What was found
DURING HEAVY MAINTENANCE: CORROSION IN FLOOR BEAM LOCATED BTW FR15 AND FR19 PLUS Y= -270.0 ON PASSENGER FLOOR STRUCTURE W1; (RESOLVED ON W/O: 1216530 TASKCARD: NR-00002 ) ALL WORK ACCOMPLISHED ON TOMEX NRC 00149, FLOOR BEAM LOCATED BTW FR15 AND FR19 PLUS Y= -270.0 ON PASSENGER FLOOR STRUCTURE W1, IT IS CLASSIFIED AS NON-REPAIRABLE THEREFORE WAS REPLACED PER EMB-190 SRM 51-10-03, SRM 51-12-01, SRM 51-10-02, SRM 51-41-01, SRM 51-41-02, SRM 51-43-03 AND SRM 51-43-04.