ML19260E000

LER 80-003/03L-0:on 800110,while Reactor Was in Shutdown Condition,Three Hangers Found Impaired,Which Caused 21 Sys to Be Impaired.Caused by Failure to Reinstall Hangers Following Removal for Sys Mod.Hangers Will Be Modified

ML19260E000
Person / Time
Site:	Fort Saint Vrain
Issue date:	02/07/1980
From:	Gahm J PUBLIC SERVICE CO. OF COLORADO
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION IV)
Shared Package
ML19260D994	List: ML19260D993 ML19260E000
References
LER-80-003-03L, LER-80-3-3L, NUDOCS 8002120724
Download: ML19260E000 (1)

Text

NRC FORM 366. U. S. NUCLEAR REGULATORY COMMISSION

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LICENSEE EVENT REPORT CONTROL BLOCK: l 1

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(PLEASE PRINT OR TYPE ALL REQUIREO INFORMATION) 7 o i 8 9 l C l 0LICENSEE l F l CODE S l V I 141 l@l 15 0 l 0 l - l 0 LICENSE l 0 l 0NUMBER l 0 l 0 l - l 0 l 025l@l264 l 1LICENSE 1l2TYPE0l@l JO l

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,c 68 69 74 75 l l l RE80RT CATE l l d3 7 3 60 61 COCK ET NUMB ER EVENT DATE EVENT OESC9IPTION AND PROBA8LE CONSEQUENCES h

[ o_j] l On January 10, 1980, with the reactor in a shutdown condition. 3 hangers were found l o 3 l impaired, which caused the 21 system to be imoaired. The 3 hancers were llA-H-21235,1 0 4 l llA-H-21236, and llA-H-21237. This is a degraded mode of LCO 4.3.10 and is reportab1>

o s l per Fort St. Vrain Technical Specification AC 7.5.2(b)2. There was no af fect on I o e l public health or safety. Similar to Reportable occurrence Recort No. 79-58.  !

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CAUSE OESCRIPTION ANO CORRECTIVE ACTIONS h i o l Cause of System 21 i=cairment was imoairment of 3 hangers , llA-H-21325, 11A-H-21326. l l3 lij and llA-H-21327. These hangers were removed for a syste= odification and were not I i 21 l re-installed. Change Notice 1178 will modifv and re-W r all these %ce ra . I 2 3 i l i a l  !

7 8 9 90 SA ar. POWE R OTHER STATUS 015 0 RY DISCOVERY CESCRIPTION i s l Dl@ l0 l 0 0l@lN/A l l C l@l Engineering Analysis of Hangers l ACTiveTV CO TENT CF RELEASE AMOUNT CF ACTIVITY LOCATICN OF RELEASE 1 16 l Zl aELEASE@D l Z l@l N/A l lN/A l 7 3 3 to 11 44 45 80 PERSONNEL EXPCSURES NUM8ER TYPE C ESCRIPTION t l7' l '01010l@l Zl@lN/A

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