What was found
WING PLANK HOLES HAVE PITTING CORROSION. REPAIRED WING PLANK ACCESS HOLE 640BB IAW REO 601R-57-21-030 REV L AND EC/TC EO600-57-81 REV K.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
WING PLANK HOLES HAVE PITTING CORROSION. REPAIRED WING PLANK ACCESS HOLE 640BB IAW REO 601R-57-21-030 REV L AND EC/TC EO600-57-81 REV K.