ML19257B771

LER 79-050/03L-0:on 791221,HPCI Exhaust Line Snubber SS-23-3-31 Found Bent.Thread Assembly Discovered Backed Out of Wall Mount.Cause Under Investigation.Snubber Strut Assembly Repaired.Snubber Replaced

ML19257B771
Person / Time
Site:	Pilgrim
Issue date:	01/08/1980
From:	Graham E BOSTON EDISON CO.
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I)
Shared Package
ML19257B768	List: ML19257B767 ML19257B771
References
LER-79-050-03L, LER-79-50-3L, NUDOCS 8001180298
Download: ML19257B771 (1)

Text

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OATE 3 60 61 COCK ET NUMB ER EVENT DESCRIPTION AND PROBABLE CONSECUENCES h o  : l At 0602 on December 21, 1979 HPCI exhaust line snubber SS-23-3-31 strut assembly l 0 3 i was found bent and the thread assembly had backed out of the wall count. This is a l 0 4 l limiting condition of operation as addressed in Section 3.6.I.2. of Technical [

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35 3/ 40 42 CAUSE DESCRIPTION AND CORRECTIVE ACTIONS i o l The snubber strut assembly was recaired and the snubber was replaced. This task was l i 1 l completed at 2100 on Dec. 21, 1979. The cause is under investication. A followun  !

LER will be submitted when cause is determined,

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