As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
IN FLIGHT, AP FAIL MESSAGE DURING DESCENT. MESSAGE EXTINGUISHED TEHN ILLUMINATED MULTIPLE TIMES. NOTED "STICKY" SPOT DURING LEFT DEFLECTION OF ROLL CONTROL. REMOVED FROM SERVICE. PERFMORED OPS TEST OF AP, REF. AMM 22-11-00-710-802-A. OPS TEST GOOD. AIRCRAFT REMAINS CAT III QUALIFIED. COCKPIT PLACARD REMAINS CAT III. MTX CONTROL NOTIFIED. RETURNED TO SERVICE.