What was found
AFTER NORMAL 3 ENG START, BEGAN TAXI, GOT LVL 0 ALERTS. RAMP 1-3, RAMP 2-3, AIR 1-3 ISOL & ANTI-ICE ENG 2 DISAGREE. EXTERNAL RADIO CALLS FOR SMOKE & FLAME ON ENG 2. ALL ENG INDICATIONS NORMAL. PULLED 2 FIRE HANDLE & BLEW AGENT, STILL REPORTS OF FLAME. MOTORED 4 - 5 MIN STILL REPORT OF FLAME BLEW SECOND AGENT BOTTLE. FLAMES OUT ALL TEMPS LOW. REPLACED BOTH NR 2 FIRE BOTTLES IAW AMM 26-21-01-4. SEE WRI 26-20 3327 FOR PAR. RAN NR 2 ENG IAW JRH & TESTED NR 2 ANTI-ICE VLV IAW AMM 30-22-00-5-1. SYS TESTED NORMALLY. NR 2 ENG STARTED NORMALLY IAW JRH WITH NO ROLLBACK.