Lycoming IO-540-C4B5
Service difficulty reports · 182
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 = 'IO540C4B5' 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 = 'IO540C4B5' 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 97ZZZX2889Cylinder · failedPILOT NOTICED LEFT ENGINE COWLING BECOMING COVERED WITH OIL. ENGINE WAS UNCOWLED FOR INVESTIGATION AND FOUND NR 2 CYLINDER HEAD CRACKED COMPLETELY OFF THE CYLINDER BARREL. THE ONLY THING HOLDING THE CYLINDER HEAD IN PLACE WAS THE EXHAUST, INDUCTION TUBE, ANSDR 97ZZZX2886Crankcase · crackedFOUND A CRACK IN THE LEFT CASE HALF BETWEEN NR 4 AND NR 6 CYLINDERS.SDR CA970603025Lift Detector · contaminated(CAN) DURING OPERATION IN RAIN AND SNOW, STALL WARNING LIGHT REMAINED ON AFTER AIRCRAFT STALL COMPLETED. AFTER LANDING, STALL LIFT DETECTOR WORKED AND LIGHT WENT OUT. AFTER COMPLETION OF OPERATION, STALL LIFE DETECTOR INSPECTED AND FOUND DIRTY, PAINT, AND WASDR CA970603028Wheel · broken(CAN) DURING LANDING, PILOT NOTICED THERE WAS A TIRE BLOW-OUT ON THE RT SIDE. MAINTENANCE CHECK REVEALED WHEEL RIM WAS CRACKED FIVE INCHES.SDR AU970557Pipe · holed(AUS) RH ENGINE NO6 CYLINDER ROCKER OIL DRAIN LINE CHAFED ON BAFFLE STAY - ROCKER DRAIN PIPE ATTACHMENT HOSES PERISHED -PERSONNEL/MAINTENANCE ERRORSDR CA970521006Brake · damaged(CAN) DISC 16432A617 FOUND WITH THREE BOLTS LOOSE AND BOLT HOLES ELONGATED IN DISC. TWO BOLTS FOUND WITH CRACKS. WHEN PRIED, A PIECE 1 INCH BY 2.5 INCHES OF THE LATERAL WALL OF DISC CAME OFF. WAS NOT EVIDENT LAST 59 HR INSP. REPLACED. MAY BE SOME CONFUSIOSDR CA970521007Nut · corroded(CAN) IN CRUISE, LEFT ENGINE STARTED TO RUN ROUGH. AIRCRAFT LANDED. MAG CHECK CARRIED OUT, 300 RPM DROP WITH LEFT MAG OFF. NR 4 CYLINDER LEAD DISCONNECTED, RETAINING NUT MISSING ONLY SMALL RING PART FROM NUT FOUND. INTERGRANULAR CORROSION. REPLACED.SDR CA970408012Roll Pin · sheared(CAN) PILOT FOUND LEFT ENGINE TO BE SURGING WHILE IN CRUISE DURING ICING CONDITIONS. PILOT NOTICED WHEN REFUELING THE OUTBOARD LT TANK WAS NEARLY EMPTY WHILE THE INBOARD TANK TO BE QUITE FULL. INVESTIGATION FOUNDTHE LT FUEL SELECTOR TO BE PARTLY POSITIONED TSDR CA970326011Arm · corroded(CAN) A/C VERY HARD TO STEER ON TAXIING. ACCUMULATION OF DUST AND DIRT IN STEERING ARM BUSHINGS CAUSED BINDING IN STEERING LINKAGE. CLEANED AND LUBRICATED.SDR 97ZZZX567Hose · leakingTHIS LINE LOOKED VERY GOOD. NOT STIFF OR CHAFED IN ANY WAY. HOWEVER, THE RUBBER HOSE BELOW THE BRAIDED COVER RUPTURED AND ALLOWED FUEL TO SOAK BETWEEN CYLINDERS NR 1 AND NR 3 CREATING AN IN-FLIGHT FIRE HAZARD. ONLY