What was found
DURING INSPECTION, FOUND AFT CABIN UTILITY AREA FLOORBEAM AT FR 66, Y-1292 UPPER & LANGE HAS CORROSION. REMOVED CORROSION IAW SRM 51-74-00 L=2.3" W=1.9" D=.045" FOUND OUT OF LIMITS IAW TRM 53-41-15, FIG 1. REPLACED FLOORBEAM PN D5347219020500 IAW SRM 51-42-11 & TRM 53-21-01.