Group Combustion Troubleshooting: FE-5 resumed the troubleshooting on the Group Combustion Experiment Module (GCEM). The crew removed the GCEM Combustion Chamber Element (CCE) from the Multi-Purpose Small Payload Rack (MSPR) rack and installed it on the Work Bench to verify the air supply line Quick Disconnect (QD) connections. FE-5 then reinstalled the Combustion Chamber and …









