Teardown to get some insight on why this 2016 style CREE "SA19" 100W LED bulb failed after 6 months usage.

For those who keep asking...
The outdoor lamp-post housing is not enclosed, it's vented at the top (for heat to escape), but the lid is like the steep sloped roof on a house... it extends well over the opening, and the opening is more than 25mm above the bottom edge of the sloped lid.

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