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 LT CENTER FLOOR SUPPORT AT FR 18 CROSS BEAM. MX REMOVED DAMAGE INSTALLED FILLER AND DOUBLER IAW EMB ETD 2010-170/07857 DATED 9-2-10 BEAM P/N 170-03264-001. A/C REMAINS IN CMH FOR HEAVY CHECK COMPLETION.