For airplane beyond the applicable flight cycle in Attachment 18, an operator shall establish and implement the Repair Assessment Programme approved by CAA.On or after December 16, 2008, no operator may operate a turbine-powered transportation category airplane with a type certificate issued after January 1, 1958, and either a maximum type certificated passenger seating capacity of 30 or more, or a maximum type certificated payload capacity of 7,500 pounds or more, unless instructions for maintenance and inspection of the fuel tank system are incorporated in its maintenance programme. These instructions must address the actual configuration of the fuel tank systems of each affected airplane and must be approved by the Regulatory Authority of manufacturer and CAA.ATTACHMENT 18 Requirements for Flight-cycle-dependent Repair Assessment Program.pdf