05000369/LER-1981-052-03, /03L-0:on 810412,while in Mode 3,upper Head Injection Diaphragm Between water-filled & Nitrogen Bearing Accumulators Was Ruptured.Caused by Procedural Deficiency. Procedure Modified.Diaphragm Will Be Replaced

/03L-0:on 810412,while in Mode 3,upper Head Injection Diaphragm Between water-filled & Nitrogen Bearing Accumulators Was Ruptured.Caused by Procedural Deficiency. Procedure Modified.Diaphragm Will Be Replaced

ML20009C243
Person / Time
Site:	McGuire
Issue date:	05/12/1981
From:	Ouellette R DUKE POWER CO.
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II)
Shared Package
ML20009C237	List: 05000369/LER-1981-052, Forwards LER 81-052/03L-0.Detailed Event Analysis Encl 05000369/LER-1981-052-03, /03L-0:on 810412,while in Mode 3,upper Head Injection Diaphragm Between water-filled & Nitrogen Bearing Accumulators Was Ruptured.Caused by Procedural Deficiency. Procedure Modified.Diaphragm Will Be Replaced
References
LER-81-052-03L, NUDOCS 8107200403
Download: ML20009C243 (1)

LER-1981-052, /03L-0:on 810412,while in Mode 3,upper Head Injection Diaphragm Between water-filled & Nitrogen Bearing Accumulators Was Ruptured.Caused by Procedural Deficiency. Procedure Modified.Diaphragm Will Be Replaced

Event date:
Report date:
3691981052R03 - NRC Website

text

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NRC FORM 364 U. S. NUCLEAR RECULAToRY CCMMIS51CN t7 m LICENSEE EVENT REPORT EXHIBIT A CONTROL 8LoCx: l l

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75 atPcar cars so EVENT CESCalPTICN ANO PRCSA8'.E CCNSECUENC ES O'o 1 o 121 l While in Mode 3, initial fuel loading, the Upper Head Injection diaphragm Ioi2Il installed between the water-filled and the nitrogen bearing accumulators was lo141Iruptured.

This is in violatica of Technical Specification 3.5.1.2 and is l o i s i f ronnre,hi n nor Technical Soecf.fication 6.9.1.13(b).

Since there is only new,

loisiIfuel in the core, the health and safety of the public were not affected.

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,ioil The appropriate Operating Procedure did not contain steps to fill and vent Ii6iiI the pipinn between the UHI discharge block valves prior to opening the valves y Iii7i i The procedure has been modified to correct for this deficiency and the Iii2i i diaphragm will be replaced.

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