Massive 400W Airport Runway Strobe Light - Can I Fix It? (opens in new tab)

A friend asked me if I could take a look at this massive Industrial Airport Runway Strobe Light\. It’s currently stuck at only 10% brightness, which is a huge problem for a device meant to be seen from miles away\! Join me as I tear down this rare piece of aviation hardware to find the fault\. Along the way, we deal with some serious electrical sparks, zero documentation, and a bit of 'circuit board detective work' to try and get this beacon back to full power\. Will it flash again, or is it ...