What was found
ENGINE FAIL LIGHT ON T/O ROLL. REJECT ACCOMPLISHED DUE TO ENGINE MONITORING DATA SHOWING LOW PB PRESSURE NR 2 ENGINE, PERFORMED ENGINE CHECK 3, PB SENSE LINES. FOUND NR 2 ENGINE PB FLEX, PN 51U78 HAS SEVERE AIR LEAK. REPLACED LINE, PERFORMED ACCEL/DECEL TEST IAW MM 71-02-04 FOR ALL 3 ENGINES. ALL PARAMETERS NOW NORMAL. ALL PB PRESSURE NORMAL AT APPROXIMATELY 269 PSI.