What was found
DURING HEAVY MAINTENANCE: INITIAL INSPECTION [CPCP FINDING]: CORROSION ON FLOOR STRUCTURE LONGITUDINAL BEAM, LOCATED BTW FR12 TO FR19 AND Y= 280 RH (W1); EF TOMX WO 2265 NR # 00141 BTW FR13 TO FR14 AND Y= 280 RH (W1) OUT LIMITS PER EMB190 SRM 53-10-10/AD51 THEREFORE WAS REPAIRED PER EMB 190 ETI-190--23-569 REV2, ETD2023-190-014750 REV.:/, ECE23-509-01.