04:21:53 Reactor Coolant Makeup Pump B (MU-P-1B) was started. (0818:30) 04:26:59 Reactor Coolant Makeup Pump C (MU-P-1C) was started, tripped, (0827:36) Approximate and was restarted. 04:30:00 The Electromatic Re1ief Block Valve (RC-V2) was shut. (0830:37) Approximate 04:30:45 Condenser Vacuum Pumps 1A and 1C (VA-P-1A and VA-P-1C) were (0831:22) stopped and vacuum was broken. 04:30:45 Power Operated Emergency Main Steam Dump Valve (MS-V3A) was opened. (0831:22) Approximate 04:54:00 The Electromatic Relief Block Valve (RC-V2) was opened. (0854:37) Approximate 05:18:00 The E1ectromatic Relief Block Valve (RC-V2) was shut. (0918:37) 05:54:00 Operator commenced filling Steam Generator A to 99% on the Operating (0954:37) Approximate Range instrumentation. 07:30:00 Electromatic Relief Block Valve (RC-V2) and the Pressurizer Spray (1130:37) Approximate Valve (RC-V1) were opened. 08:l1:26 Core Flood Tank A high level alarm was received. (1212:03) 08:30:00 Power Operated Emergency Main Steam Dump Valve (MS-V3A) was shut. (1230:37)- 11 -