As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LH FS280.00 FLOOR BEAM TO BE CORRODED BEYOND LIMITS, REQUIRING REPLACEMENT DEEPEST DEPTH OF CORROSION IS .048 MAX ALLOWED IS .006. LOCATED, DRILLED AND INSTALLED NEW SERVICEABLE L/H FS 280.00 BEAM P/N: CC670-34094-15 IAW CRJ900 SRM 51-40-11-001-001-A01.