What was found
DURING DESCENT AP PITCH TRIM CAUTION MESSAGE CAME ON FOLLOWED BY STAB CH 1 STATUS MESSAGE. REPLACED HSTA & MOTOR CONTROL UNIT PER MM 27-42-01. OPERATIONAL CHECK GOOD. P/N: 8396-3, S/N OFF: 1036.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
DURING DESCENT AP PITCH TRIM CAUTION MESSAGE CAME ON FOLLOWED BY STAB CH 1 STATUS MESSAGE. REPLACED HSTA & MOTOR CONTROL UNIT PER MM 27-42-01. OPERATIONAL CHECK GOOD. P/N: 8396-3, S/N OFF: 1036.