As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
WHILE IN HEAVY CHECK MAINT FOUND CORROSION STRUCTURAL CENTER FUSELAGE III DRY AREA RT FRAME 84 REINFORT STRUCTURE. REMOVED AND REPLACED CENTER FUSELAGE III DRY AREA RT FRAME 84 REINFORT STRUCTURE SRM 51-40-08. ACFT REMAINS IN HEAVY CHECK UNTIL COMPLETION.