As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CORROSION ON UPPER & LOWER SURFACE OF FRONT SPAR LOWER CORD BETWEEN FSS 297 & FSS-306 AT SLAT NR 4. BLENDED INBOARD - OUTBOARD DIRECTION 10:1 DEPTH TO BLEND RATION. SHOT/FLAP PEEN BLENDED ARE PER SRM. FABRICATED SOLID FILLERS TO REPLACE REMOVED MATERIAL. FORM FAA 8100-9 RECEIVED.