05000267/LER-1981-006-03, /03L-0:on 810107,during Annual Testing & Calibr, Six Helium Circulator Seal Malfunction Pressure Differential Switch Units Discovered to Have Trip Points Set Outside Tech Spec Limits.Cause Unstated.Switches Readjusted: Difference between revisions

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{{Adams
#REDIRECT [[05000267/LER-1981-006-03, During Annual Testing & Calibr,Six of 12 Helium Circulator Seal Malfunction Pressure Differential Switch Units Tripped Outside Limits.Caused by Dirt Accumulation in Electrical Switches.Switches Replaced]]
| number = ML20003B115
| issue date = 02/03/1981
| title = /03L-0:on 810107,during Annual Testing & Calibr, Six Helium Circulator Seal Malfunction Pressure Differential Switch Units Discovered to Have Trip Points Set Outside Tech Spec Limits.Cause Unstated.Switches Readjusted
| author name = Gahm J
| author affiliation = PUBLIC SERVICE CO. OF COLORADO
| addressee name =
| addressee affiliation = NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION IV)
| docket = 05000267
| license number =
| contact person =
| document report number = LER-81-006-03L, LER-81-6-3L, NUDOCS 8102100369
| package number = ML20003B109
| document type = LICENSEE EVENT REPORT (SEE ALSO AO RO), TEXT-SAFETY REPORT
| page count = 1
}}
{{LER
| Title = /03L-0:on 810107,during Annual Testing & Calibr, Six Helium Circulator Seal Malfunction Pressure Differential Switch Units Discovered to Have Trip Points Set Outside Tech Spec Limits.Cause Unstated.Switches Readjusted
| Plant =
| Reporting criterion =
| Power level =
| Mode =
| Docket = 05000267
| LER year = 1981
| LER number = 6
| LER revision = 3
| Event date =
| Report date =
| ENS =
| abstract =
}}
 
=text=
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.N Rc F O AM 366 U. S. NUCLEAR REGULATORY COMMISSION (7 771 LICENSEE EVENT REPORT O
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't AE* CAT CATE 80 EVE *.T OESCRIPTICN AND PROB ABLE CCNSEQUENCES h 10121 lDuring annual testing and calibration. six of the tvelve helium circulator seal =al-l [ol3l 1 function pressure differential switch units were discovered to have a trip noint out-l l o 14 j l side the limits of LCO 4.4.1, Table 4.4-3.
These are recortable per Fort St. Vrain 1
1o is j l Technical Specifications AC 7.5.2(b)1 and AC 7.5.2(b)2.
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Latest revision as of 10:02, 26 May 2025