As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON TAKE OFF FLIGHT CREW RECEIVED A FIRE WARNING IN #2 ENGINE, THEN THE INDICATION EXTINGUISHED, SO THEY ELECTED TO CONTINUE, THEN AT 8000', THE INDICATION REAPPEARED AND THEN AN EMERGENCY WAS DECLARED AND RETURNED BACK TO KPBI. FIRE WARNING EXTINGUISHED ON FINAL BACK INTO KPBI. VISUAL INSPECTION OF THE ENGINE REVEALED THERE WAS ACTUALLY A FIRE. ENGINE WAS NOT SHUT DOWN OR FIRE BOTTLE DISCHARGED.