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 FLOOR SUPPORT UPPER SURFACE BTW FR 15-16 AND Y=-1110 TO Y=-1170 (LH SIDE); REF. TOMX WO: N354JB/2047 NR-00260-: CORROSION ON FLOOR SUPPORT BTW FR 15-16 AND Y=-1110 TO Y=-1170 (LH SIDE) WAS REMOVED AND EVALUATED OUT OF LIMITS DUE TO EXCESSIVE CORROSION, PER EMB 190 SRM 51-12-00. THEREFORE WAS REPLACED PER EMB190 SRM 51-43-03.