ML19242B488

LER 79-017/03L-0 on 790620:during Review,Observed That Surveillance Procedure 6.2.4.1 Did Not Include Daily Check of Undervoltage Relays or Monthly Functional Testing. Cause Unstated.Procedures Revised

ML19242B488
Person / Time
Site:	Cooper
Issue date:	07/19/1979
From:	Bednar L NEBRASKA PUBLIC POWER DISTRICT
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION IV)
Shared Package
ML19242B485	List: ML19242B484 ML19242B488
References
LER-79-017-03L, LER-79-17-3L, NUDOCS 7908080602
Download: ML19242B488 (1)

Text

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NRC FORM 366 U. S. NUCLEAR REGULATORY COMMISSION (7-77)

UCENSU EVENT REPORT CONTROL BLOCK: l l l } l lh (PLE ASE PRIN' OR TYPE ALL REQUIRED INFORMATIONI O i N l LECENSEE l C CODE l P l R l 1 l@l 0 l 0 l - lUCENSE 14 15 0 l 0NLMSER0l0t- l0 0 l 023l@l2ti 4 l1LICENSE l1 l1TYPE1 Jo @l57 m lA t 56l@

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REPORT D ATE 40 l d t>0 NUVBER EVENT DESCRIPTICN AND PROB ABLE CONSECUENCES h o 21 puring a revie4 it was observed that Surveillance Procedure 6.2.2.1.10 did not inclub g3 ponthly functional testing and Surveillance Procedure 6.2.4.1 did not include a daily l 0 E pheck of six (6) undervoltage relays as required by Tech. Spec. Table 4.2.B, Item 19.

I o s frevious to a recent Tech. Spec. change, the relays were tested once/ cycle with another[

o g procedure. The increased test frequencies were inadvertenCly omitted from the scnthly I oj7 pnd daily test procedures. A backup set of undervoltage relays was operable and tested l

g 3 properly. There was no effect en the public health and safety. 80 1

7 s9 3YSTE M CAUSE CAUSE C OV P. VAL'E CCOE COOE SLBCCDE COUPONENTCODE St:BCCOE SUSCCCE

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l@ lZ l9 l9 l9 lg A4 47 CAUSE DESCRIPTION AND CORRECTIVE ACTIONS i oi [urveillance Procedure 6.2.2.1.10 did not include conDiv functional testinc of loss ofI i 1 koltage relavs. Surveillance Procedure 6.2.4.1 did not i nc i nh , d ,41 - <A 4 na tocc e .1

, 2 troltage relays listed in Technical Suecifica.tions 4.uB. Item '9. Both Surveill,nce I ii 3 Procedures were revised to include the subiect Tachnical Sueciti ation requirements I g bnd the recuired tests and daily checks were cerformed. 30 I

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'6PCWER OTHka STATUS C ' Y OlSCOVERY DESCRIPTION ST S 1 5 U@ lC l9 l5 l@l NA l B l@l Periodic Review of Procedures l ACTIVITY CONTENT RELEASED OF aELE ASE AMOUNT OF ACTIVITY LXATION OF REL E ASE i e L;;.]@ LZ_j@l n i i NA i 7 8 9 10 tt 44 45 80 PERSONNEL EXPOSURES NUV9E R TYPE CESCRIPTN N '

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