What was found
DURING HEAVY MAINTENANCE: INITIAL INSPECTION: "CPCP FINDING" CORROSION ON RH BEAM BTW FR12/17 AND Y:300 RH AT CABIN FLOOR STRUCTURE (W1); REF TOMX WO2268 NRC 00151 CORROSION ON RH BEAM BTW FR12/17 AND Y:300 RH AT CABIN FLOOR STRUCTURE (W1) WAS REMOVED AND EVALUATED OUT OF LIMITS PER EMB 190 SRM 51-12-01, SRM 51-10-03, AND SRM 51-75-16. THEREFORE WAS REPLACED PER EMB-190 SRM 51-41-02, SRM 51-43-03, SRM 51-43-04, AND SRM 51-41-01. (CONSIDERED AS A MAJOR REPAIR)