What was found
DURING HEAVY MAINTENANCE: INITIAL INSPECTION [CPCP FINDING]: CORROSION ON STRINGER BTW FR76/78 AND STRG 29 RH ON AFT CARGO COMPARTMENT STRUCTURE; REMOVE CORROSION, EVALUATE AND IF IT IS NECESSARY REPLACE PER EMB-190 SRM 51-12-01 SRM 51-10-03, SRM 53-23-03 AD 51, SRM 51-41-02 , SRM 51-43-03 AND SRM 51-43-04.REF: TOMX W/O 2482 N/R -00258 REMOVE CORROSION, EVALUATE AND IF IT IS NECESSARY REPLACE". (CONSIDERED A MAJOR REPAIR)