As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT NOT GROUNDED: PILOT REPORTS DURING TAXI OUT, TOWER AND ANOTHER AIRCRAFT REPORTED STRANGE LIGHT COMING FROM RIGHT ENGINE. PAX REPORTED SEEING SPARKS FROM TAIL PIPE ON BACKSIDE OF ENGINE. MAINTENANCE PERFORMED GENERAL VISUAL INSPECTION OF NR 2 ENGINE IAW AMM 79-00-00-200-806-F00, NO DEFECTS NOTED.