Here is my time line:
ITA: 7-10-2015
AOR: 8-17-205
Medical Pass: 8-25-2015 (cannot remember exactly)
Background Check Started: 11-27-2015
PPR: 1-28-2016
Between 11-27-2015 and 1-28-2016, I received no updates at all. But, it's a good ending for me. And, all the time that I'm panic waiting...