What was found
DURING D-CHECK, FOUND CORROSION BETWEEN S4 AND 6R ON AFT FACE AND O/B FLANGE O/B SURFACE OF FRAME INCLUDING STRINGER CLIP. REPAIRED PER BOEING STRUCTURAL REPAIR MANUAL.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
DURING D-CHECK, FOUND CORROSION BETWEEN S4 AND 6R ON AFT FACE AND O/B FLANGE O/B SURFACE OF FRAME INCLUDING STRINGER CLIP. REPAIRED PER BOEING STRUCTURAL REPAIR MANUAL.