As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING OP 16 MAINT CHECK, FOUND RT WING T/E REAR SPAR CENTER FLAP ATTACH CASTING HOLES LINER O/B HOLE AT 6 O'CLOCK POSITION WITH CRACK INDICATION. FIFTEEN PERCENT THICKNESS GROUND OUT AND CRACK WAS GONE. REPAIRED REAR SPAR AREA PER DOUGLAS SERVICE REWORK DRAWING J060272.