Lycoming O-540-E4C5
Service difficulty reports · 139
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 = 'O540E4C5' 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 = 'O540E4C5' 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 AU510002200Exhaust Pipe · missing(AUS) APPROXIMATELY 457.2MM (18IN) OF LT ENGINE RT TAILPIPE BANK AND CLAMP MISSING. FURTHER INVESTIGATION ALSO FOUND CRACKING ON NR 3 AND NR 5 CYLINDER EXHAUST RISERS. ENGINE LOWER COWL ALSO SUFFERED SCORCHING DAMAGE. (CASA NR 510002200)SDR 2005FA0001362Spring · failedPROPELLER WAS INSTALLED ON RT SIDE OF AC, THE PROP WENT FEATHER, UNCOMMANDED ON ENGINE SHUTDOWN. PROPELLER WAS REMOVED FROM AC FOR INSPECTION AND WAS RECEIVED WITH THE BLADES IN FEATHER, LOGBOOK WAS NOT SUPPLIED. ALL INFO VIA PHONE. PROP CYLINDER WAS REMOVEDSDR CA050427006Rod · brokenDURING TAXI NOTICED RUDDER PEDALS SLOPPY, UPON INSP DISCOVERED RUDDER BAR DRIVE ROD BROKEN.SDR CA050311002Engine · failed(CAN) ENG FOUND TO HAVE DROP IN OIL PRESS. INSP, PUNCTURE HOLE WAS FOUND IN TOP OF RT CRANKCASE HALF. METAL WAS FOUND IN OIL SCREEN. CYL 2, 4, AND 6 WERE REMOVED FOR INSP. 4 OF 12 LIFTER BODY CONTACT FACES WERE BROKEN. BROKEN MATERIAL FROM LIFTER BODIES ISDR CA041104005Wheel · cracked(CAN) CREW FELT LOSS OF BRAKE PRESSURE ON RT SIDE. RETURN TO RAMP. MAINT FOUND NR 3 IB WHEEL HALF BROKEN CAUSING BRAKE UNIT TO DETACH FROM BRAKE DISK. BRAKE UNIT FOUND ON TAXIWAY BY AIRPORT OPS. GIVEN TO TC OUTSIDE OF THEIR SOPS. LOCAL TC OFFICE, RETAINED SDR CA041109001Crankcase · crackedPOSSIBLE CRACK FOUND DURING 100 HR INSPECTION. ENGINE REMOVED AND SENT TO AEROTER ENGINES IN HALIFAX. ENGINE SHOP CONFIRMED CRACK BETWEEN NR 2 AND NR 4 CYLINDER ON BOTTOM SIDE. IT ALSO HAD EXCESSIVE FRETTING ON THE CENTER MAINS.SDR AUS20040502Washer · missing(AUS) THROTTLE QUADRANT FRICTION ADJUSTER WASHER MISSING. FOUND DURING INSPECTION IAW AD/BN2/69 AND SB 272.SDR CA040518002Magneto · failed(CAN) DUE TO ROUGH RUNNING ENGINE. MAG WAS DETERMINED TO BE FAULTY, WAS REPLACED. A/C WAS TEST FLOWN, ENGINE RAN VERY ROUGH. INSP OF ENG AND REPLACED MAG NOTED INTERNAL MAG GEAR WAS DAMAGED WITH MISSING TEETH. NOTED METAL IN OIL SCREEN. ENG WAS REMOVED ASDR AUS20040320Shaft · sheared(AUS) RT ENGINE PROPELLER GOVERNOR DRIVESHAFT SHEARED IN AREA LEVEL WITH THE MOUNTING FACE.SDR CA040414004Bearing · destroyed(CAN) NR 4 WHEEL OUTER AND INNER BEARINGS FAILED. THE BRAKE CALIPER SLIPPED FROM THE TORQUE PLATE AND THE BRAKE HYDRAULIC HOSE BROKE. THE CAPTAIN USED THE AIRCRAFT FIRE EXTINGUISHER TO EXTINGUISH THE SMOKE AT THE WHEEL. SHE SAYS NO FIRE WAS SEEN. THE AXLE WAS SDR CA040317002Brake Disc · cracked(CAN) DISC FAILED AROUND FLANGE. PART 6 OF SB 7071 ASK PILOTS TO LOOK AT WHEELS DISC ON PRE-FLIGHT INSPECTION, AT THE STAGE OF THE CRACK NOW IT WOULD HAVE BEEN NEXT TO IMPOSSIBLE TO SEE THE CRACK WITHOUT CLEANING THE DISC.SDR AUS20031059Gear · wrong