What was found
CREW REPORTED A TOTAL RADIO COMMUNICATION FAILURE ENROUTE. FLIGHT RETURNED TO STL BUT WAS ABLE TO RE-ESTABLISH COMMUNICATION. REPLACED THE FIRST OFFICERS AUDIO SELECTOR PANEL. CHECK-C 6-1-00 STL. ---CLOSED---
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
CREW REPORTED A TOTAL RADIO COMMUNICATION FAILURE ENROUTE. FLIGHT RETURNED TO STL BUT WAS ABLE TO RE-ESTABLISH COMMUNICATION. REPLACED THE FIRST OFFICERS AUDIO SELECTOR PANEL. CHECK-C 6-1-00 STL. ---CLOSED---