What was found
THUMBWHEELS DON'T AGREE WITH DISPLAY. TRIED CLEANING THUMBWHEEL. NO HELP. REPLACED THUMBWHEEL S1. REPAIRED. BENCH CHECK GOOD.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
THUMBWHEELS DON'T AGREE WITH DISPLAY. TRIED CLEANING THUMBWHEEL. NO HELP. REPLACED THUMBWHEEL S1. REPAIRED. BENCH CHECK GOOD.