What was found
FOUND ON B-1 LETTER CHECK, 1 INCH CRACK VERT SPAR STIFFENER AT NR 7 O/B SLAT TRACK O/B ANGLE. 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 ON B-1 LETTER CHECK, 1 INCH CRACK VERT SPAR STIFFENER AT NR 7 O/B SLAT TRACK O/B ANGLE. REPLACED STIFFENER PER M/M 57-20-21 PG 813.