What was found
DURING INSPECTION, FOUND SEVERE CORROSION ON INTERNAL SURFACE SKIN LOCATED BETWEEN FR 33 TO FR 34 AND STRINGERS 39R TO 41L IN FWD CARGO COMPARTMENT. PERFORMED PERMANENT REPAIR ON INTERNAL SURFACE SKIN IAW ER/A 512771-14, REV ORIGINAL AND PRI 512771-14, REV O;