1. Drained oil and added 8 quarts of Exxon Elite 20W50. Replaced oil filter with Champion oil filter P/N CH48110-1.
2. Opened oil filter, no metal particles found.
3. Cleaned and re-gapped all Spark Plugs
4. Ran engine and checked for leaks and its performance.
All maintenance performed on this Engine was conducted in accordance with Lycoming Operator's Manual Model O-320 Series, and the current regulations of the Federal Aviation Administration and is approved for return to service with respect to the work performed.