ML19339A810

LER 80-077/03L-0:on 800930,excessive Moisture in Sample Lines Prevented Chemical Personnel from Obtaining Representative Sample of Drywell Atmosphere.Caused by Condensation Accumulating in Lines & Saturating C-19

ML19339A810
Person / Time
Site:	Pilgrim
Issue date:	10/30/1980
From:	Mcloughlin M BOSTON EDISON CO.
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I)
Shared Package
ML19339A809	List: ML19339A808 ML19339A810
References
LER-80-077-03L, LER-80-77-3L, NUDOCS 8011050305
Download: ML19339A810 (1)

Text

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NRC, FORM 384

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68 69 EVENT D ATE 74 75 REPORT QATE 7 8 80 61 DOCK ET NUMSER EVENT DESc~tlPTION AND PROB A8LE CONSEQUENCES h Io l2l l On Sepsember 30, 1980 at approximatelv 0900 hours0.0104 days <br />0.25 hours <br />0.00149 weeks <br />3.4245e-4 months <br /> 'the Reactor Coolant Leak Detection l.

15 TTl I Air Sampling System (C-19) was declared inoperable. C-19 unit was isolated and removed l toi41 l from ser ice. Excessive moisture in the sample lines prevented chemical personnel l IoIsl l from obtaining a representative sample of the drvwell atmosphere. On October 3. 1980 l 10(6l l at approximately 1405 hours0.0163 days <br />0.39 hours <br />0.00232 weeks <br />5.346025e-4 months <br />, C-19 was returned to service. I 10171 l I-I o la i I 80 I

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41 bLj@ (J.j@ l N l , I n I s lh 33 34 36 40 42 43 44 47 CAUSE DESCRIPTION AND CORRECTIVE ACTIONS I i ( o 1 l Condensation accumulatine in the samnie lines and naturneing c 10 i< the enuca ns I i, i g l this event. To prevent recurrence, a maintenance request to install heat tracing 1

, , y on the various sample lines to which C-19 can be connected is planned. I litail I ii i4 i i I 7 8 9 80 STA  % PCwER OTHER STATUS 013 O Y OtSCOVERY DESCRIPTtON ,

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