WAY TO CHECK OR TEST IS REMOVAL OF LINE ANSDR 96ZZZX5808Carbon Brush · excess wornOWNER REPORTED EXCESSVIE MAG DROP INTERMITTENTLY RIGHT ENG LEFT MAG. NOTICED EXCESSIVE CARBON DUST AROUND MAG VENT. PULLED MAG AND OPENED UP EVERYTHING COATED WITH CARBON DUST. SUBMITTER STATED BRUSH WORN TOO QUICKLY. MANUFACTURE BRUSH FROM HARDER SUBSTANCESDR CA960924028Fuel Hose · ruptured(CAN) WHILE TAXIING, PILOT NOTICED FLAMES COMING FROM LEFT ENGINE. THE ENGINE WAS SHUT DONW AND FLAMES WENT OUT. ENGINE COWLING AREA WAS FOAMED AS A PRECAUTIONARY MEASURE WHEN THE COWLS WERE REMOVED A FLEX FUEL LINE FROM THE FUEL DISTRIBUTOR ON THE TOP OF THE SDR CA960923014Magneto · faulty(CAN) ON INSPECTION THE MAGNETO DISTRIBUTOR TEETH WERE FOUND MISSING.SDR CA961007031Magneto · faulty(CAN) DURING INSPECTION OF THE #1 ENGINE, THE MAGNETO INPUT SHAFT NUT WAS FOUND SEPARATED FROM THE SHAFT.SDR CA961007032Magneto · cracked coil(CAN) DURING INSPECTION THE #2 ENGINE MAGNETO HAD A CRACKED COIL.SDR CA960909003Air Dist Box · grooved(CAN) ELEVATOR CABLES GROOVED THE AIR DISTRIBUTION BOX. THE CONTROL CABLES WERE INSTALLED CORRECTLY AS PER PIPER PARTS BOOK. THE CORRECTIVE ACTION WAS TO CUT BACK THE BOX AS REQUIRED FOR CLEARANCE AND WELD IN A NEW BOTTOM FOR THE AIR BOX.SDR 96ZZZX4826Cylinder · piston failedAIRCRAFT MADE EMERGENCY LANDING. RIGHT ENGINE FAILED DUE TO NR 2 CYLINDER AND PISTON DEPARTING AIRCRAFT IN-FLIGHT. CYLINDER PARTS AND SIDE COWL NEVER RECOVERED. TEAR-DOWN INSPECTION REVEALED NO APPARENT REASON FOR FAILURE.SDR 96ZZZX3562Shaft · shearedDURING FLIGHT, OVERSPEED CONDITION OCCURRED ON RT ENGINE. ENGINE WAS SHUT DOWN AND LANDED. MECHANIC FOUND GOVERNOR DRIVESHAFT SHEARED.SDR AU960809Tube · cracked(AUS) FUSELAGE STEP TUBE CRACKED - AIRCRAFT HAS BEEN MODIFIED IAW SB672AND AD/PA28/81SDR AU960810Brace · cracked(AUS) MAIN LANDING GEAR DRAG LINK FITTING SUPPORT BRACE CRACKED IN AREA OF ATTACHMENT BOLTSDR 96ZZZX2511Points · deformedAIRCRAFT WAS BEING RUN BEFORE FLIGHT. WHEN SHUTTING RIGHT MAG OFF ON LEFT ENGINE, ENGINE QUIT. CHECKED P-LEADS FOR GROUNDING AND PROPER INSTALLATION. REMOVED MAG AND CHECKED COIL, POINT GAP AND REPLACED CONDENSER. UPON CHECKING E-GAP FOUND POINTS NOT CLOSISDR AU960145Bolt · unapproved part(AUS) NO2 CYLINDER CONNECTING ROD PNO 74502 BOLT INCORRECT PART - BOLT PNO 75060/1 FITTED - CORRECT PNO 74644 - INCORRECT BOLT IS LONGERTHAN THE CORRECT ONE - IPC IS UNCLEAR ON CORRECT PART NUMBER BOLTTO BE FITTED - UNAPPROVED PART - PERSONNEL/MAINTENANCE ERROSDR 96ZZZX852Shaft · wornREMOVED MAGNETO DURING ANNUAL