ML20038B938

LER 81-006/03L-0:on 811103,daily Channel Check on Plant Vent Flow Recorder Not Performed.Caused by Operator & Reviewer Failure to Note Step on Checklist.Operators Instructed & Procedure Simplified

ML20038B938
Person / Time
Site:	Diablo Canyon
Issue date:	12/02/1981
From:	Kaefer W PACIFIC GAS & ELECTRIC CO.
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION IV)
Shared Package
ML20038B933	List: ML20038B932 ML20038B938
References
LER-81-006-03L, LER-81-6-3L, NUDOCS 8112090333
Download: ML20038B938 (2)

Text

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EVENT DEscalPTiON AND PROB A9tt CONSEQUENCES bo Eg] l Prior to fuel load, during routTne surveillance testing, an operator ,

gi failed to perform the procedure step for the Daily Chanr.el Check on the ,

EE) I Plant Vent Flow Recorder (FR-12). Vent flow was estimated within 24 i ,

EE) I hours as required by the Action Statement. (Action 51 of Table 3.3-13 i s i of Tech. Spec.) This event in no way affecte, nuhlic haalth and safe +v. I gi Reportable per Technical Specification 6.9.1.13.b. This channel i g, check is required by Tech. Spec. Section 4.3.3.10. i

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CAUSE Of 5CRIPTION AND CORRECMVE ACTIONS h i o I The Channel Check was performed at 1500 hrs. on 11/3/81, which was 38

, , i hours, 15 minutes since the last check. The recorder shcwed that flow i

,2 1 measurement was acceptable over the previous 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br />. Operator and i

,, i reviewer inadvertently overlooked a step on the test checklist. Check i EE) I liit did not clearly identify applicability of (continuina on attchmt.) r

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_Cause Description and Corrective Actions '(Item-27_) Jcont. -s s ~

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g steps required in present mode (prior to fuel load). The operators were ,-,

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completeness. -In- addition, to aid in preventin~g a recurrence, :the. procedure .

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