .SDR 95ZZZX3245Housing · bolt detachedHOUSING FOR YEARS HAS BEEN INSTALLED WITH 4 EACH STD 1875 BOLTS AND THE TWO INTERNAL BOLTS WERE STD 1890 DRILLED HEADS FOR SAFETY WIRE, STD 1890 NOW IS CHANGED TO STD 1875 UNDRILLED AND INSTALLED WITH A PLAIN WASHER, AN960, AND MS535333 STARLOCK WASHER. ONE SDR 95ZZZX1201Tube · hole chafedDURING ANNUAL INSPECTION, FOUND LT BAFFLE TIE ROD, PN 4197500, HAD RUBBED A HOLE IN BOTH INTAKE AND EXHAUST PUSH ROD TUBES ON NR 4 CYLINDER. THE ROUTING OF THE TIE RODS ARE VERY CLOSE TO THE PUSH ROD TUBES. SUBMITTER SUGGESTS THAT ALL BAFFLE TIE RODS BE LOOKESDR 95ZZZX1202Tube · hole chafedDURING ANNUAL INSPECTION, FOUND LT BAFFLE TIE ROD, PN 4197500, HAD RUBBED A HOLE IN BOTH INTAKE AND EXHAUST PUSH ROD TUBES ON NR 4 CYLINDER. THE ROUTING OF THE TIE RODS ARE VERY CLOSE TO THE PUSH ROD TUBES. SUBMITTER SUGGESTS THAT ALL BAFFLE TIE RODS BE LOOKE
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