# Service difficulty reports: Continental IO-470-VO

A list on [Continental IO-470-VO](https://openairdocs.org/engine/continental-io-470-vo.md).

Newest first. General aviation reporting is voluntary.

- [SDR 2021FA0000105](https://openairdocs.org/sdr/2021FA0000105.md): Bolt · sheared · Apr 1, 2021 · N2249M · Cessna 310L · Main Landing Gear Strut/Axle/Truck
  > DURING THE LANDING PORTION OF OUR FLIGHT ON THE ROLL OUT THE RIGHT GEAR COLLAPSE UNDERNEATH THE AIRPLANE. UPON FURTHER INSPECTION IT WAS DETERMINED THAT THE BOLT HOLDING THE FOLLOWING SIDE BRACE AND DOWN LOCK SHEARD CAUSING THE RIGHT SIDE BRACE LOCK LINK ASSE
- [SDR 2018FA0000111](https://openairdocs.org/sdr/2018FA0000111.md): Idler Assy · broken · Mar 20, 2018 · Cessna 310K · Landing Gear Retraction/Extension System
  > ARM ASSY BELLCRANK IDLER BROKEN WHERE TUBE ASSY GEAR MAIN DRIVEIS BOLTED TO THE BELLCRANK.
- [SDR CA140211008](https://openairdocs.org/sdr/CA140211008.md): Bolt · sheared · Feb 5, 2014 · Cessna 182 · Main Landing Gear
  > (CAN) DURING CPCP INSPECTION AND 1000 HR U-BOLT REPLACEMENT. RT GEAR U-BOLT WAS FOUND TO BE SHEARED AT BOTTOM OF REAR THREADS. SUSPECTED NUT WAS OVER TORQUED AND BOTTOMED OUT ON THREADS. TOTAL TIME ON U-BOLT IS UNKNOWN.
- [SDR CA131219015](https://openairdocs.org/sdr/CA131219015.md): Spar · corroded · Dec 16, 2013 · Cessna 182 · Wing Spar
  > (CAN) DURING CPCP BASE CORROSION INSPECTION. WHILE ACCOMPLISHING SID 57-11-01 WING STRUCTURE INSPECTION. DURING CLEANING OF SPAR BLOCKS SEVERE EXFOLIATION CORROSION WAS FOUND ON 3 OUT OF 4 SPAR BLOCKS. CORROSION WAS LOCATED INSIDE RADIUS OF BLOCK WHERE AN B
- [SDR 2012FA0000726](https://openairdocs.org/sdr/2012FA0000726.md): Cylinder Head · separated · Sep 29, 2012 · N247EF · Cessna 310P · Reciprocating Engine Cylinder Section
  > WHILE ON A 3 MILE FINAL, OIL STARTED APPEARING ON THE RIGHT ENGINE NACELLE AND THE PILOT REPORTED A VIBRATION. AFTER AN UN EVENTFUL LANDING, THE ACFT TAXIED BACK UNDER ITS OWN POWER. THE MECHANIC FOUND THAT THE RT ENGINE NR 2 CYLINDER HEAD WAS STARTING TO SE
- [SDR Y2GR201111333574](https://openairdocs.org/sdr/Y2GR201111333574.md): Gear · damaged · Nov 3, 2011 · Cessna 310N · Reciprocating Engine Power Section
  > CRANKSHAFT GEAR WAS FOUND WITH FOUR TEETH MISSING FROM THE GEAR. THE CAMSHAFT GEAR THAT IT IS MESHED WITH STILL ROTATED AROUND THE GEAR AND MESHED WITH THE REMAINING TEETH. SB 08-12 DATED 9/9/08 SUPERSEDES THIS GEAR PN WITH A NEW HEAVIER GEAR PN 657175 AT THE
