What was found
DFW - CREW REPORTED MUTIPLE NAVIGATION ISSUES. FLIGHT RETURNED DFW LANDED WITHOUT INCIDENT. AIRCRAFT REMOVED FROM SERVICE. REPLACED CONTACT AT 530-19. SYSTEM GROUND CHECK NORMAL OPERATION.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
DFW - CREW REPORTED MUTIPLE NAVIGATION ISSUES. FLIGHT RETURNED DFW LANDED WITHOUT INCIDENT. AIRCRAFT REMOVED FROM SERVICE. REPLACED CONTACT AT 530-19. SYSTEM GROUND CHECK NORMAL OPERATION.