05000267/LER-1980-003-03, /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

/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: 05000267/LER-1980-003, Forwards LER 80-003/03L-0 05000267/LER-1980-003-03, /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
References
LER-80-003-03L, LER-80-3-3L, NUDOCS 8002120724
Download: ML19260E000 (1)

LER-1980-003, /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

Event date:
Report date:
2671980003R03 - NRC Website

text

NRC FORM 366.

U. S. NUCLEAR REGULATORY COMMISSION

- 77)

LICENSEE EVENT REPORT CONTROL BLOCK: l l

l l

l l lh (PLEASE PRINT OR TYPE ALL REQUIREO INFORMATION) 1 6

l C l 0 l F l S l V I 1 l@l 0 l 0 l - l 0 l 0 l 0 l 0 l 0 l - l 0 l 0 l@l 4 l 1 1l2 0l@l l

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7 8 9 LICENSEE CODE 14 15 LICENSE NUMBER 25 26 LICENSE TYPE JO 57 CAT 58 CON'T 3c[0"' lL @l015l0l0l0l2l617 @l011l1l0l8l0}@l l

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3 60 61 COCK ET NUMB ER 68 69 EVENT DATE 74 75 RE80RT CATE d3 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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044l l 1

30 7

3 3 SYSTEM

CAUSE

CAus.

COMP VALVE CCCE CODE SUSCOOt COMPONENT CODE SUSCCCE SUSCCCE l C l a l@ L3_l@ l c l@ IS lu lF l0 lR lr l@ lA i@ l Zl@

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13 11 12 13 18 13 20 SEQUENTI AL OCCURRENCE REPORT R EVISION tc EVENT VEAR REPCHT NO.

CODE WDE NO.

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,,,, 21 22 23 24 26 27 28 23 30 31 32 T K N A

ON O P NT METM HOURS S8 i FC B.

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33 34 35 36 31 40 41 42 43 44 47 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.

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7 8 9 90 SA ar. POWE R OTHER STATUS 015 0 RY DISCOVERY CESCRIPTION l Dl@ l0 l 0 0l@lN/A l

l C l@l Engineering Analysis of Hangers l

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ACTiveTV CO TENT CF RELEASE AMOUNT CF ACTIVITY LOCATICN OF RELEASE aELEASE@D l Z l@l N/A l

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l Zl 1 16 7

3 3 to 11 44 45 80 PERSONNEL EXPCSURES NUM8ER TYPE C ESCRIPTION t l7 l 01010l@l Zl@lN/A l

.ER $cNNE L,NJ ES S

NUY9ER OESCRIPTICN j g{j 7jg l Ol 010l@lN/A I7Jl J9L l

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d 9 11 12 80 LOSS OF CR OAMAGE TO FACILITV f

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TYPE OESCRIPTION lNl@lN/A l

1 9

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'40 NPC USE CNLY ISSUEfhl DESCRIPTION lN N/A l

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