- [SDR EAVR20110816001](https://openairdocs.org/sdr/EAVR20110816001.md): Cylinder Head · cracked · Aug 15, 2011 · N316RA · Cessna 310Q · Reciprocating Engine Cylinder Section
  > AIRCRAFT LEVELED OFF FROM CRUISE CLIMB. ACFT WAS ALLOWED TO ACCELERATE TO CRUISE SPEED. POWER WAS SET TO CRUISE POWER SETTINGS OF 23/23 IN MP AND 2300/2300 RPM. FUEL FLOW WAS SET AT 12/12 GPH. APPROX 10 MINUES LATER, A SLIGHT JOLT WAS FELT WITH A CONTINUED SL
- [SDR 2011F00142](https://openairdocs.org/sdr/2011F00142.md): Mount · damaged · Jun 13, 2011 · N790DM · Cessna 310Q · Engine Mount Section
  > LEFT AND RIGHT ENGINE, BOTH FRONT MOUNT UPPER HALVES COMPRESSED EXCESSIVELY. THE LT FRONT MOUNT ON THE LT AND RT ENGINE WERE EXPOSING.2500" OF INNER BARREL. SUBSEQUENTLY, THE LT ENGINE NR 6 CYLINDER HEADER TUBE RUBBED THE ENGINE BEAM EXTENSION. IT HAS NOT BE
- [SDR MLJG20010613](https://openairdocs.org/sdr/MLJG20010613.md): Piston · broken · Jun 13, 2011 · N790DM · Cessna 310Q · Reciprocating Engine Power Section
  > WHEN REMOVING RT ENGINE NR 4 CYLINDER DUE TO A CRACK, NR 4 PISTON SKIRT FOUND BROKE OFF AT THE 4TH RING LAND. ENGINE THEN REMOVED FROM ACFT FOR TEAR-DOWN INSPECTION. I HAVE FOUND BROKEN PISTON SKIRTS ON THIS PARTICULAR ACFT ON 3 DIFFERENT ENGINES.
- [SDR CA100203013](https://openairdocs.org/sdr/CA100203013.md): Piston · broken · Jan 4, 2010 · Reciprocating Engine Power Section
  > (CAN) DURING SERVICING, OIL PRESSURE SCREEN CHECKED AND FOUND TO BE FULL OF METAL. ENGINE SHIPPED FOR INSPECTION. ENGINE DISASSEMBLED AND FOUND 4 PISTONS WITH HALF OF THE SKIRT BROKEN OFF AT OIL SCRAPER RING GROOVE AND PIECES CONTAMINATED OIL. WHEN CYLINDERS
- [SDR MLJ2008F00000](https://openairdocs.org/sdr/MLJ2008F00000.md): Piston · failed · Jan 14, 2008 · N790DM · Cessna 310Q · Reciprocating Engine Cylinder Section
  > THE LT ENGINE WAS EXHIBITING LOW OIL PRESSURE. THE OIL FILTER WAS PULLED, CUT OPEN, AND INSPECTED. A SIGNIFICANT AMOUNT OF METAL WAS FOUND. THE ENGINE WAS THEN TORN DOWN FOR FURTHER INSPECTION. CHUNKS OF PISTON SKIRTING WAS FOUND IN THE OIL PAN, NR 2 PISTO
- [SDR MLJ2006F00000](https://openairdocs.org/sdr/MLJ2006F00000.md): Clevis Pin · missing · Oct 17, 2006 · N790DM · Cessna 310Q · Landing Gear Doors
  > COTTER PIN CAME OUT OF CLEVIS PIN ITEM NR 5 OR CLEVIS PIN FAILED ATTACHING NOSE GEAR DOOR PUSH PULL TUBE TO THE EYE BOLT ON THE LT NOSE GEAR DOOR. ON TAKE OFF THE LT GEAR DOOR BLEW SHUT. WHEN GEAR WAS RETRACTED THE NOSE GEAR JAMMED HALF WAY UP, BREAKING BELL
- [SDR CA060602003](https://openairdocs.org/sdr/CA060602003.md): Throttle Cable · broken · Jun 2, 2006 · Cessna 310Q · Fuel Control/Reciprocating Engines
