What was found
NR 1 VHF RADIO WILL NOT TRANSMIT OR RECEIVE. NR 2 VHF WILL ONLY TRANSMIT ON 121.9. DISCONNECTED AND RECONNECTED THE CAPTAINS FREQUENCY SELECT PANEL AND AUDIO SELECT PANEL. PERFORMED OPERATIONAL CHECKOUT OF THE NR 1 VHF COMM.SYS. ON FREQUENIES 129.07 AND 121.9.SYSTEM OPS CHECKS IAW MM 23-21-00. DISCONNECTED AND RECONNECTED THE F/O'S FREQUENCY SELECT PANEL AND THE AUDIO SELECT PANEL. PERFORMED OPERATIONAL CHECKOUT OF THE NR 2 VHF COMM. SYS. ON FREQS 129.07 & 133.225. SYS OPS CHECKS IAW MM 23-21-00.