As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AUTOPILOTS 1 AND 2 FAILED TO ENGATE RETURNED TO LAX, THE AIRCRAFT RETURNED TO THE DEPARTING STATION LAX FOR REPAIR. ALIGNED INU'S PRESSURIZED HYDRAULICS, YAW UPPER AND LOWER YAW ON, FD'S ON FLAGS IN VIEW PERFORMED TEST TO SYSTEM. OPERATIONAL CHECKED OK REPLACED PITCH CONTROL PANEL. FMA CHECKED OK PER MM 22-10-00. REPLACED PITCH GUIDANCE CONTROL PANEL. (M)