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Hello Ching,</div>
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No, I have not seen this behavior before with the other HV modules.</div>
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From the sent video, I noticed that channel 2 with a set output voltage of 641.84 V is oscillating (from 586 V to 571V), I don't see a straight voltage drop. Also, looks like the temperature is higher for this particular channel, at least comparing with other
channels where the voltage was set to the same output value; I'm not sure if this might be an indication of a potential issue with the hardware component for this channel.</div>
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Was this behavior only noticed for channel 2?</div>
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What was the outcome decision about allowing to the CAEN tech support to remotely monitor the faulty boards in the Lab? </div>
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Regards,</div>
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Pablo </div>
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<div id="divRplyFwdMsg" dir="ltr"><font face="Calibri, sans-serif" style="font-size:11pt" color="#000000"><b>From:</b> Ching Him Leung <cleung@jlab.org><br>
<b>Sent:</b> Tuesday, October 15, 2024 10:59 AM<br>
<b>To:</b> Pablo Campero Rojas <campero@jlab.org>; Ibrahim Albayrak <albayrak@jlab.org><br>
<b>Subject:</b> Re: Crate status</font>
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<p class="x_MsoNormal"><span style="font-size:11.0pt">Hi Pablo,</span></p>
<p class="x_MsoNormal"><span style="font-size:11.0pt"> </span></p>
<p class="x_MsoNormal"><span style="font-size:11.0pt">I have one CAEN HV A1515BTGHP HV module (serial number 30111) that is unable to maintain the voltage.</span></p>
<p class="x_MsoNormal"><span style="font-size:11.0pt">It was fine for ~1 hr. Then the voltage suddenly drops. The attached video is after we noticed the issue.
</span></p>
<p class="x_MsoNormal"><span style="font-size:11.0pt"> </span></p>
<p class="x_MsoNormal"><span style="font-size:11.0pt">Have you seen this behavior before? We have this module in testlab room 1128A if you would like to take a look.</span></p>
<p class="x_MsoNormal"><span style="font-size:11.0pt"> </span></p>
<p class="x_MsoNormal"><span style="font-size:11.0pt">Ching Him</span></p>
<p class="x_MsoNormal"><span style="font-size:11.0pt"> </span></p>
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<p class="x_MsoNormal" style="margin-bottom:12.0pt"><b><span style="color:black">From:
</span></b><span style="color:black">Pablo Campero Rojas <campero@jlab.org><br>
<b>Date: </b>Wednesday, October 2, 2024 at 9:13</span><span style="font-family:"Arial",sans-serif; color:black"> </span><span style="color:black">AM<br>
<b>To: </b>Ching Him Leung <cleung@jlab.org><br>
<b>Subject: </b>Re: Crate status</span></p>
</div>
<div>
<p class="x_MsoNormal"><span style="color:black">Hello Ching,</span></p>
</div>
<div>
<p class="x_MsoNormal"><span style="color:black"> </span></p>
</div>
<div>
<p class="x_MsoNormal"><span style="color:black">Since you have the modules, you may want to answer some of the question from CAEN. See the message from the CAEN ticket support system I just received today.<img width="758" height="295" id="x_image_0" style="width:7.8958in; height:3.0729in" data-outlook-trace="F:1|T:1" src="cid:2666ce23-e65e-4157-8e9e-485469822785"></span></p>
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<p class="x_MsoNormal"><span style="color:black">Regards,</span></p>
</div>
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<p class="x_MsoNormal"><span style="color:black">Pablo</span></p>
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<p class="x_MsoNormal"><b><span style="font-size:11.0pt; font-family:"Calibri",sans-serif; color:black">From:</span></b><span style="font-size:11.0pt; font-family:"Calibri",sans-serif; color:black"> Pablo Campero Rojas <campero@jlab.org><br>
<b>Sent:</b> Wednesday, September 25, 2024 9:10 AM<br>
<b>To:</b> Ching Him Leung <cleung@jlab.org>; dsg-halla_gem@jlab.org <dsg-halla_gem@jlab.org><br>
<b>Subject:</b> Re: Crate status</span> </p>
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<p class="x_MsoNormal"> </p>
