As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
NUMBER 1 & 2 RADIOS WORKED INTERMITTENTLY IN FLIGHT, PROGRESSIVELY BECAME WORSE, NO RECEIVE ON NR 1, NO TRANSMIT OR RECEIVE ON NR 2. RERACKED COMM NR 1 & NR 2 TRANSCEIVERS, CLEANED MOISTURE OFF CAPTAINS AUDIO PANEL CONNECTOR AND CLEANED COMM NR 1 & NR 2 CONTROL HEAD CONNECTORS. OPERATIONAL CHECK OF SYSTEMS SATISFACTORY.