[Pansophy] L2HE-CLNRM-CST-ASSY Rework

[Jacob Harris]

Tiffany and Pansophy Team
SNSPPU project had a similar issue when they replaced a cavity in string PPU-02. They initiated a second Sting Assembly Traveler for PPU-02 and pulled all the relevant info (changed and unchanged) into the new traveler. Pansophy Team, is this the typical method for exchanging parts in a string after the initial traveler is closed? Does this method break any of your reports than now have to recognize two CST ASSY travelers with the same SN?

Jacob

From: Tiffany Ganey <ganey at jlab.org>
Sent: Thursday, May 12, 2022 8:04 AM
To: pansophy <pansophy at jlab.org>; Jacob Harris <jharris at jlab.org>
Subject: L2HE-CLNRM-CST-ASSY Rework

We will need to replace some of the FPCs that were installed on the first L2HE string.  The FPCC SN for the string is captured in L2HE-CLNRM-CST-ASSY, Traveler SN 1.  Since this string had already been pushed out of the cleanroom before the damage was discovered, the traveler was already closed.  I think that I need to request that the traveler be re-opened so that we can replace the damaged FPCs and update the FPCCSNs in the traveler.  We will also need to redo the leak check, which is recorded in the traveler as well.  I think that this replacement work will also be noted in one or more D3s to be linked to this traveler.

Is this the correct way to handle this situation with respect to updating the traveler recorded data?

Tiffany Ganey

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