What was found
AIRCRAFT WAS GROUNDED: DURING TAXI OUT, OTHER AIRCRAFT REPORTED FLAMES COMING OUT OF RIGHT ENGINE. EMERGENCY DECLARED. ENGINE FIRE SWITCH PULLED, DID NOT DISCHARGE. NO FLIGHT DECK INDICATION OF FIRE. RETURNED TO GATE. **SUPPLEMENTAL REPORT FOR AALA202203147284: ACCOMPLISHED FIM 71-05-00-810-811-F00 FOR FAULT ISOLATION OF FLAMES FROM EXHAUST OR CENTER PLUG, STEP D FOR OIL ACCUMULATION IN CENTER PLUG CAVITY. NO DEFECTS FOUND DURING INSPECTIONS. ACCOMPLISHED IDLE POWER LEAK CHECK PER AMM 71-00-00-700-801-F00. NO LEAKS NOTED. NO FLAMES OR SMOKE NOTED INSIDE CENTER CAVITY PLUG OR INSIDE CORE FLOW OF EXHAUST NOZZLE. OK FOR SERVICE.** (CLOSED)