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 LONGITUDINAL BEAM BTW FR12 AND FR17 Y270RH AT W1; REF: TOMX W/O 2527 NR 00183 REMOVED CORROSIN FOUND TO BE WITHIN LINITS PER EMB190 SRM 51-12-01 & 51-10-03. REPAIRED BTW FR16/ FR17 PER EMB190 SRM 53-10-10.