ML20117G283

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Forwards LER Re Automatic Unit 1 Reactor Scram,Rps Actuation Caused by High Neutron Flux Following FW Heater String Isolations, & non-compliance W/Requirements of License NPF-39,Condition 2.C.1. Re Exceeding Max Power Level
ML20117G283
Person / Time
Site: Limerick 
Issue date: 08/26/1996
From: Boyce R
PECO ENERGY CO., (FORMERLY PHILADELPHIA ELECTRIC
To:
NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
Shared Package
ML20117G286 List:
References
NUDOCS 9609050097
Download: ML20117G283 (1)


Text

'

1 Robert W.Boyc3 i

Plant Manager i

Limerick Generaung Station j

V PECO NUCLEAR ncO ene,gv c-v Limerick Generating Station A Unit of PECO Energy PO Box 2300 Sanatoga, PA 194644920 610 718 2000 10CFR50.73 i

August 26, 1996 l

Docket No. 50-352 j

License No. NPF-39 U.S. Nuclear Regulatory Commission Attn:

Document Control Desk Washington, DC 20555 l

SUBJECT:

- Licensee Event Reoort Limerick Generatino i*tation - Unit 1 This LER reports an automatic Unit 1 reactor scram, a i

Reactor Protection System (RPS) actuation, caused by high neutron flux following feedwater heater string isolations l

during a plant transient initiated by a main turbine j

electrohydraulic control system malfunction.

This LER also reports a non-compliance with the requirements of Facility

[

Operating License NPF-39, Condition 2.C.1 in that the Unit 1

(

maximum power level of 100 percent was exceeded by approximately 7.5 percent during the transient.

J

Reference:

Docket No. 50-352 f

Report Number:

1-96-016 Revision Number:

00 Event Date:

July 25, 1996 l

l Report Date:

August 26, 1996 f

Facility:

Limerick Generating Station P.O. Box 2300, Sanatoga, PA 19464-2300 l

This LER is being submitted pursuant to the requirements of 10CFR50.73 (a) (2) (iv), and License Condition 2.F, which requires & 30-day written followup report.

Very truly yours, j

I cc:

H. J. Miller, Administrator Region I, USNRC j

N.,S.

Perry, USNRC Senior Resident Inspector, LGS 4

9609050097 960826

"[h22 PDR ADOCK 05000352 S

PDR

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