What was found
VERTICAL STABILIZER REAR SPAR FWD FACE RIB 9, HORIZ ANGLE HAS CORROSION ABOUT 3 SQ INCHES. REMOVED HORIZONTAL ANGLE AT FWD FACE OF RIB 9 IAW SRM 51-40-21, PG 22 PARA 7. REMOVED CORROSION IAW SRM 51-74-10, PG 205, PARA 3. NOMINAL THICKNESS IS 0.063, REMAINING THICKNESS IS 0.059, MATERIAL LOSS IS 0.004. IS WITHIN LIMITS IAW SRM 55-30-00, FIG 101. REPROTECTED AREA AND REINSTALLED ANGLE IAW SRM 51-40-21, PG 22.