ML20058K952
| ML20058K952 | |
| Person / Time | |
|---|---|
| Site: | Monticello  |
| Issue date: | 03/19/1976 |
| From: | Mayer L, Nolan L NORTHERN STATES POWER CO. |
| To: | James Keppler NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION III) |
| References | |
| LER-LER-760319, NUDOCS 9105030435 | |
| Download: ML20058K952 (2) | |
Text
F L!CENSEE EVENT REPORT CONTRot 8 tocol l
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6 NAug LCENSE NUMBER ypt
, pg 01 l Ml Nl Ml Nl Pl1 l l 0 l 0l-l 0l 0l Ol 0l Ol-l Ol 0l l4l1 l1l1l1l l0l3l 7 89 14 15 25 26 30 31 32 CATEGORY T
O DOCKET NUMBER EVENT CATE REPORY CATE O1 CONT l l
l U lL l l 01510l-l 0l 2l 6l 3l l012l2l017l6l l0l3l11 9 l 7l 5l 7 8 57 58 59 60 61 68 69 74 75 so EVENT DESCRIPTION
@ l hhile performing pre-shutdom inspection of air eiector room found 1/2" elbow l
7 89 ao ME l 1eaking en condensate return line down stream of trap. No previous similar l
7 89 80 35 l occurrences. Replaced elbow.
Investigation continuing to determine if addi-l 7 89 80 EG l tional corrective action recuired.
Of-RO-76-01).
l 7 89 30
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7 89 pnug 80 DE C
CCMPONENT CODE MA E
VOLATON
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IPlIlPI d ylXl lLl lB l3 l4 l5 l lNl 7 89 10 11 12 17 43 44 47 48 CAUSE DESCRIPTION el Erosion of elbow wall caused by hot steam drains flashing after passing l
7 89 80 El throuch tran. Failed elbow was 7 89 1/2" 6000# Bonnev.
Replaced with 1/2" 6000#
l 80 El National Valve elbow.
I FACiuTy METMOD OF STATUS
% POWER CTHER STATUS 35COVERY DISCOu f AY OESCRIPTON r
LDj l 0l 0l 5l l NA j
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7 8 9
10 12 13 44 45 46 80 ACTMTV CONTENT RELEASED CF PELEASE AMOUNT OF ACTMf Y LOCATION OF F4LE ASE E
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7 8 9
10 11 44 45 80 PERSONNEL EXPOSUAES NUMBER TY PE CESCRIPTION H 1010101 L;j l m I
7 89 11 12 13
-0 PERSONNEL INJUR:ES NUV BE R DESCRIPTION 3 l0l 0l 0l l m
l 7 89 11 12
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B0 OFFSITE CONSEQUENCES 3I n
I 7 89 eg LOSS OR DAMAGE TO FACIL!TY Tym DE SCRIPT:CN b [7.]
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ADDITIONAL FA>:TORG 81 I
7 99 60 9105030135 760319 f
@l CF A #CK 05000263
,5 7 89 PDR l
80 g
NAME: _la
'Jolan PHONE. f42/295-5151 9)
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SGJatoly Dod;et ble
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NSP NORTHERN STATES POWER COMPANY M IN N E A PO L.l S. MI N N E S OTA 55401 yV t k b $!';%.
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5 MAR 251976* q x,
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Mr J G Keppler, Director, Region Ebw
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Office of Inspection & Enfo(cchent g
h 6p j U S Nuclear Regulatory Co=nis's.M"..
799 Rocsevelt Road Glen Ellyn, IL 60137
Dear Mr Keppler:
MONTICELII) NUCLEAR GENERATING PIANT Docket No. 263 License No. DPR-22 Condensate Return Line Elbow Failure The Licensee dvent Report for this occurrence is reproduced on the back of this letter. Enclosed are 3 copies.
Yours very truly, ha L 0 Mayer, PE Manager of Nuclear Support Services 1DM/MIV/ak cc: Director, IE, USNRC (30)
Director, MIPC, USNRC (3)
G Charnoff MPCA Attn: J W Ferman 30SS I
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