What was found
FLIGHT CREW REPORTED ON TAKEOFF POSSIBLE LIGHTNING STRIKE WITH LEFT ENGINE STALL MESSAGE. T/S LEFT ENGINE LIGHTNING INDUCED STALL MESSAGE PER A350TSM. PERFORMED BOROSCOPE INSPECTION ON LEFT ENGINE WITH NO RESTRICTIVE DAMAGE NOTED. (L/P# 1586468, 1586423, 1586418, 1586472, 1586881, 8409149; AIRCRAFT WAS GROUNDED)