The T2-MK1 target (spare T2 target) was transported from the hot cell to the storage pit today.  

While the flask was being aligned to the storage pit locating pins, the base of the flask bumped the top of one of the alignment pins.  This was caused by a slight misalignment between the flask locating hole and the alignment pin at the moment when the flask was lowered.  This caused the target to swing within the flask and hit the inside wall of the flask.  

While the target was being lowered into the storage pit hole, it was observed that the profile monitor cassette had become loose from the impact and was protruding from its frame.  The target was raised back into the flask and transported back to the hot cell for inspection.

While lowering the target into the hot cell, the profile monitor cassette was protruding so much from its frame that it hit the target support ring on the hot cell turn table.  This caused the profile monitor cassette to come completely out of its frame and fall onto the hot cell table.  The cassette was damaged from the fall and appears to be unusable.  Probes Group is in the process of assembling a new cassette, which should be ready within the next few days.  They have requested that the damaged cassette be given to them so they can salvage parts (the cassette has not seen beam and should not be active).

The target was inspected and photographed and then transported to storage pit hole #4.  It is possible that the profile monitor frame was also damaged.

This mistake can be avoided in the future by working much more carefully and slowly when locating the flask on alignment pins and by completely removing all flask swing before lowering the flask.