What was found
MACH TRIM CAUTION AND STAB TRIM CHANNEL 2 STATUS MESSAGES DISPLAYED IN FLIGHT. REPLACED HSTCU IAW MM 27-41-01. OPERATIONAL CHECK GOOD.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
MACH TRIM CAUTION AND STAB TRIM CHANNEL 2 STATUS MESSAGES DISPLAYED IN FLIGHT. REPLACED HSTCU IAW MM 27-41-01. OPERATIONAL CHECK GOOD.