As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) DURING DEPARTURE VHF 1 FAILED. CABIN/FLT DECK COMMUNICATION ALSO FAILED. AFTER CONSULTATION WITH CHIEF DUTY PILOT CAPTAIN ELECTED TO RETURN. ACFT APPROXIMATELY 21,000K OVERWEIGHT UPON LANDING. NR 1 VHF TRANCEIVER REPLACED IAW AMM 23-12-01-401. LT VHF CONTROLLER REPLACED IAW AMM 23-12-02-401.