Continental GTSIO-520-L
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 = 'GTSIO520L' 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 = 'GTSIO520L' 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 AU980764Hose · leaking(AUS) RIGHT ENGINE OIL PUMP OUTLET TO OIL FILTER HOSE LEAKING FROM HOSE FITTING.SDR AU980923Hose · failed(AUS) ENGINE OIL HOSE LOCATED ADJACENT TO THE EXHAUST PIPE FAILED DUE TO HEAT DETERIORATION.SDR 98ZZZX3692Bolt · brokenPILOT NOTICED WHITE SMOKE COMING FROM LEFT TOP COWLING LOUVERS. SHUT ENGINE DOWN AND LANDED. MAINTENANCE FOUND BROKEN ROCKER SHAFT BOLT. REPLACED BOTH BOLTS AND GASKET. PERFORMED LEAK CHECK AND RUN-UP. ALL CHECKED GOOD.SDR 98ZZZX1335Thru Bolt · failedDURING 100-HOUR INSPECTION, FOUND THE NR 6 CYLINDER TOP FORWARD STUD/THRU-BOLT BROKEN AT THE CYLINDER BASE. TCM TECH REP SAYS THAT THERE HAS BEEN A PROBLEM WITH THRU-BOLTS BREAKING EVEN BEFORE THEY LEAVE THE FACTORY. HYDROGEN EMBRITTLEMENT IS THE CAUSE. SUBSDR 98ZZZX1327Bellcrank · crackedDURING PHASE INSPECTION, NOSE STEERING BELLCRANK WAS FOUND CRACKED ON BOTH SIDES OF CENTER PIVOT BOLT. FAILURE WOULD RESULT IN LOSS OF STEERING. NO IMPACT MARKS FOUND. AIRCRFAT HAS HISTORY OF NOSE GEAR COLLAPSE.SDR 98ZZZX1329Beam Assy · crackedDURING PHASE INSPECTION, UPPER OUTBOARD AFT VERTICAL WEB MEMBERS OF AFT BEAM ASSEMBLIES WERE FOUND CRACKED. THIS AFFECTED BEAMS IN BOTH NACELLES. SUBMITTER SUSPECTS CAUSE WAS HARD LANDING. AIRCRAFT REMOVED FROM SERVICE PENDING REPAIRS.SDR 98ZZZX1309Valve Seat · defectiveFACTORY NEW CYLINDER REMOVED FROM THE NR 3 POSITION DUE TO LOW COMPRESSION. UPON DISASSEMLBY, NOTED THE INTAKE VALVE SEAT WAS NOT SEATED PROPERLY IN THE CYLINDER HEAD. SUSPECT CAUSE: DURING ASSEMBLY AT FACTORY, SEAT WAS NOT INSTALLED INTO THE MACHINED PORTISDR CA980302006Bolt · broken(CAN) PILOT REPORTED AN OIL LEAK ON THE NR 1 ENGINE. ENGINE WASHED DOWN AND OIL LEAK WAS SEEN IN THE AREA OF NR 2 CYLINDER. FURTHER INSPECTION FOUND A THRU BOLT WAS FRACTURED. THE THRU BOLT WAS REPLACED AND THEAIRCRAFT RETURNED TO SERVICE.SDR 98ZZZX990Bolt · failedPILOT REPORTED OIL LEAKING FROM RIGHT ENGINE. FOUND HOLE IN NR 5 CYLINDER ROCKER COVER. HEAD OF BOLT BROKE OFF THAT ATTACHES ROCKER ARM AND SHAFT TO CYLINDER ASSEMBLY. NEW BOLTS INSTALLED AND NEW ROCKER COVER.SDR 98ZZZX503Valve · wornCYLINDERS REMOVED FROM THE ENGINE DUE TO INCREASED OIL CONSUMPTION REPORTS. UPON REMOVAL, AN EXCESSIVE AMOUNT OF ROCKER ARM TO VALVE CLEARANCE WAS NOTICED ON THE NR 1, NR 2, AND NR 6 CYLINDERS. CLOSER EXAMINATION REVEALED TIPS OF THE EXHAUST VALVES HAD EXTRESDR 98ZZZX504Cylinder · crackedFACTORY NEW CYLINDER WITH MANUFACTURE DATE OF 12-1997 WAS REMOVED FROM THE NR 2 POSITION DUE TO OIL LEAKS. DURING DISASSEMBLY OF THE EXHAUST VALVE AND VALVE SPRING ASSEMBLY, A CRACK WAS NOTED BEWEEN THE 1ST AND 2ND FIN. CLOSER INSPECTION REVEALED THE FINS WESDR CA971110003Crankcase · cracked(CAN) PILOT REPORTED NR 1 ENGINE WAS RUNNING ROUGH. MAINTENANCE FOUND OIL LEAKS AND EVIDENCE OF COMBUSTION DETONATION AT NR 1 CYLINDER. FURTHER INSPECTION FOUND NR 36 STUD WAS PULLED OUT OF THE CRANKCASE THREADS. THE NR 1 