As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
WHILE ACFT IN HEAVY CHECK MAINT FOUND CORROSION STRUCTURAL CENTER FUSELAGE III WET AREA 53-23 RH SPLICE FRAME 87-88. REMOVED RH SPLICE @ FR87-88 REF EMB SRM 51-40-08 DRILLED AND TREATED NEW RH SPLICE PLATE,INSTALLED NEW RH SPLICE @ FR87-FR88 REF EMB SRM 51-40-08 APPLIED SURFACE PROTECTION REF SRM 51-23-05. ACFT REMAINS IN HEAVY CHECK UNTIL COMPLETION.