td12 needs large torques to move. Jack to be replaced


   Td 12 stopped moving on 18apr12 around 20:00. The error was cmdSpdErr and foldback.

When foldback and cmdSpdErr happen there is usually a real problem. The jack is not able to move at the requested speed because too much torque is required.

Plots were made of the tiedown data from 01mar12 thru 19apr12 to see if any patterns existed.


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