What was found
CORROSION ON RT FUEL TANK ACCESS PLATE NR 1460C AT COUNTERSINK AREA, MRB 57-083-02, REF 20000005843, CORROSION ON COUNTERSINK WAS REMOVED AND MAXIMUM DIAMETER ALLOWABLE IS 0.532" AND WERE FOUND 4 COUNTERSINK ADJACENT OUT OF LIMITS MEASURED 0.545", 0.570", 0.548" AND 0.562" ON ACCESS PLATE 1460C, THEREFORE ACCESS PLATE WAS REPLACED IAW SRM 51-22-2, A CON II MEASURING STICK WAS REMOVED AND INSTALLED ON NEW ACCESS PLATE IAW AMM 28-40-02-201. SUPPORT WAS REMOVED IAW SRM 51-30-5 NEW ACCESS PLATE WAS DRILLED IAW SRM 51-10-4, NEW DRILL HOLES WERE TREATED AND PAINTED IAW SRM 51-10-3 AND SUPPORT WAS INSTALLED IAW SRM 51-30-5.