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 CK FOUND CORROSION ON CENTER FUSELAGE 3 FLOOR SUPPORT SHEAR PANEL AT FR 88 AND LBL 9. MX REMOVED AND REPLACED PN 170-91919-001CENTER FUSELAGE 3 FLOOR SUPPORT SHEAR PANEL AT FR 88 AND LBL 9 IAW SRM 51-42-01. AC REMAINS IN YQG FOR COMPLETION. SEE NRC # 4500442-1000-0043 FOR WORK PERFORMED.