Sorry, the NHTSA has not posted this TSB document yet.
You can still get the detailed info from Land Rover for this TSB. Call your local Land Rover dealer's service department & ask for a copy of TSB# SSM72817.
ISSUE: AIR-CONDITIONING NOT WORKING AND FOUND TO HAVE NO OR AN INSUFFICIENT AMOUNT OF REFRIGERANT GAS IN THE SYSTEM. NO LEAKS ARE FOUND AND VEHICLE PASSES VACUUM/PRESSURE TEST DURING EVACUATION AND REFILL, SYSTEM THEN WORKS AS NORMAL AFTER REFRIGERANT REFILL.