As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
MYR - FLT 182 - LOSS OF BOTH RADIOS WHILE SITTING ON END OF RUNWAY FOR TAKEOFF. AFTER TAXI BACK TO RAMP AND DURING ENGINE SHUT DOWN, RADIOS STARTED WORKING NORMALLY. INSPECTED COMM SYSTEMS AND FOUND FAULTY MIC JACK (SHORTED INTERNALLY) AT OB'S POSITION. REMOVED AND REPLACED MIC JACK SYSTEM. GROUND CHECKS GOOD ON VARIOUS FREQUENCIES IAW MM 23-20. (X)