05000271/LER-1980-025-03, /03L-0:on 800721,during Routine Surveillance Testing MS-DPIS-2-12OC Was Found W/Setpoint in Excess of Tech Spec.Caused by Setpoint Drift.Setpoint Readjusted & Operation Verified

/03L-0:on 800721,during Routine Surveillance Testing MS-DPIS-2-12OC Was Found W/Setpoint in Excess of Tech Spec.Caused by Setpoint Drift.Setpoint Readjusted & Operation Verified

ML19344E069
Person / Time
Site:	Vermont Yankee File:NorthStar Vermont Yankee icon.png
Issue date:	08/20/1980
From:	Murphy W VERMONT YANKEE NUCLEAR POWER CORP.
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I)
Shared Package
ML19344E059	List: 05000271/LER-1980-025, Forwards LER 80-025/03L-0 05000271/LER-1980-025-03, /03L-0:on 800721,during Routine Surveillance Testing MS-DPIS-2-12OC Was Found W/Setpoint in Excess of Tech Spec.Caused by Setpoint Drift.Setpoint Readjusted & Operation Verified
References
LER-80-025-03L, LER-80-25-3L, NUDOCS 8008260579
Download: ML19344E069 (1)

LER-1980-025, /03L-0:on 800721,during Routine Surveillance Testing MS-DPIS-2-12OC Was Found W/Setpoint in Excess of Tech Spec.Caused by Setpoint Drift.Setpoint Readjusted & Operation Verified

Event date:
Report date:
2711980025R03 - NRC Website

text

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60 61 coCKET NUMgEm 68 69 EV ENT oATE 74 7S A EPoRT oATE do EVENT CESCalPTION AND PRC8ABLE CONSECUENCES h l o 121 l During routine surveillance testh MS-DPIS-2-120c uma fntmd vieh m ame%% e % ow...!

pl of what is allowed by T.S. Table 3.2.2.

MS-DPIS-2-120C is not required in the run l

[ o,4 ; l mode. Three redundant switches were operable and would have initiated a Groun 1 Pci l

Io Isi l if required. Based on the above, there were no adverse consequences to the public l

i o le i ; health or safety as a result of this event. A similar crevious occurr3 pee was recortaa i o i 71 (_f w RO 77-11/3L.

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,,, j to less than 8.63 PSID and verify satisfactory operation.

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NAME C8 PAEPARER

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