# Service difficulty reports: Continental TSIO-520-R

A list on [Continental TSIO-520-R](https://openairdocs.org/engine/continental-tsio-520-r.md).

Newest first. General aviation reporting is voluntary.

Page 1 of 3 · 129 reports

- [SDR 2024FA0000620](https://openairdocs.org/sdr/2024FA0000620.md): Alternator · loose · Aug 18, 2024 · N1625U · Cessna T210N · AC Generator-Alternator
  > WE RECENTLY REPLACED AN ALTERNATOR DUE TO THE CHARGING SYSTEM DROPPING OUT IN FLIGHT, AND UPON EXAMINATION OF THE REMOVED ONE, IT WAS FOUND THAT TWO OF THE FOUR CASE SCREWS ARE LOOSE, BUT SAFETY WIRES ARE STILL IN PLACE. PLANE POWER MODEL ASG1200-1-PMA 24V,
- [SDR 2024FA0000594](https://openairdocs.org/sdr/2024FA0000594.md): Lifter · corroded · Aug 13, 2024 · Reciprocating Engine Power Section
  > RECEIVED FACTORY REMANUFACTURED TSIO520 R9B FROM CAT. PRIOR TO REMOVING THE ENGINE FROM THE SHIPPING CRATE A PITTED AND MARRED LIFTER WAS DISCOVERED. ENGINE SN 1046657. CAT RETURNED THAT ENGINE AND SENT ME A REPLACEMENT ENGINE SN 1047255. PRIOR TO INSTALLA
- [SDR M2LA201806221001](https://openairdocs.org/sdr/M2LA201806221001.md): Cylinder · cracked · Jun 11, 2018 · N206WD · Cessna TU206G · Reciprocating Engine Cylinder Section
  > ACFT STARTED AND RUNNING FOR A TRAINING FLIGHT, PILOTS NOTICED A VIBRATION OF THE ENGINE AND NO CYLINDER HEAD TEMP OR EXHAUST TEMP ON NR 6 CYLINDER IAW THE ENGINE MONITOR. PILOTS SHUT ENGINE DOWN AND NOTIFIED MAINTENANCE. AFTER INSPECTION OF CYLINDER NR 6, B
- [SDR 2017FA0000410](https://openairdocs.org/sdr/2017FA0000410.md): Alternator · failed · Aug 10, 2017 · N9403Y · Cessna 210 · AC Generator-Alternator
  > REBUILT ALTERNATOR WAS INSTALLED. DURING A 50/100 HOUR INSPECTION FOR A NORMAL TBO REPLACEMENT, IT WAS REMOVED FROM THE ACFT DUE TO FAILURE AT AIRCRAFT TT 6680.0 ALTERNATOR FAILED AFTER 44.5 HOURS.
- [SDR 2017F00155](https://openairdocs.org/sdr/2017F00155.md): Fuel Nozzle · clogged · Jul 11, 2017 · N6993N · Cessna T210N · Fuel Injector Nozzle
  > POWER LOSS AFTER TAKEOFF RESULTING IN RETURN TO AIRPORT. FUEL FLOW WAS REPORTED HIGH AND MANIFOLD PRESSURE NORMAL. SUSPECTED PARTIALLY PLUGGED FUEL INJECTOR NOZZLE.
- [SDR 2016FA0000584](https://openairdocs.org/sdr/2016FA0000584.md): Alternator · low voltage · Nov 15, 2016 · N93285 · Cessna T210L · AC Generator-Alternator
  > VOLT METER INDICATED A DISCHARGE AT 1000 RPM. NORMAL VOLT AT 1000RPM AS PER CHECK SHOULD BE 28.5+-5. VOLT METER INDICATED AT 1000 RPM 25.0 AMPS 37. AT 1700 RPM VOLT 27.8 AMPS 42, AT 2000 RPM V27.8 AMPS 39.