CYLINDER BORE IN THE CRANKCASE WAS SDR 97ZZZX4326Connecting Rod · brokenENGIEN FAILED EXPLOSIVELY WITH NO PRIOR INDICATIONS NOTED IN MAP, OIL TEMP, OR OIL PRESSURE. ENGINE DISASSEMBLED. INDICATIONS SHOW THAT POSSIBLY THE NR 6 CYLINDER CONNECTING ROD MAY HAVE BROKE CAUSING THE CASE TO BREAK AND COME APART.SDR 97ZZZX3495Valve Spring · failedTHE PILOT NOTICED A VIBRATION AT CRUISE POWER AFTER AN HOUR OF FLIGHT. AFTER LANDING, INVESTIGATION REVEALED THE RIGHT ENGINE WOULD INCREASE IN VIBRATION WITH AN INCREASE IN RPM AND NOT DEVELOP FULL RPM. TROUBLESHOOTING REVEALED THE NR 2 CYLINDER HAD BOTH INSDR AU970731Alternator · failed(AUS) LH ALTERNATOR FAILED - INSPECTION FOUND THAT THE FAILURE WAS DUE TO THE DIODE PLATE GROUND WIRE BEING LOOSESDR 97ZZZX2044Cylinder · separatedACFT LOST NR 5 CYLINDER IN CRUISE FLIGHT TO JBR. CYLINDER SEPARATED ABOUT 1 INCH INBOARD OF THREADED AREA IN STEEL SLEEVE. AREA CRACKED IS 360 DEGREES AND EXPOSED TOP RINGS ON PISTON CAUSING METAL CONTAMINATION IN ENGINE. OIL PRESSURE WAS LOST 4 MINUTES BEFSDR 97ZZZX1712Adapter Gear · failedENGINE FAILED TO START. INSPECTION REVEALED FAILED STARTER ADAPTER. REMOVED ADAPTER AND FOUND DRIVE GEAR AND CRANKSHAFT GEAR DEFECTIVE. INSPECTION OF OIL FILTER REVEALED METAL CONTAMINATION OF ENGINE OIL SYSTEM. ENGINE TSOH: 1,067 HOURS. SUBMITTER RECOMMSDR AU970360Nut · broken(AUS) ALTERNATOR DRIVE CLUTCH ASSEMBLY SEPARATED FROM ALTERNATOR DUE TO FAILURE OF THE SLOTTED HOLDING NUT - DAMAGE TO ENGINE GEARS AND CRANKCASE ASSEMBLY - METAL CONTAMINATION OF ENGINESDR 97ZZZX2030Spring · brokenRIGHT ENGINE WOULD NOT TURN OVER TO START. FOUND CLUTCH SPRING INSIDE THE STARTER ADAPTER BROKEN. REPLACED STARTER ADAPTER. NOTE: THIS ENGINE AND STARTER ADAPTER IS NOT REQUIRED TO BE INSPECTED BY TCM BULLETIN CSB94-4A.SDR AU970211Pump · faulty(AUS) ENGINE FUEL PUMP FAULTY - SUSPECT INTERNAL STICKING IN SOLENOID - PUMP HAD COMPLETED 4.8 HOURS TIME SINCE OVERHAULSDR AU970385Pump · faulty(AUS) ELECTRICAL BOOST PUMP FAULTY - INVESTIGATION FOUND CHIPPED VANE WHICH CAUSED IMPELLER UNBALANCE AND WEAR TO THE VANES AND PUMP CAVITYSDR 97ZZZX820Pick Up · pluggedPILOT REPORTED THE RT ENGINE OIL PRESSURE WAS HIGH ON THE GROUND NEAR RED LINE, BUT WOULD FALL IN PRESSURE AT ALTITUDE, THE HIGHER THE ALTITUDE, THE LOWER THE OIL PRESSURE WOULD FALL REACHING BOTTOM RED LINE AT 12,000 FEET. THE OIL PRESSURE SPRING WAS REPLACESDR CA970114010Cylinder · separated(CAN) #1 ENGINE RUNNING ROUGH ON TAKEOFF. AIRCRAFT RETURNED TO BASE. POST FLIGHT INSPECTION FOUND #5 CYLINDER HEAD SEPARATED FROM THE BARREL, WITH A THREE INCH CRACK FROM THE INTAKE VALVE TO THE INTAKE PORT.SDR CA961223004Cylinder · separated(CAN) DURING CLIMBOUT THE #1 ENGINE HAD A LOSS OF POWER FOLLOWED BY ROUGH RUNNING. ON RETURN TO THE AIRPORT OIL WAS NOTICED ESCAPING THROUGH THE #1 ENGINE COWLING. POST FLIGHT INSPECTION FOUND THE #1 CYLINDER HEAD LYING IN THE COWLING. THE CYLINDER WAS REMOVEDSDR 97ZZZX364Separator · failedENGINE OIL PUMPING OVERBOARD. FOUND OIL AIR SEPARATOR INTERNAL SCREEN (SMALL) FAILED AND WAS BLOCKING OIL RETURN TO CRANKCASE. ENGINE DAMAGE AT THIS TIME