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| {{Adams
| | #REDIRECT [[05000313/LER-1980-016-03, /03L-0:on 800611,during Hydrogen Purge Sys Surveillance Testing,Proper Sys Flow Could Not Be Obtained. Caused by Rust Scale Lodged in Check Valves.Check Valves Cleaned & Reassembled]] |
| | number = ML19338F200
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| | issue date = 08/27/1980
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| | title = /03X-1:on 800611,during Hydrogen Purge Sys Surveillance Testing of Loop B,Proper Flow Through Sys Was Unobtainable.Caused by Lodging of Rust Scale in Hydrogen Check Valves HPA-4,HPA-10 & HPA-128.Valves Cleaned
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| | author name = Shively C
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| | author affiliation = ARKANSAS POWER & LIGHT CO.
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| | addressee name =
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| | addressee affiliation = NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION IV)
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| | docket = 05000313
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| | license number =
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| | contact person =
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| | document report number = LER-80-016-03X, LER-80-16-3X, NUDOCS 8010070625
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| | package number = ML19338F195
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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
| |
| | Title = /03X-1:on 800611,during Hydrogen Purge Sys Surveillance Testing of Loop B,Proper Flow Through Sys Was Unobtainable.Caused by Lodging of Rust Scale in Hydrogen Check Valves HPA-4,HPA-10 & HPA-128.Valves Cleaned
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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 = 05000313
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| | LER year = 1980
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| | LER number = 16
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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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| {{#Wiki_filter:..
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| g Update Report - Previous Report Date 7/10/80 NRC POR84 See U. S. NUCLE AR REGULATORY CC-^
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| (7 77)
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| LICENSEE EVENT REPORT EXHIBIT A CONTROL 8 LOCK: l l l I l l 1h (PLEASE PRINT OR TYPE ALL REQUIRED INPOma4ATIONI
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| CON 4
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| [ VENT CESCRIPTION AND PROBAGLE CONSEQUENCES h ITTil I Durina hydrocen ourae system surveillance testii:a of Looo B oer operatinal o
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| i procedure 1104.33 Supplement II, proper flow through the system was un-,
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| i able ^o be obtained. Hydrogen purge Loop A was verified operable per thei o.
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| gi last surveillance test.
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| i o e i There have been no similar occurrences.
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| I o, i Reportable per T.S.6.12.3.2.(b).
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| 40 46 og 43 es og CAUSE DESCRePflON ANO CORRECrlVE ACTIONS m i Cause of flow degradation was determined to be due to rust scale being i
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| ,, i lodged in the following hydrogen purge check valves: HPA-4, HPA-10, HPA,
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| ,, i 128. Valves were cleaned.
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| Source of moisture identified as Service i Water leakinq by seals on idle ventilation fans, VSF30A/B, VSF37A/B.
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| , 3 i Service Water Solenoid Valves added, linked to fan operation.
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| .ua OP PnEPAnER.. Chris N. Shively
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| ,non s.
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| 8010070625 Approvt.1 Geml Mammre
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| }}
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| {{LER-Nav}}
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