Originally Posted by
scottpenderson
The lavatory may have been inoperative due to items on the MEL. I believe that some items that render the lavatory inoperative for customers do allow for crew member use.
This would be my read, too. It is possible for there to be something mechanically defective in the lav which means pax are not allowed to use it. If crew *are* still allowed, probably better for them to use that one vs. tying up a passenger lav.