What was found
DURING CLIMB OUT PASSING THROUGH 13,000 FEET MSL, THE NR 2 RT ENG FIRE PULL LIGHT ILLUMINATED IN THE T HANDLE ACCOMPANIED BY FLASHING MSTR WARNING LIGHTS. THE RT THROTTLE WAS REDUCED TO IDLE WITHIN 5 SECONDS & THE ENG FIRE PULL & MSTR WARN LIGHTS EXTINGUISHED. DID NOT DECLARE AN EMER. ATC DECLARED AN EMER & EMER SERVICES WERE DISPATCHED. LANDED UNEVENTFULLY WITH THE RT ENG AT IDLE & TAXIED TO THE LINE. PERFORMED A DEEC COMPUTER DOWNLOAD, VISUALLY & OPERATIONALLY INSPECTED THE FIRE DETECTION SYS. INSPECTED THE ENG BLEED AIR SYS & PERFORMED A HIGH POWER ENG RUN WITH NO DEFECTS NOTED. THE DISCREPANCY WAS SIGNED OFF & THE ACFT WAS RETURNED TO SERVICE.