ops advised by email. 1787.4 543 08 Mar 2011 C 0.00 CB Airframe 980940 CB 94 Engine (ATA 72), General • Change of Life Counting Method for Touch.and.Go and Overshoot (Rolls. Royce Men SB•BR700-72-A900504) Aircraft serial numbers 5001 through 5270. This customer bulletin is a onetime action to