ML19225B014

LER 79-036/03X-1 on 790602:six Snubbers Found Inoperable. Caused By:Two Had Loose Bolts in Clamps & Four Had Low Fluid Level Due to Leaking Seals.First Two Were Realigned & Bolts Tightened

ML19225B014
Person / Time
Site:	Brunswick
Issue date:	07/18/1979
From:	Tollison A CAROLINA POWER & LIGHT CO.
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II)
Shared Package
ML19225B010	List: ML19225B009 ML19225B014
References
LER-79-036-03X, LER-79-36-3X, NUDOCS 7907230320
Download: ML19225B014 (1)

Text

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REPORT DATE EVENT DESCPIPTION AND 3ROBABLE CONSEQUENCES h o Tl [yhile performing an inspection of pipe supports and hangers in accordance with IE o 3 l Bulletin 79-07, the following snubbers were found inoperable: 1) IC41-12SS98, RHR i o 4 l discharge to fuel pool cooling; 2) 1E21-2SS31, Core Spray line to vessel; _

l pT] l 3) IB21-44SS138, vessel head vent; 4) 1E11-90SS275, vessel head spray; j O s J) 1PSN-D3SS71, main steam line "D"; 6) 1G41-12SS33, fuel pool cooling. I to 7

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40 41 44 CAUSE DESCRIPTION AND CORRECTIVE ACTIONS h i ;o l 1E21-2SS31 and 1G41-12SS33 had loose bolt.s in the clamps. These snubbers were aligned [

i i land the bolts tightened per procedure. The other four snubbers had a low fluid level i

, ldue to leaking seals. These snubbers were rebuilt, functionally tested, and returned j i ;i [to service. Snubber inspections _ill continue per Technical Specificacions. l 1 4 l l 7 3 9 n

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A. C. Tollison, Jr. 919-457-9521 o NA11E OF PnEPARER P"ON E : 3