05000267/LER-1980-061-03, /03L-0:between 801003 & 13,on Three Occasions, Plant Operated W/Individual Snubbers Out of Svc.Caused by Need for Maint.One Snubber Filled W/Oil & Two Snubbers Adjusted

/03L-0:between 801003 & 13,on Three Occasions, Plant Operated W/Individual Snubbers Out of Svc.Caused by Need for Maint.One Snubber Filled W/Oil & Two Snubbers Adjusted

ML20002A759
Person / Time
Site:	Fort Saint Vrain
Issue date:	10/31/1980
From:	Gahm J PUBLIC SERVICE CO. OF COLORADO
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION IV)
Shared Package
ML20002A758	List: 05000267/LER-1980-061, Forwards LER 80-061/03L-0 05000267/LER-1980-061-03, /03L-0:between 801003 & 13,on Three Occasions, Plant Operated W/Individual Snubbers Out of Svc.Caused by Need for Maint.One Snubber Filled W/Oil & Two Snubbers Adjusted
References
LER-80-061-03L, LER-80-61-3L, NUDOCS 8011210478
Download: ML20002A759 (1)

LER-1980-061, /03L-0:between 801003 & 13,on Three Occasions, Plant Operated W/Individual Snubbers Out of Svc.Caused by Need for Maint.One Snubber Filled W/Oil & Two Snubbers Adjusted

Event date:
Report date:
2671980061R03 - NRC Website

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U. S. NUCLEA3 CEIULATEY COMRAISSION WecPORM ms

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60 61 DOCKET NUMSER 88 69 EVENT oATE 74 75 REPoRToATE 80 s

EVENT DESCRIPTION AND PROSASLE CONSEQUENCES h i

Q l On three separate occasions between October 3.1980, and October 13J980, the plant l was operated with individual snubbers out of service for corrective / preventive mainte-f 3

f7TT1 I nance. Although snubbers were operable prior to removal from service, this is inter-l f3 TT1 1 preted as degraded mode of LCO 4.3.10, reported per Fort St. Vrain Technical Specifi- [

[5 Tin l cation AC 7.5.2(b)2. No affect on public health and safay. No accompanying occur- [

lol7l lrence or probable consequences. No similar reports.

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SEcufNTIAL OCCURRENCE REPORT REVfSION LER EV ENT YE AR REPORT No.

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- 33 CAUSE DESCRIPTION AND CORRECTIVE ACTIONS h l_i_ l o l l ITT Grinnell snubbers which were operable while in service were removed from service 1

, for corrective / preventive maintenance to assure continued operability.

One snubber i

reservoir filled with oil, one adjusted to avoid interference, and one adjusted to j

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