05000245/LER-1997-018, Forwards LER 97-018-00,documenting an Event That Occurred at Millstone Nuclear Power Station,Unit 1 on 970224.Util Commitments Made within Ltr,Listed

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Forwards LER 97-018-00,documenting an Event That Occurred at Millstone Nuclear Power Station,Unit 1 on 970224.Util Commitments Made within Ltr,Listed
ML20137H477
Person / Time
Site: Millstone Dominion icon.png
Issue date: 03/26/1997
From: Noll W
NORTHEAST NUCLEAR ENERGY CO., NORTHEAST UTILITIES SERVICE CO.
To:
NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
Shared Package
ML20137H479 List:
References
B16331, NUDOCS 9704020256
Download: ML20137H477 (2)


LER-2097-018, Forwards LER 97-018-00,documenting an Event That Occurred at Millstone Nuclear Power Station,Unit 1 on 970224.Util Commitments Made within Ltr,Listed
Event date:
Report date:
2452097018R00 - NRC Website

text

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March 26,1997 Docket No. 50-245

i. B16331 -!

l Re: 10CFR50.73(a)(2)(ii)

I U.S. Nuclear Regulatory Commission j Document Control Desk Washington, DC 20555 This letter forwards Licensee Event Report (LER) 97-018-00, documenting an event that occurred at Millstone Nuclear Power Station, Unit No.1 on February 24,1997. This LER is submitted pursuant to 10CFR50.73(a)(2)(ii).

The following are Northeast Nuclear Energy Company's (NNECO's) commitments made within this letter. All other statements made within this letter are for information only.

B16331-1 NNECO commits that a design change to compensate for the potential upward movement of the stemnut and stem during a high energy line break condition will

, be completed prior to startup for operating Cycle 16. This will include adjusting the close torque switch bypass percentage setting in the field.

B16331-2 Additionally, the Continuing Training topics will be updated to include the function

. and operation of the compensator spring pack in Limitorque "SB" type actuators to all mechanics and technicians associated with work on Limitorque actuators.

B16331-3 The Motor Operated Valve Program Manual Section PI-5 will be revised to address the torque switch bypass implications for the Limitorque "SB" type actuators.

Very truly yours, 1

NORTHEAST NUCLEAR ENERGY COMPANY For: P. D. Hinnenkamp Director Unit Operations

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ily: W. G. Noll .

t Manager, Operations p

, 9704020256 970326 PDR ADOCK 05000245'

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.. , U. S. Nuclear Regulatory Commission  !

B16331\Page 2 I

Attachment:

LER 97-018-00 cc: Dr. W. D. Travers, Director, Special Projects H. J. Miller, Region I Administrator S. Dembek, NRC Project Manager, Millstone Unit No.1 T. A. Easlick, Senior Resident Inspector, Millstone Unit No.1 ,

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