What was found
ON CLIMB-OUT, AT IPT, GROUND PERSONNEL REPORTED AN ORANGE GLOW WITH PUFFS OF SMOKE COMING FROM THE LEFT ENGINE. ALL COCKPIT INDICATIONS WERE NORMAL. THE AC RETURNED TO IPT. MAINTENANCE INSPECTED THE LEFT ENGINE, PERFORMED A GROUND RUN. NO DISCREPANCIES NOTED. THE AIRCRAFT WAS RETURNED TO SERVICE. (M)