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 CENTER FUSELAGE 3 PAX FLOOR STRUCTURE CORROSION FOUND ON FORMED SECTION FR 88 RBL36. REPLACED PANEL SUPPORT PN 170-86181-005 IAW SRM 51-42-01, 5143-03. SEE AAR NRC# 4500867-2000-0075 FOR DETAILS OF WORK PERFORMED. AC REMAINS IN YQG FOR COMPLETION.