ML20058L228
| ML20058L228 | |
| Person / Time | |
|---|---|
| Site: | Monticello  |
| Issue date: | 02/07/1975 |
| From: | Nolan L NORTHERN STATES POWER CO. |
| To: | |
| Shared Package | |
| ML20058K743 | List: |
| References | |
| LER-LER-750207-03, LER-LER-750207-3, NUDOCS 9105130406 | |
| Download: ML20058L228 (1) | |
Text
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CENSEE EVENT REPORT CONTROL BLOCK.I l
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[PLEASE PRWT ALL REOUIRED INFORMATION) a" 6CEN5EE LCENSE EVENT NAME iCENSE NUVBER T YPE TYPE
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'5 25 26 30 31 32 CATEGOQY T pF su OOCKET NUMBE A EVENT DATE REPORT DATE
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,>l :l ?l ~ } ~ l ~ t 7 8 57 58 59 60 61 68 69 74 75 80 EVENT DESCRIPTION gg l While performing a local leak rate test, the LPCI A Testable Check l
80 7 89 on l Valve A010-46A was found leaking in excess of the acceptance criteria l
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l for local leak rate tests. The redundant isolation valve was operable.
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Sinilar events occurred durine sprint refuelint outates 1973 and 1974.
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I eeatir'c surfaces cleaned and larmed (A0 263/75-1).
I 80 7 89 paue S YSTEM CAUSE COM00NENT COMPONENT CODE COOE COMPONENT CODE SUPPLER MANUFACTUREP VOLATON l 3l Dl l Y ! A l Ll Y! b N l
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7 89 10 11 12 17 43 44 47 48 CAUSE DESCRIPTION O8 l Failed leak test due to accumulation of scale on seatinc surfaces l
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l 16-inch Testable Check Valve, Atwood S S'orrill Cc=Oany, DhG. No. 20746H j
O 7 89 gl SeatinC surfaces cleaned and lapped. Retested satisfar. tory.
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I 12 7 6 10 11 44 45 50 NEL EXPOSUAES wuMBE A T* PE DESCAiPTCN 13 i 'l Pl j ]
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7 89 9105130406 750210 s0 CF ADOCK 05000263
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12/295-5151 NAME-PHOrd GPO 091 667
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