As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CREW REPORTED THE STANDBY ATTITUDE INDICATOR FAILED IN FLIGHT. AIRCRAFT DIVERTED TO CLT AND LANDED WITHOUT INCIDENT. MAINTENANCE REMOVED AND REPLACED THE STANDBY ATTITUDE INDICATOR. CHECKS WERE PERFORMED PER THE AIRCRAFT MAINTENANCE MANUAL WITH NO DEFECTS. AIRCRAFT WAS RELEASED FOR SERVICE.