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 CORROSION FOUND ON CENTER FUSELAGE 3 FLOOR STRUCTURE RH PANEL SUPPORT AT FR 89. MX REPLACED PANEL SUPPORT PN 170-86151-005 IAW SRM 51-43-04. SEE AAR NRC# 4500961-1000-0054 FOR WORK PERFORMED. AC REMAINS IN YQG FOR COMPLETION.