05000336/LER-1980-021, Forwards LER 80-021/03L-0

Forwards LER 80-021/03L-0

ML19323H058
Person / Time
Site:	Millstone
Issue date:	06/04/1980
From:	Mroczka E NORTHEAST NUCLEAR ENERGY CO.
To:	Grier B NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I)
Shared Package
ML19323H059	List: 05000336/LER-1980-021, Forwards LER 80-021/03L-0 05000336/LER-1980-021-03, /03L-0:on 800506,during Routine Testing to Prove Diesel operability,13U Diesel Generator Breaker Closed After Manual Opening.Caused by Loose Bolt in Generator Spring Charging Sys Causing Latch to Fail.Bolt Tightened
References
MP-2-4412, NUDOCS 8006110248
Download: ML19323H058 (1)

LER-1980-021, Forwards LER 80-021/03L-0

Event date:
Report date:
3361980021R00 - NRC Website

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.P June 4, 1980 f1P-2-4412 Mr. Boyce H. Grier Director, Region I Office of Inspection and Enforcement U. S. Nuclear Regulatory Commission 631 Park Av.nue King of Prussia, Pennsylvania 19406

Reference:

Facility Operating License No. DPR-65 Docket No. 50-336 Reportable Occurrence R0-50-336/80-21/3L-0

Dear Mr. Grier:

This letter forwards Licensee Event Report 80-21/3L-0 required to be submitted within thirty days pursuant to Millstone Unit 2 Appendix A Technical Specifications, Section 6.9.1.9.b, conditions leading to operation in a degraded mode pennitted by a limiting condition for operation. An additional three copies of the report are enclosed.

i Yours truly, NORTHEAST NUCLEAR ENERGY COMPANY j

/h#A E.

. Mroczka Station Superintendent Millstone Nuclear Pc.<er Station EJM/EF:lls

Attachment:

LER 80-21/3L-0 Director, Office of Inspection and Enforcement, Washington, cc:

D.C. (30)

Director, Office of Management Infonnation and Program Control, Washir.gton, D.C.

(3)

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

20555 8066110248