Ed, Jeff K

ITMX and ITMY PUM driver chassis had the monitor boards switched out as per ECR E1900049.

• Both affected suspensions were taken to "SAFE" prior to work
• Both ISI's were put in "DAMPING" - to keep watchdogs from tripping while suspension was undamped.
• All cables were identified and power switches were turned off prior to disconnect and removal
• Both chassis were power tested on the bench before re-install
• Both chassis were sucessfully re-installed without incident