What was found
CLE - FLT 3129 - THE CREW REPORTED THE LEFT FIRE T-HANDLE ILLUMINATED DURING TAXI TO THE RUNWAY, THE LIGHE EXTINGUISHED AFTER PULLING T-HANDLE. THE AIRCRAFT RETURNED TO THE GATE WITHOUT FURTHER INCIDENT. MAINTENANCE RESECURED THE NR 1 ENGINE RIGHT INLET DE-ICE DUCT TO THE EXHAUST STACK IAW B1900 MM 78-00-00 AND PERFORMED OPERATIONAL CHECK OF THE FIRE DETECTION SYSTEM IAW B1900 MM 26-00-00, NO DEFECTS NOTED. THE AIRCRAFT WAS RELEASED TO SERVICE. (M)