ML19330C751
| 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: |
| References | |
| LER-80-023-03L, LER-80-23-3L, NUDOCS 8008110417 | |
| Download: ML19330C751 (1) | |
Text
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LICENSEE EVENT REPORT LER 80-23/3L
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(PLEASE PRINT OR TYPE ALL REQUl2ED INFORMATION)
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LICENSEE CODE 11a
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7 8 60 61 DOCK ET NUYBER 68 69 EVENT D ATE 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 l
l 0181 176-26.
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EVENT YEAR REPORT NO. CODE TYPE N O.
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44 47 C AUSE DESCRIPTION AND CORRECTIVE ACTIONS l i l o l lRR-78 failed due to fluid leakage at Lenz tubine connections. The Lenz fittines were I i i Ireplaced, the unit was functionally retested and rqinstalled nrior to nrn eim I iii2i l(T.C.3.6 I.4). Since snubber RR-78 failed to pass Che visual examination. the I l
g l inspection ..terval will remain at 12 months 25% RR-78 is a Grinnell Figure 201 l g ghock suppressor. 80 I
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- spowER OTHER STATUS @ $1SEONRY DISCOVERY DESCRIPTION
! l1151 l Gl@ l 0 l 0 l 0 l@l NA l l B l@l Visual Inspection - routine l
- 7tVITY 00 TENT l RE6dASED OF REf E ASE AMOUNT OF ACTIVITY LOCATION OF REL ASE l
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, 7 8 9 to 11 l PERSONNEL EXPOSURES NUMBER TYPE DESCRIPTION l
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PERSONNE L tNJV IES NUV8E R DESCRIPTION NA l y l 0] 0l 0l@l 80 j 7 8 9 11 12
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LOSS OF OR DAMAGE TO FACILilY Q TYPE DESCRIPTicN v 1 9 NA l 8 9
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[ Njhl 80081104l7 NA l llll1llllllIl:1 7 8 9 to 68 69 80 5 NAME OF PREPARER
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