ML20058L079
| ML20058L079 | |
| Person / Time | |
|---|---|
| Site: | Monticello  |
| Issue date: | 11/11/1975 |
| From: | Iverson O NORTHERN STATES POWER CO. |
| To: | |
| Shared Package | |
| ML20058L058 | List: |
| References | |
| LER-LER-751111-04, LER-LER-751111-4, NUDOCS 9105070382 | |
| Download: ML20058L079 (1) | |
Text
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1 LICENSEE EVENT REPORT CONTROL BLOCK l l
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(PLEASE PRINT ALL REQUIRED INFORMATION) 1 6
M f NSE E L E I NSE i vf NT NAVI LIC E N5t Novtil k T v pf t
- Pi lM N lM ! Nl Pl1 l l 0 l 0l-l0 l 0 l 0l 0l 0l-l 0l 0l l4 l 1 l1 l 1l 1l l0l1l 7 E9 14 15 25 PE 30 31 32 Tyk s"$Mt CA't G?n*
DUt.i? NevH n a6 INT Lair ofPom tan
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lL l l 0l 5l 0l-l 0 l 2l 6l 3l l 0 } 9l 1l 3l 7 l 5 l l1 l1 l lj 1l 7l 5l 7 6 57 56 59 60 61 68 69 74 75 80 EVENT DESC AiPliCN
@ lkhile perfoming local leak rate tests both core spray check valves A014-13A l
7 89 g3 IEE land A014-13L we re found leaking in excess of the acceptance criteria.
The re-l 7 89 gg Q ldundant isolation valves were operable.
Similar previous events.
Cleaned valve j
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l seats.(A0 263/75-17-4) l 7 89 gg l
7 09 80 men s v 5'i v CAaSE covew e couw *et e
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0 7 89 10 11 12 17 43 44 47 40 CAUSE DESCAIPTION RE l Failed leak test due to accumulation of scale on seating surfaces.
8" tilting disc!
7 89 80
@ l check valve, Rockwell Mfg. Co. Fig 770 (CF8M) 2 M Y. Cleaned valve seats and re-l 7 89 80 3 l tested satisfactory.
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