ML20093K391

Automatic Reactor Protection Sys Actuation Resulted from Low Reactor Water Level

ML20093K391
Person / Time
Site:	Limerick
Issue date:	10/13/1995
From:	Boyce R PECO ENERGY CO., (FORMERLY PHILADELPHIA ELECTRIC
To:	NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
Shared Package
ML20093K395	List: 05000353/LER-1994-010, :on 941019,reactor Scram & Actuation of Various ESF Resulted from Relay Coil Failure & Inappropriate Action by Licensed Reactor Operator.Evaluated Normal to Alternate Power Supply Transfer Circuits ML20093K391
References
NUDOCS 9510240195
Download: ML20093K391 (1)

Text

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1 Plant Manager.

. Umerick Generating Staten -

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PEco Energy r'ompany,

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Umerick Genersk g Station PO Box 2300 Sanatoga. PA 19464 4020 215 3271200 Ext. 2000 -

r 10CFR 50.73' October 13, 1995 Docket No. 50-353-i' License No.-NPF-85 U.S., Nuclear'Reguinto;y Commission L

Attn:

Document Control Desk E

-Washington, DC 20555

SUBJECT:

Licensee Event Report Limerick Generatina Station - Unit 2 f

This~LER reports a Unit 2 reactor SCRAM, an automatic Reactor Protection System actuation resulting from low

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reactor water level, and automatic actuation of various

. Engineered Safety Features.

This event also resulted in the

. automatic actuation of the Reactor Core Isolation Cooling p

(RCIC) system and subsequent water injection as a result of

' low-low reactor water level.

The cause of the event was a relay coil failure combined with an inappropriate action by a licensed operator.

l

Reference:

Docket No. 50-353 Report Number:

2-94-010 0

Revision Number:

01

. Event Date:

October 19, 1994 l

Report.Date:

October 13, 1995 i4 Facility:-

Limerick Generating Station P.O. Box 2300, Sanatoga, PA 19464-2300 This revision provides the results of an analysis performed for.the N-relay coil failure addressed in this report.

The i

7 changes.are' indicated by revision'bar markers in the right hand-margins. -This LER is being submitted pursuant to the requirements-of 10CFR50.73(a)(2)(iv) and Technical Specifications (TS). Reporting Requirement 6.9.2, as required p

bylTS Action 3.7.3.

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Ve y truly. o s,

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KOS\\DMSicah cc:

T..T. Martik, Administrator Region I, USNRC N. S.. Perry, USNRC Senior Resident Inspector, LGS q

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