As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS GROUNDED. RAMP EMPLOYEE NOTIFIED PILOTS THAT EXTERNAL POWER CORD WAS HOT TO THE TOUCH AND SMOKING. BURN INDICATIONS ON CORD AND AIRCRAFT. REMOVED AND REPLACED EXTERNAL POWER RECEPTACLE PER AMM 24-41-51.**SUPPLEMENTAL CLOSED**.