  > (CAN) DOING UPPER AIR WORK, IT WAS NOTICED THEIR WAS NO THROTTLE RESPONSE FROM RT ENGINE. THE ENGINE WAS RUNING NORMAL SO THE CREW RETURNED TO AIRPORT AND DID A NORMAL LANDING AND SHUTDOWN OF ENGINE ON TOUCHDOWN. MAINTENANCE FOUND THE THROTTLE CABLE BROKEN AT
- [SDR CA050804003](https://openairdocs.org/sdr/CA050804003.md): Line · clogged · Jul 7, 2005 · Reciprocating Engine Power Section
  > (CAN) EXCESSIVE AMOUNTS OF AN UNIDENTIFIED SEALANT WAS USED ON THE SPLIT-LINE CAUSING THE SEALANT TO SQUEEZE INTO THE ENGINE. A LOSS OF TORQUE WAS FOUND ON THE THRU-BOLTS AND CYLINDER BASE NUTS. THE OIL PICK-UP WAS CLOGGED WITH THE LOOSE SEALANT.
- [SDR CA050224005](https://openairdocs.org/sdr/CA050224005.md): Clamp · obstructed · Feb 15, 2005 · Cessna 310Q · Aileron Control System
  > (CAN) WHEN THE AILERON CONTROL WAS MOVED TO THE EXTREME LT, THE CONTROL WOULD OCCASIONALLY CATCH MOMENTARILY AND THEN RELEASE. UPON FURTHER EXAMINATION OF THE AILERON CONTROL SYSTEM, THE AUTOPILOT CLAMP ON THE LT AILERON CABLE WAS FOUND TO BE CATCHING ON THE D
- [SDR 2004FA0000387](https://openairdocs.org/sdr/2004FA0000387.md): Adapter · backed out · May 7, 2004 · N3310D · Cessna 310Q · Fuel Injector Nozzle
  > 2 FUEL INJECTION NOZZLE ADAPTERS BACKED OUT WITH FUEL NOZZLES.
- [SDR CA040311001](https://openairdocs.org/sdr/CA040311001.md): Switch · broken · Mar 10, 2004 · Cessna 310L · Landing Gear Position and Warning
  > (CAN) UPON APPROACH THE LANDING GEAR WAS SELECTED DOWN WITH NO GREEN LIGHT DOWN AND LOCKED INDICATION ON THE RT GEAR. THE GEAR WAS CYCLED, THE MANUAL EXTENSION WAS PERFORMED ALL WITH THE SAME RESULT. THE AIRCRAFT LANDED UNEVENTFULLY AND UPON INVESTIGATION TH
- [SDR CA031127011](https://openairdocs.org/sdr/CA031127011.md): Bulkhead · cracked · Nov 25, 2003 · Cessna 310L · Fuselage Main, Bulkhead
  > (CAN) DURING THE 100 HOUR INSPECTION PLAY WAS NOTICED IN THE NOSE GEAR AREA. UPON INSPECTION THE LT NOSE SECTION BULKHEAD WAS FOUND TO BE CRACKED VERTICALLY THROUGH THE CENTER OF THE LIGHTENING HOLE. DOUBLER PATCHES WERE INSTALLED AND RIVETED INTO PLACE AND
- [SDR CA030520005](https://openairdocs.org/sdr/CA030520005.md): Spring · broken · May 20, 2003 · Cessna 310L · Landing Gear Retraction/Extension System
  > (CAN) DURING WALK-AROUND PRIOR TO FLIGHT, PIC NOTICED DOWNLOCK SPRING HANGING FROM ONE ATTACH POINT AND UPON INSPECTION WAS FOUND BROKEN AT ATTACH POINT ABOUT 1/2 AN INCH ABOVE SPRING BODY. SPRING WAS REPLACED NEW.
