The FAA has signed off on the accident investigation report and has issued licences for all of the upcoming Iridium/NEXT launches.
https://spaceflightnow.com/2017/01/06/faa-signs-off-on-spacex-mishap-investigation/
https://spaceflightnow.com/2017/01/06/faa-signs-off-on-spacex-mishap-investigation/