As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
WHILE A/C WAS IN FOR HEAVY CHECK FOUND CORROSION FOUND ON CENTER FUSELAGE 3 STRUCTURE LONGITUDINAL BEAM AT FR 87 RT SIDE. REPLACED BEAM AT FR 87, IAW EMB SRM 51-41-01, 51-43-03. SEE AAR NRC NR 4500797-2000-0095 FOR WORK PERFORMED. A/C REMAINS IN YQG FOR COMPLETION.