05000311/LER-1983-005-03, /03L-0:on 830122,during Routine Cooldown,Both Channels of Pressurizer Overpressurization Protection Sys Declared Inoperable.Caused by Leakage in Pressurizer Relief Lines

/03L-0:on 830122,during Routine Cooldown,Both Channels of Pressurizer Overpressurization Protection Sys Declared Inoperable.Caused by Leakage in Pressurizer Relief Lines

ML18087A683
Person / Time
Site:	Salem
Issue date:	02/17/1983
From:	Frahm R Public Service Enterprise Group
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I)
Shared Package
ML18087A681	List: 05000311/LER-1983-005, Forwards LER 83-005/03L-0.Detailed Event Analysis Encl
References
LER-83-005-03L, LER-83-5-3L, NUDOCS 8303030014
Download: ML18087A683 (1)

LER-1983-005, /03L-0:on 830122,during Routine Cooldown,Both Channels of Pressurizer Overpressurization Protection Sys Declared Inoperable.Caused by Leakage in Pressurizer Relief Lines

Event date:
Report date:
3111983005R03 - NRC Website

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~~~~; LJJ©I ol sl ol ol or 3l 1l 1JGI 0 1 1 1 2 1 2 1 8 1 3 1@1°r21 1 1 7 18 60 61 DOCKET NUMBER 68 59 EVENT DATE 74 75 REPORT DATE EVENT DESCRIPTION AND PROBABLE CONSEQUENCES@

(On January 21, 1983, during a routine plant cooldown, both channels of the Pressurizer I Overpressurization Protection System (POPS) were decla~ed inoperable due to excessive ITIJ -

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11eakage in the pressurizer relief lines.

Action Statement 3.4.l0.3b was entered, [I)) 1requiring a Reactor Coolant System (RCS) vent '.:Je established.

The cooldo'Wn was I continued, one POP.s channel was restored to an operable status and an RCS vent was [J]J -

- [ill I subsequently established.

The integrity of fission product barriers was maintained.

[II] I The event constituted operation in a degraded mode in accordance with Technical Speci-6 9 fication 6 ~~s'rt~ 9b

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CAUSE DESCRIPTION AND CORRECTIVE ACTIONS QV j Previous problems with pressurizer relief leakage have been experienced on seve~al

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Both.the POP.S ?tnd* power operated relief valv~s have. been involved..

II1J 1rmplementation of corrective action.is.pending investigation of the problems during iJJJ I the current *.refueling outage.. A Suppleinerital Report ~ill be submitted. upon ffoal cr:rJ I resolution of the problems.

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