Between Nov 14 ~ Dec 9 the following activities took place:

- The leaky 10mm Be target at pos'n 3 was removed and plugged
- The loose protect monitor electrical conduit was secured in place using an aluminum shim
- David Cameron performed an electrical check on the protect and profile monitors and got the expected response from both
- The target was flushed with water, then air
- The target was pumped down using a cold trap to capture remaining moisture
- The target reached a minimum pressure of 80mTorr on the leak detector Hastings gauge
- Helium leak check revealed a leak at both of the position 1 Swagelok caps (up to 80 on 50x scale on left side, and 100 on 100x scale on right side when facing ladder with 1s spray of 5psi helium)
- The leak rate did not improve with tightening of the caps
- The caps were removed, ladder side threads inspected (no obvious damage observed), and new caps installed
- Helium leak check repeated: Pos'n 1 left side now leak tight, right side leak rate was worse (could not completely open throttle valve on leak detector)
- Torque was increased on the cap with no improvement in leak rate
- The right side cap was removed and when trying a new cap it would not spin freely
- The ladder side threads were inspected more carefully with the Nikon level:  a small dent across the first thread at approximately 2 o'clock position was seen as well as some material build-up or possible galling seen at the 1st and 2nd threads around the 4 o'clock position.
- The threads were filed to improve their profile which allowed a new cap to be installed with light resistance (still would not spin freely)
- Leak check was performed with a minimum pressure of 70mTorr reached (throttle valve fully open, roughing closed), with large response still at the right side pos'n 1 cap, No change with moderate tightening

It is suspected that the ladder side fitting sealing face is damaged causing a poor seal.  When a cap was installed and torqued this may have caused the galling or material build up observed at the 4 o'clock position (but not the dent on the 1st thread at the 2 o'clock position)

Various experts on-site will be consulted about how to best proceed before doing further work.  One option is to perform a static water test.  If the target is water leak tight then it may be used in the beam line.  If repair efforts are not successful and the target is not water leak tight then the target ladder will have to be replaced which is approximately a 2 week job.