What was found
UPPER SKIN SURFACE OF CTR TANK HAS CORROSION JUST UNDER STA 980 INTRECOSTAL. REMOVED CORROSION ON UPPER SURFACE OF CTR WING TANK STA 980, RBL 59, IAW SRM 51-10-02. ORIG MAT .180", MAT LOSS- .034", L= .100", W= .050", MAT REMAIN .146". FOUND OUT OF LIMITS IAW SRM 57-10-01, PG 103, FIG 101, DET II. STEP 1-8, IN COMPLIANCE W/EA F-5710- 131157. TREATED & PRIMED IAW SRM 51-20-01. APPLIED MOISTURE (VAPOR) BARRIER IAW AMM 28-11-00-8. REF FAA FORM 8100-9, DATED, MAR 25, 2010. MAJOR REPAIR.