What was found
MKE - FLT 5 - TRK2 AND NAV2 AMBER INDICATIONS CONTINUOUSLY APPEAR AT FIRST OFFICER'S PRIMARY FLIGHT DISPLAY AND NAV DISPLAY CONTACTED MTC CTL. AMENDED FLIGHT RELEASE AND RETURNED TO DEPARTURE AIRPORT. CAPPED AND STOWED WIRE. (X)
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
MKE - FLT 5 - TRK2 AND NAV2 AMBER INDICATIONS CONTINUOUSLY APPEAR AT FIRST OFFICER'S PRIMARY FLIGHT DISPLAY AND NAV DISPLAY CONTACTED MTC CTL. AMENDED FLIGHT RELEASE AND RETURNED TO DEPARTURE AIRPORT. CAPPED AND STOWED WIRE. (X)