- [SDR 2015FA0000492](https://openairdocs.org/sdr/2015FA0000492.md): Condenser · failed · Oct 12, 2015 · N79ME · Cessna T210N · Magneto/Distributor
  > FOUND BAD CONDENSOR ON MAGNETO, SN 14020225 IN JULY 2014. PART TT APPROXIMATELY 16 HOURS. ON OCTOBER 9, 2015 FOUND BAD CONDENSOR ON WARRANTY REPLACEMENT MAGNETO, SN 14020227, PART TT 184. FAILURES AT 16 AND 184 HOURS ARE UNUSUAL. BECAUSE MAGNETOS ARE OFTEN
- [SDR 2015FA0000493](https://openairdocs.org/sdr/2015FA0000493.md): Coil · failed · Oct 12, 2015 · N79ME · Cessna T210N · Magneto/Distributor
  > MAGNETO, SN 14020225 FAILED IN FLIGHT IN JULY 2014. PART TT APPROXIMATELY 16 HOURS. FOUND BAD CONDENSOR ON WARRANTY REPLACEMENT MAGNETO, SN 14020227, PART TT 184. FAILURES AT 16 AND 184 HOURS ARE UNUSUAL. BECAUSE MAGNETOS ARE OFTEN SOLD IN PAIRS IT IS POS
- [SDR NF2R201812210002](https://openairdocs.org/sdr/NF2R201812210002.md): Lifter · galled · Apr 16, 2015 · N15DA · Cessna T210M · Reciprocating Engine Cylinder Section
  > #1 CYLINDER LOW COMPRESSION 59/80 LEAKING THROUGH EXHAUST VALVE. FOUND LIFTERS SHOWING PITTING AND STRESS.
- [SDR 2014FA0000711](https://openairdocs.org/sdr/2014FA0000711.md): Line · leaking · Dec 16, 2014 · N761WU · Cessna 210M · Aircraft Fuel Distribution System
  > FUEL LINE, THAT GOES FROM THE FUEL SELECTOR TO THE FUEL BOOST PUMP WAS FOUND LEAKING PROFUSELY. HOSE LOOKED TO BE ORIGINAL EQUIPMENT.
- [SDR 4DSR201411240001](https://openairdocs.org/sdr/4DSR201411240001.md): Control Unit · seized · Nov 24, 2014 · N93285 · Cessna T210L · Mixture Control
  > DURING 50 HOUR INSPECTION, MECHANIC FOUND THE MIXTURE CONTROL OPERATION TO BE VERY STIFF. FOUND THE MIXTURE CONTROL UNIT ON ENGINE SEIZED AND VERY HARD TO MOVE BY HAND, REPLACED.
- [SDR 2014FA0000558](https://openairdocs.org/sdr/2014FA0000558.md): Fuel Line · leaking · Sep 25, 2014 · N6355C · Cessna T210N · Aircraft Fuel Distribution System
  > FUEL LINE HAS DARK STAIN HALF WAY BETWEEN ATTACHMENT AND FITTING. LINE PITTED UNDER PLASTIC ANTI-CHAFING MATERIAL, FUEL WEEP CAUSING STAIN. FOUND DURING ANNUAL.
- [SDR 2014FA0000074](https://openairdocs.org/sdr/2014FA0000074.md): Spar · loose · Feb 14, 2014 · N761GQ · Cessna T210M · Wing Spar
  > DURING ANNUAL INSPECTION, FOUND MOVEMENT IN THE RT WING SPAR FITTINGS, BETWEEN THE RT WING MAIN SPAR ATTACH BRACKETS AND THE FUSELAGE CARRY-THROUGH SPAR ATTACH BRACKETS.
- [SDR 2014FA0000047](https://openairdocs.org/sdr/2014FA0000047.md): Attach Bracket · corroded · Jan 27, 2014 · N210AK · Cessna 210 · Wing, Attach Fittings
  > DURING SCHEDULED ANNUAL INSPECTION, FOUND MOVEMENT IN THE RT WING SPAR FITTINGS, BETWEEN THE RT WING MAIN SPAR ATTACH BRACKETS AND THE FUSELAGE CARRY-THROUGH SPAR ATTACH BRACKETS. REMOVED RT WING FROM AIRCRAFT, FOUND SIGNIFICANT PITTING AND CORROSION IN BORES
- [SDR 2014FA0000046](https://openairdocs.org/sdr/2014FA0000046.md): Lifter · spalled · May 13, 2013 · N732YK · Cessna T210M · Reciprocating Engine Power Section
  > TWO SPALLED EXHUAST LIFTERS WHICH DAMAGE CAM.
