ML17266A434

LER 81-011/03L-0:on 810226,containment Radiation Monitor Channel a Setpoint Exceeded Tech Spec Limits.Caused by Trip Bistable Setpoint Drift.Setpoint Readjusted

ML17266A434
Person / Time
Site:	Saint Lucie
Issue date:	03/27/1981
From:	Simmons K FLORIDA POWER & LIGHT CO.
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II)
Shared Package
ML17209A924	List: ML17209A923 ML17266A434
References
LER-81-011-03L, LER-81-11-3L, NUDOCS 8104130396
Download: ML17266A434 (2)

Text

NRC FORM 388 UN S NUCLEAR RKCULATORY COMMISSION l7.77 I LtCENSEE EVENT REPORT CONTROL 3LOCK: I I I Ql tPLEASK PRINT OR TYPE AI.L RKOUIRGD INFORMATIONI I

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"'*, ~LR 84 61 0 5 0 0 0 COCiCET )IUM8 SR 3 3 5 o8 Os~02 cVENT 59 2 6 QAT8 I ZIQ0 74 75 REPORT OATS Q9 EVENT DESCRIPTION ANO PROSAGLK CONSKCU&VCKS QIQ Q Ourin a monthl surv i containment radiation monitor channel A was found less conservative than required by T.S. 3.3.2.1. The setpoint had changed to 16.04 ma vice an allowable upper limit of 16.00 ma. Three (3) redundant channels were available (one in trip - LER 80-68). The setpoint was adjusted to '

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15<<96 ma; A .04 conservatism with respect to T.S. Health and Safety of 7 8 9 Public not affected. Third event of this t e see LER's 76-17 and 77-25.

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