Sharing my timeline here:
Submit FBI PCC application (paid with money order): 18 October 2016
FBI PCC application delivered: 21 October 2016
FBI PCC issued: 10 December 2016
FBI PCC received: 15-21 December 2016 (can't be sure)
However, my wife PCC application was rejected due to her fingerprint quality (taken by a local police station in the U.S.) In addition, her rejection letter was lost in the mail. She received a call from FBI on 7 February 2017 to submit a statement to get the rejection letter resent. My wife submitted the statement on 14 February 2017. She has not received the rejection letter yet.
In the meantime, my wife reapplied for the PCC and the timeline is as the following:
Submit FBI PCC application (attached the credit card payment form): 12 January 2017
FBI PCC application delivered: 17 January 2017
Credit card charged: 17 February 2017
FBI PCC issued: 2 March 2017
FBI PCC received: 11 March 2017
Now, to the next step!