# Service difficulty reports: Continental TSIO-520-J A list on [Continental TSIO-520-J](https://openairdocs.org/engine/continental-tsio-520-j.md). Newest first. General aviation reporting is voluntary. - [SDR CA101112006](https://openairdocs.org/sdr/CA101112006.md): Turbine · stuck · Nov 12, 2010 · Cessna 414 · Exhaust Turbocharger > (CAN) ON TAKEOFF, THE NR 2 ENGINE WOULD NOT DEVELOP FULL POWER. THE TURBOCHARGER HOT SIDE TURBINE WAS RUBBING ON THE TURBO HOUSING, PREVENTING IT SPINNING. THE TURBO WAS REPLACED. - [SDR CA091116007](https://openairdocs.org/sdr/CA091116007.md): Skin · cracked · Nov 13, 2009 · Cessna 414 · Wing, Plate/Skin > (CAN) DURING AN INSP, THE UPPER WING SKIN WAS FOUND CRACKED. THE CRACK WAS LOCATED AT THE AFT ATTACHMENT POINT OF THE MAIN FUEL TIP TANK. THE CRACK WAS 3/4 OF AN INCH IN LENGTH JUST FWD OF THE AFT WING SPAR. 2 RIVETS THAT GO THROUGH THE OTBD AILERON ATTACH BRA - [SDR CA050901004](https://openairdocs.org/sdr/CA050901004.md): Connecting Rod · broken · Sep 1, 2005 · Cessna 340CESSNA · Reciprocating Engine Power Section > (CAN) SUSPECT OIL STARVATION TO NR 3 CONNECTING ROD DUE TO MOVEMENT OF NR 2 INTERMEDIATE MAIN BEARING IN CRANKCASE. ENGINE NOT FULLY DISASSEMBLED AT THIS TIME. ENGINE BOTTOM END BEYOND REPAIR. - [SDR CA010219019](https://openairdocs.org/sdr/CA010219019.md): Diaphragm · cracked · Feb 1, 2001 · Cessna 414 · Engine Fuel Pump > (CAN) DURING AN INSPECTION, A FUEL STAIN WAS NOTICED ON AN ADF ANTENNA. IT WAS TRACED TO THE HEATER FUEL PUMP. THE PUMP WAS DISASSEMBLED AND A CRACKED DIAPHRAGM WAS FOUND. WHEN THE HEATER WAS RUNNING, FUEL POURED OUT AT THE FUEL PUMP HOUSING. THE DIAPHRAGM LOO - [SDR 20001017SH041](https://openairdocs.org/sdr/20001017SH041.md): Cylinder Head · destroyed · Sep 25, 2000 · N8139Q · Cessna 414 · Reciprocating Engine Cylinder Section > OFP - AFTER TAKEOFF IN VFR CONDITIONS, PILOT REPORTED ENGINE FIRE ON RIGHT ENGINE. AFTER SAFE LANDING, AND INSPECTION OF THE ENGINE REVEALED A 1.75 INCH HOLE IN THE SIDE OF NR 5 CYLINDER HEAD EXHAUST CHAMBER. UPON TEAR-DOWN INSPECTION OF THE ENGINE AND ACCES - [SDR 99ZZZX940](https://openairdocs.org/sdr/99ZZZX940.md): Cylinder · damaged · Jan 28, 1999 · N1852T · Piper PA28140 · Reciprocating Engine Cylinder Section > HEAD SEPARATION AT BARREL THREADS. CRACK PRODUCED STARTING AT HEAD AND BARREL ATTACHING THREADS DUE TO AGING CYLINDER. - [SDR CA990129017](https://openairdocs.org/sdr/CA990129017.md): Crankcase · cracked · Jan 18, 1999 · Cessna 414 · Reciprocating Engine Power Section > (CAN) DURING CRUISE,THE PILOT NOTICED FLUCTUATING MANIFOLD PRESSURE ON NR 1 ENGINE. THE ENGINE THEN LOST POWER AND BEGAN TO LOSE OIL PRESSURE. THE ENGINE