ML17193A628

Forwards LER 80-045/03L-0

ML17193A628
Person / Time
Site:	Dresden
Issue date:	01/11/1981
From:	Scott D COMMONWEALTH EDISON CO.
To:	James Keppler NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION III)
Shared Package
ML17193A629	List: ML17193A628 ML20002E212
References
81-25, NUDOCS 8101260570
Download: ML17193A628 (3)

Text

,.

.-. Commonwea!AEdison Dresden Nuclear - r Station R.R. #1 Mbrris, Illinois 60450 Telephone 815/942-2920

• .J:J)

• .":: co ..

., ;

• • ~ '\ .. ,

-**1 -c_ ..:..- r**

January 11, 1980 )> .r-, *..-:*

z .::J:} _.,

\.) .....

: *.::t

-* ::-31~~ *""';~ .J:""':.Jf:::J

• DJS LTR /181-25 ~~;~

-,- ~:.i,("".'i)

• -.:;i

~.'.~.;~~

._;c::~

-,-:1 "3;:

~ ~~:CG

-*-"!"C

< l'"C "**-~

James G*. Keppler, Regicmal Director .'.0

~ .r-m 'f~

Directorate of Regulatory Operations - Region III *"<(:/!)

U.S. Nuclear Regulatory Connnission 799 Roosevelt Road Glen Ellyn, IL 60137 Reportable Occurrence Report f/80-45/03L..,.O,. Docket tf.050-249 is being submitted- to your office in accordance with Dresden Nuclear Power Station Technical Specification.6.6.B.2.(b),* conditions. leading to operation in a degraded mode permitted by a limiting condition for operation or plant shutdown required by a limiting .condition for operation.

Station Superintendent Dresden Nuclear Power Station DJS/lg Enclosure cc: Director of Inspection. & Enfo.rcement Director *of. Management. Information & *Program Control U.S. NRC, Document .Mgt.

• Branch

• File/NRC JAN l 9 198f 5

i1-111 7 ' 8 9 CCNTROL-SLOCK:

LICENSEE CODE I .I 1

CillJlrlLln IR Is l3l@lo!ol-IOIOIOIOIO1-10101@141 1 111 1 1 1 1©1 14

• 15 LICENSEE EVENT REPORT 10 .

6 LICENSE NUMBER (PLEASE PRINT OR TY.LL REQUIRED INFORMATION) 25 26 LICENSE TYPE JO I

57 CAT 58 1

CON'T Io I, I  :;~~~~ ~©I o I s I o., o I o I z I 4 I 9 IGI 1 12 11 19 1s 10 I© I o I 1 I 1 I 3 I s 11 I@

7 8 60 61 DOCKET NUMBER 68 69 EVENT DATE 74 75 REPORT DATE 80 EVENT DESCRIPTION ANO PROBABLE CONSEQUENCES@

Lill] I During normal operation, while performing LPCI valve operability surveillance, the

!]JI] I drywell spray header outboard isolation valve would not close from the control room.

~ I The health and safety of the general public was not endangered because the inboard L...2....1.§_j r;;-rci . isolation valve was operable and maintained closed until the outboard valve was

._I_ _ _. _ __ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ .

[Q]]J shut. This is the first occurrence of this type for this valve.

lTIII

[Q]]J 7 8 9 80 SYSTEM CAUSE CAUSE COMP.

CODE CODE suscoDE COMPONENT CODE . SU8CPDE

[ill] Is IF I@ ~@ ~@) 1v1A1L1v1o1P1@ ~

7 8 9 10 *11 12 13 18 19 .

SEQUENTIAL OCCURRENCE REPORT REVISION

.t:":;\ LE A/RO LVENT YEAR REPORT NO. CODE TYPE NO.

0 REPORT NUMBER I8 I0 I 21 22 I .I 23 I

24 01 41 51 26 27 I0 I3 I 28 29 L!:.J 30 I I 31.

lQJ 32 ACTION FUTURE EFFECT SHUTDOWN (.;::;\ ATTACHMENT NPRD-4 PRIME COMP. COMPONENT TAKEN ACTION ON PLANT METHOD HOURS ~ SUBMITTED FORM :;us. SUPPLIER MANUFACTURER L!J@W@ W@

33 34 35 LI 36 I

37 01 01 OJ 01 40 L!!..I@

41 LI-1 42

~@>

43 I GI 44 01s I 01@

47 CAUSE DESCRIPTION AND CORRECTIVE ACTIONS @

The suspected cause of failure was a stuck plunger on the closing coil of the valve motor breaker. The plunger was freed by moving the closing coil by hand. The valve

[ill] was cycled several times while monitoring the coil. No problems were noted. In addi-IJJI1 ._I _t_i_o_n_,_s_i_n_c_e_t_h_e_f_a_i_l_u_r_e_t_o_o_p_e_r.,a_t_e~,.,t_h_e_v_a_l_v_e_h_a_s_b_e_e_n_c_y_c_l_e_d_o_n__th_r_e__e_d_i._f_f_e_r_e_n_t______.

