05000325/LER-1981-009-03, /03L-0:on 810115,sys Oil Cooler Inlet Isolation Valve 1-E51-F046 Would Not Open from RTGB Resulting in Reactor Core Isolation Cooling Inoperability.Caused by Incorrect Motor Control Ctr Key Lock Switch Position

/03L-0:on 810115,sys Oil Cooler Inlet Isolation Valve 1-E51-F046 Would Not Open from RTGB Resulting in Reactor Core Isolation Cooling Inoperability.Caused by Incorrect Motor Control Ctr Key Lock Switch Position

ML19339D114
Person / Time
Site:	Brunswick
Issue date:	02/05/1981
From:	Pastva M CAROLINA POWER & LIGHT CO.
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II)
Shared Package
ML19339D109	List: 05000325/LER-1981-009, Forwards LER 81-009/03L-0 05000325/LER-1981-009-03, /03L-0:on 810115,sys Oil Cooler Inlet Isolation Valve 1-E51-F046 Would Not Open from RTGB Resulting in Reactor Core Isolation Cooling Inoperability.Caused by Incorrect Motor Control Ctr Key Lock Switch Position
References
LER-81-009-03L, LER-81-9-3L, NUDOCS 8102170270
Download: ML19339D114 (2)

LER-1981-009, /03L-0:on 810115,sys Oil Cooler Inlet Isolation Valve 1-E51-F046 Would Not Open from RTGB Resulting in Reactor Core Isolation Cooling Inoperability.Caused by Incorrect Motor Control Ctr Key Lock Switch Position

Event date:
Report date:
3251981009R03 - NRC Website

text

"" @.

, m.,

1.lCENSEE EVENT REPORT CONTROL CLOC : l l

l l

l l lh (PLE ASE PZlNT OR TYPE ALL REQUIRED INFORMATION) 1 6

M l N l C l B l E l P ! 1 !hl 0 l 0 l - l 0 ! O l 0 ! O l 0 l - l 0 l 0 l@l 4 l 1, l 1 l 1 l 1 lh!

l l@

7 8 9 LICENSEE CODE 14 15 UCENSE NUM6EH 25 26 LICENSE TYPE Jo 3/ CAT bd CON'T lolil 5$R$lL @l015l0l-10l312l5 @l011l115l811l@l012 l o I 5 I 8 l1 l@

I 8

60 61 OOCKET NUMBER 6d 69 EVENT OATk 14 75 REPORT DATE 80 EVENT OESCRIPTION AND PROB ABLE CONSEQUENCES h M l Durinz the performance of the RCIC Systen Ccerenent Orerability Tent. P.T.

10.2.

I lO[3] l the system oil cooler inlet isolation valve. 1-E51-F046. would not open fron IO14Ilthe RTCB thereby makinst the RCIC system inoperable. This event did not nffect the l

I ITITl I health or safety of the public.

1 O e 1 l

l0 l7 l [

I 0 is l 1 Technical Specifications 3.7.4. 6.9.1.9b l

SYSTEM

CAUSE

CAUSE COMP.

VA LV E COf4 COOE SUSCODE COVPONENT COOE SUSCOOE SUSCOOE l Cl El h W h W h II lN lS lT lR lU lh l S lh (_Zj h O 9 7

8 9

80 33 12 13 18 19 20 SEQUENTIAL OCCURRENCE REPORT REVISION LER RO EV E NT YEA R REPORT NO.

CODE TYPE NO.

@,ag ;

I 81 il l-l l 01 0l 9l l/l l 0l 3l lLl

[-]

l 0]

,,,, 21 22 23 24 26 27 28 29 30 31 32 TA N A O

ONP NT MET HOURS 22 58 17 FOR B

$ PDL E MAN FACTURER lXlg y @

lZl@

l Z l@

l0 l0 l0 l0 l [Y l@

l Yl@

lAl@

lX l9 l9 l9 l@

34 3h 36 31 40 41 42 43 44 47 33 CAUSE DESCRIPTION AND CORRECTIVE ACTIONS h lil0llThe valve notor control center local-normal kev lock switch was not fully turned to I

l the " normal" position which prevented an open sictnal to the ' valve from the RTGB control i i

, 2 l switch. The key lock switch was positioned to " normal" and the valve operated satis-l g l f actorily. A check of the other motor control center key lock switches on both units l I

R D l did not reveal any problems.

80 7

8 9 STA S

% POWER OTHER STATUS O SCOV RY OtSCOVERY OESCRIPTION NA l l B l@l Periodic Test l

l t l 5 l l F lh l 0 l 8 l 6 ]@l ACTfVITY C TENT RELE ASED OF RELE ASE AMOUNT OF ACTIVITY LOCATION OF RE LE ASE NA l l

NA l

@l 1 6 80 7

8 9 10 gi 44 45 PERSONNEL EXPOSURES NUMBE R

DESCRIPTION

l 0 ] 0 l 0 lh[ TYPE @l Z_j NA l

7 PERSONNEL eMJURIE.S OEscmPT,0N@

~ UMBER NA l

W l 0l 0l Ol8L 80 7

8 9 la 12 LOSS OF OR DAMAGE TO FactLITY TYPE

DESCRIPTION

W @l NA l

i 9 80 7

C y 70 ISSUdEL 8l NA I lllIIIIIIIlIl%I DE CmPYlON 2 o

$8 69 80 3 7

8 9 10 919-457-9521 NAME OF PREPARER PHONE:

8102170M @

=.

=_

..=

= _.

a 1

i LER ATTACW.ENT - RO # 1-81-009 d

i Facility: BSEP Unit No. 1 Event Date: 1-15-81 i

All operations personnel will review this LER with emphasis on the need to as,sure that control switches are in their i

required positions.

i 4

i e

k e

r l

1 l

l-I i

l l

l l

i

...y l

L