What was found
DURING BATTERY START ON NR 2 ENGINE MOTORED TO 22 PERCENT, INTRODUCED FUEL GOT LIGHT OFF, FOLLOWED BY A DECREASE IN ROTATION AND A FIRE SIGNAL FROM THE RAMP AGENT. RIGHT HANDLE PULLED AND FIRE BOTTLE FIRED. RAN, NO FIRE. MAINTENANCE REMOVED AND REPLACED RIGHT ENGINE FIRE BOTTLE AND FWD CARTRIDGE BOTTLE S/N OFF 2470EL, S/N ON 24722EL. REPLACED STARTER GEN S/N OFF 3310, S/N ON 7570. PERFORMED GENERAL ENGINE INSPECTION. NO DEFECTS NOTED. PERFORMED GROUND RUNS, ALL CHECKS GOOD.