As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING THE PRESENT C4/A6 CHECK, INSPECTION ON THE DATUM ACFT REVEALED CORROSION ON THE BS 1241 CANTED PRESSURE WEB ANGLE COMMON TO WING CENTER SECTION. THE CORROSION WAS REPORTED AT APPROX RBL 80 AND PENETRATED THE A SECTION OF THE ANGLE WHICH WAS TRIMMED IAW FIG 1. OPEN HOLE AND SURFACE HFEC CONFIRMED NO DEFECT WAS FOUND BEYOND THE CORROSION. OPEN HOLE AND SURFACE HFEC CONFIRMED NO DEFECT WAS FOUND BEYOND THE CORROSION.