- [SDR CKE2013F00000](https://openairdocs.org/sdr/CKE2013F00000.md): Bushing · loose · Mar 12, 2013 · N5168A · Cessna T210N · Fuel Injector Nozzle
  > FUEL INJECTOR BUSHINGS DID NOT STAY IN PLACE WHEN FUEL INJECTORS WERE REMOVED. INJECTORS WERE REMOVED FOR CLEANING. THIS ENGINE HAS 185 TSMOH AND 5 OUT OF THE 6 BUSHINGS LOOSENED WITH THE INJECTOR. PROBABLE CAUSE IS THAT THE LOCTITE 620 DOES NOT HOLD THE BU
- [SDR 2013FA0000009](https://openairdocs.org/sdr/2013FA0000009.md): Cylinder Head · cracked · Dec 15, 2012 · N4631C · Cessna T210N · Reciprocating Engine Cylinder Section
  > COMPRESSION CHECK AT ANNUAL REVEALED CRACKED HEAD-AD 2004-08-10 NA DUE TO SN AND "A" STAMP. THIS CYLINDER SEEMS TO HAVE SAME PROBLEM AS AD BUT WAS INT INCLUDED. NOTIFIED MFG. AD MAY NEED TO BE EXPANDED. FURTHER TESTING WITH SCRAP AND WATER. REVEALED 4 MOR
- [SDR 2013FA0000010](https://openairdocs.org/sdr/2013FA0000010.md): Cylinder Head · cracked · Dec 15, 2012 · N4631C · Cessna T210N · Reciprocating Engine Cylinder Section
  > COMPRESSION CHECK AT ANNUAL REVEALED CRACKED HEAD-AD 2004-08-10 NA DUE TO SN AND "A" STAMP. THIS CYLINDER SEEMS TO HAVE SAME PROBLEM AS AD BUT WAS INT INCLUDED. NOTIFIED MFG. AD MAY NEED TO BE EXPANDED. FURTHER TESTING WITH SCRAP AND WATER. REVEALED 4 MOR
- [SDR 2013FA0000011](https://openairdocs.org/sdr/2013FA0000011.md): Cylinder Head · cracked · Dec 15, 2012 · N4631C · Cessna T210N · Reciprocating Engine Cylinder Section
  > COMPRESSION CHECK AT ANNUAL REVEALED CRACKED HEAD-AD 2004-08-10 NA DUE TO SN AND "A" STAMP. THIS CYLINDER SEEMS TO HAVE SAME PROBLEM AS AD BUT WAS INT INCLUDED. NOTIFIED MFG. AD MAY NEED TO BE EXPANDED. FURTHER TESTING WITH SCRAP AND WATER. REVEALED 4 MOR
- [SDR 2013FA0000012](https://openairdocs.org/sdr/2013FA0000012.md): Cylinder Head · cracked · Dec 15, 2012 · N4631C · Cessna T210N · Reciprocating Engine Cylinder Section
  > COMPRESSION CHECK AT ANNUAL REVEALED CRACKED HEAD-AD 2004-08-10 NA DUE TO SN AND "A" STAMP. THIS CYLINDER SEEMS TO HAVE SAME PROBLEM AS AD BUT WAS NOT INCLUDED. NOTIFIED MFG. AD MAY NEED TO BE EXPANDED. FURTHER TESTING WITH SCRAP AND WATER. REVEALED 4 MOR
- [SDR 2013FA0000013](https://openairdocs.org/sdr/2013FA0000013.md): Cylinder Head · cracked · Dec 15, 2012 · N4631C · Cessna T210N · Reciprocating Engine Cylinder Section
  > COMPRESSION CHECK AT ANNUAL REVEALED CRACKED HEAD-AD 2004-08-10 NA DUE TO SN AND "A" STAMP. THIS CYLINDER SEEMS TO HAVE SAME PROBLEM AS AD BUT WAS INT INCLUDED. NOTIFIED MFG. AD MAY NEED TO BE EXPANDED. FURTHER TESTING WITH SCRAP AND WATER. REVEALED 4 MOR
