Originally Posted by
Cloudship
I noticed on some aircraft, there is a small blue led light on the side of the first class seats. Occasionally, one of them is lit. What is it for? I even got up the nerve to ask one of the FA's - she had never noticed it before, and none of the other FA's had an idea what it was either.
DYKWIA sensor lights to warn the FAs.
That's why they weren't allowed to tell you what they were.
Was yours lit up?