As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CORROSION DAMAGE FOUND IN SUBJECT SPAR AFT FLANGE AT WBL 770. INTERIM REPAIR TO OUTBOARD TRAILING EDGE MIDFLAP, NR 3 SPAR LOWER CHORD ACCOMPLISHED AS PER BOEING MESSAGE 1-177581561 AND FAA FORM 8100-9. DETAIL VISUAL INSPECTION THE EXPOSED AFFECTED AREA, FOR DEGRADATION, INCLUDING CORROSION, CRACKS AND LOOSE FASTENERS EVERY C-CHECK NOT TO EXCEED 24 MONTHS.