As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FIRE DEPARTMENT NOTIFIED CREW OF WHITE SMOKE COMING FROM THE RIGHT HAND ENGINE AREA. CREW REPORTED ALL INDICATIONS IN COCKPIT WERE NORMAL. CREW HAD JUST STARTED THE APU. INSPECTION OF APU AND ENGINE FOUND NO PROBLEM. AIRCRAFT RETURNED TO SERVICE.