Sorry, the NHTSA has not posted this TSB document yet.
You can still get the detailed info from Honda for this TSB. Call your local Honda dealer's service department & ask for a copy of TSB# A-AHP-09092013-9.
DEALER MESSAGE - ON JUNE 14, 2013, IN CONNECTION WITH THE SETTLEMENT OF A CLASS ACTION LAWSUIT, AMERICAN HONDA ANNOUNCED A LIMITED WARRANTY EXTENSION FOR SOME 2006-07 CIVIC, AND 2006-08 CIVIC HYBRID VEHICLES. THE WARRANTY EXTENSION COVERS THE REAR UPPER (CONTROL) ARMS IN VEHICLES WHERE PREMATURE REAR TIRE WEAR CAN BE ESTABLISHED UNDER THE TERMS OF THE SETTLEMENT.