As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLOAT EQUIPPED, LIFTING EYES WERE INSTALLED IN THE WRONG POSITION. RESULTING IN DRILLING THROUGH THE MAIN FORWARD WING SPAR AND LEAVING APPROXIMATELY EDGE DISTANCE. BETWEEN THE FORWARD SPAR ATTACH BOLT AND EDGE OF SPAR. (EYES SHOULD BE INSIDE CABIN TOP RIVET LINE) (K)