Originally Posted by
JOSECONLSCREW28
No. Only way to tell is if its tail #1101 and higher.
There will be 1 visual way to tell.
On the current configuration, right before the last set of doors there's a set of 4 windows on the current configuration, however, on the new one a lavatory will occupy part of those windows, so instead of 4, the new configuration will only have 2 windows in this section.