What was found
DURING HEAVY MAINTENANCE, CORROSION WAS DISCOVERED ON AFT CABIN Y765 FLOORBEAM FRAME 68 STR 23R; REMOVED AND REPLACED AFT CABIN FLOORBEAM Y765 FR68 STR 23R IAW SRM 53-00-14-283-002, 53-41-14 FIG001. ALL WORK ACCOMPLISHED UNDER NR 440484/26660/902984