ML19323C623

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Forwards LER 80-015/01T-0
ML19323C623
Person / Time
Site: Prairie Island Xcel Energy icon.png
Issue date: 05/13/1980
From: Mayer L
NORTHERN STATES POWER CO.
To: James Keppler
NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION III)
Shared Package
ML19323C624 List:
References
NUDOCS 8005160401
Download: ML19323C623 (1)


Text

__ _ _ _

800516040/

NSIS NORTHERN STATES POWER COMPANY ,

9 MIN N E A PO LI S. MIN N E SOTA 5 5409 May 13, 1980 Mr J G Keppler Of fice of Inspection & Enforcement U S Nuclear Regulatory Commission 799 Roosevelt Road Glen Ellyn, IL 60137

Dear Mr Keppler:

PRAIRIE ISLAND NUCLEAR GENERATING PLANT Docket No. 50-282 License No. DPR-42 Excessive Leakage through Containment Maintenance Airlock Inner Door Measured During Surveillance Test The Licensee Event Report for this occurrence is reproduced on the back of this letter. Enclosed are three copies.

This event is reported in compliance with Technical Specification 6.7.B.l(c) in that it represents a suspected degradation of an air lock door seal in excess of the maximum leakage permitted by Technical Specification 4.4.A.5.c. The other door remained fully operable and leak tight.

Yours very truly, D A n L 0 Mayer, PE A( -

Manager of Nuclear Support Services LOM/DMM/ak cc: Director, IE, USNRC (40)

Director, MIPC, USNRC (3)

MPCA Attn: J W Ferman

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