What was found
FOUND SKIN CORROSION COMMON TO THE TRIMMED OUT SECTION OF THE FAIL SAFE. CORROSION IS ISOLATED TO THE LOWER HOLE. COMPLIED WITH TASK CARD EA 53500014-004 AND DOCUMENT 470080RD10 CORROSION WAS REMOVED, WITHIN THE ALLOWABLE LIMITS. CORRODED, LEVEL 2, PN 145T3420, SKIN, FS/BS LOCATION: STA 955, STR/WS LOCATION: STR 22R. ACFT WAS GROUNDED.