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, CENTER FUSE 3 LH UPPER SHEET FOUND CORRODED FR 85-86. MX REPLACED UPPER SHEET PN 170-86101-001 IAW SRM 51-41-01, 51-43-03. SEE AAR NRC# 4501048-1000-0143 FOR DETAILS OF WORK PERFORMED. AC REMAINS IN YQG FOR COMPLETION