05000333/LER-1980-049-03, /03L-0:on 800507,during Plant Shutdown & Cooldown for Refueling,Torus Water Level Exceeded Tech Spec Limit. Caused by Release of Drywell to Torus Differential Pressure. Addition of Water to Torus Restored Level within Limit

/03L-0:on 800507,during Plant Shutdown & Cooldown for Refueling,Torus Water Level Exceeded Tech Spec Limit. Caused by Release of Drywell to Torus Differential Pressure. Addition of Water to Torus Restored Level within Limit

ML19310A273
Person / Time
Site:	FitzPatrick
Issue date:	06/06/1980
From:	W. Verne Childs POWER AUTHORITY OF THE STATE OF NEW YORK (NEW YORK
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I)
Shared Package
ML19310A270	List: 05000333/LER-1980-049, Forwards LER 80-049/03L-0 05000333/LER-1980-049-03, /03L-0:on 800507,during Plant Shutdown & Cooldown for Refueling,Torus Water Level Exceeded Tech Spec Limit. Caused by Release of Drywell to Torus Differential Pressure. Addition of Water to Torus Restored Level within Limit
References
LER-80-049-03L, LER-80-49-3L, NUDOCS 8006110010
Download: ML19310A273 (1)

LER-1980-049, /03L-0:on 800507,during Plant Shutdown & Cooldown for Refueling,Torus Water Level Exceeded Tech Spec Limit. Caused by Release of Drywell to Torus Differential Pressure. Addition of Water to Torus Restored Level within Limit

Event date:
Report date:
3331980049R03 - NRC Website

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NRC FORM 366

' U. S. NUCLEAR REGULATORY COMMISSION (7 77)

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8 60 61 DOCK ET NUMBER 68 69 EVENT DATE 74 75 REPCRT DATE 80 EVENT CESCRIPTION AND PROBABLE CCNSECUENCES Oio f o i 21 l During plant shutdown and cooldown for refueling, torus water level exceeded the l

lo13l l limit of TS 3.7.A.1.b by less than Ofte inch due to release of drywell to torus l

lo i A i 1 differential pressure as allowed by TS 3 7.A.7.a.l.

The event did not represent l

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a significant hazard to the public health and safety.

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SUP L1 V NUFAC RER N 4C CN ON P NT ME MOURS S9 i l01010l0I d h d h d h I714IoIQl JJ 34 35 36 31 40 41 42 43 44 47 CAUSE CESCRIPTION AND CORRECTIVE ACTIONS h l1 lall Release of drywell torus DP allowed water to enter downcomer legs thus lowerino level. I tiji;l Addition of water to torus restored level to within limit aporoximately I hour later.

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