As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
HNL - FLT 8676 - PILOT REPORTED COMM FAILURE ALL SYSTEMS. AIR TURNED BACK TO HNL, LANDED WITHOUT INCIDENT. MAINTENANCE DISCOVERED A WIRE DISCONNECTED AND SHORTED AT COPILOT''S MIC SWITCH. RE-SOLDERED WIRE TO TERMINAL. OPERATIONAL CHECKED NR 1 AND NR 2 COMM''S, SATISFACTORY. AIRCRAFT RETURNED TO SERVICE. (X)