As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
NR 2 COM RADIO SHOWS FAIL IN ACTIVE AND STANDBY WINDOWS HAPPENED JUST AFTER GRD POWER DIED AND SWITCH TO APU. RE SEATED CONNECTOR NR 2 VHF COMM CONTROL PANEL. OPS CHECK GOOD REF MM 23 12 31. VERIFIED NR 2 VHF COMM CONTROL PANEL DISPLAYED FAIL IN LT AND RT WINDOWS.