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| {{Adams
| | #REDIRECT [[05000327/LER-1981-020-03, /03X-1:on 810207,w/unit in Mode 5 & Auxiliary Bldg Gas Treatment Sys Train B Fan Discharging Through Shield Bldg Exhaust Vent,Radiation Monitor for Exhaust Path 2-RM-90-100 Discovered Inoperable.Cause Not Stated]] |
| | number = ML20008E896
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| | issue date = 03/06/1981
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| | title = /03L-0:on 810207,radiation Monitor for Exhaust Path 2-R-90-100 Found Inoperable W/Unit in Mode 5 & ABGTS Train B Fan Discharging Through Shield Bldg Exhaust Vent. Caused by Mod to 480-volt Shutdown Board on 810206
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| | author name = Mcgriff J, Wilkey A
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| | author affiliation = TENNESSEE VALLEY AUTHORITY
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| | addressee name =
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| | addressee affiliation = NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II)
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| | docket = 05000327
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| | license number =
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| | contact person =
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| | document report number = LER-81-020-03L, LER-81-20-3L, NUDOCS 8103100477
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| | package number = ML20008E895
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| | document type = LICENSEE EVENT REPORT (SEE ALSO AO RO), TEXT-SAFETY REPORT
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| | page count = 1
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| }}
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| {{LER
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| | Title = /03L-0:on 810207,radiation Monitor for Exhaust Path 2-R-90-100 Found Inoperable W/Unit in Mode 5 & ABGTS Train B Fan Discharging Through Shield Bldg Exhaust Vent. Caused by Mod to 480-volt Shutdown Board on 810206
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| | Plant =
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| | Reporting criterion =
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| | Power level =
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| | Mode =
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| | Docket = 05000327
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| | LER year = 1981
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| | LER number = 20
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| | LER revision = 3
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| | Event date =
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| | Report date =
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| | ENS =
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| | abstract =
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| }}
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| =text=
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| ' EVENT DESCRtPTION AND PROB ABLE CONSECUENCES h l o l 2 l l With unit in rode 5 and the AEGTS train B fan discharging through the shield building p g l exhaust vent, an operator observed that the radiatio".' monitor for that exhaust path
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| iog.; l (2-R-9.0-100) was in'perable. The plant immediately implemented action statements l
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| o lo13j l 42 and 44 of LCO 3.3.3.10, and initial sa:cples indicated no iodine or particulate l release and les's than 10% of the allowable release for noble gase's'.
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| There was no lc }6 l [o y [ effect on public health or safety. No previous occurrences.
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| ii4ii I the shutdown boards at 1330 CST on 2-6-81. operations failed to note that 2-R-90-100 Iil2l l would be affected. Procedures used to de-energize vital boards will be revised to li#3l l specify the safety related equipment' supplied by the boards.
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| Name of Preparer 3.M.McCrif f / A.M.Wilkev Phene (615) 842-8317 _
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| l 8108100 %
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| }}
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| {{LER-Nav}}
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