Prepared and fabricated mounting strip for cowl upper quick release fasteners as per MilSpec Instruction manual supplied with the components. Match drilled and fitted to fuselage structure. Prep'd cowl strip for powdercoating. Secured oil door latch to upper cowl and used two part epoxy to fill previously drilled holes by prior owner of cowl assembly. This log entry is also for build dates of 1/30 and 1/31/2013.