As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) DURING FLIGHT TWO WARNING LIGHT CAME ON IN FIRE P/B SWITCH AND FIRE WARNING LIGHT CAME ON THE CENTRE CONSOLE. NO MASTER WARNING LIGHTS OR BELL OR ECAM MESSAGE OR FAULT. FLIGHT PROCEEDED TO DESTINATION. MAINTENANCE ACTION INVOLVED CHANGING FIRE DETECTION UNIT. SYSTEM TESTED SERVICEABLE.