ML20010H800

LER 81-042/03T-0:on 810828,stack Gas Pump B Found Tripped & Low Flow Alarm Did Not Annunciate.Caused by Automatic Lubrication Sys Malfunction & Component Failure on Low Flow Switch Alarm Card

ML20010H800
Person / Time
Site:	Oyster Creek
Issue date:	09/11/1981
From:	Frederick Sullivan JERSEY CENTRAL POWER & LIGHT CO.
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I)
Shared Package
ML20010H791	List: ML20010H790 ML20010H800
References
LER-81-042-03T, LER-81-42-3T, NUDOCS 8109290305
Download: ML20010H800 (1)

Text

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• ~ UYNUCLCA3 REGULATCY COMMI,SSION NRC FC'RM 36f *

'#;'# LICENSEE EVENT REPORT (PLEASE PRINT OR TYPE ALL REQUIRED 4NFORMATION)

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o l60 L l@l 64 0l 5OOCKETl 0 lNUPSER 0 10 l 268l1 69l9 l@l EVENT01 DATE 8l 274l 875l 8 REPORT l l' l@l0 D ATE 19 80 l ll 1l R l1 EVEN f DESCRIPTION ANO PROSA8LE CONSEQUENCES h gi On August 28, 1981, at approximately 0720, the 'B' Stack Gas Pump was found l

,ml tripped. The low flow alarm did not annunciate to give an indication of f IO #. ; l the ' situation. The 'A' pump sras put in service at 0740. During the event the i I o I 51 ; ventilation system radiation monitors did not indicate any abnormalities. I f

Lc #e t i The other influents to the stack were secured, therefore, the safety sian-l IO l7 i i ificance of the event is considered minimal.

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3 10 11 12 13 iA lX lh lH lh W h 18 t9 20 SEcutNTIAL QCCuRRENCE REPORT REVislON EVENT YE AR REPORT NO. CODE TYPE NO.

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32 O P NT ME HOvRS S5 l POR 8. WP U MANuF vRER KN AC ON l33A l@lJ4 Fl@ l33 Zl@ l36Z l@ l 0l0l0l0l W@ lNl@ lN l@ lG [0 l4 %lg 37 40 41 42 as 44 47 CAU,SE DESCRIPTICN AND CORRECTIVE ACTIONS h lil0ll The cause of the event was attributed to a malfunction of the autanatic l j ii ;i,[

lubrication systen and a caTponent failure on the low flow switch alarm i ii i 21 l card. The pump was rebuilt and tested. The alarm card was replaced. g g , , .3 g l A new Stack Gas Monitoring Systen is scheduled to be installed in the [

j i , ,, , l beginning of 1982. The existing pumps will be replaced and the operator's , l so

, a rIciuTpur sheet will be upgraded. ,,,g ,

DISCOVERY DESCRIPTION STATUS  % POWER OTHER STATUS Ol5Cnif5RY ~

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• • I III IIIIIIII l.2 8109290305 810911 F. X. Sullivan

• f09$93-6037

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