Uploaded July 2025 | Updated September 2026, 2 weeks ago

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Once again we will take look on ATA 21. I will tell you about Avionics Equipment Ventilation Computer/system or shortly AEVC and as well about the skin air-inlet valve

Reason for replacement: faulty unit

My Flashlights Fenix LD45R:
fenixlighting.com/products/fenix-ld45r-adjustable-beam-flashlight

My Headlight Fenix HL45R:
fenixlighting.com/products/fenix-hl45r-rechargeable-headlamp

*********video is just for information purposes always stick to the latest maintenance manual.*********

Skin air outlet valve:
youtu.be/SWuqxL52fVg

Extractor fan:
youtu.be/y5NISXMRKm8

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———-Video content———————

00:00 - Intro
00:57 - AEVS - how it works
07:58 - how the valve works
10:45 - Preparation for installation
11:25 - Installation of the valve
13:08 - test
14:28 - close up

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