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| {{Adams
| | #REDIRECT [[05000259/LER-1981-037-01, /01-3:on 810629,indication Observed on Vessel Side of Valve Weld During Reactor Water Cleanup Sys Inboard Primary Containment Isolation Valve 69-1 Ultrasonic Insp on 810621]] |
| | number = ML20010B917
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| | issue date = 08/11/1981
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| | title = During Ultrasonic Testing,Indication Confirmed on Vessel Side of Reactor Water Cleanup Sys Inboard Primary Containment Isolation Valve. Cause Unknown.Gate Valve Replaced
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| | author name = Holder G
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| | author affiliation = TENNESSEE VALLEY AUTHORITY
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| | addressee name =
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| | addressee affiliation = NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II)
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| | docket = 05000259
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| | license number =
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| | contact person =
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| | document report number = LER-81-037-01X, LER-81-37-1X, NUDOCS 8108180477
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| | package number = ML20010B914
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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 = During Ultrasonic Testing,Indication Confirmed on Vessel Side of Reactor Water Cleanup Sys Inboard Primary Containment Isolation Valve. Cause Unknown.Gate Valve Replaced
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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 = 05000259
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| | LER year = 1981
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| | LER number = 37
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| | LER revision = 1
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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:_
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| UPDATE REMRT - PREVIOUS REPORT DATE 7 /1U/g 1EA3 KEGMATD COMISSION LICENSEE EVENT REPORT
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| . ~, <
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| CONTROL BLOCK: l l
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| l l
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| l l Ih (PLEASE PRINT OR TYPE Lt REQUIREO INFORMATION) 1 6
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| g o i 7
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| 8 9 LICENSEE CODE 14 15 LICENSE NUMBEH 25 26 LICENSE TYPE JO 57 CAT 68 CON'T M
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| s$$ I L hl 0l 5 l 0 l 0 l 0 l 2 l 5 l 9pl 0 l 6 l 2 l 9 l,8 l 1 l@l 0l8 l1 l1 l8 l1 lg 7
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| 8 60 61 DOCK ET NUMBER 68 69 EVENT DATE 74 75 REPORT DATE 80 l
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| EVENT OESCRIPTION ANO PROBABLE CONSEQUENCES h Lo_RJ l Durine refueling outage, reactor water cleanup system inboard primary containment i
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| An indication was l o l 3 l l isolation valve 69-1 was ultrasonically inspected on 6/21/81.
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| I o I 41 I observed on the vessel side of the valve weld.
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| (T.S. 3.6.G)
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| A subsequent radio-l l o l <> l l graph showed no indications. On 6/24/81 a UT inspection by a level II inspector g
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| There was no danger to the health or safety of the public. g 1016 ] l confirmed an indication.
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| O 7 l Previous similar event: BFRO-50-259/80004.
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| [
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| l i
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| lolHl l 80 SYSTEM
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| ==CAUSE==
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| CAUSE COMP.
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| VALVE CODE CODE SUBCODE COMPONENT CODE SUBCODE SUBCODE E
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| l CI cl@ Lx_]@ Lz_J@ I z l z i z i z i z i z i@ 6@ 3 8 7
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| 8 9
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| 10 11
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| .?
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| 13 18 19 20 SEQUENTIAL OCCURRENCE REPORT REVISION LE R kVENTYEAR REPORT NO.
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| CODE TYPE No.
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| @sug,RO 18111 L--J 1013171 LJ 1o 11 1 8
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| 9 W
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| at
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| _ 21 22 23 24 26 27 28 29 30 31 34 AK f A
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| ON PL NT MET HOURS 22 S8 i FOR 8.
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| J3 34 Jb 36 31 40 41 42 43 44 47 CAUSE DESCRIPTION ANO CORRECTIVE ACTIONS 21 The Velan Model 900 lb, 6 inch, SS stainless I n J o l l Cause is unknown at this time.
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| steel gate valve, rated at 1146 psi at 500 degrees fahrenheit (normal operating I
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| i i i
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| ,, l pressure 960 psi) was replaced. The indication is. acceptable under.the summer l 1978 Addenda to ASME Section XI Code. This c'oneidered a raedom event and no
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| , i [il4i l further recurrence control is required.
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| l 80 i
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| l 80 i
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| n 9 10 PuauCi r y 8108180477 810811 NRc USE ONLY PDR ADOCK 05000259 1 l ol [N,jh[oEsCmPrioN
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| . e.uE n NA S
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| PDR I
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| IIIIlIIIIIIIII 8i8 69 80 5 Gene Holder (205) 729-6134 a 9 10 o
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| NAVE OF PREPAPER PHONE:
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| }}
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| {{LER-Nav}}
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