Anderson patio slider door locking latch on casing side. Protruding PIN broke from its position & is inside mechanism.
See part & patio door photo but not part info.
Thank you,
Kevin
Tom from SWISCO responded:
August 3, 2016
Thanks for posting, Kevin. Start by looking at our 82-037. This looks like it might match the hardware in your picture, but it's hard to say.