ML20041B794

LER 82-007/03L-0:on 820122,during Surveillance Test,Valve 2-CMO-429,component Cooling Water Discharge from W RHR HX, Failed to Close.Caused by Binding of Valve Shaft in Stuffing Box Bore Below Packing Due to Buildup of Corrosion

ML20041B794
Person / Time
Site:	Cook
Issue date:	02/18/1982
From:	Piehl R INDIANA MICHIGAN POWER CO. (FORMERLY INDIANA & MICHIG
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION III)
Shared Package
ML20041B788	List: ML20041B787 ML20041B794 ML20041B801 ML20041B808
References
LER-82-007-03L, LER-82-7-3L, NUDOCS 8202250209
Download: ML20041B794 (1)

Text

MRC I CAM 366 17 77) U. S. NUCLEAR REGULATORY COMMISSION LICENSEE EVENT REPORT CONTROL BLOCK: l 1

l l  ! l  !

6 lh (PLEASE PQiNT OR TYC'E ALL REQUIRED INFORMATION) lo (ild l9Ml IlUCENSEE D l CC00E l C ) 2 [@l 010 l- l 010 14 15 l 0 l 0 l 0 l- l0 l0 l@l 4j lj 1l 1l 1l@l LICENSE NUM8EH l lg 25 26 LICENSE TYPE 40 S7 CA T 5d COWT 7

Ioi11 "'

5ouRC l60' Ihl 061 l 5 l 0 l 0 l 0 l 3 l 1 l 6 gl 0 l1 l 2 l2 l 8 l 2 l@l0 l 2 l1 181812 l@

7 6 68 69 COCK ET NUMB Ea EVENT OATE 74 75 REPORT O ATE 80 EVENT DESCRIPTION AND PROBABLE CONSECUENCES h I o 12 l l VALVE 2-CMO-429, CCW DISCHARGE FROM "W" RHR HEAT EXCHANGER, FAILED TO CLOSE l

g a ;3; l PROPERLY DURING A SURVEILLANCE TEST. THE VALVE WAS REMOVED FROM SERVICE l lo i4l l AND REPLACED, CONSTITUTING AN INOPERABLE RHR TRAIN, CONTRARY TO T.S. 3.5.2. l to}sl l ON 2/08/82 THE NEW VALVE WAS REMOVED FROM SERVICE TO READJUST LIMITS DUE TO l lo is I l SEAT LEAKAGE. Ot1 BOTH OCCASIONS THE "E" TRAIN REMAINED OPERABLE, ACTION l lcl7ll STATEMENTS WERE MET AND PUBLIC HEALTH AND SAFETY WERE NOT AFFECTED. SIMILAR l l0i3l l OCCURRENCE RO 77-035 ON DOCKET 050-315. l a3 80

• C$I[E Ccie' SLeCi$E COMPONENT CC DE SL8C CE S lo131 l W l A l @ [ E l@ l D l @ l Vl Al L l V l E j X l@ [g_j @ l D l @

7 8 9 to 11 12 13 18 19 20

_ SEQUENTIAL CCCU R R E NCE REPORT R EV!SION LEn no EVENT YEAR R EPCRT NO. CODE TYPE 'iO.

h ,agaT l 8l 21 l-l 101017l l/l l013l lL l l-l l0l

_ 21 22 23 24 26 27 28 23 30 31 22 K N AC C O P NT ME HCuRS 22 5 8 i FC % a 8. SL P*LI E MAN FACTLRER lCl@lZl@

3J 34 lZl@

35 l36 Zl@ l0 l0 l0 lu l 37 l Nlg l42 Nl@ l43 Al@ l C l 1 ] 8 l 247 l@

40 48 44 CAUSE CESCRIPTION AND CORRECTIVE ACTIONS h ji l0ll THE VALVE SHAFT WAS BItOING IN THE STUFFING BOX BORE BELOW THE PACKING DUE TO  ;

ii liI I A St%LL BUILD-UP OF CORROSION PRODUCTS. THE VALVE, A 14" CENTERLINE, 150# 1

,;7; j BUTTERFLY, MODEL PR-150B (DWG. 4-8104C), WAS REPLACED WITH A PRATT VALVE. g ggl NO FURTHER ACTION IS PLANNED.  ;

l i 141 l l STEuY  % PCWER OTHER STATUS 015 O RY DISCOVERY OESCRIPTtCN NA l1 I 5 l l El@ l 1 l 0 l 0 l@l l lLl@l OPERATOR OBSERVATION l ACTIVITY CO TENT L

2ELEASED OF RELEASE AMOUNT OF ACTivlTY LOCATION OF RELEASE NA l l NA l1 l 6* l*l Z l @ l' Z l@l "

l personnel EXPOSURES "

NuM8ER l1 l 7' l' l O l 0 l 0 lhlZlTYPE @l DESCRIPTION NA l S

.ERSoNNELmukS

NuMeER oESCRipricNh l li t a 8l I9 o f al ol@l 7 11 12 NA l 30 LOSS OF CR OAMAGE TO FAClVTY TYPE DESCRIPTION Lt I s l l Zlh3)l NA l 7 8202250209 820218 80 1 PDR ADOCK 05000316 NRC USE CNLY l S PDR t f.ie, m v. mA 1

7 8 9 to I

68 69 lIl!IliIIIIIIi S0

• T R.H.P M

• l y4ygop,ggp,ggg PHONE:(616) 465-5901

• l__.-_

_ . _ _ _ _ _ __ _ _ _. _ _ _ _ _.