During takeoff roll at 23:42 AST (03:42 UTC), the captain found that his airspeed indicator (ASI) was malfunctioning but he chose not to abort the takeoff.
Durante a engalaxe ás 23:42 AST (03:42 UTC), o capitón atopou que o seu indicador de velocidade do aire non funcionaba correctamente pero elixiu non abortar.