ML20009C329

LER 81-086/01T-0:on 810529,during Mode 4 Initial Fuel Loading,Both Trains of Control Room Ventilation Sys Were Inoperable.Caused by Procedural Error.Hepa Filters Retested & Declared Operable.Shift Supervisors Have Been Cautioned

ML20009C329
Person / Time
Site:	McGuire
Issue date:	06/12/1981
From:	Ouellette R DUKE POWER CO.
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II)
Shared Package
ML20009C325	List: ML20009C324 ML20009C329
References
LER-81-086-01T, LER-81-86-1T, NUDOCS 8107200466
Download: ML20009C329 (1)

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5 .. COCatTNuw.gm 85 6. (VENTQaTE 74 fl atPCR T O AT E .0 EVENT DESCMPT1oN ANO PRCS AstE CoNsECuENCEs Oio 1o 121 I While in Mode 4, initial fuel loading, both trains of the CcTitrol Room Venti- ,

10121 11ation System were inopctable. This violated Technical Specification 3.7.6 ,

Io1Ai Iand is reportable per Technical Specification 6.9.1.12(b). Since Train B was ,

E Iraturnnd to service without the required retest of the HEPA filters and both ,

l o #s 1 I trains tested out satisfactorgy af ter the incident, the health and safety of ,

8 Ithe public were not affected. ,

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i,joi!Since no HEPA filter retest was performed on Train B before it was returned to IitiiI service, it was technically inoperable. At the same time, Train A was tagged ,

L' i.2 ) I out for maintenance.

The plant began cooling down and Train A and B HEPA ,

litalI filters were retested and declared operable. Shift supervisors were ,

m . .t cautioned about this situation.

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