What was found
DURING HEAVY MAINTENANCE, CORROSION WAS DISCOVERED ON AFT CABIN FLOORBEAM -Y1292 HAS CORROSION AT FRAME 66 + 2" FORWARD OF BEAM REF NR 440458-30599, REMOVED AND REPLACED FLOORBEAM -Y1292 FRAME 66 IAW SRM 51-72-11 PARA 2D REF SCR 884892-00018.