As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
WHILE A/C WAS IN FOR HEAVY CHECK FOUND LEVEL 2 CORROSION ON RT CTR FLOOR SUPPORT FROM FR 14 TO FR 18 CROSS BEAMS. MX REPLACED RT CTR FLOOR SUPPORT P/N 170-03263-001 FROM FR14 TO FR 18 IAW EMB 170 SRM. A/C REMAINS IN CMH FOR COMPLETION OF HEAVY CHECK.