As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING CLIMB OUT, CAPTAIN’S FLIGHT DIRECTOR INDICATOR READ’S DIFFERENT FROM THE F/O FLIGHT DIRECTOR INDICATOR, ALSO READ’S DIFFERENT IN FLIGHT LEVEL AND DESCENT. THE CREW RETURNED TO DEPARTURE WITHOUT FURTHER INCIDENT. MX REPLACED CAPTAIN’S FLIGHT DIRECTOR INDICATOR. OPS CHECK GOOD IAW MM 34-20-0. ACFT WAS RETURNED TO SERVICE.