- [SDR 2013FA0000014](https://openairdocs.org/sdr/2013FA0000014.md): Cylinder Head · cracked · Dec 15, 2012 · N4631C · Cessna T210N · Reciprocating Engine Cylinder Section
  > COMPRESSION CHECK AT ANNUAL REVEALED CRACKED HEAD-AD 2004-08-10 NA DUE TO SN AND "A" STAMP. THIS CYLINDER SEEMS TO HAVE SAME PROBLEM AS AD BUT WAS INT INCLUDED. NOTIFIED MFG. AD MAY NEED TO BE EXPANDED. FURTHER TESTING WITH SCRAP AND WATER. REVEALED 4 MOR
- [SDR 2012FA0000716](https://openairdocs.org/sdr/2012FA0000716.md): Pump · leaking · Oct 22, 2012 · N7072 · Cessna T210M · Engine Fuel Pump
  > PILOT WROTE-UP "FUEL FLOW METER INOP" DURING INITIAL START-UP. FOUND NO OR VERY LOW FUEL FLOW INDICATION AT IDLE BUT ENGINE RAN NORMAL, FOUND NORMAL FUEL FLOW INDICATION AT MID TO HIGH POWER SETTINGS WITH ENGINE RUNNING NORMALLY. FOUND GAUGE TO BEOPERATING PRO
- [SDR 2010FA0001213](https://openairdocs.org/sdr/2010FA0001213.md): Rod Bolt · loose · Dec 2, 2010 · N6564N · Cessna T210N · Reciprocating Engine Power Section
  > PILOT EXPERIENCED ENGINE SUDDEN STOPPAGE IN FLIGHT AND MADE UNSCHEDULED LANDING. ANALYSIS OF THE CATASTROPHIC ENGINE FAILURE INDICATED FAILURE OCCURED WHEN THE NR5 CONNECTING ROD SEPARATED. THE CAUSE OF FAILURE OF THE CONNECTING ROD WAS A LOOSE ROD BOLT IN THE
- [SDR 2010FA0001177](https://openairdocs.org/sdr/2010FA0001177.md): Case · punctured · Nov 15, 2010 · N6179Y · Cessna T210N · Engine (Reciprocating)
  > PILOT REPORTED LOSSING OIL PRESSURE FOLLOWED BY LOSS OF POWER. AFTER FORCED LANDING ON DIRT ROAD, INSP SHOWED CONNECTING ROD HAD PENETRATED UPPER LT SIDE OF MAIN CASE.
- [SDR 2010FA0001164](https://openairdocs.org/sdr/2010FA0001164.md): Camshaft · worn · Nov 3, 2010 · N761BT · Cessna T210M · Reciprocating Engine Power Section
  > WORN CAMSHAFT (PN 655384, SN 34962) DISCOVERED DURING CYLINDER CHANGE (LOW COMPRESSION) CYLINDERS NR3 & NR4 INTAKE LOBES ONLY. NEW LIFTERS WERE INSTALLED WITH THE NEW CAMSHAFT AT INSTALLATION. INITIATOR STATES THIS HAS BEEN A PROBLEM MORE THAT A FEW TIMES. MF
- [SDR 2010FA0001170](https://openairdocs.org/sdr/2010FA0001170.md): Hub · failed · Oct 28, 2010 · N732XF · Cessna T210M · Wheel/Ski/Float
  > RT MAIN WHEEL HUB BROKE ON LANDING, AFTER NORMAL TOUCHDOWN WITH NO BRAKING. BROKEN AREA OF WHEEL HAS CORROSION AT BOTTOM OF THREADS. WHEEL TURNED SIDEWAYS DAMAGING BRAKE TORQUE PLATE AXEL AND BRAKE LINE.
- [SDR 2010FA0001121](https://openairdocs.org/sdr/2010FA0001121.md): Tappet · chipped · Oct 18, 2010 · Reciprocating Engine Power Section
  > NEW TAPPET BODY WAS CHIPPED AT THE EDGE OF THE TAPPET BODY FACE.