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<div>
<p class="x_MsoNormal"><span style="color:black">The modules are still in the box that were delivered, located on the table right in front of the room entrance. </span></p>
</div>
<div>
<p class="x_MsoNormal"><span style="color:black">See attached pictures.</span></p>
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<p class="x_MsoNormal"><b><span style="font-size:11.0pt; font-family:"Calibri",sans-serif; color:black">From:</span></b><span style="font-size:11.0pt; font-family:"Calibri",sans-serif; color:black"> Ching Him Leung <cleung@jlab.org><br>
<b>Sent:</b> Wednesday, September 25, 2024 8:53 AM<br>
<b>To:</b> Pablo Campero Rojas <campero@jlab.org>; dsg-halla_gem@jlab.org <dsg-halla_gem@jlab.org><br>
<b>Subject:</b> Re: Crate status</span> </p>
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<p class="x_MsoNormal"> </p>
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<p class="x_MsoNormal">Hi Pablo, </p>
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<div>
<p class="x_MsoNormal"> </p>
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<div>
<p class="x_MsoNormal">I will come to pick them up later today. Is there a note on the box or something similar so I can identify the box?</p>
</div>
<div>
<p class="x_MsoNormal"> </p>
</div>
<div>
<p class="x_MsoNormal">Thank you </p>
</div>
<div>
<p class="x_MsoNormal">Ching Him </p>
</div>
<p class="x_MsoNormal"> </p>
<p class="x_MsoNormal"> </p>
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<p class="x_MsoNormal"><b><span style="font-size:11.0pt; font-family:"Calibri",sans-serif; color:black">From:</span></b><span style="font-size:11.0pt; font-family:"Calibri",sans-serif; color:black"> Pablo Campero Rojas <campero@jlab.org><br>
<b>Sent:</b> Wednesday, September 25, 2024 8:19 AM<br>
<b>To:</b> Ching Him Leung <cleung@jlab.org>; dsg-halla_gem@jlab.org <dsg-halla_gem@jlab.org><br>
<b>Subject:</b> Re: Crate status</span> </p>
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<p class="x_MsoNormal"> </p>
</div>
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<div>
<p class="x_MsoNormal"><span style="color:black">Hello Ching and Holly,</span></p>
</div>
<div>
<p class="x_MsoNormal"><span style="color:black"> </span></p>
</div>
<div>
<p class="x_MsoNormal"><span style="color:black">I received the two A1515BTG modules from CAEN and they are located in EEL building, room 121C. Feel free to pick the modules up when you have a chance.</span></p>
</div>
<div>
<p class="x_MsoNormal"><span style="color:black"> </span></p>
</div>
<div>
<p class="x_MsoNormal"><span style="color:black">CAEN informed that modules were tested, and all EPICS parameters are available with no issues. CAEN also suggested to remotely connect from their labs to the SY4527 mainframe in JLAB if more debugging is needed
in the future.</span></p>
</div>
<div>
<p class="x_MsoNormal"><span style="color:black"> </span></p>
</div>
<div>
<p class="x_MsoNormal"><span style="color:black"> </span></p>
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<div>
<p class="x_MsoNormal"><span style="color:black">Regards,</span></p>
</div>
<div>
<p class="x_MsoNormal"><span style="color:black">Pablo</span></p>
</div>
<div>
<p class="x_MsoNormal"><span style="color:black"> </span></p>
</div>
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<p class="x_MsoNormal"><span style="color:black"> </span></p>
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<p class="x_MsoNormal"><b><span style="font-size:11.0pt; font-family:"Calibri",sans-serif; color:black">From:</span></b><span style="font-size:11.0pt; font-family:"Calibri",sans-serif; color:black"> Ching Him Leung <cleung@jlab.org><br>
<b>Sent:</b> Tuesday, September 3, 2024 2:38 PM<br>
<b>To:</b> Pablo Campero Rojas <campero@jlab.org>; dsg-halla_gem@jlab.org <dsg-halla_gem@jlab.org><br>
<b>Subject:</b> Re: Crate status</span> </p>
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<p class="x_MsoNormal"> </p>
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<div>
<p class="x_MsoNormal"><span style="color:black">Hi Pablo,</span></p>
</div>
<div>
<p class="x_MsoNormal"><span style="color:black"> </span></p>
</div>
<div>
<p class="x_MsoNormal"><span style="color:black">Thank you. Please let us know if you have any updates from CAEN.</span></p>
