As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIR INTERRUPT, RETURNED & EMER DECLARED. LANDING UNEVENTFUL & ACFT OVERWEIGHT. ALL THREE AUTOPILOTS FAILED ALONG WITH RT FMC. ACCOMPLISHED FMC BITE IAW FIM 34-61-00, AUTO FLIGHT BITE IAW FIM 22-02 TASK 815-818, BPCU BITE IAW FIM 24-20 TASK 815-801 & EEC BITE IAW FIM 73-21-00-902. R & R AUTO FLIGHT MODE CONTROL PANEL IAW AMM 22-11-02. PERFORMED FMC SOFTWARE CROSS LOAD IAW AMM 34-61-00-342-009-004. ALL OPERATIONAL CHECKS GOOD.