Originally Posted by DeadHead

Yeah, still gave me problems. Talked to a few MX guys about it and they told me it just has something to do with how some of the older audio panels integrated with the newer ANR headsets that draw power from aircraft to power the noise reduction.

Actually used to be more frequent, now it seems to happen less.

The aircraft headsets seem to work fine in a pinch as long as you don't mind getting ear herpes.