- [SDR 2010FA0001215](https://openairdocs.org/sdr/2010FA0001215.md): Fitting · broken · Oct 4, 2010 · N6689B · Cessna T210M · Reciprocating Engine Oil System
  > (GBBR) THE ENGINE SUFFERED CATASTROPHIC FAILURE DUE TO ENGINE OIL STARVATION CAUSED BY THE FAILURE/BREAKAGE OF THE TURBOCHARGER OIL RETURN LINE FITTING AT THE REAR OF THE ENGINE. THE LOSS OF ENGINE OIL ULTIMATELY RESULTED IN AN UNCONTAINED FAILURE OF THE NR4
- [SDR GBBR155E](https://openairdocs.org/sdr/GBBR155E.md): Fitting · broken · Sep 24, 2010 · N6689B · Cessna T210M · Turbine Engine Oil System
  > (GGBR) THE ENGINE SUFFERED CATASTROPHIC FAILURE DUE TO ENGINE OIL STARVATION CAUSED BY THE FAILURE/BREAKAGE OF THE TURBOCHARGER RETURN OIL LINE FITTING AT THE REAR OF THE ENGINE. THE LOSS OF ENGINE OIL ULTIMATELY RESULTED IN THE UNCONTAINED FAILURE OF THE NR 4
- [SDR J7B2010F00000](https://openairdocs.org/sdr/J7B2010F00000.md): Cylinder · leaking · Aug 13, 2010 · N761ST · Cessna T210M · Reciprocating Engine Cylinder Section
  > CYLINDER ASSY IS LEAKING. FUEL, EXHAUST, AND OIL STAIN BETWEEN CYLINDER BARREL AND HEAD. OCCURRED UNDER NORMAL USAGE.
- [SDR J7B2010F00001](https://openairdocs.org/sdr/J7B2010F00001.md): Cylinder · leaking · Aug 13, 2010 · N761ST · Cessna T210M · Reciprocating Engine Cylinder Section
  > CYLINDER ASSY IS LEAKING. FUEL, EXHAUST, AND OIL STAIN BETWEEN CYLINDER BARREL AND HEAD. OCCURRED UNDER NORMAL USAGE.
- [SDR 2010FA0000756](https://openairdocs.org/sdr/2010FA0000756.md): Check Valve · failed · Jul 17, 2010 · N734JC · Cessna T210M · Exhaust Turbocharger
  > P/N S2361-1, LOT 60507, OIL CHECK VALVE FROM TURBOCHARGER, INSTALLED NEW ON 12 APRIL 2010, 60 HOURS IN SERVICE PRIOR TO FAILURE. RECEIVED "LOW OIL PRESSURE" ALERT FROM AURACLE 2100 SYSTEM, IMMEDIATELY TURNED TO NEAREST AIRPORT (KDTS) AND MADE EMERGENCY LANDIN
- [SDR 2009FA0000969](https://openairdocs.org/sdr/2009FA0000969.md): Cylinder Head · cracked · Sep 22, 2009 · Reciprocating Engine Cylinder Section
  > CYLINDER HEAD CRACKED AT THE EXHAUST PORT. THE CRACK EXTENDS FROM THE INSIDE ABOVE THE VALVE SEAT THROUGH THE CYLINDER HEAD APPROX 1.7" LONG. (K)
- [SDR 2009FA0000970](https://openairdocs.org/sdr/2009FA0000970.md): Cylinder Head · cracked · Sep 22, 2009 · Reciprocating Engine Cylinder Section
  > CYLINDER HEAD CRACKED AT THE INTAKE PORT. THE CRACK EXTENDS FROM THE EDGE OF THE INTAKE PORT TO BETWEEN THE COOLING FINS APPROX 2.5". (K)
- [SDR 2009FA0000791](https://openairdocs.org/sdr/2009FA0000791.md): Line · corroded · Jun 17, 2009 · N761BT · Cessna T210M · Aircraft Fuel Distribution System
  > INSP FOUND MINOR FUEL LEAK AT THE FWD FUEL LINE WHERE IT COMES IN CONTACT WITH FRESH AIR VENT DUCTING LOACTED IN WING L/E. AIR DUCTING CAUSES CORROSION PITS TO FORM. LINE WAS REPLACED. INSPECTED (5) OTHER SIMULAR ACFT AND FOUND SAME RESULTS IN ALL EXCEPT (1
