Originally Posted by
wxguy
Age is less relevant that number of cycles of the frame and engine, and when heavy (D) checks are required. Plus the missions of the aircraft are different.
I get it that the all important D check is what usually drives these decisions, but given that the 767s that are older are used in virtually the same way that the 777 are, it just seemed odd. But since it’s not a permanent retirement, never mind.
