ML20136B889
| ML20136B889 | |
| Person / Time | |
|---|---|
| Site: | Byron  |
| Issue date: | 07/31/1985 |
| From: | COMMONWEALTH EDISON CO. |
| To: | |
| Shared Package | |
| ML20136B874 | List: |
| References | |
| (0625M), (625M), NUDOCS 8511200310 | |
| Download: ML20136B889 (1) | |
Text
_ _ _ _
cPla:c's ins':rt this table in the July 1985 r port R; port Period July 1985 UNIT SHUTDOWNS / REDUCTIONS BYRON No.
Date Type Hours Reason Method LER Number System Component Cause & Corrective Action to Prevent Recurrence
- 20) 7/1/85 S
171.8 A 4
Continued scheduled outage from 6/27/85.
- 21) 7/8/85 F
17.7 A
2 A manual. turbine trip was initiated at 8*4 Reactor Power due to misalignment of control rod P-8.
A reactor trip resulted.
- 22) 7/12/85 F
13.4 B
3 The reactor tripped during performance of the 50% load rejection test.
- 23) 7/13/85 P
239.7 A 3
The reactor tripped due to high negative flux rate which was caused by lightning.
- 24) 7/27/85 S
100.0 B 2
100% Reactor Trip Startup Test.
ococ*e*********
Byron 1 is continuing in its 100% Power Test Sequence.
Summary cocooce********
TYPE Reason Method System & Component F-Forced A-Equip Failure F-Admin 1-Manual Exhibit F & H S-Sch d B-Maint or Test G-Oper Error 2-Manual Scram Instructions for C-Refueling H-Other 3-Auto Scram Preparation of D-Regulatory Restriction 4-Continued Data Entry Sheet E-Operator Training 5-Reduced Load Licensee Event Report
& License Examination 9-Other (LER) File (NUREG-0161; 8511200310 351109 (0625M)
PDR ADOCK O 4
R