Spell #61377 (possibly named "Waiting For Airship Horde Self Dnd") doesn't exist. It may have been removed from the game.
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Waiting for Airship, Horde, Self (DND) - Live
Waiting for Airship, Horde, Self (DND) - PTR
Waiting for Airship, Horde, Self (DND) - PTR 2
Waiting for Airship, Horde, Self (DND) - Beta
Waiting for Airship, Horde, Self (DND) - Wrath of the Lich King
Waiting for Airship, Horde, Self (DND) - Cataclysm