Hi @vir457 ,
What happens to the bottom right LED light, does it also blink, turns off or stays on?
Looking at the LED wiring in the Wiring Sheet W10565197 RevB for your model, the AC power is fed to the AC/DC LED control module, (presumably the top right LED light that you replaced) when the door switch is released. Then the DC derived from the AC supplied to the module, supplies not only the LED lights in that module but also the other LED light modules i.e. bottom and freezer in series connection, i.e. it goes from top right to freezer to bottom right and back to top right.
For the lights to blink or turn off, first you would need to check if there is a constant 115V AC being supplied to pin 1 (yellow wire) on the LED control module when the door is open i.e. is the door switch OK or it is providing an intermittent connection perhaps e.g. corroded contact??
If the AC supply to the LED control module is constant when the door is open then it may be problem with one of the other LED modules (part # WPW10515057) that you haven't replaced or the wiring connections to the other LED modules, going open circuit (loose, faulty crimp on wire??) causing all the lights to turn off of blink if intermittent. Further testing may be required to find out what's actually occurring