As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SAN FWD TO MCO AND PLACARD PER MEL M25-25-02J. STATED THE AVU IN FWD CLOSET HAS INTERNAL SHORT, DISCONNECTED AVU AND PULLED AND COLLERED C/BS. ATL REPLACED VCC AVU AND WHEN POWER WAS TURNED ON FOUND SMOKE COMING FROM THE VMOD. REPLACED VMOD AND OPS CHECK GOOD.