Prerequisites for the T & R Module The Test & Repair is actually a separate OPTIONAL module, but has been included into the Defect Entry screen for ease of use for the operators. After activation, Work Order Shop Tracking, Defect Code Entry, and Test & Repair access for each user must be setup in the ManEx Security module.  Users with “supervisor’s rights” will automatically have access. To use Test & Repair Management module, Serial Numbering is REQUIRED.  This information is entered using the Work Order Management Serial Number Control module.