What was found
WHILE PERFORMING BLENDING FOR EXTERIOR SKIN GOUGES FOR ADF ANTENNA ON MX TRANS 11509318, DISCOVERED 4 EACH LIGHTNING STRIKES AT ADF ANTENNA MOUNT HOLES. C-CHECK, UPON FURTHER INVESTIGATION, FOUND TO BE OLD TOOLING MARKS INSTEAD OF LIGHTNING STRIKES. ALSO FOUND 1 ADDITIONAL MARK, 5 TOTAL. BLENDED 5 EA AREAS ON EXTERIOR SKIN UNDER ADF ANTENNA AREA IAW REF SRM. ORIGINAL MATERIAL THICKNESS OF BLEND AREAS IS .058" IAW SRM. NDT LOWEST READING IN 5 EA BLEND AREAS IS .050". ONLY .008" MATERIAL LOSS. RECEIVED STS EA THAT LOWEST REMAINING THICKNESS .050" IS ACCEPTABLE. FOUND THE REWORKED AREAS WITHIN LIMIT.