- [SDR 2007FA0000641](https://openairdocs.org/sdr/2007FA0000641.md): Line · mismanufactured · Jul 6, 2007 · N4631C · Cessna T210N · Aircraft Fuel Distribution System
  > NEW FUEL INJECTOR LINE NR 5 CYL RAM PMA REPLACEMENT. INSTALLED ON ENGINES, WELD DEFECT ALLOWED DEVIPER END BAIL TO COME LOOSE FROM LINE. NOTED FUEL LEAN ON TOP OF ENGINE AT ANNUAL 100 HR INSP. (K)
- [SDR 2007FA0000398](https://openairdocs.org/sdr/2007FA0000398.md): Magneto · corroded · Apr 18, 2007 · N5361Y · Cessna T210N · Magneto/Distributor
  > EMERGENCY RETURN TO FIELD: INSPECTION REQUIREMENTS FOR MAGNETO (PN 6320) ARC NOT ADEQUATE TO INSURE PROPER VENTING (PRESSURIZED MAG). SB 2-80C SPECIFIES ONLY EXTERNAL INSPECTION IS REQUIRED EVERY 100 HOURS AND AN INTERNAL INSPECTION AFTER 500 HOURS. THE SUB
- [SDR 2007FA0000399](https://openairdocs.org/sdr/2007FA0000399.md): Magneto · corroded · Apr 18, 2007 · N5361Y · Cessna T210N · Magneto/Distributor
  > EMERGENCY RETURN TO FIELD: INSPECTION REQUIREMENTS FOR MAGNETO (PN 6320) ARC NOT ADEQUATE TO INSURE PROPER VENTING (PRESSURIZED MAG). SB2-80C SPECIFIES ONLY EXTERNAL INSPECTION IS REQUIRED EVERY 100 HOURS AND AN INTERNAL INSPECTION AFTER 500 HOURS. THE SUBE
- [SDR 2006FA0001070](https://openairdocs.org/sdr/2006FA0001070.md): Bearing · seized · Feb 23, 2006 · N6622N · Cessna T210N · Engine Starter
  > OVERHAULER W/O NR 84062, O/H DATE 10/06/2006. STARTER BEARING SEIZED AFTER INSTALLATION STARTER MOTOR FAILED. (K)
- [SDR CA060201001](https://openairdocs.org/sdr/CA060201001.md): Spar · cracked · Feb 1, 2006 · Cessna T210N · Wing Spar
  > A 100 HR INSPECTION WAS STARTED A CRACK WAS DISCOVERED AT THE RIGHT FRONT SPAROUT BOARD END WHERE IT ATTACHES TO THE SUB SPAR. THE CRACK IS VERTICAL RUNNING APPROXIMATELY 1 1/2 TO TWO INCHES IN LENGTH. THE CRACK STARTS AT THE TOP AND RUNS DOWN THROUGH A RIVE
- [SDR 2005FA0001133](https://openairdocs.org/sdr/2005FA0001133.md): Cylinder Head · damaged · Jul 19, 2005 · N50QH · Cessna T210N · Reciprocating Engine Cylinder Section
  > DURING CRUISE FLIGHT, A LOUD BANG FROM THE ENGINE COMPARTMENT WAS FOLLOWED BY LOSS OF POWER AND SIGNIFICANT ENGINE VIBRATION. THE PILOT MADE AN EMERGENCY LANDING ON A DIRT ROAD WITH NO DAMAGE TO THE AIRCRAFT. THE NR 1 CYLINDER HEAD HAD FRACTURED COMPLETELY T
- [SDR 2005FA0000999](https://openairdocs.org/sdr/2005FA0000999.md): Cylinder Head · separated · Jun 1, 2005 · N7235F · Cessna T210N · Reciprocating Engine Cylinder Section
  > NR 2 CYLINDER HEAD SEPARATED FROM BARREL. OCURRENCE OCCURRED DURING DEPARTURE FROM AIRPORT, ENROUTE. PROBABLE CAUSE IS WORN CYLINDER OR POSSIBLE OVERBOOST. RECOMMEND WHEN PERFORMING COMPRESSION TEST THAT YOU PRESSURIZE AND SOAP CYLINDER AT BARREL AND HEAD A
- [SDR 2005FA0000586](https://openairdocs.org/sdr/2005FA0000586.md): Governor · plugged · Apr 10, 2005 · N5130A · Cessna T210N · Propeller Governor
