In article vb13c.86722$PR3.1221485@attbi_s03, Newps
wrote:

Serial numbers on the AI do not match the log books, someone swapped
out his
AI.

Please. In old planes like we all fly you will never find all the
serial numbers in the logbooks for all the stuff in your plane.

heck, on my pa-28-140, the prop serial number didn't match
the logs.

--
Bob Noel