What was found
AFTER RIGHT ENGINE START, GOT STATUS MESSAGE SHOWING RT ENG SEC CONTROL. MECHANIC DIRECTED TOGGLING FROM NEUTRAL TO SEC TO AUTO ON CHANNEL SELECTOR. ON DOING THIS THE ENGINE QUIT. THE MECHANIC REPORTED THE ENGINE WAS ON FIRE. SELECTED CUTOFF ON FUEL CONTROL ACTIVATED AND DISCHA RGED THE RIGHT FIRE BOTTLE INSPECTED THE ENGINE PER M/M 70-11-11(204) CHECKS OK. PERFORMED MAIN TENANCE CHECK PER FIM 73-21-00 FIG 115 PAGE 150-153 RAN ENGINE AT I DLE AND PWR. ALL SYSTEMS OPS CHECK OK DEFFERED RT ENGINE SEC CONTROL PERCAUTIONARY PER MEL 73-21-1-2 COLLERED BREAKER AND PLACARDED SYS.