05000289/LER-1980-006, Forwards LER 80-006/01T-0

Forwards LER 80-006/01T-0

ML19305E331
Person / Time
Site:	Crane
Issue date:	04/08/1980
From:	Herbein J METROPOLITAN EDISON CO.
To:	Grier B NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I)
Shared Package
ML19305E332	List: 05000289/LER-1980-006, Forwards LER 80-006/01T-0 05000289/LER-1980-006-01, /01T-0:on 800325,during Periodic Reactor Bldg Local Leak Rate Testing,Containment Isolation Valve RB-V7 Had Excessive Leakage.Cause Suspected to Be Seat Damage. Improved Valve Placed on Order
References
TLL-159, NUDOCS 8004230406
Download: ML19305E331 (1)

LER-1980-006, Forwards LER 80-006/01T-0

Event date:
Report date:
2891980006R00 - NRC Website

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Metropolitan Edison Company Post Office Box 480 gj' Middletown, Pennsylvania 17057 717 944-4041 Writer's oirect Dial Numoer April 8, 1980 TLL 159 Office of Inspection and Enforcement Attn:

B. H. Grier, Director Region I U. S. Nuclear Regulatory Comission 631 Park Avenue King of Prussia, Pa.

19406

Dear Sir:

Three Mile Island Nuclear Station, Unit I (TMI-1)

Operating License No. DPR-50 Docket No. 50-289 LER 80-006/01T-0 Attached please find Licensee Event Report (LER) 80-006/0lT-0 concerning reactor building local leak rate test of valve RB-V7. is the LER form and attachment 2 is the narrative report of the occurrence. This event is considered reportable under Technical Specification 6.9.2.a.9 and 10 CFR 50 Appendix J.

Sincerely, s

A J. G. Herbein Vice President Nuclear Operations JGH:LWH: hah cc:

J. T. Collins Metreces:an Ec: son Cemeany is a Memter et :re General Puche U:N:es Sys:em U Q[p 8004230 i k