As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
IN FLIGHT CHECKFIRE DETECT WARNING AND MASTER WARNING LIGHT ILLUMINATED ALONG WITH FAULT B ON NUMBER 2 ENGINE FIRE PROTECTION PANEL. INSP AND FOUND CIRCUIT BREAKER LABELED ENGINE NR 2 FIRE PROTECTION POPPED. RESET CIRCUIT BREAKER AND GROUND RAN AIRCRAFT WITH ALL ELECTRICAL BUSSES POWERED. OPS CHECK GOOD.