As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
INSPECTION TYPE: NA ATB AC WAS OUT OF SERVICE. NO EMERGENCY DECLARED. NO EMERGENCY EQUIPMENT USED. LOSS OF RIGHT AUTO PILOT "ALL" F/O FLIGHT DIRECTORS LOSS/INTERMITTENT-AIR TURNBACK. C/O T/S, IAW FIM 22-03-00-815-801 FOUND LT FCC FAIL. NOT POSSIBLE TO INTERROGATE LT FCC. ALSO AFFECTING X-TALK TO RT FCC. R & R LT FCC, IAW AMM 22-11-01/401. IPC REF 22-11-01-01 ITEM 008L.