crwdns2934241:0crwdne2934241:0 mayer

crwdns2934249:0crwdne2934249:0:

Sounds like one of the posts one the locking mechanism broke off.  Look at step #4 of this guide to confirm:

[guide|50387]

crwdns2915684:0crwdne2915684:0:

open