</div>
<div>
<p class="x_MsoNormal"><span style="color:black"> </span></p>
</div>
<div>
<p class="x_MsoNormal"><span style="color:black">Ching Him</span></p>
</div>
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<p class="x_MsoNormal"><b><span style="font-size:11.0pt; font-family:"Calibri",sans-serif; color:black">From:</span></b><span style="font-size:11.0pt; font-family:"Calibri",sans-serif; color:black"> Pablo Campero Rojas <campero@jlab.org><br>
<b>Sent:</b> Tuesday, September 3, 2024 1:59 PM<br>
<b>To:</b> Ching Him Leung <cleung@jlab.org>; dsg-halla_gem@jlab.org <dsg-halla_gem@jlab.org><br>
<b>Subject:</b> Re: Crate status</span> </p>
<div>
<p class="x_MsoNormal"> </p>
</div>
</div>
<div>
<p class="x_MsoNormal"><span style="color:black">Hello Ching,</span></p>
</div>
<div>
<p class="x_MsoNormal"><span style="color:black"> </span></p>
</div>
<div>
<p class="x_MsoNormal"><span style="color:black">I just move the crates, boards, and power cables to the Hall A counting house. </span></p>
</div>
<div>
<p class="x_MsoNormal"><span style="color:black">I placed them in the table right in the entrance.</span></p>
</div>
<div>
<p class="x_MsoNormal"><span style="color:black"> </span></p>
</div>
<div>
<p class="x_MsoNormal"><span style="color:black">The two A1515BTG boards that were sent to CAEN to be fixed are still with CAEN, they are running more tests. </span></p>
</div>
<div>
<p class="x_MsoNormal"><span style="color:black"> </span></p>
</div>
<div>
<p class="x_MsoNormal"><span style="color:black"> </span></p>
</div>
<div>
<p class="x_MsoNormal"><span style="color:black"> </span></p>
</div>
<div>
<p class="x_MsoNormal"><span style="color:black">Regards,</span></p>
</div>
<div>
<p class="x_MsoNormal"><span style="color:black">Pablo </span></p>
</div>
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<p class="x_MsoNormal"><b><span style="font-size:11.0pt; font-family:"Calibri",sans-serif; color:black">From:</span></b><span style="font-size:11.0pt; font-family:"Calibri",sans-serif; color:black"> Ching Him Leung <cleung@jlab.org><br>
<b>Sent:</b> Tuesday, September 3, 2024 10:19 AM<br>
<b>To:</b> Pablo Campero Rojas <campero@jlab.org>; dsg-halla_gem@jlab.org <dsg-halla_gem@jlab.org><br>
<b>Subject:</b> Re: Crate status</span> </p>
<div>
<p class="x_MsoNormal"> </p>
</div>
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<div>
<p class="x_MsoNormal"><span style="color:black">Hi Pablo,</span></p>
</div>
<div>
<p class="x_MsoNormal"><span style="color:black"> </span></p>
</div>
<div>
<p class="x_MsoNormal"><span style="color:black">If possible, can you leave them in Hall A counting house?</span></p>
</div>
<div>
<p class="x_MsoNormal"><span style="color:black"> </span></p>
</div>
<div>
<p class="x_MsoNormal"><span style="color:black">Thank you</span></p>
</div>
<div>
<p class="x_MsoNormal"><span style="color:black">Ching Him</span></p>
</div>
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<p class="x_MsoNormal"><b><span style="font-size:11.0pt; font-family:"Calibri",sans-serif; color:black">From:</span></b><span style="font-size:11.0pt; font-family:"Calibri",sans-serif; color:black"> Pablo Campero Rojas <campero@jlab.org><br>
<b>Sent:</b> Tuesday, September 3, 2024 10:15 AM<br>
<b>To:</b> Ching Him Leung <cleung@jlab.org>; dsg-halla_gem@jlab.org <dsg-halla_gem@jlab.org><br>
<b>Subject:</b> Re: Crate status</span> </p>
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<p class="x_MsoNormal"> </p>
</div>
</div>
<div>
<p class="x_MsoNormal"><span style="color:black">Hello Ching,</span></p>
</div>
<div>
<p class="x_MsoNormal"><span style="color:black"> </span></p>
</div>
<div>
<p class="x_MsoNormal"><span style="color:black">We can take the crates back today.</span></p>
</div>
<div>
<p class="x_MsoNormal"><span style="color:black">The crates are currently located at the EEL 121C room.</span></p>
</div>
<div>
<p class="x_MsoNormal"><span style="color:black">Where do you want the crates to be returned?</span></p>
</div>
<div>
<p class="x_MsoNormal"><span style="color:black"> </span></p>
</div>
<div>
<p class="x_MsoNormal"><span style="color:black">Regards,</span></p>
</div>
<div>
<p class="x_MsoNormal"><span style="color:black">Pablo</span></p>
</div>
<div>
