05000245/LER-1997-021, Forwards LER 97-021-00,documenting Event Occurred at Unit 1 on 970228.Commitments Made within Ltr Listed

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Forwards LER 97-021-00,documenting Event Occurred at Unit 1 on 970228.Commitments Made within Ltr Listed
ML20137N829
Person / Time
Site: Millstone Dominion icon.png
Issue date: 03/31/1997
From: Hinnenkamp P
NORTHEAST NUCLEAR ENERGY CO., NORTHEAST UTILITIES SERVICE CO.
To:
NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
Shared Package
ML20137N834 List:
References
B16334, NUDOCS 9704090060
Download: ML20137N829 (1)


LER-2097-021, Forwards LER 97-021-00,documenting Event Occurred at Unit 1 on 970228.Commitments Made within Ltr Listed
Event date:
Report date:
2452097021R00 - NRC Website

text

i C ggg,g Mdistone offices

  • Itupe Ferry Hd., Waterford, Cr Utilities System P.o.nox128 Waterford, Cr Ot2385-0128 (860) 447-1791 l

1 March 31,1997 l l

Docket No. 50-245 B16334 )

)

Re: 10CFR50.73(a)(2)(i) ]

l U.S. Nuclear Regulatory Commission Document Control Desk  ;

Washington, DC 20555 l l

This letter forwards Licensee Event Report (LER) 97-021-00, documenting an event that occurred at Millstone Nuclear Power Station, Unit No.1 on February 28,1997. This LER is submitted pursuant to 10CFR50.73(a)(2)(i).

1 The following are Northeast Nuclear Energy Company's (NNECO's) committnents made within ]

this letter. All other statements made within this letter are for information only.

B16334-1 NNECO commits to perform an appropriate post maintenance test of valve 1-SG-1B l following installation to ensure seating. This will be completed prior to startup for i operating Cycle 16. The procedure for AC-10 seat replacement is being modified to j inspect the Standby Gas Treatment System piping for excessive negative pressure l which would indicate that 1-SG-1 A/B are leakmg.  ;

B16334-2 NNECO commits to identify all Allis - Chalmers Model 150R,150FR, 50R and  !

50FR butterfly valves and inspect as needed to ensure proper disc orientation. This l will be cc,mpleted prior to startup for operating Cycle 16. )

Very truly yours, NORTHEAST NUCLEAR ENERGY COMPANY l

E -N Q'kb i P. D. HinnenkampQ p  ;

Director, Unit Operations i

Attachment:

LER 97-021-00 '

cc: Dr. W. D. Travers, Director, Special Projects ,

H. J. Miller, Region 1 Administrator '

S. Dembek, NRC Project Manager, Millstone Unit No.1 T. A. Eastick, Senior Resident Inspector, Millstone Unit No. I 9704090060 970331 I PDR ADOCK 05000245 $5%Eggggg' g PDR; i