What was found
MCP panel @ 7000`, engage PDC A/S bug goes to 310K. Speed mode would not engage. When flaps select to 5 auto pilots kick off, would not re-engage. R&R both radio altimeters.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
MCP panel @ 7000`, engage PDC A/S bug goes to 310K. Speed mode would not engage. When flaps select to 5 auto pilots kick off, would not re-engage. R&R both radio altimeters.