As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
REPORT FROM F/A DURING TAXI OUT, MULTIPLE PAX OBSERVED FLAMES FROM BOTTOM OF LEFT WING IN THE VICINITY OF THE ENGINE. THE AIRCRAFT WAS GROUNDED. ACCOMPLISHED INSPECTION FOUND NO DAMAGE OR EVIDENCE OF FIRE. FOUND OIL POOLING IN EXHAUST PLUG CAUITY, OIL CONSUMPTION IS WITHIN LIMITS. AIRCRAFT IS OK FOR SREVICE IAW AMM 71-00-00-800-803-F00. ACCOMPLISHED ENGINE RUN, NO FAULTS NOTED.