05000293/LER-1981-032-03, /03L-0:on 810619,reactor Coolant Leak Detection Air Sampling Sys C-19 Declared Inoperable.Caused by Valves Sticking in Closed Position Due to Dirt in Sys Check Valves. Valves Disassembled & Cleaned

/03L-0:on 810619,reactor Coolant Leak Detection Air Sampling Sys C-19 Declared Inoperable.Caused by Valves Sticking in Closed Position Due to Dirt in Sys Check Valves. Valves Disassembled & Cleaned

ML20009E791
Person / Time
Site:	Pilgrim
Issue date:	07/20/1981
From:	Mcloughlin M BOSTON EDISON CO.
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I)
Shared Package
ML20009E790	List: 05000293/LER-1981-032, Forwards LER 81-032/03L-0 05000293/LER-1981-032-03, /03L-0:on 810619,reactor Coolant Leak Detection Air Sampling Sys C-19 Declared Inoperable.Caused by Valves Sticking in Closed Position Due to Dirt in Sys Check Valves. Valves Disassembled & Cleaned
References
LER-81-032-03L, LER-81-32-3L, NUDOCS 8107280447
Download: ML20009E791 (1)

LER-1981-032, /03L-0:on 810619,reactor Coolant Leak Detection Air Sampling Sys C-19 Declared Inoperable.Caused by Valves Sticking in Closed Position Due to Dirt in Sys Check Valves. Valves Disassembled & Cleaned

Event date:
Report date:
2931981032R03 - NRC Website

text

I NRC FORM 366 U. S. NUCLEAR REGULATORY COMMISSION LICENSEE EVENT REPORT CONTROL BLOCK: l l

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8 60 61 DOCKET NUM' Ea 68 69 EVENT OATE 74 75 REPORT DAT E 80 EVENT DESCRIPTION ANO PROS ABLE CONSEQUENCES h io l2l l On June 19, 1981 at 1445 hours0.0167 days <br />0.401 hours <br />0.00239 weeks <br />5.498225e-4 months <br />, the Reactor Coolant Leak Detection Air Sampling l

System (C-19) was declared inoperable.

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40 41 42 43 44 47 CAUSE DESCRIPTION AND CORRECTIVE ACTIONS h ji 10 l l This event was caused by dirt in the system check valves which caused the valves [i )i l l to stick in the closed position. The check,alves were dinn==nmhind

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