What was found
MACH TRIM MESSAGE (AMBER) WHEN F/O USES YOKE SWITCH. REPLACED PITCH TRIM SWITCH IAW 27-41-05. REPLACED HSTCU IAW 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 MESSAGE (AMBER) WHEN F/O USES YOKE SWITCH. REPLACED PITCH TRIM SWITCH IAW 27-41-05. REPLACED HSTCU IAW 27-41-01. OPERATIONAL CHECK GOOD.