As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
NO LAND 3 DEGRADATION IN AUTOLAND SYSTEM PRIOR TO APPROACH (BEFORE LAND 3 AUTOLAND STATUS ANNUNCIATION). AUTOPILOT FLIGHT DIRECTOR COMPUTER (RIGHT) A LIVE CIRCUIT IS OPEN OR SHORTED. REPLACED AFDC RT. RT LRU TEST PASSED. RETURNED TO CAT 3 STATUS. AC OK FOR SERVICE.