What was found
CORROSION ON FUSELAGE INTERNAL STRUCTURE BETWEEN FRAME 38.2 AND FRAME 39; BELOW THE OTBD HOT AIR VALVE. (STR 44R TO STR 44R) REMOVED CORRODED STRINGER IAW SRM 51-40-21, PARA 6 & 7. FABBED STRINGER AND COUPLING IAW SRM 53-10-14, FIG 201, PGS 203 / 204. ALODINED IAW SRM 51-21-10, PG 1. PRIMED AND PAINTED IAW SRM 51-23-10, PG 1. INSTALLED STRINGER AND COUPLING IAW SRM 53-10-14, FIG 201, PGS 203 /204.