What was found
CO-PILOT SEAT RAILS LOCKING HOLES ELONGATED. MEASURE ELONGATED COPILOT SEAT RAILS. HOLES INBD AND OTBD. DETERMINED HOLES TO BE OUT OF LIMITS IAW SRM 53-11-49, TRACKS REQUIRE REPLACEMENT. REMOVED SEAT TRACKS ON COPILOT SEAT. LOCATED AND PULLED NEW SEAT TRACKS IAW SRM 51-40-11. THIS IS A MAJOR REPAIR. CONTINUE FAB OF NEW PILOTS SEAT TRACK. LOCATED, CUT TO FIT, TREATED AND PRIMED, INSTALLED NEW CO PILOTS SEAT TRACK IAW SRM 51-40-11 AND MM 53-01-05. RII FOUND TO BE SATISFACTORY.