What was found
LOWER FWD WTBF AT LWR FUSELAGE 6 INCHES AFT OF DRAIN FRAMES 34 - 35, S36R - 36L HAD SIGNS OF CORROSION. REMOVED CORROSION ON LOWER SKIN, FOUND OUT OF LIMITS IAW ASRP J51-21-06, J53-31-01. PERFORMED SKIN REPAIR IAW ERA 627451-14. ASSOCIATED ER/A 14-627451 ADDED.