What was found
AFT PIT STA 1320 BETWEEN STRINGER 36L TO STRINGER 37L SKIN HAS CORROSION. REMOVED CORROSION IN ACCORDANCE WITH B767MM51-00-53. ORIGINAL MATERIAL THICKNESS .056 MATERIAL REMOVED .019 MATERIAL REMAINING .037. FOUND TO BE BEYOND LIMITS IN ACCORDANCE WITH B767 SRM 53-00-01. FABRICATED AND INSTALLED REPAIR DOUBLER IN ACCORDANCE WITH B767 SRM 53-00-01. REFERENCE SERVICE ORDER 599125 OPERATION 25254.