What was found
DURING HEAVY MAINTENANCE: CORROSION ON FLOOR BEAM, FILLER, LOCATED ON FR17, STGR 17R, HAS CORROSION THAT IS BEYOND LIMITS. NOTE: THERE IS NO SPECIFIC SRM LIMIT FOR THIS SPECIFIC PART, THEREFORE IT WAS DETERMINED TO REPLACE IT; REMOVED AND REPLACED FLOOR-BEAM FILLER, LOCATED AT FR 17, STGR 17R, IAW EA 53-0217. REF. AEROMAN NR # 2018-245821. P/N: 170-21769-403. (CONSIDERED A MAJOR REPAIR)