[]]]] I occasions as part of the required surveillances. No further action deemed necessary.

7 8 9 80 FACILITY STATUS  % POWER OTHER STATUS

'30'

\::::J METHOD OF DISCOVERY DISCOVERY DESCRIPTION ~

A DJII W I 1 I 0 I 0 l@I...._ ___.N...._/..._A_ __... l!..JV._l_M_o_n_t_h_l_y.._S_u_r_v_e_1_*1_1_a_n_c_e_T_e_s_t________,j

7. 8 9 10 12 1'.l 44 45 46 80 ACTIVITY CONTENT . ~

ITEJ 7 8 w @ W@I....___N.._/.::.:. A_*_ _ _ ____,

RELEASED OF RELEASE 9 10 11 AMOUNT OF ACTIVITY 45 N/A LOCATION OF RELEASE@

80 PERSONNEL EXPOSURES ~

ITl2J IO NUMBER IO IO (.:;::;\TYPE r.;';:;\ OES.CRIPTION l~~\31 .........________ . N_/A___________________________________________.

7 8 9 11 12 13 80 PERSONNEL INJURIES

• t:':;\.

DESCRIPTION~

IJJIJ 1010 10 NUMBER 1@)~*------------N_IA___________________________________________.

7 8 9 11 12 80 LOSS OF OR DAMAGE TO FACILITY 143' TYPE DESCRIPTION ~

ITTIJ ~@) N/A 7 8 9 10 so PUBLICITY ~ NRC USE ONLY ISSUED/,;";;\ DESCRIPTION .S 4

ITI§] Wei . IA I I I l I I *1 I I I I I I~

7 8 9 10 8 ~~ . 68 69 80*;

~,.~~i21,,!.0/> -~rt.~ 815-942-2920 422 0

~_.:._ *..

CoP.Jmonw!!afth* Edison e

• DVRt-.o.*

• STA UNIT YEAR NO.

, .D.- 12- 3 98 ~

PART1(TITLE OF DEVIATION LPCI Valve 3-1501-27B Failure to Close OCCURRED .

12-19-80 0105 DATE TIME I SYSTEM AFFECTED 1500 PlANl CONDITIONS TESTING LPCI Run 2512 832 CD CJ MODE PWR(MWTl LOAO(MWE) YES NO DESCRIPTION OF EVENT During LPCI valve operability testing, the 3-1501-27B valve could not be closed_ from the control room.

DESCRIPTION Of CAUSE U nk nown at this time.

OTHER APPLICABLE INFORMATION The valve was subsequently closed, after moving the closing coil by hand.

EQUIPMENT OD YES OR NO. *. WR NO*.

• Michael Wright 12/20/80 FAILURE ONO N/A 10627 RESPONSIBLE SUPERVISOR DATE PART 2 I OPERATING ENGi NEERS COMMENTS Following manual ac.tuation of the closing coil, the valve was successfully cycled three times from the control room. The 3-1501-28B valve was maintained in the closed position until the

)*~~~--..~~~~--~~~~~~~~~~~~~--..~~~~~--~~~-----~---~--~--~~~~~~--4

.3.l-27B valve was closed.

, SAFETY-

TYPE OF DE'VIATION EVENT OF POTENTIAL TECH SPEC NON-REPORTABLE' *. ANNUAL RELATED I

~-** DREPORTABLE OCCURRENCE .

14 DAY D 10CFR21

• PUBLIC INTEREST VIOLATION OCCURRENCE . REPO'RT I NG YES [i]

.WR ISSUED YES !TI ..

. [!] 30 DAY NOT! Fl CATION 6.6.B.2.b D D D NO D NO D

. REPORTABLE CCCURRENCE ACTION ITEM NO

• PROMPT ON-SI TE NOTIFICATION NUMBER

- R. M. Rafi an 12/19/80 0600 Tl TLE DATE TIME D:- 80-45/031-0 Tl TLE DATE TIME 24-HOUR NRC NOTIFICATION PROMPT OFF-SI TE NOTIFICATION F. A. Palmer 12/22/80 10:08 DTPH REGION I I I DATE TIME Tl TLE DATE TIME DTG'v1 REGION I I I & DOL CATE TIME Tl TLE DATE TIME RESPONSIBLE COMPANY* OFFICER INFORMED OF IOCFR21 CONQITIONS AND THEIR REPORT TO NBC Tl TLE DATE TIME '

REVIEW ANO COMPLETED 1_2/.20/80 DATE ACCEPTANCE BY STATION REVIEW AS REQUIRED D"ATE RESOLUTION APPROVED ANO AUTHOR I ZED FOR 0 I STR I BUTI ON ' DATE 8&~5176 10*77 (FORM IS*sz-~J