As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
WHILE HOVERING AT STAGEFIELD THE ACTUATOR CAUTION ILLUMINATED. RETURNED TO AIRFIELD, AVIONICS WAS ABLE TO RESET THE CAUTION BUT WHEN A/C WAS PULLED UP TO A HOVER TO DEPART THE ACTUATOR CAUTION ILLUMINATED AGAIN. REMOVED AND REPLACED SEMA. MTF COMPLETED OK IAW RFM 29.1.