What was found
DURING HEAVY CHECK MAINTENANCE, CORROSION WAS FOUND ON UPPER RT WING TOP SKIN BETWEEN RIB 8 AND RIB 9, STRINGER 11; PERFORMED LIFE LIMITATION REPAIR ON RH WING, TOP SKIN PANEL NR 1, BETWEEN RIB 8 AND RIB 9 AT STR 11 UPPER SURFACE IAW EC A16-842-01 AND SRM 57-0414-16 PAGES 1 THROUGH 5.