As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
MIA - CREW REPORTED INTEGRATED STANDBY ATTITUDE INDICATOR CIRCUIT BREAKER POPPED. EMERGENCY DECLARED, RETURNED MIA LANDED WITHOUT INCIDENT. AIRCRAFT REMOVED FROM SERVICE. REPLACED INTEGRATED STANDBY/AIRSPEED ALTIMETER AND BATTERY. SYSTEM GROUND CHECKED NORMAL OPERATION.