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| {{Adams
| | #REDIRECT [[05000313/LER-1980-012-03, /03L:on 800406,while Performing Monthly Inservice Valve Stroke Test,Emergency Feedwater Supply valves,CV2667 & CV2617,failed to Fully Open.Caused by Binding Due to Loose Bolts Securing Actuator]] |
| | number = ML19340B548
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| | issue date = 11/07/1980
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| | title = Emergency Feedwater Supply Valve CV-2667 Failed to Open.Valve Failed Next Day Along W/Emergency Feedwater Supply Valve CV-2617.Caused by Loose Bolts Securing Actuator to Valve
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| | author name = Shively C
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| | author affiliation = ARKANSAS POWER & LIGHT CO.
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| | addressee name =
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| | addressee affiliation = NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION IV)
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| | docket = 05000313
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| | license number =
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| | contact person =
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| | document report number = LER-80-012-03X-01, LER-80-12-3X-1, NUDOCS 8011110273
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| | package number = ML19340B543
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| | document type = LICENSEE EVENT REPORT (SEE ALSO AO RO), TEXT-SAFETY REPORT
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| | page count = 1
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| }}
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| {{LER
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| | Title = Emergency Feedwater Supply Valve CV-2667 Failed to Open.Valve Failed Next Day Along W/Emergency Feedwater Supply Valve CV-2617.Caused by Loose Bolts Securing Actuator to Valve
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| | Plant =
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| | Reporting criterion =
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| | Power level =
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| | Mode =
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| | Docket = 05000313
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| | LER year = 1980
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| | LER number = 12
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| | LER revision = 3
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| | Event date =
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| | Report date =
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| | ENS =
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| | abstract =
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| }}
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| =text=
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| {{#Wiki_filter:REVISED REPORT - PREVIOUS REPORT DATE 5/2/80 PeRC FORM 366 U. S. NUCLE AR REGUL ATORY COMMISSION (7 77)
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| EVENT E,ESCRIPTION AP.O P"C8 ABLE CONSEQUENCES QD) ror2i i During normal power operation, while perfonning a monthly inservice valvej io!3i i stroke test, emergency feedwater supply valve, CV-2667, failed to fully i 1o1411 coen on cemand.
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| The valve was reoaired and declared _op_erable. but failedt ic is t i the following day, along with EFW supply valve, CV-2617.
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| The redundant i ic is i l EFW flow path was operable in each case.
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| The occur. 'ce i.e, similar to l
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| 101,It LER 50-313/80-005.
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| Reportable per T.S. 6.12.3.2.b.
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| CAUSE DESCR.PTION AND CC ARECflVE -CTIONS h I, lo I i Aooarent cause was binding.
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| Valve CV-2667 initiallv had the sten lub-I li li i i ricated and the toroue switch settirds readiu ded.
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| Cause nf binding was l 1,12 6 LSubsequently identified to be loose bolts securira the actuator to valve I tilall body.
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| Bolts were orocerly toroved and the torque switch was replaced to I t iis i I insure reliability.
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