Text

Interim Deficiency Rept CP-89-013 Re Potential for MSIVs to Reopen After Initial Closure.Initially Reported on 890503. Further Evaluation Required to Establish Safety Significance of Deficiency.Next Rept Expected Prior to Unit 1 Fuel Load
	ML20247N770
Person / Time
Site:	Comanche Peak
Issue date:	06/02/1989
From:	William Cahill, Walker R; TEXAS UTILITIES ELECTRIC CO. (TU ELECTRIC)
To:	; NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
References
	CP-89-013, CP-89-13, TXX-89360, NUDOCS 8906060020
	Download: ML20247N770 (1)
	v • d • e

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1UELECTRIC June 2, 1989 Wihm J.CabiH Jr.

Executive Vice President

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U. S. Nuclear' Regulatory Commission l

Attn: Document Control Desk j

20555

SUBJECT:

COMANCHE PEAK STEAM ELECTRIC STATION (CPSES)

DOCKET NOS. 50-445 AND 50-446 i

ASCO SOLEN 0 IDS FOR MAIN STEAM' ISOLATION VALVES SDAR: CP-89-013 (INTERIM REPORT)

Gentlemen:

I 0n'May.3, 1989. TU Electric verbally notified the NRC of a potentially-

reportable deficiency involving the potential for the Main Steam Isolation i

Valves (MSIVs).to reopen after. initial closure. This is an interim report of a potentially reportable item under the provisions of 10CFR50.55(e).

Further. evaluation' is required to establish' the safety significance of this

. deficiency. The next report will be issued prior to Unit 1 fuel load.

Sincerely.

Y f-ha.

William J. Cahill, Jr.

By:

ofA Roger'D. Walker Manager, Nuclear Licensing VPC/ddm c - Mr. R. D. Martin, Region IV Resident Inspectors, CPSES (3) 8906060020 890602

'PDR ADOCK 05000445

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/s 400 North Olive Street LBB1 Dallas, Texas 75201

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