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 FOUND ON FWD FUSE FLOOR STRUCTURE SHEAR WEB BTWN FR 12-14 OTBD RH SIDE. MX REPLACED SHEAR WEB PN 170-05663-003 IAW SRM 51-41-02, 5143-04.SEE AAR NRC# 1000-0174 FOR DETAILS OF WORK PERFORMED. AC REMAINS IN YQG FOR COMPLETION.