PD已经current, 作了SR, 却得到如下回复：
The status of this service request is:
We are currently awaiting the results of required security checks on this case. These background checks are required of all who apply for the immigration benefit you are seeking. We will make every effort to make a decision on this case as soon as the security checks are complete. If you do not receive a decision or other notice of action from us within 6 months of this letter, please contact us by calling our customer service number provided below.
If you have any further questions, please call the National Customer Service Center at 1-800-375-5283.
是不是FBI背景调查没有过，可是我们2007年7月交的485，这么长时间还查好吗？请教老师现在应该怎么办？谢谢