ML20038B880

LER 81-052/03L-0:on 810812,failure of One Reactor Vessel Electromatic Relief Valve Thermocouple & Two Reactor Vessel Head Safety Valve Thermocouples Noted in Testing.Cause to Be Investigated Given Drywell Access in Next Cold Shutdown

ML20038B880
Person / Time
Site:	Nine Mile Point
Issue date:	11/24/1981
From:	Patrou N NIAGARA MOHAWK POWER CORP.
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I)
Shared Package
ML20038B877	List: ML20038B876 ML20038B880
References
LER-81-052-03L, LER-81-52-3L, NUDOCS 8112090222
Download: ML20038B880 (1)

Text

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NRC FORM 366 (7 77)

LICENSEE EVENT REPORT I

(PLEASE PRINT OR TYPE ALL REQUIRED INFORMATION)

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I o I a i jfailure of one reactor vessel electromatic relief valve thermocouple - (D367) j l l o 14 l l reactor vessel head safety valve thermocouples (E312 and E318) were noted which placed This was of I yo;3; lthe plant in a limiting condition for operation per Tech. Specs. 3.6.11.

source of reactor safety I

[o ls i l_ minimal safety concern since all sonic detectors, the primary ISP-01-l l o l 7 l land relief valve position indication, passed the corresponding surveillance test 1

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