As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING HEAVY MAINTENANCE: CORROSION ON LONG BEAM LOCATED BTW FR 86-89 AND Y=-270 IN CABIN FLOOR STRUCTURE; REMOVED & REPLACED LONG BEAM LOCATED BTW FR 86-89 AND Y=-270 IN CABIN FLOOR STRUCTURE IAW EMB-190 SRM 51-41-01 & SRM 51-41-03. ALL WORK WAS PERFORMED ON TECHOPS MX NR1241890-00081.