05000336/LER-1981-020, Forwards LER 81-020/01T-0

Forwards LER 81-020/01T-0

ML20009A643
Person / Time
Site:	Millstone
Issue date:	06/30/1981
From:	Mroczka E NORTHEAST NUCLEAR ENERGY CO.
To:	Grier B NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I)
Shared Package
ML20009A644	List: 05000336/LER-1981-020, Forwards LER 81-020/01T-0 05000336/LER-1981-020-01, /01T-0:on 810616,2 1/2 Inch Fittings Between 4-inch Pressurizer Safety Valve Inlet Lines & Safety Valves Found within Allowable Limits.Reduced Inlet Pipe Reduces Valve Discharge Capacity.No Substantial Hazard Constituted
References
MP-2-4825, NUDOCS 8107130420
Download: ML20009A643 (1)

LER-1981-020, Forwards LER 81-020/01T-0

Event date:
Report date:
3361981020R00 - NRC Website

text

f 9

NORTHEAST IITIIJTIES 1

l C

h0NNECTICUT 0 t <L = = = =

June 30, 1981 MP-2-4825 Mr. 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:

Facility Operating License No. DPR-65 Docket No. 50-336 Reportable Occurrence 50-336/81-20/lT-0

Dear Mr. Grier:

This letter forwards Licensee Event Report 81-20/1T-0 required to be submitted within 14 days pursuant to Millstone Unit 2 Technical Specifications, Section 6.9.1.8.h, erro s discovered in the accident analysis that could have permitted operation in a manner less conservative than assumed in the analysis.

An additional two copies of the report are enclosed.

Yours truly k' S,p NORTHEAST NUCLEAR ENERGY COMPANY JAe

$ "L @

E

\\

N 79 E

. Mroczka J

S:%

t, Station Superintendent Millstone Nuclear Power Station

% gqg JF0/JDB:kew

)

Attachment:

LER 81-20/lT-0 Director, Office of Inspection and Enforcement, Washington, D. C. (40) cc:

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

.I 810713o420 810630 DR ADCCK 05000336

$,f PDR