part(AUS) CRANKSHAFT GEAR INCORRECT PART. GEAR WAS NOT COMPLETELY MESHING WITH THE OIL PUMP DRIVE GEAR. PN 13S19648 FITTED INSTEAD OF CORRECT PN 13S19647. SUSPECT ENGINE HAD BEEN CONVERTED FROM EITHER AN IO-540 OR TSIO-540 MODEL, BOTH OF WHICH USED THE FITTED GEARSDR AUS20030786Rib · cracked(AUS) ELEVATOR END RIB CRACKED. FOUND DURING INSPECTION IAW SB-190.SDR AUS20030719Rod Bearing · delaminated(AUS) CONNECTING ROD BEARING DELAMINATED. METAL CONTAMINATION OF OIL FILTER.SDR CA030102001Brake Disc · sheared(CAN) ON FIRST CREW FIRST WALK AROUND AT 2300 HRS. CREW OBSERVED NR 4 BRAKE DISC WAS NOT STRAIGHT. FURTHER INVESTIGATION FOUND THAT THE NR 4 BRAKE DISC WAS SHEARED AROUND FLANGE AND SITTING CRACKED. MAINTENANCE WAS CALLED. A SERVICEABLE WHEEL ASSEMBLY WAS INSSDR AUS20020324Crankshaft · failed(AUS) CRANKSHAFT FRACTURED IN AREA JUST FORWARD OF THE NO2 MAIN BEARING. CRANKCASE FRACTURED AND SEPARATED FROM ENGINE. PROPELLER SEPARATED. DAMAGE TO COWLS AND FUSELAGE. AIRCRAFT ISREGISTERED IN VANUATU.SDR CA020408011Disk · failed(CAN) BRAKE DISC FAILED. THE DAY OF THE FAILURE HAD SLUSH ON THE TAXI WAY, IT GOT IN AROUND THE DISC AREA. MAY BE A PART OF THE FAILURE IS DUE TO THERMAL SHOCK COOLING (HOT DISC, COLD SLUSH).SDR AUS20020123Brush Block · shorted(AUS) ALTERNATOR BRUSHES SHORTING BETWEEN THE SLIP RINGS AND ALTERNATOR SLIP RING END BEARING.SDR CA011108012Dowel Pin · sheared(CAN) DURING CRUISE JUST PRIOR TO LANDING IN YVR, LT ENGINE BEGAN TO RUN VERY ROUGH WITH MOST OR ALL POWER LOSS. PILOT SHUT ENGINE DOWN AND LANDED NORMALLY IN YVR. PRELIMINARY INVESTIGATION FOUND BOTH VALVE AND MAG TIMING TO HAVE ALTERED SIGNIFCANTLY.SDR CA011109002Line · chafed(CAN) ONE OF THE TWO BRAKE LINES THAT RUN DOWN THE LEG CHAFED THROUGH AT THE TOP CLAMP. BRAKES WERE SOFT ON THAT SIDE.SDR AU010353Gear · failed(AUS) CRANKSHAFT DRIVE GEAR FAILED.SDR VLI2003F00000Shaft · brokenDURING CRUISE RT ENGINE PROPELLER FEATHERING WITHOUT NOTICE. ENGINE SHUT DOWN AND LANDING WITHOUT PROBLEMS. DURING INVESTIGATION, FOUND PROPELLER GOVERNOR SPLINE SHAFT BROKEN IN TWO PIECES. REPLACED GOVERNOR, RUN UP SATISFACTORY. POSSIBLE GOVERNOR INTERNALSDR 20001129SH027Bearing · brokenDURING ROUTINE INSPECTION, REMOVED OIL FILTER AND FOUND EXCESSIVE PARTICLES ON OIL SCREEN. REMOVED ENGINE FOR SENDING TO OVERHAUL. PRELIMINARY VIEW FOUND LEFT MAGNETO CASE BEARING DISINTEGRATED AND CASE GEAR WEAR. (X)SDR CA000719018Beam · cracked(CAN) FLUORESCENT LP EXAMINATION WAS CONDUCTED ON THE AIRCRAFT PILOT, COPILOT LT, RT RUDDER PEDAL TORQUE ARM RADIUS. RESULTS: COPILOT RUDDER SET REVEALED REJECTABLE CRACK INDICATIONS AS MARKED. IN SERVICE BULLETIN (PRECAUTIONARY EXAMINATION) THERE WERE NO RSDR 20000523SH029Cylinder · separatedSJU/FDO - ON CRUISE FLIGHT, LEFT ENGINE STARTED TO VIBRATE. ENGINE SHUT DOWN WAS ACCOMPLISHED AND LANDED IN FAJADO. INSPECTION REVEALED NR 4 CYLINDER FOUND SEPARATED