What was found
WHILE IN 'C' CHECK, MAINTENANCE FOUND VERTICAL STIFFENER AT BS 1215 RBL 21 WL 173-169 TO BE CORRODED. INSTALLED REPAIR IAW 51-30-2.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
WHILE IN 'C' CHECK, MAINTENANCE FOUND VERTICAL STIFFENER AT BS 1215 RBL 21 WL 173-169 TO BE CORRODED. INSTALLED REPAIR IAW 51-30-2.