What was found
FOUND DURING C-1 LETTER CHECK, NR 3 SLAT I/B TRACK O/B STIFFENER ANGLE ON WING FRONT SPAR WAS CRACKED. REPLACED STIFFENER PER M/M 57-20-21 PG 813.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
FOUND DURING C-1 LETTER CHECK, NR 3 SLAT I/B TRACK O/B STIFFENER ANGLE ON WING FRONT SPAR WAS CRACKED. REPLACED STIFFENER PER M/M 57-20-21 PG 813.