Hi,
I am also a target of PPQ - QAE:
Citizenship application sent: Jan 9th, 2018
Received: Jan 11th, 2018
AOR: March 4th, 2018
In process: March 9th, 2018
PPQ-QA Letter Dated: March 12th, 2018
PPQ - QA Letter Received: March 15th, 2018
Completed PPQ-QA Sent: In Process