  > DEPARTING SOFT FIELD POWER AND RPM FINE ON INITIAL ROLL. AFTER WHEELS BECAME LIGHT, POWER BLED OFF, YIELDING NO FURTHER ACCELERATION OR LIFT. ABORTED TAKE-OFF, NOSE WHEEL GOUGED INTO SOFT SAND, BREAKING NOSE FORK, PITCHING NOSE OF AIRCRAFT INTO DIRT. PROP B
- [SDR 2005FA0000216](https://openairdocs.org/sdr/2005FA0000216.md): Connecting Rod · failed · Feb 9, 2005 · N5130A · Cessna T210N · Reciprocating Engine Power Section
  > NR 2 CONNECTING ROD FAILED BREAKING CRANKCASE, KNOCKING LT MAG FROM MOUNT. ROD SHOWED FRICTION WELDING TO CRANK PRIOR TO FAIURE. COUNTERWEIGHT DAMAGED BY IMPACT WITH ROD. APPEARS ENG CONTINUED TO OPERATE BRIEFLY FOLLOWING ROD SEIZURE. PILOT ACCOMPLISHED SU
- [SDR 2005FA0000024](https://openairdocs.org/sdr/2005FA0000024.md): Bolt · loose · Jan 17, 2005 · N732YK · Cessna T210M · Fasteners
  > 3 OF THE 4 BOLTS THAT ATTACH THE METAL PLATE THAT THE ACTUATOR IS MOUNTED ON TO THE WASTEGATE BODY WERE MISSING. FOURTH BOLT WAS BACKED OUT ABOUT HALF WAY. ALL THREE BOLTS FOUND LOOSE IN ENGINE COMPARTMENT. WASTEGATE ASSEMBLY ONLY 287 FROM OVERHAUL BY MAIN
- [SDR 2005FA0000444](https://openairdocs.org/sdr/2005FA0000444.md): Exhaust Valve · broken · Dec 23, 2004 · N761QK · Cessna T210M · Reciprocating Engine Cylinder Section
  > PILOT REPORTED HEARING A BANG AND NOTICED AN ENGINE VIBRATION AND REDUCTION IN TEMPERATURE ON HIS ENGINE MONITOR. PILOT REPORTED AN EMERGENCY TO ATC AND MADE A SAFE LANDING AT AIRPORT. MAINTENANCE PERFORMED AN ENGINE COMPRESSION TEST AND FOUND CYLINDER NR 1
- [SDR 2004FA0000807](https://openairdocs.org/sdr/2004FA0000807.md): Exhaust Valve · burned · Oct 17, 2004 · N732YK · Cessna T210M · Reciprocating Engine Power Section
  > EXHAUST VALVE LEAKAGE ON COMPRESSION CHECK. BURNED VALVE VERIFIED BORESCOPE INSPECTION. VALVE STEM AND GUIDE WORN BEYOND SERVICE LIMITS.
- [SDR CA050125015](https://openairdocs.org/sdr/CA050125015.md): Piston · disintegrated · Jul 16, 2004 · Cessna T210N · Reciprocating Engine Power Section
  > (CAN) ENGINE HAD 450 HOURS SINCE TOTAL O/H, WAS PERFORMING NORMAL. CYL LEAK TEST WERE MIN. 60/80 AND OIL CONSUMPTION WAS 1 LT-13 HRS. AC WAS IN BASE LEG WITH POWER REDUCED GRADUALLY BACK TO 20 IN., PROP NEAR FINE, MIXTURE NEAR RICH. VIBRATION STARTED IN ENG
- [SDR CRJ2004F00000](https://openairdocs.org/sdr/CRJ2004F00000.md): Ground Wire · dirty · Jun 15, 2004 · N6227Y · Cessna T210N · Stall Warning System
  > WHEN PITOT HEAT IS ENGAGED, IT RENDERS THE STALL WARNING HORN INOPERABLE. STALL WARNING RESUMES WORKING PROPERLY WITH PITOT HEAT DISENGAGED. THE GROUND ON THE STALL WARNING UNIT WAS CLEANED. ALL OPERATIONS WORK PROPERLY. NOTE: THIS IS THE THIRD FINDING COM

Next page: https://openairdocs.org/engine/continental-tsio-520-r/reports.md?page=2

## 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 = 'TSIO520R'
ORDER BY difficulty_date DESC
```

This list as a web page: https://openairdocs.org/engine/continental-tsio-520-r/reports

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