As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SAW AND SMELLED SMOKE COMING FROM UNDERNEATH FIRST OFFICER'S SKIRT PANEL. GROUND RAN ELECTRICAL SYSTEM ON GPU. COULD NOT DUPLICATE. AIRCRAFT TEST FLOWN, ALL SYSTEMS FUNCTIONED NORMAL. COULD NOT DUPLICATE INFLIGHT PER A AND P NR 2213143. (X)