I thought the R stood for "recognition" as it can apply to a non-repair situation as well.
I can think of a couple myself:
- HARM (Halted Action--Restricted by Management)
- SUPER (Supervisory User--Proceed with Extreme Reluctance, for those situations where labeling someone over your head any of the above is a threat to your job security).
- ICU (Instructed to Chase Unicorns, for when you know there's no solution, but you're told by supes to find one anyway or else).