INSPECTION AND NOTICED SHAFT NUT WAS COMPLETELY STRIPPED AND HELD IN PLACE ONLY BY BROKEN COTTER PIN. REMOVED COTTER PIN AND NUT, FOUND SHAFT COMPLETELY STRIPPED AND BUSHING VERY LOOSE AND SLOPPY ON SHAFT. REMOVED BUSHING AND FOSDR 96ZZZX685Adapter · wrong partTHE MAG ADAPTER INSTALLED WAS THE WRONG P/N LW-12706 WHICH IS THINNER. WHEN A NEW MAG WAS INSTALLED TO REPLACE THE OLD MAG (WHICH WAS REMOVED DUE TO A BAD BEARING AND RACE), THE NEW MAG BEARINGS LASTED ABOUT 2 MINUTES. INVESTIGATION FOUND THE WRONG PART NUMBSDR CA960212024Alternator · faulty(CAN)INSPECTION REVEALED THE TWO ALTERNATORS TO BE FAULTY. ONE DID NOT FUNCTION AT ALL, AND THE OTHER ONLY VERY WEAKLY. BATTERY 6-35 DID NOT CHARGE FULLY AFTER LONG CHARGING HOURS. THE BATTERY PROBABLY WASNOT AT MAXIMUM CHARGE LEVEL FOR MANY FLIGHT HOURS, THUSSDR 95ZZZX5822Cylinder · crackedTHE PILOT REPORTED LOW EGT ON THE LEFT ENGINE. A VISUAL INSPECTION OF NR 6 CYLINDER WHERE THE EGT PROBE IS LOCATED REVEALED A CRACK AT THE LOWER SPARK PLUG HOLE. AFTER REMOVING THE CYLINDER, FOUND THE CRACK WENT FROM SPARK PLUG HOLE TO SPARK PLUG HOLE WITH MSDR CA951026015Cylinder · disintegrated(CAN)THE #5 CYLINDER WAS TORN OFF THE ENGINE BLOCK. THE PISTON BROKE INTO A THOUSAND PIECES AND ALL THE REST OF THE CENTRAL PARTS WHICH KEEP THE ENGINE TOGETHER WERE CRACKED. IT IS THOUGHT THAT EITHER THE #5 CYLINDER PISTON OR PISTON PIN FAILED AND THE RESULTSDR 95ZZZX4507Bearing · failedLEFT ENGINE WOULD NOT START. TROUBLESHOOT TO LEFT MAG. BEARINGS IN MAG WORN, CAM NOT ACTIVATING POINTS. WHEN REMOVING MAG, FOUND BEARING ON MAG DRIVE GEAR MISSING BALLS AND TEETH MISSING ON GEAR OR CHIPPED.SDR CA951026016Top Ring · broken(CAN)DURING 100 HOUR INSPECTION #1, #5 & #6 CYLINDERS WERE FOUND WITH VERY LOW COMPRESSION AND IT WAS DECIDED TO REPLACE THE CYLINDERS. SHORTLY BEFORE THIS THE ENGINE HAD HIGH OIL COMSUMPTION AND #2, #3 & #4 CYLINDERS HAD TO BE REPLACED. ON ALL CYLINDERS THE SDR 95ZZZX2394Rocker Arm · misinstalledPERFORMED 400-HOUR VALVE INSPECTION, AND FOUND ALL ROCKER ARMS REVERSED ON ALL 6 CYLINDERS. EXHAUST ROCKER ARM OIL PORT SHOULD SPRAY OIL TOWARDS VALVE AND INTAKE ROCKER ARM OIL PORT SHOULD SPRAY OIL TOWARDS PUSH ROD ON THIS ENGINE.SDR 95ZZZX1910Filter · defectiveWHEN REMOVING OIL FILTER AFTER APPROXIMATELY 10 HOURS OF SERVICE CHANGE, DISCOVERED THE OIL FILTER CAN PORTION WAS SPINNING/ROTATING IN THE BASE PLATE. NO LEAKS HAD OCCURRED DURING SERVICE.SDR 95ZZZX588Coil · shortedENGINE WOULD NOT START. TRACED PROBLEM DOWN TO SHORTED COIL IN LEFT MAG.
Back to Lycoming IO-540-C4B5