As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
RETURNED, RT ENG FIRE HANDLE ILLUMINATED ALONG WITH AURAL WARNING ON CLIMB OUT. AN EMER WAS DECLARED & THE FLIGHT LANDED WITHOUT FURTHER INCIDENT. THE ACFT WAS REMOVED FROM SERVICE. FOUND ANTI-ICE TUBE ON TOP OF RT ENG BLOWN. REPLACED RT ENG ANTI-ICE DUCT IAW AMM 75-10-02.