What was found
At 12000 feet, autopilot on, in heading select mode, displayed heading changed on its own several times. R&R mode control panel IAW MM 22-11-341. Ops checked normal.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
At 12000 feet, autopilot on, in heading select mode, displayed heading changed on its own several times. R&R mode control panel IAW MM 22-11-341. Ops checked normal.