What was found
STAB TRIM CH 1 INOP MESSAGE ON TAXI OUT. REPLACED THE HSTA IAW MM 27-12-01 AND MCU IAW MM 27-42-05. OPERATIONAL CHECK GOOD. P/N 8396-3; S/N OFF 643.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
STAB TRIM CH 1 INOP MESSAGE ON TAXI OUT. REPLACED THE HSTA IAW MM 27-12-01 AND MCU IAW MM 27-42-05. OPERATIONAL CHECK GOOD. P/N 8396-3; S/N OFF 643.