ML20107K323

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V 2 for LGS Unit 1 Re Loss of Safety Function of Control Room Emergency Fresh Air Sys Resulting in Operating Conditions Prohibited by TSs
ML20107K323
Person / Time
Site: Limerick 
Issue date: 04/19/1996
From: Boyce R
PECO ENERGY CO., (FORMERLY PHILADELPHIA ELECTRIC
To:
NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
Shared Package
ML20107K326 List:
References
NUDOCS 9604260105
Download: ML20107K323 (1)


Text

.

Robert W.Boyce Plant Manager Ltmerick Geraratog Station

dv PECO NUCLEAR nc0 %, c-v Limerick Generatire Station A Unit of PECO Energy PO Box 2300 Sanatoga, PA 194644920 610 718 2000 10CFR50.73 l

a April 19, 1996 j

Docket Nos. 50-352 50-353 License Nos. NPF-39 NPF-85 U.S.-Nuclear Regulatory Commission Attn:

' Document Control Desk Washington, DC 20555

SUBJECT:

Licensee Event Reoort Limerick Generatina Station - Units 1 and 2 This'LER reports multiple instances of the loss of the safety function of the Control Room Emergency Fresh Air System (CREFAS) resulting in operating conditions prohibited by Technical Specifications.

In addition, the automatic start feature of the i

back up CREFAS subsystem was not always available during these events resulting in operation outside of the design basis.

Reference:

Docket Nos. 50-352 50-353 Report Number:

1-96-006 Revision Number:

02 Event Dates:

August 26, 1984 g

June 22, 1989 February 07, 1996 February 18, 1996 February 23, 1996 February 28, 1996 Report Date:

April 19, 1996 J

Facility:

Limerick Generating Station P.O. Box 2300, Sanatoga, PA l

19464-2300 This LER is being submitted pursuant to the requirements of i

10CFR50.73 (a) (2) (1) (B) and 10CFR50.73 (a) (2) (ii) (B).

This

)

-revision provides the cause and corrective actions for these j

events.

Changes _are indicated by a revision bar in the left hand I

margin.

/VY '" Y P"*Y 260026 h he p

DB :cah cc:

T. T. Martin, Administrattr Region I,-USNRC N. S.--Perry, USNRC Senior Resident Inspector, LGS-fA 9604260105 960419 I t PDR ADOCK 05000352

)

g PDR

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