It sounds like a 3-cabin since he cited same meal choice for both F and C, meaning 3 class-cabin.

Can they fly an airplane with only 2 lavatories working? What's the FAA rule? One minimum working lav and you're OK to fly? If I were the FA on the flight, I'd do a numbering system or something to that effect so that passengers don't have to stand in the aisles a long time to use the lav. I can't imagine how much the chaos and discomfort there were on that flight!