What was found
ON TAKE OFF ROLL, RECEIVED LT & RT ENG BLEED EICAS MSG & MASTER CAUTION LIGHT. RTO, PERFORMED BITE TEST IAW FIM 36-20 FT 804. FOUND 0 MSG ON THIS FLT LEG. EICAS MSG CLEARED. ALSO, PERFORMED WEU TEST IAW AMM 31-51-00, OPS CHK GOOD. FOUND MSG TO BE NORMAL.