What was found
DURING HEAVY MAINTENANCE: INITIAL INSPECTION [CPCP FINDING]: CORROSION IN LONGITUDINAL FLOOR BEAM LOCATED AT Y = - 300.0 MM IN FR 17 AND FR 19, FWD FUSELAGE PASSENGER CABIN FLOOR STRUCTURE; REF TOMX WO# 2488 NR# 00043 CORROSION ON LONGITUDINAL FLOOR BEAM LOCATED AT Y = - 300.0 MM IN FR 17 AND FR 19, FWD FUSELAGE PASSENGER CABIN FLOOR STRUCTURE WAS REMOVED PER EMB-190 SRM 51-12-01, SRM 51-10-03, WAS MEASURED AND EVALUATED OUT LIMITS PER EMB190 SRM 53-10-10/AD51, THEREFORE WAS REPAIRED PER EMB-190 SRM 53-10-10 REPAIR 5110000210