05000313/LER-1982-010

LER 82-010/03L-0:on 820511,while at 45% Full Power,Standby Hydrogen Purge Sys Failed Monthly Surveillance Test,Failing to Meet Tech Spec Requirements.Caused by Filter Saturated W/Water.Filter Replaced

ML20054G762
Person / Time
Site:	Arkansas Nuclear
Issue date:	06/08/1982
From:	Moeggenberg D ARKANSAS POWER & LIGHT CO.
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION IV)
Shared Package
ML20054G759	List: 05000313/LER-1982-010, Forwards LER 82-010/03L-0
References
LER-82-010-03L-01, LER-82-10-3L-1, NUDOCS 8206220277
Download: ML20054G762 (2)

LER-2082-010,

Event date:
Report date:
3132082010R00 - NRC Website

text

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7 8 60 6' DOCet t T Nuug g m td, EvtNT DaTE FS EVE NT DESCRIPTION AND PROBAOLE CONSEQUENCES h t o lai 10n 5/11/82 while at 45% full power, the standby Hydrogen Purge System 1 o 3 i failed the monthly surveillance test, therefore, the system failed to e o . I meet the requir_ements of T.S.3.14.1. The lead Hvdrogen Purge System wasj n s ioperable at the time of the occurrence. This occurrence is reportable I o r, iper T.S.6.12.3.2.b. Similar occurrences were reported in LER's i Io1ilI313/80-037 & 79-001. I O H l i

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, o 1 Investigation revealed that the filter was saturated with water. The i l i isource of the moisture is believed to be the seal water for the enmnrossnys i,i?i i in the system. The filter was replaced and the system was returned to 1 FTTil 1 ooerable status. In view of the history of system fouling and seal watert i i leakaae. a comnrehensive studv was initi-ated in early Aoril 1982. This

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ATTACiffENT LER N0. 50-313/82-010/03L-0 l CAUSE DESCRIPTION AND CORRECTIVE ACTIONS (Continued) study should provide long and short term corrective action and is expected to be completed in June 1982. An LER update will be provided when appro-priate long and short tenn corrective actions have been determined.

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