ML19210C678

LER 79-050/03L-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

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: ML19210C667 ML19210C678
References
LER-79-050-03L, LER-79-50-3L, NUDOCS 7911190417
Download: ML19210C678 (1)

Text

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

- ** LICENSEE EVENT REPORT CONTROL BLOCK:

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(PLEASE PRINT OR TYPE ALL REOL MED INFORMATION) 7 o i 8 9 l C lLICENSEE0 l F CODE l S l V l 1 l@l 0 l0 l- LICENSE 14 15 l 0 l0NUMBER l0 l0 l0 l- l0 25l0 l@l 26 4l ll 1!TYPE LICENSE 2l JO 0 @L I 68 @

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! E hl 61 0 l 5 DOCKET l 0 l NUMBER 0 l 0 l 2 l 668 l 769@l 110 l 1l8l 7174 9l@l EVENT OATE 75 1REPORT l 1 lDATE 0 l 9 l 807 l 9 l@

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 o 3 i motor driven fire pu=o was removed from service to repair a leakine air release valve.1 o 4 These periods of time constitute one gion in a degraded mode of LCO 4.2.6 and are re-1 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. l 0 7 l l o a i l 80 7 8 9 E CODE SUSC E COMPON ENT CODE SL8CbCE SU F 7

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,,, SEQUENTI A. OCCURRENCE REPORT REVISION te p no EVENT YE AR REPORT NO. CODE TYPE NO.

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33 34 35  % 34 40 # 43 44 47 CAUSE DESCRIPTION AND CORRECTIVE ACTIONS h i o lThe motor driven tire puco was removed from service in order to repair a water leak onl i 1 a McCracken air vacuum release valve. The valve was removed from service and disas-  !

, 73 lsembled. Damaged float was replaced and bent float arm repaired and adjusted. Valve l g3 l and pump were returned to service. l i 4 l l 7 8 9 80 ST S *. POWE R OTHER STATUS Di O Y DISCOVERY 0ESCRIPTION i l5 lC @ l 0l 0l 8l@l N/A l l 0l@l Personnel Observation l ACTIVITY CO TENT RELEA$ED OPRELEASE AMOUNT OF ACTIVITY LOCATION OF RELEASE 1 16 Zl h lZl@l N/A l lN/A l 7 8 9 10 11 44 45 80 PERSONNEL EXPOSURES NUVEER TYPE DESCRIPTION 1 7 l 0 l 0 l 0 l@l Z l@l N/A

' PERSONNEt iN;uWiES NUV8ER DESCRIPTION 2 J

7 i a 8 9 l0 0l0l@l N/A 11 12 80 l

LOSS OF OR DAMAGE TO FACILITY TWE DE SCRIPTION i 9 lZl@l N/A l 1 8 9 10 80 b e 2 o lN

!sSUEf@lDE N/A CRIPTION l llllllllll ltl}

///#I J. W. Gahm PHONE:

(303) 785-2253 NAVE OF PREPARER , j