--- In [email protected], "William R. Bayne" <ercog...@...> wrote: > Ercoupe Service Bulletin No. 38 is very specific that installation of > the "new" trim tab system requires replacement of the old elevator > with the new type. That said, I see no reason whatsoever that a > confident mechanic could propose to a cooperative FSDO (presuming > such to exist) a 337 to simply add the tab to the existing elevator.
Well, I consider myself a confident mechanic, and my baby brother is a FSDO, so I can get some smooth sailing on that choice. My thought process was along the lines of getting approval WITHOUT putting on the trim tab since there is nothing to prove that not doing so would effect flight performance.
