Mid-flight, "Hi, this is the captain. We're terribly sorry, but the plane will now be going into a 5 hour reboot mode. We flew through a rain cloud in the sun

Mid-flight, "Hi, this is the captain. We're terribly sorry, but the plane will now be going into a 5 hour reboot mode. We flew through a rain cloud in the sun. Do not be alarmed when the lights turn off and the engines cease."