FROM ENGINE. ENGINE REPLACED. (X)SDR 20000517SH017Bushing · wornPILOT REPORTED LEFT ENGINE WAS HARD TO START. REMOVED LEFT MAGNETO INSPECTION AND NOTED ''POINT'' MARKS USED FOR FACTORY SEALING STILL IN PLACE INDICATING MAGNETO INTERNAL INSPECTION REVEALED OILITE BUSHING IN DISTRIBUTOR BLOCK EXCESSIVELY WORN PRODUCING A MESDR 20000508SH019Gear · brokenON CRUISE FLIGHT, LEFT ENGINE QUIT. PILOT LANDED, INVESTIGATION REVEALED BROKEN CRANKSHAFT GEAR. ENGINE RETIRED FROM SERVICE AND AND OVERHAULED ENGINE INSTALLED ON AIRCRAFT. (X)SDR CA000427011Pump · leaking(CAN) ON APPROACH, THE CREW SMELLED A FUEL SMELL AND SHUT DOWN THE HEATER AS A PRECAUTION. AFTER LANDING, MAINTENANCE PERSONNEL FOUND THE HEATER FUEL PUMP LEAKING. THE PUMP HAD LESS THAN 100 HOURS SINCE NEW.SDR 20000413SH047Engine · failedON CRUISE FLIGHT, RIGHT ENGINE STARTED TO VIBRATE AND LEAK OIL. PILOT DECLARED EMERGENCY AND LANDED AT TORTOLA AIRPORT (BEEF ISLAND). PRELIMINARY INSPECTION REVEALED RIGHT ENGINE CRANKCASE CRACKED. ENGINE CHANGE. (X)SDR CA991229073Latch · worn(CAN) COWL LATCH FOUND WEARING A HOLE IN THE LT ENGINE NR 1 CYLINDER VALVE COVER.SDR CA990915065Bearing · worn(CAN) MAGNETO BEARING FAILED.SDR AU990956Control Rod · worn(AUS) ELEVATOR CONTROL ROD WORN PAST LIMITS IN THE AREA OF THE GUIDE ROLLERS. ROD HAD BEEN ILLEGALLY REPAIRED USING METAL FILLER OR SIMILAR MATERIAL.SDR CA990907079Steering Ring · cracked(CAN) NOSE GEAR STEERING DRIVE RING FOUND CRACKED WHILE PERFORMING INSPECTION IAW THE REQUIREMENTS OF CAA AD NR 005-09-93 AND MANDATORY SERVICE BULLETIN BN2/214 ISSUE 2.SDR 99ZZZX2926Impulse Coupling · looseDURING INSPECTION OF MAGNETO AND IMPULSE COUPLING, FOUND ONE OF THE PAWL PINS WAS WORKING LOOSE FROM IMPULSE BODY. ALL OTHER WEAR APPEARED NORMAL. IMPULSE HAD BEEN INSPECTED 190 HOURS PRIOR AND HAD BEEN FOUND TO BE NORMAL.SDR 99ZZZX3746Pump · failedAFTER TAKEOFF, LEFT ENGINE SURGED. PILOT NOTICED FUEL PRESSURE DROP. PERFORMED PROCEDURES, ELECTRICAL FUEL PUMP ACTIVATED, ENGINE CONTINUOUS WORKING NORMAL WHEN FUEL PRESSURE INCREASED.SDR 99ZZZX2728Bearing · failedOPERATORS OF AVCO LYCOMING O-540-E4C5 ENGINES FITTED TO BRITTEN NORMAN ISLANDER AIRCRAFT IN GUYANA HAVE BEEN EXPERIENCING PREMATURE FAILURE OF THE MAGNETO DRIVE GEAR BEARINGS. THERE HAVE BEEN INSTANCES OF REPORTED HARD STARTING. ON INVESTIGATION, THE BEARINGSDR 99ZZZX2273Crankcase · crackedDURING NORMAL DAY OPERATION, PILOT REPORTED RIGHT ENGINE OIL LEAK. DURING VISUAL ISPECTION, FOUND CRACKCASE CRACK BETWEEN CLYINDERS 4 AND 6. RIGHT ENGINE CHANGE.SDR AU990353Bearing · failed(AUS) CRANKSHAFT FRONT BEARING FAULTY. WHITE METAL BREAKING AWAY FROM THE BEARING. METAL CONTAMINATION OF OIL SYSTEM.SDR AU990354Hinge · loose(AUS) RIGHT FLAP CENTER HINGE BRACKETS LOOSE. HINGE ATTACHMENT BOLTS LOOSE.SDR 99ZZZX2727Bearing · failedOPERATORS OF AVCO LYCOMING O-540-E4C5 ENGINES FITTED TO BRITTEN NORMAN ISLANDER