05000245/LER-1981-010, Forwards LER 81-010/03L-0

Forwards LER 81-010/03L-0

ML20004F347
Person / Time
Site:	Millstone
Issue date:	06/12/1981
From:	Mroczka E NORTHEAST UTILITIES
To:	Grier B NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I)
Shared Package
ML20004F348	List: 05000245/LER-1981-010, Forwards LER 81-010/03L-0 05000245/LER-1981-010-03, /03L-0:on 810515,differential Pressure Switches in Break Detection Logic Sys Were Found to Trip Outside Required Setpoint Range.Caused by Setpoint Drift.Switches Adjusted.Surveillance Frequency Temporarily Increased
References
MP-1-1793, NUDOCS 8106180200
Download: ML20004F347 (1)

LER-1981-010, Forwards LER 81-010/03L-0

Event date:
Report date:
2451981010R00 - NRC Website

text

.

. ~. :.

s.

3, KURTEi!!il.EiT UT[E.!.TE[ifi fff,hhk fh S~ * * '

_ss::===:= 't h 9BP T4 b3g-eg \\

-$M June 12, 1981

\\C o.s. M g MP-1-1793 g

'6 /]T46 14r. Boyce H. Grier Director, Region I Office of Inspection and Enforcement U.S. Nuclear Regulatory Commission 631 Park Avenue King of Prussia, Pennsylvania 19406

Reference:

Provisional License DPR-21 Docket No. 50-245 Reportable Occurrence R0-81-10/3L

Dear 14r. Grier:

This letter forwards'the Licensee Event Report for Reportable Occurrence

~

R0-81-10/3L required to be submitted within 30 days pursuant to the requirements of. the liillstone Unit 3 Technical Specifications, Section 6.9.1.9.a.

An additional three copies of the report are enclosed.

Yours truly,

!;0RTHEAST NUCLEAR Ei1ERGY COMPAN bh4 Os E.. Mroczka Station Superintendent EJM/MJB:bjo

Attachment:

LER R0-81-10/3L cc: Director, Office of Inspection and Enforcement, Washington, D.C. (30)

Director, Office of Management Information and Program Control, Washington, D.C.

(3)

U.S. Nuclear Regulatory Commission, c/o Document Management Branch, Washington, D.C.

20555 81.06 16 0 hoo a

y