ML19341A733

LER 80-116/03L-0:on 801231,pressure Switch 2-E11-PS-N010A Actuated Outside Tech Spec Limits.Caused by Instrument Drift.Switch Recalibr

ML19341A733
Person / Time
Site:	Brunswick
Issue date:	01/23/1981
From:	Pastva M CAROLINA POWER & LIGHT CO.
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II)
Shared Package
ML19341A731	List: ML19341A730 ML19341A733
References
LER-80-116-03L, LER-80-116-3L, NUDOCS 8101270807
Download: ML19341A733 (1)

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6d 69 EVENT DATE 14 76 RSPORT DATE 80 7 8 60 61 DOCKET NUMBER EVENT DESCRIPTION AND PROBABLE CONSEQUENCES h g l During the performance of ADS High Drywell Pressure Channel Calibration and Functional]

l g ; Test, PT 11.1.4PC, 2-E11-PS-N010A, model no. D28-M18SS, actuated at 2.1 psig while f

fsTTl I the reportable limit is > 2.0 psig. All other pressure switches actuated within (377] , specifications. This event did not affect the health or safety of the public. l i

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43 44 47 33 35 CAUSE DESCRIPTION ANO CORRECTIVE ACTIONS h lThe pressure switch was out of calibration due to instrument drift. It was recali- .I i o I

g l brated according to the PT and returned to satisfactory operation. This instrument m l has a history of reliable operation; however, performance of other similar instruments l l

g l will be reviewed in accordance with their PT schedule to ensure there are no failure I

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7 2 O 8 9 ISSUE]8l Ls 10 ESCRIPTION 68 69 80. Z NAME OF PREPARER

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