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After T/S was necessary do a replacement of the skin air valve. Ventilation of the avionics is primarily provided by two fans, one acting as a blower, the other as an extractor. Control is provided by the Avionics Equipment Ventilation Computer (AEVC). The system's normal modes are: 1.Close-circuit: Used when skin temperature is low. Air being drawn from the avionics bay and exhausted into the underfloor of the cargo bay, with a return loop via the skin heat exchanger. 2.Intermediate: Used in flight when skin temperature is high. This is similar to close-circuit except the skin air extract valve is partially opened to allow some air to exhaust overboard. 3.Open-circuit: Used for ground operations with a high skin temperature. Air from outside the aircraft is moved across the avionics equipment and then exhausted externally. The skin temperature thresholds are different for flight and ground cases and incorporate a dead band to prevent rapid mode switching. The bands are 9°C to 12°C on the ground and 32°C to 35°C in flight. ✈️ Airbus A320 | Engine CFM56-5B If you want more aviation content, follow our channel.

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"FSEU Replacement" 🎥 When TSM gives you a clear message that the computer is defective, it's time to replace it! FSEU (Flap Slat Electronic Unit) provides a TE flap load relief function which protects the flaps from excessive air loads. This function is operative at the flaps 10, 15, 25, 30 and flaps 40 positions. The FLAP lever does not move, but the flap position indicator displays flap retraction and re extension. ✈️ Boeing 737-800 | Engine CFM56-7B

Yankee Delta slow climb out of LAX, bound for Frankfurt! What an aircraft! I hope LH uses it for a few more years! -

A321 Neo fwd cargo inspection information as well as a brief overview of decompression/blowout panels and loading limits on height. Hope your all enjoyed it. Thank you as always and have a beautiful day 🤙