AIRCRAFT IN GUYANA HAVE BEEN EXPERIENCING PREMATURE FAILURE OF THE MAGNETO DRIVE GEAR BEARINGS. THERE HAVE BEEN INSTANCES OF REPORTED HARD STARTING. ON INVESTIGATION, THE BEARINGSDR AU990033Balance Weight · corroded(AUS) RIGHT AILERON MASS BALANCE ARM SNAPPED OFF ADJACENT TO ITS CLAMP DURING MEDIUM WIND BUFFETING. INSPECTION OF THE ARM REVEALED CORROSION AROUND 70 PERCENT OF THE CIRCUMFERENCE. THE LEFT ARM ASSEMBLY WAS THEN INSPECTED AND FOUND TO BE CORRODED ON THE REASDR AU990023Nut · sheared(AUS) LEFT MAIN LANDING GEAR TORQUE LINK NUT (P/N A103JS) SHEARED OFF THE BOLT (P/N A10217J) STRIPPING THE SPLIT PIN IN THE SAME ACTION. RUNWAY SURFACE WAS REPORTED ROUGH. PART TC: 61.SDR 99ZZZX1053Gear · brokenFLT 709 - VIEQUES TO LUIS MUNOS MARIN INT'L AIRPORT OVER PLAZA CAROLINA, LEFT ENGINE LOST POWER AND QUIT. REAR CASE OPENED AND FOUND CRANKSHAFT GEAR BROKEN AND ENGINE CONTAMINATED.SDR 99ZZZX350Crankcase · crackedON CRUISE FLIGHT, LEFT ENGINE STARTED TO VIBRATE AND LEAK OIL. PILOT DECLARED EMERGENCY AND LANDED AT A MILITARY AIRPORT. PRELIMINARY INSPECTION REVEALED LEFT ENGINE CRANKCASE CRACKED. ENGINE CHANGE IN PROGRESS. MORE DETAILS WILL BE SUBMITTED AFTER ENGINE SDR 98ZZZX4798Magneto · damagedPILOT REPORTED HIGH OIL TEMPERATURE. OIL FILTER REMOVED AND FOUND METAL PARTICLE CONTAMINATION. MAGNETOS REMOVED AND FOUND MAGNETO IMPULSE COUPLING PIN BROKEN. METAL PARTICLES CONTAMINATED ENGINE. ENGINE REMOVED TO REPAIR OR OVERHAUL.SDR 98ZZZX4797Magneto · brokenDURING RUN-UP, PILOT REPORTED LEFT ENGINE WOULD NOT START. LEFT MAGNETO REMOVED AND FOUND MAGNETO COUPLING PIN BROKEN AND CRANKSHAFT IDLER GEAR ASSY, P/N 71668, BROKEN. GEAR ASSEMBLY REPLACED.SDR 99ZZZX2726Bearing · failedOPERATORS OF AVCO LYCOMING O-540-E4C5 ENGINES FITTED TO BRITTEN NORMAN ISLANDER AIRCRAFT IN GUYANA HAVE BEEN EXPERIENCING PREMATURE FAILURE OF THE MAGNETO DRIVE GEAR BEARINGS. THERE HAVE BEEN INSTANCES OF REPORTED HARD STARTING. ON INVESTIGATION, THE BEARINGSDR 98ZZZX3138Exhaust Valve · loosePILOT REPORTED VIBRATION ON LEFT ENGINE. COMPRESSION PERFORMED AND FOUND CYLINDER NR 4 LOW. CYLINDER REMOVED AND FOUND EXHAUST VALVE SEAT LOSE AND PISTON DAMAGED BY THE VALVE. CYLINDER REPLACED. REPAIR STATION NOTIFIED ABOUT THE INCIDENT AND THEY ARE GOINSDR 98ZZZX3137Idler Gear · brokenSTX/FDO - FLT 908 - ON DESCENT LEAVING 2,000 FEET, NR 2 ENGINE QUIT. FOLLOWING ALL PROCEDURES, PILOT FEATHERED ENGINE AND LANDING AT FDO AIRPORT WITHOUT FURTHER PROBLEMS. BROKEN GEAR ASSY FOUND AND ENGINE REMOVED FOR FURTHER INSPECTION. OVERHAULED ENGINE, INSDR 98ZZZX2569Tappet · brokenDURING DAILY CHECK, MECHANIC FOUND EXCESSIVE OIL LEAK ON LEFT ENGINE. COWLING REMOVED AND FOUND NR 3 CYLINDER INTAKE PUSH HOUSING BROKEN. AFTER REMOVAL OF HOUSING, FOUND HYDRAULIC TAPPET BODY BROKEN. ENGINE REMOVED TO INVESTIGATE. MORE INFORMATION WILL BE
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