What was found
PHX - AIR TURN BACK - FLT 478 - CREW REPORTED THAT ON INITIAL TAKEOFF AT HEADING SELECT, THE AIRCRAFT LOST HEADING BUG, AIRSPEED BUG, F/O COURSE INDICATOR, STEERING BARS ON FLT DIRECTOR, AND AUTOPILOT. CREW RETURNED TO PHX AND LANDED WITHOUT FURTHER INCIDENT. MAINTENANCE REMOVED AND REPLACED THE MCP AND THE FCC, CHANNEL B, OPERATIONAL CHECKS WERE GOOD PER TC R1B22001. COMPUTER, FLIGHT CONTROL, AUTOPILOT; PN 4051600-913; SN 86100696; MFG HONEYWELL; TT 57803; TC 40447; TSR 38511.