What was found
STAB TRIM CH 1 AND CH 2 AND MACH TRIM CAUTION MESSAGES INFLIGHT. REPLACED HSTCU IAW MM 22-41-01. OPERATIONAL CHECK GOOD.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
STAB TRIM CH 1 AND CH 2 AND MACH TRIM CAUTION MESSAGES INFLIGHT. REPLACED HSTCU IAW MM 22-41-01. OPERATIONAL CHECK GOOD.