What was found
CRACK FOUND ON OTBD LOWER DOUBLER ON 511AL L/E RIB. REMOVED CRACKED OB LOWER DOUBLER FROM 511AL L/E RIB. REF SRM 51-42-05, 51-40-15. INSTALLED NEW DOUBLER, REF SRM 57-40-00, REPAIR-07, SECTION 7, "PROCEDURE" PG 202, STEPS 3 THROUGH 10, PG 203+204 RESPECTIVELY.