05000333/LER-1980-046-03, /03L-0:on 800430,during Normal Operation, Surveillance Testing to Satisfy Tech Spec 4.2-1 Revealed Two Shutdown Cooling Permissive Switches Were Set in Excess of Limit.Caused by Instrument Drift.Switches Recalibr: Difference between revisions

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{{Adams
#REDIRECT [[05000333/LER-1980-046-03, Surveillance Testing Revealed Shutdown Cooling Permissive Switches Set in Excess of 75 Psig Limit.Caused by Procedural Error.Instruments Recalibr & Returned to Svc]]
| number = ML19323G404
| issue date = 05/27/1980
| title = /03L-0:on 800430,during Normal Operation, Surveillance Testing to Satisfy Tech Spec 4.2-1 Revealed Two Shutdown Cooling Permissive Switches Were Set in Excess of Limit.Caused by Instrument Drift.Switches Recalibr
| author name =
| author affiliation = POWER AUTHORITY OF THE STATE OF NEW YORK (NEW YORK
| addressee name =
| addressee affiliation = NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I)
| docket = 05000333
| license number =
| contact person =
| document report number = LER-80-046-03L, LER-80-46-3L, NUDOCS 8006020370
| package number = ML19323G403
| document type = LICENSEE EVENT REPORT (SEE ALSO AO RO), TEXT-SAFETY REPORT
| page count = 1
}}
{{LER
| Title = /03L-0:on 800430,during Normal Operation, Surveillance Testing to Satisfy Tech Spec 4.2-1 Revealed Two Shutdown Cooling Permissive Switches Were Set in Excess of Limit.Caused by Instrument Drift.Switches Recalibr
| Plant =
| Reporting criterion =
| Power level =
| Mode =
| Docket = 05000333
| LER year = 1980
| LER number = 46
| LER revision = 3
| Event date =
| Report date =
| ENS =
| abstract =
}}
 
=text=
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EVENTOESCRtPTION AND PROSA8LI.CONsECUENCES h i l o 121 l During normal operation surveillance testing to satisfy TS Table 4.2-i revekted I
ga43; l 2 of 4 shutsown cooling permissive switches ser in excess of the 75 psig limit in I
ioi4; l TS table-3.2-1.
01-PS-128A switch number 1 was set 17 psig high and switch ~ nte.mber I
go;3; [ 2 was set 9 psig high-The redundant switches associated with 02-PS-12SB were
{
toisI I within TS limits.
The event did not represent a-significant hazard to the public l
l0;7j l heal th and safety.
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CCOURRENCE REPORr REVISICM LIRiRo EvtNTYEAR R EPORT NO.
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cAusE CEsCRIPT g i, o ; l The cause-of the incorrect setpoint is attributed tar drif t.
The switches were i
g;,il immediately recalibrated and returned to service.
Surveill'ance frecuency has 1
,,,,,l been increased from menthly to weekly.
This increased surveillance testing will l
,,,,,l be maintained until stability is demonstrated.
No additional action is required.
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}}
 
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