WAS SECURED AND THE AIRCRAFT MADE AN UNEVENTFUL EMERGENCY LANDING. POST-FLIGHT INSPECTION FOUND TWO HO - [SDR CA981109025](https://openairdocs.org/sdr/CA981109025.md): Mount · corroded · Oct 19, 1998 · Cessna 414 · Engine Mount Section > (CAN) AFTER ENGINE REMOVAL FROM RIGHT HAND POSITION, AN AREA ON OUTBOARD ENGINE RT BEAM HAD A SLIGHT BUMP. FURTHER EXAMINATION REVEALED A PORTION OF THE Z-SECTION WHICH MAKES UP THE BEAM WAS CORRODED RIGHT THROUGH. INBOARD BEAM ALSO CORRODED. SUBMITTER SUGG - [SDR CA981109023](https://openairdocs.org/sdr/CA981109023.md): Alternator · cracked · Oct 15, 1998 · Cessna 414 · AC Generator-Alternator > (CAN) ALTERNATOR REMOVED AT SAME TIME AS ENGINE REMOVAL. ONE ATTACHING EAR WAS FOUND CRACKED, TO THE POINT THAT THE ONLY THING HOLDING IT WAS THE MOUNTING FLANGE GASKET. SUBMITTER STATED CRACK VERY HARD TO SEE AS ENGINE BAFFLING OBSCURES CLEAR VIEW. - [SDR CA981109022](https://openairdocs.org/sdr/CA981109022.md): Crankcase · cracked · Oct 2, 1998 · Cessna 414 · Reciprocating Engine Power Section > (CAN) PILOT REPORTED OIL LEAK ON NR 2 ENGINE. ENGINE WAS WASHED DOWN AND RUN-UP. INSPECTION FOUND A 1.5 INCH CRACK JUST BELOW THE FORWARD TOP THROUGH-BOLT AREA, NEAR THE THRUST BEARING AREA OF THE FRONT OF THE CRANKCASE. THE ENGINE WAS REMOVED AND SENT FOR - [SDR CA980325025](https://openairdocs.org/sdr/CA980325025.md): Exhaust Valve · worn · Mar 6, 1998 · Cessna 414 · Reciprocating Engine Power Section > (CAN) ENGINE RECEIVED FOR CRANKCASE REPAIR. ON DISASSEMBLY THE TIP OF THE EXHAUST VALVE STEMS, ON 2 CYLINDERS, WERE FOUND TO BELOW THE VALVE KEEPERS. THE VALVE KEEPERS WERE FOUND DAMAGED AND THE EXHAUST ROCKER ARMS WERE FOUND SEVERELY WORN. AS THE CYLINDERS WE - [SDR 97ZZZM257](https://openairdocs.org/sdr/97ZZZM257.md): Connecting Rod · failed · Jan 17, 1997 · N87147 · Cessna 402B · Reciprocating Engine Power Section > FLT 131 - EN ROUTE PQI-PWM - FLIGHT CREW LOST RIGHT ENGINE IN FLIGHT. AIRCRAFT LANDED AT BGR WITHOUT INCIDENT. PRE-INSPECTION NOTED OIL PRESENT, DAMAGE TO UPPER COWL. FURTHER INSPECTION NOTED BOTH MAGNETOS DAMAGED, NR 2 CONNECTING ROD THROUGH ENGINE CASE. - [SDR 96ZZZX3444](https://openairdocs.org/sdr/96ZZZX3444.md): Crankcase · cracked · May 30, 1996 · N123KK · Cessna 340CESSNA · Reciprocating Engine Power Section > ENGINE CRANKCASE WAS FOUND CRACKED FROM THE CRANKCASE THROUGH-BOLT AT CYLINDER NR 2. THE CASE WAS REPLACED 4-9-95. THE ENGINE CURRENTLY HAS 1,257 HOURS TSO. - [SDR 96ZZZX2066](https://openairdocs.org/sdr/96ZZZX2066.md): Crankshaft · failed · Mar 8, 1996 · N78S · Cessna 340CESSNA · Reciprocating Engine Power Section > AFTER TAKEOFF WHILE IN LEVEL FLIGHT, THE PILOT EXPERIENCED A