ML19273B440
Jump to navigation
Jump to search
| ML19273B440 | |
| Person / Time | |
|---|---|
| Site: | Sequoyah  |
| Issue date: | 03/14/1979 |
| From: | TENNESSEE VALLEY AUTHORITY |
| To: | |
| Shared Package | |
| ML19273B439 | List: |
| References | |
| NUDOCS 7904060359 | |
| Download: ML19273B440 (1) | |
Text
_ -__
ENCLOSURE SEnUOYAH NitCLEAR PLANT UNITS 1 AND 2 CONTFOL LOOP BISTABLES FAIL TO UNDESIRABLE POSITION ON LOSS OF COMTROL POMEP NCR MEB 79-10 FIRST INTERIM REPORT Descrintion of Deficiency Bistables associated with certain control loops in the Auxiliary Control Room have been found to fail in an undesirable position on loss of control power. This was due to an error in the viring of the instrumentation.
The problem does not exist in the Main Control Room instrumentation.
Interin Proeress The problem has been identified and the Electrical Engineering Branch and the Seouovah-Watts Bar Project are jointiv reviewinn the Auxiliary Control Room instrumentation for other instat.ces of this problem.
VSO406D559
__