UNKNOWN. SEPARATOR INSTALLED 411 HRS AGO NEW. ONLY SERVICES WET VACUUM PUMP. WENT TO DRY PUMP.SDR 96ZZZX5561Bolt · failedNR 4 CYLINDER ROCKER SHAFT BOLTS BROKE. LOOSE ROCKER PUNCHED A HOLE THROUGH VALVE COVER. ROUGH RUNNING AND SMOKE IS REASON FOR IN-FLIGHT SHUT DOWN.SDR CA960614006Valve · broken stem(CAN)#3 CYLINDER EXHAUST VALVE STEM BROKEN JUST BELOW THE HEAD.SDR 96ZZZX2879Cylinder · head separatedON TAKEOFF, NR 1 CYLINDER SEPARATED AT THE HEAD CAUSING ENGINE POWER LOSS. PILOT SHUT DOWN LEFT ENGINE AND RETURNED TO AIRPORT. ENGINE AND CYLINDER HAD 757 HOURS SINCE OVERHAUL WITH .010 INCH OVERSIZED BARRELS. CYLINDER TOTAL TIME UNKNOWN.SDR 96ZZZX2580Cylinder · bolts failedENGINE WAS SHUT DOWN IN-FLIGHT BY PILOT. FOUND ROCKER SHAFT BOLTS BROKEN, AND BENT PUSH ROD. VALVES, GUIDES AND PISTON WERE INSPECTED. ALL PARTS FOUND IN GOOD CONDITION. REINSTALLED CYLINDER AND GROUND RUN. ALL FOUND GOOD.SDR AU960536Switch · faulty(AUS) NOSE LANDING GEAR DOWNLOCK SWITCH FAULTYSDR AU960581Bolt · separated(AUS) ENGINE THROTTLE CONTROL UNIT ARM PNO 5055002-1 ATTACHMENT NUT PNOMS21044N3 AND BOLT PNO AH37A SEPARATED FROM ARM AND WERE FOUND ONTHE FLOOR OF THE ENGINE BAY - THE NUT WAS OF THE METAL LOCK TYPE AND INVESTIGATION FOUND THAT IT COULD BE SPUN ONTO THE BOLTSDR 96ZZZX1093Line · b-nut looseNR 3 CYLINDER FUEL INJECTOR LINE ATTACH B-NUT, BACKED OFF A DISTRIBUTOR VALVE CAUSING FUEL LEAK.SDR 96ZZZX3083Sleeve · air leakPILOT REPORTED HAVING A LOW FUEL FLOW INDICATION. INSPECTION REVEALED AN AIR LEAK IN THE UPPER DECK, NR 3 CYLINDER SLEEVE, WHERE THE SHAFT AND BLOCK CONNECT. SUBMITTER RECOMMENDS VISUAL INSPECTION AND IF NECESSARY, PART REPLACEMENT.SDR CA960311004Magneto · out of adjust(CAN) ON TAKEOFF, THE LEFT ENGINE SUFFERED A POWER LOSS, CAUSING A YAW TO THE LEFT. THE PILOT WAS UNABLE TO CONTROL OR STOP THE AIRCRAFT DUE TO ICY CONDITIONS AND THE AIRCRAFT RAN OFF THE END OF THE RUNWAY INTO GRASS AND BUSHES. INSPECTION BY MAINTENANCE REVSDR 95ZZZX6053Crankcase · crackedINSPECTION FOUND CRACK IN CRANKCASE STARTING AT TOP CASE FLANGE BOLT DOWN UNDER ENGINE DATA PLATE, THEN DOWN BETWEEN NR 3 AND NR 5 CYLINDERS. CRACK IS 8 INCHES LONG. LEFT ENGINE HAD A CRACK SAME AREA 96 HOURS AGO.SDR 95ZZZX3213Bushing · splitFOUND NR 1 PISTON PIN ROD BUSHINGS CRACKED CIRCUMFERENCE WISE .3750 INCH AND SPLIT ABOUT .0312 INCH. FOUR OUT OF 6 BUSHINGS CRACKED. NR 2 CYLINDERS WERE REMOVED FOR LOW COMPRESSION AT ANNUAL.SDR 95ZZZX1165Shaft Gear · failedDURING DISASSEMBLY OF THIS ENGINE, THE 'NEW STYLE' STARTER CLUTCH (REF: SB M92-10) GEAR TEETH WERE STARTING TO FAIL. ALSO, REF: CRITICAL SB 94-4.SDR 95ZZZX1166Shaft Gear · failedDURING DISASSEMBLY OF THIS ENGINE, THE 'NEW STYLE' STARTER CLUTCH (REF: SB M92-10) GEAR GEETH WERE STARTING TO FAIL. ALSO, REF: CRITICAL SB 94-4.SDR 95ZZZX803Retainer · brokenANOTHER OPERATOR OF CESSNA 421'S ADVISED THE NEED TO REMOVE VALVE SPRINGS TO CHECK THE SPRING RETAINER (PN 642343) FOR BREAKAGE DUE TO VALVE GUIDE NOT BEING INSTALLED ALL THE WAY - THEREBY CAUSED 'ROCKING' AS SEAT IS HELD OFF OF CYLINDER. THIS OPERATOR DISCOVE
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