05000271/LER-1980-023-03, /03L:on 800712,snubber RR-78 on Recirculating Pump Motor B Was Found to Have No Visible Fluid in Sight Glass & Failed to Lock Up within Procedural Tolerances When Tested. Caused by Fluid Leakage.Lenz Fittings Were Replaced

/03L:on 800712,snubber RR-78 on Recirculating Pump Motor B Was Found to Have No Visible Fluid in Sight Glass & Failed to Lock Up within Procedural Tolerances When Tested. Caused by Fluid Leakage.Lenz Fittings Were Replaced

ML19330C751
Person / Time
Site:	Vermont Yankee File:NorthStar Vermont Yankee icon.png
Issue date:	08/06/1980
From:	Murphy W VERMONT YANKEE NUCLEAR POWER CORP.
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I)
Shared Package
ML19330C742	List: 05000271/LER-1980-023, Forwards LER 80-023/03L-0 05000271/LER-1980-023-03, /03L:on 800712,snubber RR-78 on Recirculating Pump Motor B Was Found to Have No Visible Fluid in Sight Glass & Failed to Lock Up within Procedural Tolerances When Tested. Caused by Fluid Leakage.Lenz Fittings Were Replaced
References
LER-80-023-03L, LER-80-23-3L, NUDOCS 8008110417
Download: ML19330C751 (1)

LER-1980-023, /03L:on 800712,snubber RR-78 on Recirculating Pump Motor B Was Found to Have No Visible Fluid in Sight Glass & Failed to Lock Up within Procedural Tolerances When Tested. Caused by Fluid Leakage.Lenz Fittings Were Replaced

Event date:
Report date:
2711980023R03 - NRC Website

text

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60 61 DOCK ET NUYBER 68 69 EVENT D ATE 74 76 REPORT DATE 80 EVENT DESCRIPTION AND PROBABLE CONSEQUENCES h l 012 ] IDuring a planned maintenance shutdown, snubber RR-78 on the B Recirc pumo motor was l

l0l3l jfound to have no visible fluid in its sight glass and subsequently failed to lock-up I

10141 Iwithin procedural tolerances when functionally tested in the as-found condition.

I l0151 lSince RR-78 was returned to service prior to start-up and due to the lack of a l

l o is I lseismic event requiring it to function, no consequence adverse to public health and l

l 0 l 7 l lsafety resulted.

Similar previous occurrences were reported as RO 79-26, 79-9, and l

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