05000361/LER-1998-001, Forwards LER 98-001-01 & 98-003-01 Re Loose Collar in Speed Sensing Circuitry of Turbine Driven Afp & Inoperable Containment Emergency Sump Outlet Valve

Forwards LER 98-001-01 & 98-003-01 Re Loose Collar in Speed Sensing Circuitry of Turbine Driven Afp & Inoperable Containment Emergency Sump Outlet Valve

ML20217D774
Person / Time
Site:	San Onofre
Issue date:	04/17/1998
From:	Krieger R SOUTHERN CALIFORNIA EDISON CO.
To:	NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
Shared Package
ML20217D778	List: 05000361/LER-1998-001, Forwards LER 98-001-01 & 98-003-01 Re Loose Collar in Speed Sensing Circuitry of Turbine Driven Afp & Inoperable Containment Emergency Sump Outlet Valve
References
NUDOCS 9804270088
Download: ML20217D774 (2)

LER-2098-001, Forwards LER 98-001-01 & 98-003-01 Re Loose Collar in Speed Sensing Circuitry of Turbine Driven Afp & Inoperable Containment Emergency Sump Outlet Valve

Event date:
Report date:
3612098001R00 - NRC Website

text

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Qi sot;inius catisoasir n. w. Krieger W EDl SON ';:ca: % n l

An LDISON 141LRNAll0NAL Cumpany 4

I April 17,1998 U. S. Nuclear Regulatory Commission Document Control Desk Washington, D.C. 20555 Gentlemen:

Subject:

Docket No. 50-361 Revised 30-Day Reports Licensee Event Report Nos. 1998-001-01 and 1998-003-01 San Onofre Nuclear Generating Station, Unit 2

References:

(1) Letter, R. W. Krieger (Southern California Edison) to USNRC Document Control Desk, dated February 12,1998 l

(2) Letter, R. W. Krieger (Southern California Edison) to USNRC 1 Document Control Desk, dated March 9,1998 i

(3) Letter, D. E. Nunn (Southern California Edison) to USNRC Document Control Desk, dated April 7,1998 By reference (1) and (2), Southern California Edison (SCE) submitted Licensee Event Reports (LERs) for occurrences involving a loose collar in the speed sensir.g circuitry of the turbine driven auxiliary feedwater pump, and an inoperable containment i emergency sump outlet valve, respectively.

In reference (3), SCE submitted evaluations of realistic recovery actions for the conditions postulated in the safety assessments of these LERs. As committed to in reference (3), SCE is submitting these revised LERs to include the appropriate information from these evaluations.

9904270000 900417 PDR ADOCK 05000361 S PDR ,\j

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P O ika 128 q) ban Clemente. CA 42674-0128 714 T68 e2%

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Document Control Desk April 17,1998 9

Neither the health nor the safety of plant personnel or the public was affected by the l reported occurrences.

If you require any additional information, please so advise.

i Sincere jb,2 2.d >l* M A -

Enclosures:

LER No.1998-001-01 LER No.1998-003-01 cc: E. W. Merschoff, Regional Administrator, NRC Region IV K. E. Perkins, Jr., Director, Walnut Creek Field Office, NRC Region IV J. W. Clifford, NRC Project Manager, San Onofre Units 2 and 3 J. A. Sloan, NRC Senior Resident inspector, Units 2 and 3 Institute of Nuclear Power Operations (INPO) i k,