ML20148G581
| ML20148G581 | |
| Person / Time | |
|---|---|
| Site: | Oyster Creek |
| Issue date: | 11/05/1980 |
| From: | JERSEY CENTRAL POWER & LIGHT CO. |
| To: | |
| References | |
| RO-80-049-01P, RO-80-49-1P, NUDOCS 8011120516 | |
| Download: ML20148G581 (2) | |
Text
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1.icense Event Report
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.- i Reportable Occurrence No. 50-219/BO-49/IP'
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~ U Ed November 5, 1980 Ident5McutSam est occurrence Degradstias of the reactor coolan*
. essure bowntary and primary containment uhem t:be Isolation Condenser vent uslation valves (Y-14-1 and V-14-19) for Isolatfoe Condenser "B" were suspected to have failed to close and also operation le a degraded ande as per Technical Specifications section 3.8.C.
This event is considered to be a reporr.able occunw as defined fa the Technical Speci fications, paragraph 6.9.2.a.(3) and 6.9.2.b.(2).
Ce4itions Prfor to Occurrence
'3he ytant s aparating at str.ady stite power.
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Plant parameters at the time of occurrence were:
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Core 1737 Mit Doctricai 535 late i
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Recirculation 14 6 x 10 gym
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. Feedmater 5.9 x 100 lb/hr Bescripeten of Ccc.i.. ce, i
l On lindnesday November 5,1980, at about 1400 hours0.0162 days <br />0.389 hours <br />0.00231 weeks <br />5.327e-4 months <br />, while removing Isolation
- rm4me,e T from service to repair a steen leak on vest isolation valve Y ! 19. vest festation velves Y-14-1 and Y-14-19 for the condenser failed to close l Oty the waive posittom fadication) when operated from the control nam.
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Apparent cause of Occurrence f
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actuation or on signals which close the MSIV's. Failure of' these valves to close would have resulted.in a degradation of the reactor coolant pressure i
boundary and primary containment.
Comeetfwe Action
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Condenser System "A" and then close the steam inlet valves to Isolation Condenser "B".
Ecflure Tuta a
Skinner Precision Industries Skinner /Uniflow Talve Division
,V4" Type 800 straight through valve Serial f*s 10DC (F-14-1) 18r5E (F-14-19)
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