What was found
DURING OP 16 MAINT CHECK, FOUND CABIN FLOOR AT STA 160 TO 200, LBL 0 TO LBL44, FLOOR PANEL MEMBRANE WITH DEEP WORN AREAS FROM CHAFING FLOOR PANEL WORN ALMOST THROUGH IN 22 PLACES. REMOVED AND REPLACED MEMBRANES FROM STA 160 TO 200, BLB 0 TO LBL 44, PER STD PROCESSES MANUAL 6-70-01.