As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LEFT ENG FIRE INDICATION AT APPROX 1,500 FEET ON TAKEOFF. AN EMER WAS DECLARED & THE FLIGHT RETURNED WITHOUT FURTHER INCIDENT. THE LT ENG WAS NOT SHUTDOWN. ACFT REMOVED FROM SERVICE. R & R LT ENG COWL ANTI-ICE BLEED DUCT IAW AMM 71-10-01. OPERATIONALLY CHECKED NORMAL. OK FOR SERVICE.