The International Cessna 170 Association

Thanks for the thoughtful replies. We were just trying to make sense of findings of NTSB for N28RP. Earlier post seemed cautious about someone getting in trouble. While the valve may have been misassembled, agree that it was probably no better or worse than before repair.

Repair was done by owner/licensed mechanic - discovery of error by NTSB. Just trying to understand if misassembly would influence operation.

I have read this thread and would appreciate any thoughts. What could be the potential effect, in flight, of a misassembled fuel selector valve? What would happen if two washers were installed on the cam shaft below the o-ring that seals up against the valve cover when the valve is assembled? What h...