As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON TAXI IN RIGHT ENG WAS SHUTDOWN, GRND TOLD US SMOKE AND MECHANIC CONFIRMED SMOKE AND FLAMES FROM LEFT ENG TAILPIPE. SECURED LEFT ENG AND MOTORED ENG FOR TWO MINUTES. NO COCKPIT INDICATIONS OR HIGH EGT NOTED PRIOR TO SMOKE ANNOUNCEMENT. PERFORMED FIM PROCEDURES 71-08-00 FIG 117, ALL OK. PERFORMED AMM 70-11-11-912-018-N00, NO ABNORMALTIES FOUND ALLOK. PERFORMED TEST RUN ON LT ENGINE TWICE ALL OK. ALL PARAMETERS OK.