What was found
ASH 7421 ORD - ALTITUDE ALERT PRE-SELECT WILL NOT SET ALTITUDE. MAINTENANCE REMOVED AND REPLACED FLIGHT CONTROL PANEL, OP'S CHECK GOOD.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
ASH 7421 ORD - ALTITUDE ALERT PRE-SELECT WILL NOT SET ALTITUDE. MAINTENANCE REMOVED AND REPLACED FLIGHT CONTROL PANEL, OP'S CHECK GOOD.