This is the FlightRadar24 playback of the flight: https://www.flightradar24.com/data/flights/la800#34506b53 https://www.flightradar24.com/data/flights/la800#345

This is the FlightRadar24 playback of the flight: https://www.flightradar24.com/data/flights/la800#34506b53 https://www.flightradar24.com/data/flights/la800#34506b53 At time ~02:27, a dip in the altitude can be seen in the flight data chart.