While underway with full LNG cargo tanks, an alarm indicates liquid in hold space #3. What should be the first action taken?
immediately commence lining up the system to educt LNG from the cargo hold and prepare to jettison LNG from cargo tank #3
check the temperature and pressure indicators in the hold space
commence purging hold #3 with inert gas
send someone into the hold space with SCBA and cryogenic immersion suit, to investigate the condition of the hold