<p class="x_MsoNormal"><span style="color:black"> </span></p>
</div>
<div>
<p class="x_MsoNormal"><span style="color:black"> </span></p>
</div>
<div>
<p class="x_MsoNormal"><span style="color:black"> </span></p>
</div>
<div class="x_MsoNormal" align="center" style="text-align:center">
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<div id="x_x_x_x_x_x_x_x_divRplyFwdMsg">
<p class="x_MsoNormal"><b><span style="font-size:11.0pt; font-family:"Calibri",sans-serif; color:black">From:</span></b><span style="font-size:11.0pt; font-family:"Calibri",sans-serif; color:black"> Ching Him Leung <cleung@jlab.org><br>
<b>Sent:</b> Tuesday, September 3, 2024 9:00 AM<br>
<b>To:</b> Pablo Campero Rojas <campero@jlab.org>; dsg-halla_gem@jlab.org <dsg-halla_gem@jlab.org><br>
<b>Subject:</b> Re: Crate status</span> </p>
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<p class="x_MsoNormal"> </p>
</div>
</div>
<div>
<p class="x_MsoNormal"><span style="color:black">Hi Pablo,</span></p>
</div>
<div>
<p class="x_MsoNormal"><span style="color:black"> </span></p>
</div>
<div>
<p class="x_MsoNormal"><span style="color:black">May I ask when could we get our crates back?</span></p>
</div>
<div>
<p class="x_MsoNormal"><span style="color:black"> </span></p>
</div>
<div>
<p class="x_MsoNormal"><span style="color:black">Thank you</span></p>
</div>
<div>
<p class="x_MsoNormal"><span style="color:black">Ching Him</span></p>
</div>
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<div id="x_x_x_x_x_x_x_x_x_divRplyFwdMsg">
<p class="x_MsoNormal"><b><span style="font-size:11.0pt; font-family:"Calibri",sans-serif; color:black">From:</span></b><span style="font-size:11.0pt; font-family:"Calibri",sans-serif; color:black"> Dsg-halla_gem <dsg-halla_gem-bounces@jlab.org> on behalf of
Holly Szumila-Vance via Dsg-halla_gem <dsg-halla_gem@jlab.org><br>
<b>Sent:</b> Wednesday, July 31, 2024 12:37 PM<br>
<b>To:</b> Pablo Campero Rojas <campero@jlab.org>; dsg-halla_gem@jlab.org <dsg-halla_gem@jlab.org><br>
<b>Subject:</b> Re: [Dsg-halla_gem] Crate status</span> </p>
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<p><span style="font-size:11.0pt; font-family:"Calibri",sans-serif">Hi Pablo,</span></p>
<p><span style="font-size:11.0pt; font-family:"Calibri",sans-serif"> </span></p>
<p><span style="font-size:11.0pt; font-family:"Calibri",sans-serif">I am slightly concerned about the crate observations. We had no problem with the good crate during running and had the epics values available the whole run. The “bad” crate could not generate
the epics pvs for the experiment and demonstrated a very different behavior than the crate we used even when we swapped in different cards from other crates. The problem was not an issue with the cards, as we observed.</span></p>
<p><span style="font-size:11.0pt; font-family:"Calibri",sans-serif"> </span></p>
<p><span style="font-size:11.0pt; font-family:"Calibri",sans-serif">-Holly</span></p>
<p><span style="font-size:11.0pt; font-family:"Calibri",sans-serif"> </span></p>
<div style="border:none; border-top:solid #B5C4DF 1.0pt; padding:3.0pt 0in 0in 0in">
<p><b><span style="font-family:"Calibri",sans-serif; color:black">From: </span></b><span style="font-family:"Calibri",sans-serif; color:black">Pablo Campero Rojas <campero@jlab.org><br>
<b>Date: </b>Wednesday, July 31, 2024 at 12:33 PM<br>
<b>To: </b>Holly Szumila-Vance <hszumila@jlab.org>, "dsg-halla_gem@jlab.org" <dsg-halla_gem@jlab.org><br>
<b>Subject: </b>Re: Crate status</span><span style="font-size:11.0pt; font-family:"Calibri",sans-serif"></span></p>
</div>
<p><span style="font-size:11.0pt; font-family:"Calibri",sans-serif"> </span></p>
<p><span style="color:black">Hello Holly,</span><span style="font-size:11.0pt; font-family:"Calibri",sans-serif"></span></p>
<p><span style="color:black"> </span><span style="font-size:11.0pt; font-family:"Calibri",sans-serif"></span></p>
<p><span style="color:black">From all the testing and troubleshooting performed, we believed that the inability to monitor the EPICS process variables for the A1515BTG boards was a problem related to the boards itself. We noticed that the EPICS PVs only were
available when one board was connected at the time, regardless of the crate to which (crates .136 or .135) they were connected.</span><span style="font-size:11.0pt; font-family:"Calibri",sans-serif"></span></p>
