What are these dark stains above the recessed lights in the kitchen? I’ve checked in the attic and I don’t see any large gaps where air could be coming in from the attic. Yes it’s possible, but only these 4 lights in the kitchen have these stains. The occupants do not smoke and the home is electric only. The light bulbs appear to be around 60w. The home was built in 2008.
I don’t know if it matters, but the lights are insulation contact and they are completely covered with pink fiberglass insulation. Everything looks normal with them, expect for the stains.