- [SDR CA030506001](https://openairdocs.org/sdr/CA030506001.md): Actuator · cracked · Apr 28, 2003 · Cessna 310L · Landing Gear Door Actuator
  > (CAN) AT 160 KTS DID NOT GET DOWN LOCKED IND ON RT MAIN. GEAR WAS SEL UP, TOP OF TRAVEL, GRINDING NOISE WAS HEARD. GEAR SELECT WAS PLACED IN NEUTRAL, GEAR WAS HAND-CRANKED DOWN, A/C LANDED. RT MAIN GEAR DOOR WAS OPEN ABOUT 6 IN FROM NORMAL CLOSED GEAR DOWN PO
- [SDR CA030324003](https://openairdocs.org/sdr/CA030324003.md): Bellcrank · cracked · Mar 10, 2003 · Cessna 310Q · Landing Gear Steering System
  > (CAN) UPON INSPECTION, FOUND STEERING BELLCRANK CRACKED IN RADIUS, SEVERAL LOCATIONS. NOTE: THE NEW BELLCRANK INSTALLED IS A HEAVIER UNIT.
- [SDR CA030219004](https://openairdocs.org/sdr/CA030219004.md): Piston · cracked · Feb 19, 2003 · Cessna 310L · Main Landing Gear Strut/Axle/Truck
  > (CAN) DURING COMPLETE REMOVAL AND NDT OF ALL LANDING GEAR PARTS BOTH LT & RT MAIN GEAR PISTON AND AXLE ASSEMBLIES (P/N S 5041000-77 & 5041000-76 RESPECTIVELY) WERE FOUND CRACKED AT THE SMALLER OF THE TWO TORQUE LINK ATTACH LUGS.THE RT WAS REPLACED WITH A USED
- [SDR CA021118004](https://openairdocs.org/sdr/CA021118004.md): Spring · broken · Nov 13, 2002 · Cessna 310L · Landing Gear Position and Warning
  > (CAN) SUBSEQUENT TO THE RT MAIN GEAR FAILURE TO LOCK AND FINDING THE TORQUE TUBE CRACKED, THE DOWNLOCK SPRING WAS ALSO BROKEN. HAD THIS SPRING BEEN INTACT THE GEAR WOULD HAVE FREE-FALLEN DOWN AND LOCKED. THERE IS NO RIGGING OR ADJUSTMENT ON THESE SPRINGS. BO
- [SDR CA021118003](https://openairdocs.org/sdr/CA021118003.md): Torque Tube · cracked · Nov 13, 2002 · Cessna 310L · Landing Gear Retraction/Extension System
  > (CAN) ON T/O, A CLUNK HEARD NEAR END OF MLG TRAVEL DURING RETRACTION. NO DIFFERECE IN FLT CONTROL. PILOTS INFORMED RT MLG HANGING. MLG SELECTED DOWN STEEP BANKS & YAWS PERFORMED TO GET RT MLG LOCKED. NO DOWN & LOCKED IND EVIDENT, A/C LANDED UNEVENTFULL
- [SDR CA011105006](https://openairdocs.org/sdr/CA011105006.md): Link Rod · disconnected · Oct 1, 2001 · Cessna 310Q · Fuel Control/Turbine Engines
  > (CAN) ON APPROACH PILOT NOTICED ROUGHNESS FROM LEFT ENGINE AND UPON LANDING REPORTED THAT THE LEFT ENGINE WOULD NOT IDLE UNLESS MIXTURE PULLED BACK HALFWAY. INSPECTION REVEALED THAT THE COTTER PIN WHICH HOLD THE MIXTURE INTERCONNECT ROD TO THE THROTTLE VALVE H
- [SDR BJ3RE000007](https://openairdocs.org/sdr/BJ3RE000007.md): Exhaust Valve · worn · Feb 26, 2001 · N69604 · Cessna 310Q · Reciprocating Engine Cylinder Section
