05000311/LER-1982-155-03, /03L-0:on 821224,containment Fan Coil Unit 23 Svc Water Flow Found Less than Tech Specs.Cause Not Stated.Back Pressure Control Valve 23SW57 Locally Cycled to Flush Out Svc Water Piping & Return Flow to Normal

/03L-0:on 821224,containment Fan Coil Unit 23 Svc Water Flow Found Less than Tech Specs.Cause Not Stated.Back Pressure Control Valve 23SW57 Locally Cycled to Flush Out Svc Water Piping & Return Flow to Normal

ML20028D665
Person / Time
Site:	Salem
Issue date:	01/05/1983
From:	Frahm R Public Service Enterprise Group
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I)
Shared Package
ML20028D658	List: 05000311/LER-1982-155, Forwards LER 82-155/03L-0.Detailed Event Analysis Encl 05000311/LER-1982-155-03, /03L-0:on 821224,containment Fan Coil Unit 23 Svc Water Flow Found Less than Tech Specs.Cause Not Stated.Back Pressure Control Valve 23SW57 Locally Cycled to Flush Out Svc Water Piping & Return Flow to Normal
References
LER-82-155-03L, LER-82-155-3L, NUDOCS 8301190348
Download: ML20028D665 (1)

LER-1982-155, /03L-0:on 821224,containment Fan Coil Unit 23 Svc Water Flow Found Less than Tech Specs.Cause Not Stated.Back Pressure Control Valve 23SW57 Locally Cycled to Flush Out Svc Water Piping & Return Flow to Normal

Event date:
Report date:
3111982155R03 - NRC Website

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LICENSEE EVENT REPORT CONTROL BLOCK:

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LICENSEE CODE 14 LICENSE NUMeER 26 UCENSE TYPE JO 67 CAT 68 7

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SO St DOCKET NUMBER 88 09 EVENT DATE 74 76 REPOM DATE 80 EVENT DESCRIPTION AND PROBABLE CONSEQUENCES h O 2 l On December 24, 1982, during routine operation, the Control Room Operator observed l

o lthat No. 23 Containm'ent Fan Coil Unit (CFCU) service water flow was less than requiredg

@ l by the Technical' Specification. The CFCU was declared inoperable and Action Statement l g l3.6.2.3a was entered.

Redundant CFCU's and both containment spray systems were l

0 6 l operable. The event constituted operation in a degraded mode in accordance with l

l Technical Specification 6.9.1.9.b.

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CAUSE DESCRIPTION AND CORRECTIVE ACTIONS h

' Q lDack Pressure Control Valve 23SW57 was locally cycled several times to flush out the l

l service water piping to the CFCU, and the flow was returned to within specification.

l i i lThe CFCU was satisfactorily tested and the action statement was terminated.

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