What was found
DURING TAKEOFF ROLL GOT R HYD QTY EICAS. RT HYD QTY INDICATED .4 0. REJECTED T/O CHECKED AND APPROVED FOR DEFERRAL I.A.W. B763MEL 2933E. M PROCEDURE CARRIED OUT AND PLACARD INSTALLED. TOMC APPROVED REF MEL 2933E DEFERRAL 2933E APPROVED. PLACARD INSTALLED *DM* RECOMMEND FIM 29-11 FAULT TREE 817 FOR INITIAL T/S REF AIPC 29-33-01-01 ITEM 8 ADDING RSVR PRESS MONITOR M&E 76-2932-9-0002 AND TRANSMITTER M&E 99-2936-9-9002 IN CASE NEEDED. FOLLOWING FIM 29-11 F/T 817, REMOVED AND REPLACED HYDRAULIC FLUID QTY MONITOR UNIT IAW AMM 29-33-01-404-005. HYD QTY ON EICAS READS NORMAL AND MATCHES HYD QTY ON RESERVOIR. MEL CLOSED AND PLACARD REMOVED.