Some of the discrepancies and unairworthy items found on “Oscar’s” 1965 Cessna 320 Skyknight shortly after it was approved for return to service following an annual inspection at High Maintenance Aviation. (Photos by “George Goodguy,” A&P/IA of “Goodguy Aircraft Maintenance.”) Caution: This is a very large file — more than 2 MB — and could take a while to download.