Originally Posted by
diburning
The JetBlue Customer Bill of Rights says that you are entitled to receive a $15 voucher if your IFE does not work.
That is correct, and it doesn't matter how long the flight is. If it is plane-wide and the crew writes it up, you will get it automatically (if you have a TrueBlue #)
IME, the easiest way to do it is to DM JetBlue on Twitter.