As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT RETURNED TO THE GATE DUE TO REPORTS FROM RAMP PERSONNEL OF SMOKE COMIN G FROM THE RIGHT ENGINE COWLING. MAINTENANCE INSPECTED THE RIGHT ENGINE, FOUND NO EVIDENCE OF SMOKE OR LEAKING FLUIDS. PERFORMED GROUND RUNS AND RELEASED THE AIRCRAFT FOR SERVICE WITH NO FURTHER PROBLEMS.