05000331/LER-1981-021, Forwards Updated LER 81-021/03X-1

Forwards Updated LER 81-021/03X-1

ML20064P077
Person / Time
Site:	Duane Arnold
Issue date:	09/07/1982
From:	Mineck D IES UTILITIES INC., (FORMERLY IOWA ELECTRIC LIGHT
To:	James Keppler NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION III)
Shared Package
ML20064P080	List: 05000331/LER-1981-021, Forwards Updated LER 81-021/03X-1 05000331/LER-1981-021-03, During Reactor Startup, Suppression Chamber to Drywell Vacuum Breaker Valve Cv 4237H Did Not Close After Torus Inerting.Caused by Pneumatic Cylinder Piston Sticking in mid-position
References
DAEC-82-609, NUDOCS 8209130096
Download: ML20064P077 (1)

LER-1981-021, Forwards Updated LER 81-021/03X-1

Event date:
Report date:
3311981021R00 - NRC Website

text

,_

Iowa lilectric 1.ight anti Iber Company September 7, 1982 DAEC-82-609 Mr. James G. Keppler Regional Administrator i

Region III 4

U. S. Nuclear Regulatory Commission 799 Roosevelt Road Glen Ellyn, IL 60137 a

Subject: Licensee Event Report No.81-021 UPDATE REPORT:

l (30 day)

Previous Report Date 7/1/81 File: A-118a, TE-2

Dear Mr. Keppler:

In accordance with Appendix A to Operating License DPR-49, Technical Specifications and Bases for Duane Arnold Energy Center and Regulatory Guide 10.1, please find attached a copy of the subject Licensee Event Report.

Very truly yours, N

p Daniel L. Mineck Plant Superintendent - Nuclear Duane Arnold Energy Center DLM/WMB/pl Docket 50-331 attachment cc:

Document Control Desk U. S. Nuclear Regulatory Comission Washington, D. C.

20555 NRC Resident Inspector - DAEC i

l 8209130096 820907

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