sgtpp214
Might want to check out this thread
Which says in part:
In certain FIC locks made between January 1, 2006 and April 30, 2013, the key may be able to also be removed from the deadbolt cylinder when the key is in the 9 o’clock position. This condition may cause the deadbolt to jam, which could prevent occupants inside the trailer from being able to unlock the door from the inside and exit the trailer through the door, requiring them instead to use the emergency exit and potentially increasing the risk of injury.