What was found
WHILE ACFT IN HEAVY CHECK MAINT FOUND CORROSION STRUCTURAL CENTER FUSELAGE III WET AREA RH CENTER GUSSET PLATE FRAME 90.REMOVED CENTER FUSELAGE III WET AREA RH CENTER GUSSET PLATE FRAME 90 REF: EMB SRM 51-40-08. INSTALLED NEW CENTER FUSELAGE III WET AREA RH CENTER GUSSET PLATE FRAME 90 REF: EMB SRM 51-21-01, SRM 51-40-08.APPLIED SURFACE PROTECTION TO CENTER FUSELAGE III WET AREA RH CENTER GUSSET PLATE FRAME 90. REF: EMB SRM 51-23-05, SRM 51-23-06. ACFT REMAINS IN HEAVY CHECK UNTIL COMPLETION.