Drop Sample Data From SPC
This functionality of LIMS can be used when a root cause has been identified as a special cause variation. It can also be utilized for batches which are manufactured outside of the parameters of the normal process. Once a single parameter is dropped form SPC following the directions below the entire sample is dropped, meaning you don't need to drop every parameter. Here are the conditions necessary to drop an sample from SPC:
- You can only drop a sample from SPC after it has been Approved or Failed.
- You must be on the latest bulk lot, not on the sample itself to drop it
1.0 Locate and Navigate To The Latest Lot Number of the Bulk
From LIMS home screen following these steps to locate the lot number:
1. Hover your mouse over "Sample Manager"
2. Click on "Find Sample (Work Orders, ETC...)
1.1 Locate The Necessary Lot Number
1. Type in the appropriate lot number or sampleID
2. Click on the Sherlock icon to search
1.2 Drill down to open the record
1. Click on the checkbox next to your lot (select the lot)
2. Press the magnifying glass icon to drill down into this sample
The red box indicates the lot that needs to be dropped. Navigate to a lot which was manufactured after the lot that needs to be dropped.
2.0 Open SPC Graphs
Expand the "Results" section
2.1 Open SPC Graphs
Click on SPC Chart icon
3.0 Select The Lot To Be Dropped
To select the lot that needs to be dropped from SPC click on the data point.
Notice that on the x-axis the selected lot is underlined. You can also see selected lot in the statistical panel on the left of the graph. It's important to verify that you selected the correct data point.
4.0 Drop Data From SPC
NOTE: Only after the data point is selected you can proceed to dropping it.
Press the "Drop" button
4.1 Record The Reason
This text box will automatically pop-up and prompt you to record the reason.
This is important data that requires to be tracked. Please include a reason such as: Qual Batch, Root cause identified, Test sample into the text box.
Press "OK" after the reason is entered
5.0 To See Dropped Data Points On The Chart
1. Click on the "Show Dropped?" check box
2. Click on the "Refresh" button
5.1 View Dropped Points
Note the point is shown along with the reason for drop.
6.0 Un-drop a Sample
1. Select the data point. Make sure you selected correct lot.
2. Click on "Un-drop" button
7.0 SPC Drop Report
http://labs.us.cksnnet.com/default.aspx
1. From Sharepoint Home Page navigate to "Americas" tab
2. Click on "West Haven"
3. Click on "Engineering Reports" folder
4. Click on "SPC Drop Information" Report
7.1 SPC Drop Report
1. Select the Start Date of the date range in which your dropped sample was manufactured
2. Select the End Date of the date range in which your dropped sample was manufactured
3. Click "Submit"
Report output shows the "SPC Drop Justification"
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