What was found
WHEN DECREASING ALTIMETER KOLLSMAN WINDOW, NEEDLE MOVEMENT JUMPS 200 FEET AT 29-90. ADJUSTMENT KNOB IS STIFF AND RATCHETY AT DIFFERENT SETTINGS.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
WHEN DECREASING ALTIMETER KOLLSMAN WINDOW, NEEDLE MOVEMENT JUMPS 200 FEET AT 29-90. ADJUSTMENT KNOB IS STIFF AND RATCHETY AT DIFFERENT SETTINGS.