Hy gen..that is a good sign
...there are people who are waiting longer so no worries...i am gettin into my fifth week of waiting...are you a male?...if i was you..i would wait a week more, then call them..because they are fully packed in the training...they told me so on my FI...and they asked me to be patient..so just think happy thoughts and pack
...and negative answer, usually comes much sooner then 6 weeks...take care...