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 CENTER FUSELAGE 3 FLOOR SUPPORT SHEAR PANEL PN 170-65927-007 AT FR 88 AND LBL 9 IAW SRM 51-42-01 AND ETD 2019-170-123840. AC REMAINS IN YQG FOR COMPLETION. SEE NRC 4500442-1000-0041 FOR WORK PERFORMED.