  > DURING AN IRAN INSPECTION, IT WAS NOTICED THAT THE AMOUNT OF VALVE SHOWING ABOVE THE KEEPER WAS LESS ON ONE CYINDER THAN ON THE OTHERS. UPON DISASSEMBLY IT WAS FOUND THAT #3 CYLINDER EXHAUST VALVE WAS 1/16TH INCH SHORTER THAN THE OTHER VALVES. A SLIGHT MUSHRO
- [SDR CA001207020](https://openairdocs.org/sdr/CA001207020.md): Tube · cracked · Nov 23, 2000 · Cessna 310L · Landing Gear Retraction/Extension System
  > (CAN) WHILE PERFORMING FLT TEST, GEAR SELECTED DOWN AND OVERSHOOT PERFORMED. GEAR SELECTED UP SUCCESSFULLY. A/C RE-JOINED CCT & ON APPROACH GEAR SELECTED DOWN WITH GREEN LIGHTS INDICATING GOOD MAINS BUT NOTHING ON NOSE. UPON LDG THROTTLES WERE PULLED BACK & ID
- [SDR 96ZZZX6107](https://openairdocs.org/sdr/96ZZZX6107.md): Connect Rod · failed · Nov 12, 1996 · N7700Q · Cessna 310Q · Reciprocating Engine Power Section
  > AFTER DEPARTURE, OIL PRESSURE ON RIGHT ENGINE DROPPED. ENGINE BEGAN TO SMOKE POSSIBLE BLEED OIL FIRE AND SMOKE WERE NOTED. ENGINE WAS SHUT DOWN AND FEATHERED. NORMAL LANDING WAS MADE. DAMAGE TO AIRCRAFT RESTRICTED TO ENGINE AND PROP. FIRST INSPECTION REVE
- [SDR 96ZZZX2376](https://openairdocs.org/sdr/96ZZZX2376.md): Distributor Gear · broken · Mar 11, 1996 · N7742Q · Cessna 310Q · Magneto/Distributor
  > ENGINE WOULD NOT RUN WHEN RIGHT MAGNETO SELECTED. INSPECTION REVEALED TEETH ON DISTRIBUTOR GEAR (PLASTIC) HAD SHEARED OFF. GEAR DID APPEAR TO BE YELLOWED FROM AGE AS IF IT HAD NOT BEEN REPLACED AT LAST OVERHAUL.
- [SDR 95ZZZX6566](https://openairdocs.org/sdr/95ZZZX6566.md): Filter · defective · Nov 22, 1995 · N55DP · Cessna 310P · Magneto/Distributor
  > FOUND MAGNETO FILTER DEFECTIVE WHEN SUBJECT TO MAGNETO P-LEAD VOLTAGE OR HIGH TENSION LEAD TESTER VOLTAGE. REGULAR OHM CHECK DID NOT PICK UP DEFECT. ENGINE WOULD RUN INTERMITTENTLY BAD ON THIS MAGNETO. THIS IS AN AFTER-MARKET PART INSTALLED IN LINE WITH P-L
- [SDR 95ZZZX3657](https://openairdocs.org/sdr/95ZZZX3657.md): Cylinder · exited · Jun 27, 1995 · N5819M · Cessna 310P · Reciprocating Engine Cylinder Section
  > THE AIRCRAFT MADE AN EMERGENCY LANDING WITH THE RIGHT ENGINE FEATHERED. THE COPILOT HAD NOTED NR 4 CYLINDER EXIT THROUGH THE SIDE COWLING IN A DOWNWARD DIRECTION. THE CONNECTING ROD WAS STILL ON THE CRANK, BENT SLIGHTLY AFT AND THE PISTON PIN BOSS WAS ELONGA

## 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 = 'IO470VO'
ORDER BY difficulty_date DESC
```

This list as a web page: https://openairdocs.org/engine/continental-io-470-vo/reports

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