05000267/LER-1980-042-03, /03L-0:on 800725,plant Was Operated at Approx 47% Thermal Power & 131 Mwe W/Two Inoperable Reserve Shutdown Units in 30 Hopper Subsystem.Caused by Isolation of Bottle for Repair of Leakage at Brass Fitting for Region 15 Hook

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/03L-0:on 800725,plant Was Operated at Approx 47% Thermal Power & 131 Mwe W/Two Inoperable Reserve Shutdown Units in 30 Hopper Subsystem.Caused by Isolation of Bottle for Repair of Leakage at Brass Fitting for Region 15 Hookup
ML19344D996
Person / Time
Site: Fort Saint Vrain 
Issue date: 08/22/1980
From: Gahm J
PUBLIC SERVICE CO. OF COLORADO
To:
NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION IV)
Shared Package
ML16238A340 List:
References
LER-80-042-03L, LER-80-42-3L, NUDOCS 8008260501
Download: ML19344D996 (1)


LER-1980-042, /03L-0:on 800725,plant Was Operated at Approx 47% Thermal Power & 131 Mwe W/Two Inoperable Reserve Shutdown Units in 30 Hopper Subsystem.Caused by Isolation of Bottle for Repair of Leakage at Brass Fitting for Region 15 Hookup
Event date:
Report date:
2671980042R03 - NRC Website

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NRC FORM 364 U. S. NUCLEA~l CEEULATCGY COMMIShlON (7 77)

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lo l41 I hopper subsystem. Degraded mode of LCo 4.1.6, reportable per Fort St. Vrain Technica1l loisl l Specification AC 7.5.2(b)2. No affect on public health or safety. No accompanying l

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s7 CAUSE DESCRIPTION AND CORRECTIVE ACTIONS h l i t o l l Leakage at brass fitting for region 15 reserve shutdown helius bottle hookup neces-l 1 i i i i i sitated isclation of bottle for repair. With region 27 bottle already isolated, de-1 i,,2, l graded mode of LCo 4.1.6 resulted. The fitting was replaced and region 15 reserve i

ii i3i l shutdown unit returned to service.

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