ML20081K170

Special Rept:On 950307,wind Speed & Direction for Channels a & B Disabled.Caused by Lightning Striking Meteorological Monitoring Tower.Lco 95-0254 Written to Document Event

ML20081K170
Person / Time
Site:	Grand Gulf
Issue date:	03/23/1995
From:	Hutchinson C ENTERGY OPERATIONS, INC.
To:	NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
References
GNRO-95-00032, GNRO-95-32, NUDOCS 9503290010
Download: ML20081K170 (2)

Text

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P dNTERGY

-4 Ent:rgy Oporttions,In3.

eo oc 750 Port Gibson MS 39150 l

Tel 601437 2800 C. R. Hutchinson vre %durd March 23, 1995 gg

' U.S. Nuclear Regulatory Commission Mail Station P1-137 Washington, D.C. 20555 Attention: Document Control Desk

SUBJECT:

Grand Gulf Nuclear Station Unit 1 Docket No. 50-416 License No. NPF-29 Special Report 95-001 l

Inoperable Wind Indicators l

GNRO-95/00032 Gentlemen:

On March 7,1995, during a lightning storm in the vicinity of Grand Gulf, an apparent lightning strike occurred on the Meteorological Monitoring Tower. This

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disabled wind speed and wind direction indicators for Channels A & B.

i LCO 95-0254 was writt.en on March 7,1995 at 0030 hours3.472222e-4 days <br />0.00833 hours <br />4.960317e-5 weeks <br />1.1415e-5 months <br /> to document this event. On March 14,1995 Channels A and B were unavailable for more than 7 days. In accordance with Technical Specification 3.3.7.3, this special report is being submitted.

On March 18,1995, wind speed and wind direction Channel B at the 162' elevation were returned to operable status at 0507 hours0.00587 days <br />0.141 hours <br />8.382936e-4 weeks <br />1.929135e-4 months <br />.

Yours truly, gQ CRH/TMC cc:(See Next Page) 200077 9503290010 950323 ADOCK05oog6 DR

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March 23, 1995 GNRO-95/00032 i

Page 2 of 3 cc:

Mr. H. W. Keiser Mr. R. B. McGehee Mr. N. S. Reynolds Mr. J. E. Tedrow Mr. H. L. Thomas Mr. Stewart D. Ebneter Regional Administrator U.S Nuclear Regulatory Commission Region ll 101 Marietta St., N.W., Suite 2900 Atlanta, Georgia 30323 Mr. P. W. O'Connor, Project Manager i

Office of Nuclear Reactor Regulation U.S. Nuclear Regulatory Commission Mail Stop 13H3 Washington, D.C. 20555

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