As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING CLIMB-OUT FROM KTOL, PILOT'S HSI/ADHI WAS INOP. LOST ATTITUDE AND HEADING INFORMATION. CREW RETURNED AIRCRAFT TO KTOL AND LANDED WITHOUT INCIDENT. MAINTENANCE RESET EADI AND EHSI CIRCUIT BREAKERS. THE SYSTEM RETURNED TO NORMAL AND THE OPERATIONAL CHECK WAS GOOD PER ALL APPLICABLE MANUALS. AIRCRAFT WAS RETURNED TO SERVICE.