05000267/LER-1979-050-03, /03L-0:on 791018,motor-driven Fire Pump Removed from Svc Twice for Repair of Leaking Air Release Valve. Caused by Damaged Float & Bent Float Arm.Float Replaced & Bent Float Arm Repaired & Adjusted

/03L-0:on 791018,motor-driven Fire Pump Removed from Svc Twice for Repair of Leaking Air Release Valve. Caused by Damaged Float & Bent Float Arm.Float Replaced & Bent Float Arm Repaired & Adjusted

ML19210C678
Person / Time
Site:	Fort Saint Vrain
Issue date:	11/09/1979
From:	Gahm J PUBLIC SERVICE CO. OF COLORADO
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION IV)
Shared Package
ML19210C669	List: 05000267/LER-1979-050, Forwards LER 79-050/03L-0 05000267/LER-1979-050-03, /03L-0:on 791018,motor-driven Fire Pump Removed from Svc Twice for Repair of Leaking Air Release Valve. Caused by Damaged Float & Bent Float Arm.Float Replaced & Bent Float Arm Repaired & Adjusted
References
LER-79-050-03L, LER-79-50-3L, NUDOCS 7911190417
Download: ML19210C678 (1)

LER-1979-050, /03L-0:on 791018,motor-driven Fire Pump Removed from Svc Twice for Repair of Leaking Air Release Valve. Caused by Damaged Float & Bent Float Arm.Float Replaced & Bent Float Arm Repaired & Adjusted

Event date:
Report date:
2671979050R03 - NRC Website

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NRC FORM 366 U. S. NUCLEAR REGULATORY COMMISSION (7 77)

LICENSEE EVENT REPORT CONTROL BLOCK:

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60 61 DOCKET NUMBER 68 69 EVENT OATE 74 75 REPORT DATE 80 EVENT DESCRIPTION AND PROB ABLE CONSEQUENCES h a 2i l On two occasions during the period of October 18 and 19. 1979. with reactor at oower. I i motor driven fire pu=o was removed from service to repair a leakine air release valve.1 o

3 These periods of time constitute one gion in a degraded mode of LCO 4.2.6 and are re-1 o

4 oi5 l portable per Technical Specificatier. AC 7.5.2(b)2.

No affect on health or safety of I

o is I the public.

No accompanying occurrence or probable consecuences.

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42 43 44 47 CAUSE DESCRIPTION AND CORRECTIVE ACTIONS h lThe motor driven tire puco was removed from service in order to repair a water leak onl i

o 1 a McCracken air vacuum release valve. The valve was removed from service and disas-i 73 lsembled. Damaged float was replaced and bent float arm repaired and adjusted. Valve l g3 l and pump were returned to service.

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///#I J. W. Gahm (303) 785-2253 PHONE:

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