ML20010A976

LER 81-115/03L-0:on 810709,while Investigating Leak Rate & Emergency Personnel Airlock Alarms,Upper Inner Personnel Airlock Door Discovered Open.Cause Unknown.Door Closed & Sealed

ML20010A976
Person / Time
Site:	McGuire
Issue date:	08/07/1981
From:	Nardoci P DUKE POWER CO.
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II)
Shared Package
ML20010A974	List: ML20010A973 ML20010A976
References
LER-81-115-03L, LER-81-115-3L, NUDOCS 8108130179
Download: ML20010A976 (1)

Text

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EVENT CEsCRIPTION AND PRC9A8t3 CONSEQUENCES ITTTl I While in Mode 3, investigation of a Trouble Normal @ and"I Leak R (TTT1 l Emergency Personnel Airlocks" alarn discovered that the upper inner personnel I ryT. l airlock (PAL) door was open. This violates Technical Specification 3.6.1.3

,,,,jgwhich is reportable per Technical Specification 6.9.1.13(b) and is similar to ,

i,,eiiprevious R0-369/81-56. Since the upper outer PAL door was closed and scaled  ;

lo,riIduring the incident, containment integrity was not breached and thus neither f

[TTTI I the safe operation of the olant or the health and safety of the public were  ;

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tisoiIIt could not be determined why the door was open. It is also unknown why an ;

ii e i i l alarm was received from the volumetric leak rate monitor (which performs a

( g ] seal leak test automatically when in the auto mode) since it was in the auto ;

i,,,,l mode and the seals had not been actuated. The PAL door was closed and sealed I g Iand a leak test performed satisfactorily.  ;

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.. .,.....,,,,, Phillip B. Nardoci ,,(704)373-7432 8108130179 810807 PDR ADOCK 05000369 s

PDR

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