View source for 05000267/LER-1980-047-03, /03L-0:on 800825,several Hydraulic Snubbers Were Found Inoperable.Caused by Improper Hot Position Adjustment on Constant Support Hangers.Snubbers Repaired or Readjusted

{{Adams
| number = ML19347A950
| issue date = 09/24/1980
| title = /03L-0:on 800825,several Hydraulic Snubbers Were Found Inoperable.Caused by Improper Hot Position Adjustment on Constant Support Hangers.Snubbers Repaired or Readjusted
| author name = Gibson J
| author affiliation = PUBLIC SERVICE CO. OF COLORADO
| addressee name = 
| addressee affiliation = NRC OFFICE OF INSPECTION &amp; ENFORCEMENT (IE REGION IV)
| docket = 05000267
| license number = 
| contact person = 
| document report number = LER-80-047-03L, LER-80-47-3L, NUDOCS 8009300563
| package number = ML19347A942
| document type = LICENSEE EVENT REPORT (SEE ALSO AO RO), TEXT-SAFETY REPORT
| page count = 1
}}
{{LER
| Title = /03L-0:on 800825,several Hydraulic Snubbers Were Found Inoperable.Caused by Improper Hot Position Adjustment on Constant Support Hangers.Snubbers Repaired or Readjusted
| Plant = 
| Reporting criterion = 
| Power level = 
| Mode = 
| Docket = 05000267
| LER year = 1980
| LER number = 47
| LER revision = 3
| Event date = 
| Report date = 
| ENS = 
| abstract = 
}}

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O NRC FO~M 384 U. S. NUCLEAO RESULATCRY COMMISSION (7 77) 1.lCENSEE EVENT REPORT l
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60 81 DOCKET NUM8ER 68 69 EVENT OATE 74
/s REPORT CATE 80 EVENT OESCRIPTION ANO PROSA8LE CONSEQUENCES h I o i 2 I l On August 25. 1980, while operating at 50% thermal never and t50 W electrical cover. I l o l a i i a scheduled surveillance showed several hydraulic snubbers to be inoperable. ''Nine of I l o 141 l these snubbers could not be repaired in the 72 hour period allowed by LCO 4.3.10, and l l o i s i I a 36 hour orderly shutdown period was entered. This caused the plant to begin a l
l o l6 l l Scheduled maintenance period one day early. No affect on public health or safety.
I o I 7 I l Shutdown reouired by LCO 4.3.10." D.eportable oer Fort St. Vrain Teebnical Specifica-l l o i a i i tion AC 7.5.2(b)2.
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LER Ro E
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42 42 4A 47 CAUSE DESCRIPTION AND CORRECTIVE ACTIONS l i l o l l Investigation of the problem revealed the ennstant sucoort hanu rs (sorine haneers)
I l i li i l vere not properly adjusted for the hot position: These hangers were not carrving the I
,,,7, l appropriate loads in the hot positions. The affected~ snubbers were repaired or re-l g l adjusted as required and the plant was shutdown in accordance with the requirements l
gof LCO 4.3.10.
Snubber repair was completed during scheduled maintenance shutdown 1
7 a,perloo.
surveillance interval ad ted to 31 days.
80
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% POWER oTHER STATUS 31 Y
OISCOVERY DESCRIPTICN li is i LEJ@ l o I 5 I o l@l N/A I
I 8 l@l aoutine scheduted surveittsnee Test i
ACTIVITY CO TENT RELE Asto Op mELEASE A.JOUNT OP ACTtVITY LOCATION OP RELEASE W W @ [Z_]gl N/A l
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7 4 9 to is 44 45 40 PER$oNNEL EXPOSURES NUM8ER TYPE DESCRIPTio4 y l 0] 0l 0l@ J @ l N/A l
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PHONE:
NAME OF PREPARER
}}

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