What was found
DURING TAXI ON FLIGHT #2734, RH FIRE DETECT LIGHT ILLUMINATED ON TAXI. DECLARED EMERGENCY. ON TAXI INTO DTW RH FIRE T-HANDLE ILLUMINATED AND MASTER WARNING SOUNDED. MEMORY ITEMS PERFORMED. T-HANDLE REMAINED ON AFTER FIREING BOTH BOTTLES. AFTER SHUTTING DOWN ENGINE AND HAVING CFR CHECKOUT RIGHT ENGINE, A/C WAS TOWED TO THE GATE AND LIGHT (T-HANDLE) ILLUMINATED INTERMITTANTLY. MAINTENANCE REPLACED WEU. PN ON/OFF 006WS00. SN ON 1390. RAN A/C THROUGH SEVERAL CONFIGURATIONS. ALL CHECKS GOOD AT THIS TIME. ALL IAW SAAB AMM