What was found
FLIGHT 1839, BDL-PHL. THE ACFT LOST THE ABILITY TO TRANSMIT OR RECEIVE ON BOTH THE CAPTAIN'S AND THE FIRST OFFICER'S RADIOS. ACARS DID NOT FUNCTION THEN RESUMED OPERATION ALLOWING THE CREW TO TRANSMIT INSTRUCTIONS FROM ATC. A COMMUNICATIONS EMERGENCY WAS DECLARED AND THE CREW WAS GIVEN LANDING PRIORITY. A CIRCUIT BREAKER WAS RESET FOR "COMM AUDIO 2" ALLOWING LIMITED VERBAL COMMUNICATION WITH ATC FOR ARRIVAL AND LANDING. THE FLIGHT LANDED UNEVENTFULLY. MX RESET THE RADIO COMMUNICATION SYSTEM AND PERFORMED A GROUND OPS CHECK.