What was found
WHILE ON THE GROUND, "STAB CH 1 INOP" AND "MACH TRIM" MSG'S APPEARED. REMOVED AND REPLACED HSTCU. OPERATIONAL CHECK GOOD.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
WHILE ON THE GROUND, "STAB CH 1 INOP" AND "MACH TRIM" MSG'S APPEARED. REMOVED AND REPLACED HSTCU. OPERATIONAL CHECK GOOD.