As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
WHILE AC WAS IN FOR HVY CH FOUND CORROSION FOUND ON CENTER FUSELAGE 3 FLOOR SUPPORT SHEAR PANEL AT FR 88 AND LBL9. REPLACED SHEAR PANEL PN 170-65927-007 IAW SRM 51-42-01. SEE AAR NRC#4500901-1000-0030. AC REMAINS IN YQG FOR COMPLETION.