What was found
(CAN) AFTER THE SEAL REPLACEMENT ACFT WAS TAXING TO THE TARMAC FOR GROUND RUN. DURING TAXIING, THE ENGINE HAD AN UNCOMMANDED SHUTDOWN WHEN ENGINE WAS AT LOW IDLE. A WHITE SMOKE WAS NOTICED THROUGH THE EXHAUST. A START WAS DONE AFTER THE EVENT AND WAS NORMAL. RECOMMENDED TO PERFORM THE TROUBLESHOOTING FOR FLAMEOUT IAW EMM. WILL INVESTIGATE TO ESTABLISH ROOT CAUSE AND SUPPLEMENT THE REPORT ONCE THE INFORMATION IS AVAILABLE.