<p><span style="color:black"> </span><span style="font-size:11.0pt; font-family:"Calibri",sans-serif"></span></p>
<p><span style="color:black">The following tasks were done to troubleshoot the boards:</span><span style="font-size:11.0pt; font-family:"Calibri",sans-serif"></span></p>
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<li class="x_MsoNormal" style="color:black">Checked and ensured that the latest firmware version (1.6.6) was installed in the mainframe (crate .136)<span style="font-size:11.0pt; font-family:"Calibri",sans-serif"></span></li><li class="x_MsoNormal" style="color:black">Downloaded and upgraded HV Control firmware to recommended version 2.2.0 (crate .136)<span style="font-size:11.0pt; font-family:"Calibri",sans-serif"></span></li><li class="x_MsoNormal" style="color:black">Received firmware file to upgrade A1515BTG boards to recommended version 1.01 (installing one at the time in crate .136 and also tried on crate .135) but failed, now boards have no firmware installed.<span style="font-size:11.0pt; font-family:"Calibri",sans-serif"></span></li><li class="x_MsoNormal" style="color:black">Sent a report to CAEN technical support and they decided and authorized the return process for these two boards.<span style="font-size:11.0pt; font-family:"Calibri",sans-serif"></span></li></ul>
<p><span style="color:black">I'm in the process of completing the forms sent by CAEN to generate the RMA number to send the boards for repair as agreed.</span><span style="font-size:11.0pt; font-family:"Calibri",sans-serif"></span></p>
<p><span style="color:black"> </span><span style="font-size:11.0pt; font-family:"Calibri",sans-serif"></span></p>
<p><span style="color:black">In the meantime, I planning to start testing the A1515BTG board (PID 23962), this is the last board that I picked up with the reported voltage output monitoring issues, but first we (DSG) will discuss the details of our plan to
test it in our control room and comply with all safety requirements. </span><span style="font-size:11.0pt; font-family:"Calibri",sans-serif"></span></p>
<p><span style="color:black"> </span><span style="font-size:11.0pt; font-family:"Calibri",sans-serif"></span></p>
<p><span style="color:black">Regards,</span><span style="font-size:11.0pt; font-family:"Calibri",sans-serif"></span></p>
<p><span style="color:black">Pablo </span><span style="font-size:11.0pt; font-family:"Calibri",sans-serif"></span></p>
<p><span style="color:black"> </span><span style="font-size:11.0pt; font-family:"Calibri",sans-serif"></span></p>
<p><span style="color:black"> </span><span style="font-size:11.0pt; font-family:"Calibri",sans-serif"></span></p>
<p><span style="color:black"> </span><span style="font-size:11.0pt; font-family:"Calibri",sans-serif"></span></p>
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<p><b><span style="font-size:11.0pt; font-family:"Calibri",sans-serif; color:black">From:</span></b><span style="font-size:11.0pt; font-family:"Calibri",sans-serif; color:black"> Holly Szumila-Vance <hszumila@jlab.org><br>
<b>Sent:</b> Wednesday, July 31, 2024 11:16 AM<br>
<b>To:</b> Pablo Campero Rojas <campero@jlab.org><br>
<b>Subject:</b> Crate status</span><span style="font-size:11.0pt; font-family:"Calibri",sans-serif"></span></p>
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<p><span style="font-size:11.0pt; font-family:"Calibri",sans-serif">Hi Pablo,</span><span style="font-family:"Calibri",sans-serif"></span></p>
<p><span style="font-size:11.0pt; font-family:"Calibri",sans-serif"> </span><span style="font-family:"Calibri",sans-serif"></span></p>
<p><span style="font-size:11.0pt; font-family:"Calibri",sans-serif">What is the status on the crate? I am curious how that is going.</span><span style="font-family:"Calibri",sans-serif"></span></p>
<p><span style="font-size:11.0pt; font-family:"Calibri",sans-serif"> </span><span style="font-family:"Calibri",sans-serif"></span></p>
<p><span style="font-size:11.0pt; font-family:"Calibri",sans-serif">Thanks,</span><span style="font-family:"Calibri",sans-serif"></span></p>
<p><span style="font-size:11.0pt; font-family:"Calibri",sans-serif">Holly</span><span style="font-family:"Calibri",sans-serif"></span></p>
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