As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FOS AHRS FAILED ABOUT 10 MINUTES INTO FLIGHT, LOST BOTH ADI AND EHSI ATTITUDE AND HEADING. RETURNED TO SLC. INSTALLED A SERVICEABLE FUSE FOR THE 24 VOLT EMERGENCY BATTERY SWITCH. RAN THE AIRCRAFT FOR 20 MINUTES AND AHRS, OPS CHECKS GOOD IAW MM 342100.