05000267/LER-1981-005-03, /03L-0:on 810107,during Surveillance Testing,Trip Setting on PDIS-21177 Bearing Water Differential Pressure Switch Found Below Tech Spec Limit.Caused by Instrument Drift.Switch Adjusted & Returned to Svc

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/03L-0:on 810107,during Surveillance Testing,Trip Setting on PDIS-21177 Bearing Water Differential Pressure Switch Found Below Tech Spec Limit.Caused by Instrument Drift.Switch Adjusted & Returned to Svc
ML20003B255
Person / Time
Site: Fort Saint Vrain 
Issue date: 02/03/1981
From: Gahm J
PUBLIC SERVICE CO. OF COLORADO
To:
NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION IV)
Shared Package
ML20003B244 List:
References
LER-81-005-03L, LER-81-5-3L, NUDOCS 8102100556
Download: ML20003B255 (1)


LER-1981-005, /03L-0:on 810107,during Surveillance Testing,Trip Setting on PDIS-21177 Bearing Water Differential Pressure Switch Found Below Tech Spec Limit.Caused by Instrument Drift.Switch Adjusted & Returned to Svc
Event date:
Report date:
2671981005R03 - NRC Website

text

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'3 EVENT OESCRIPTICN AND PROS ASLE CONSEOUENCES h I o I.' l b" pile cerfoming Surveillance Test S R 5. 4.1. 3. 3 c-R. the trio setting on PDIS-21177, j i;i3i ! beating water dif ferential pressure switch, was found below the linit of LCO 4.4.1, l

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Reportable ver Fort St. Vrain Technical Specifications AC 7.5.2(b)1 and l l,. 21 I AC 7. 5. 2 (b)2. The LCO specifies a trip setting of ecual to or greater than 475 ?SID l 13id i and the switch tripped at 380 ?SID. No ef f ect on public health or saf ety.

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