ML20058L107
| ML20058L107 | |
| Person / Time | |
|---|---|
| Site: | Monticello  |
| Issue date: | 11/11/1975 |
| From: | Grue T NORTHERN STATES POWER CO. |
| To: | |
| Shared Package | |
| ML20058L058 | List: |
| References | |
| LER-LER-751111-07, LER-LER-751111-7, NUDOCS 9105070391 | |
| Download: ML20058L107 (1) | |
Text
1 f
_m UCENSEE EVENT REPORT coroADt etoex l l
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6 Lef NSIE tlCENSE I VE NT NAME L ICE NSE NOViiE R T Y PI IvPE
@ lv lN lM l Nl Pl 1l l 0 l 0l-l0 l 0 l 0l 0l 0l-l 0l 0l l4 l1 l1 l1l 1l l0l1l 7 89 14 15 25 26 30 31 32 YO[ $YSdE$
A'E GCP, cot.st Nuvet h t vt NT cAvr urPoni cavt
[ CON 1l P! () (I_] M h !5 l0 l-l 0 l 2 l 6l 3l l 0l 9l Il 2l7 l 5l l1 l1 l 1l 1l7 l5 l 7 8 67 56 59 60 61 60 69 74 75 80 EVEt DE SC A# iGN
@ lDurirs local leak rate test it was found that HPCI-9 turbine exhaust line check l
7 69 gg h l valve was leaking in excess of Technical Specification accepta ce criteria.
Lapped l 7 89 80 EE l seats and retested.
Passed local leak rate test.
Similar previous events.
l 7 89 80 l(A0 263/75-17-7) l 7 69 gg BG I I
7 89 80 mt t a s'tv cAJEE countwf v cousry.,E v CODI CDDE covp;Nt%' tc.!
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[Y_j 7 89 10 11 12 17 43 40.
47 46 CAUSE DESCRIPTION
$ l Anchor Mfr. Co. 16"-1506 Swinn Check valve.
Scratched seating surface found.
l 7 89 80 ll l Seating surfaces lapped.
l 7 89 80 Ml I
7 e9 eo sa:u,
VENDO OF ETA M
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10 11 44 45 80 PERSONNEL EXPOSUPES NvVE=E A T v PF DE SC OPT'E N l 0 !O l0l bA l
'E9 11 12 13 BD PEASONNEL INJJ AT S N;va A DE5:Lc' ON EE h l010 l lNA l
7 69 li 12 80 DrFS,TE CONSEGUENCES H I KA l
7 89 80 LCSS CA DAMAGE TO FACILITY
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