What was found
TAIL PIPE HOT LIGHT ILLUMINATED IN FLIGHT, CHECK LIST FOLLOWED, LIGHT DID NOT EXTINGUISH, ALL EMERGENCY AND ABNORMAL CHECK LIST WERE FOLLOWED ENGINE SHUTDOWN. REMOVED AND REPLACED WARNING ELECTRONIC UNIT (WEU) IAW 31-50-00 PN ON/OFF 005WS00, SN ON 1251 SN OFF 1376.