SUDDEN ENGINE SEIZURE ON THE RT ENGINE. AN UNEVENTFUL LANDING WAS MADE. THE CRANK WAS FOUND BROKEN AT THE NR 3 MAIN BEARING SADDLE BETWEEN THE NR 4 AND NR 5 ROD THROW. THERE WAS CATASTROPHIC DAMAG - [SDR AU960329](https://openairdocs.org/sdr/AU960329.md): Stud · separated · Feb 27, 1996 · Cessna 414 · Reciprocating Engine Oil System > (AUS) LH ENGINE DRIVEN OIL PUMP HOUSING STUD SEPARATED CAUSING OIL LEAK- STUD IS NOT USED ON THIS INSTALLATION - [SDR CA960304011](https://openairdocs.org/sdr/CA960304011.md): Deice Tank · cracked · Feb 13, 1996 · Cessna 414 · Windshield/Door Rain/Ice Removal > (CAN) 1 INCH CRACK AT WELDMENT OF VENT LINE AND LOWER SECTION TANK SKIN. AREA APPEARS CORRODED AND VENT LINE SECTION BELOW TANK APPEARS TO HAVE HAD AN IMPACT. - [SDR 95ZZZX6742](https://openairdocs.org/sdr/95ZZZX6742.md): Support · cracked · Nov 21, 1995 · N414GG · Cessna 414A · Exhaust Turbocharger > AFT END OF BRACKET CRACKED 1.5 INCHES OF THE 1.75 INCH WIDTH. AFT END OF BRACKET IS SLOTTED, MAY HAVE BEEN INSTALLED WITH A PRELOAD. SUBMITTER STATED TO TIGHTEN FORWARD BOLTS, LET AFT END CENTER BEFORE TIGHTENING. - [SDR 95ZZZX3269](https://openairdocs.org/sdr/95ZZZX3269.md): Rocker Arm Pin · worn · Jun 19, 1995 · N13MN · Cessna 414 · Reciprocating Engine Cylinder Section > ROCKER ARM PINS WERE WORN ON ONE SIDE BEYOND LIMITS. SUSPECT WEAR WAS DUE TO AGE OF PARTS AND POSSIBLE OIL STARVATION. - [SDR 95ZZZX3282](https://openairdocs.org/sdr/95ZZZX3282.md): Rocker Arm · bearing worn · Jun 19, 1995 · N13MN · Cessna 414 · Reciprocating Engine Cylinder Section > ROCKER ARM BEARING WORN BEYOND LIMITS. SUSPECT DUE TO AGE AND OIL STARVATION TO THIS PART. - [SDR 95ZZZX3283](https://openairdocs.org/sdr/95ZZZX3283.md): Rocker Arm · worn · Jun 19, 1995 · N13MN · Cessna 414 · Reciprocating Engine Cylinder Section > ROCKER ARM BEARING WORN BEYOND LIMITS. SUSPECT DUE TO AGE AND OIL STARVATION TO THIS PART. - [SDR 95ZZZX2892](https://openairdocs.org/sdr/95ZZZX2892.md): Crankshaft · broke · May 30, 1995 · N7632Q · Cessna 340CESSNA · Reciprocating Engine Power Section > ENGINE FAILURE - LEVEL AT 12,000 FEET MSL CRUISE POWER. RAPID REDUCTION IN RPM, M.A.P., AND O.P., THEN PUT IN FEATHER. UPON LANDING, MECHANIC DETERMINED THAT NR 1 AND NR 2 CYLINDERS PISTONS DO NOT MOVE WHEN CRANKSHAFT/PROPELLER IS ROTATED. ALTHOUGH THE ENGI ## The whole list in SQL Runs in DuckDB 1.2 or later on the release's Parquet files over HTTPS: ```sql 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 = 'TSIO520J' ORDER BY difficulty_date DESC ``` This list as a web page: https://openairdocs.org/engine/continental-tsio-520-j/reports --- OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.