05000311/LER-1981-016-03, /03L-0:on 810430,operator Noticed Control Wires Glowing in 2B Diesel Exciter Cabinet.Caused by Sticking of Field Flashing Relay.Relay Cleaned & Field Flashing Resistors Replaced

/03L-0:on 810430,operator Noticed Control Wires Glowing in 2B Diesel Exciter Cabinet.Caused by Sticking of Field Flashing Relay.Relay Cleaned & Field Flashing Resistors Replaced

ML18086A619
Person / Time
Site:	Salem
Issue date:	05/28/1981
From:	Espey J Public Service Enterprise Group
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I)
Shared Package
ML18086A618	List: 05000311/LER-1981-016, Forwards LER 81-016/03L-0.Detailed Event Analysis Encl 05000311/LER-1981-016-03, /03L-0:on 810430,operator Noticed Control Wires Glowing in 2B Diesel Exciter Cabinet.Caused by Sticking of Field Flashing Relay.Relay Cleaned & Field Flashing Resistors Replaced
References
LER-81-016-03L, LER-81-16-3L, NUDOCS 8106040422
Download: ML18086A619 (1)

LER-1981-016, /03L-0:on 810430,operator Noticed Control Wires Glowing in 2B Diesel Exciter Cabinet.Caused by Sticking of Field Flashing Relay.Relay Cleaned & Field Flashing Resistors Replaced

Event date:
Report date:
3111981016R03 - NRC Website

text

CFORM-:\\S6

"'j;*_:;; i U.S. NUCLEAR REGULATORY COMMISSION l

e LICENSEE EVENT REPORT e CONTROL BLOCK: ~L~~---~~~~--~IG) 1 6

(PLEASE PRINT OR TYPE ALL REQUIRED INFORMATION)

~

IN I J I s I G Is 12 101 0 I 0 I -I 0 I 0 I 0 I 0 I 0 I - I 0 I 0101 4 I 1 I 1 I l I i 101 I I 0 7

8 9

LICENSEE CODE 14 15 LICENSE NUMBER 25 26 LICENSE TYPE JO 57 CAT 58 CON'T

~

7 B

~~~; LJJ©I al sl ol ol ol 31 ii il01 o I 4 I 3 Iola I !.J(VI o I 5121 81 8 I llG) 60 61 DOCKET NUMBER 68 69 EVENT DATE 74 75 REPORT DATE 80 EVENT DESCRIPTION AND PROBABLE CONSEQUENCES@

I While taking readings, an operator noticed control wires glowing in the 2B

[£))]

Diesel Exciter Cabinet.

The No. 4 Breaker in 2BBDC cabinet was tagged out, IIfI]

de-energizing the affected wiring and making 2B Diesel inoperable.

The 2C rIITJ Diesel was tagged out at this time.

At 1000 hours0.0116 days <br />0.278 hours <br />0.00165 weeks <br />3.805e-4 months <br /> on April 30, 1981, Action filD Statement 3.8.1.2.b was entered.

C2:ITl

((ill 7

8 9 [ill]

7 B

SYSTEM CODE IE I El@

9 10 t:':;\\

LE R.'RO LVENT YEAR

"-!,,) REPORT I 8 I 1 I NUMBER 21 22

CAUSE

CAUSE CODE SUB CODE COMPONENT CODE w@ u@ IR IE I L I A I y I x I@

11 12 13 18 SEQUENTIAL OCCURRENCE REPORT NO.

CODE I

I lol1l6I I/I lol3!

23 24 26 27 28 29 COMP.

SUB CODE

~

19 REPORT TYPE l&.J 30 VALVE SUBCODE l2.J@

20 l.:::l 31 ACTION FUTURE EFFECT SHUTDOWN

~

ATTACHMENT NPR[µI PRIME COMP.

SUPPLIER REVISION NO.

l.QJ 32 COMPONENT MANUFACTURER 80 TAKEN ACTION ON PLANT METHOD HOURS ~ SUBMITTED FORM :;us.

W@W@ W@ W lo lo lo 10 I W@

L!..J@)

33 34 35 36 37 40 41 42 Io Io 12 I 6 I@

12:.J@

CAUSE DESCRIPTION AND CORRECTIVE ACTIONS @

43 44 47 I

Investigation proved the field flashing relay was sticking.

The relay was cleaned and the field flashing resistors were replaced.

The field flashing ITITJ circuit was tested satisfactorily and Action Statement 3.8.1.2.b was terminated OJI] Ll~ __

a_t~l_4_5_8_h_o_u_r_s_o_n_A~p~r_i_*1_3_0~,_1_9_8_1_. __________________

~~-~----'

B 9

FACILITY l:jQ\\

STATUS

% POWER OTHER STATUS ~

[ill] ~@ I o I o I o l@i.....I -----'-NA-"------

7 80 METHOD OF

(.;::;\\

DISCOVERY DISCOVERY DESCRIPTION ~

~~l

___ o_p __

e_r_a_t_o_r~O_b_s_e_r_v_a_t_i_*o_n __ ~~~----~------'

1 8

9 10 12 1"3 ACTIVITY CONTENT Q\\

RELEASED OF RELEASE AMOUNT OF ACTIVITY ~

~

W@) ~@).._( -"'N_;;;_;;A ______ _

7 8

9 10 11 44 45 46 80 LOCATION OF RELEASE@

NA 45 80 PERSONNEL EXPOSURES t:::::\\

NUMBER

(.;:;\\TYPE

DESCRIPTION

IIEl I a ol olLJ)@.___N=A'-'---______________________.....

7 8

9 11 12 13 80 PERSONNEL INJURIES f,;":;\\

NUMBER DESCRIPTION~

E:TIJ I cl ol cl@).__~N~A~-------------------------'

7 8

9 11 12 80 LOSS OF OR DAMAGE TO FACILITY '4J'I TYPE

DESCRIPTION

~

~

le.J@).__-=NA:.:__ ___________________________ __.

7 8

9 10 so PUBLICITY

!:';'\\

ISSUED(,;";;\\ DESCRIPTION~

8 10 ia fl U I) I')

NRC USE ON Ly l.ITIJ W~I NA u ~. 4 0 (.;.J...-

L I I I I I I I I I I I I ~

8 9

1-0-....&.=-~~~~~~~~~~~-~~-~~~~~~~-~~~~~68 69 80 c; J. J. Espey NAME OF PREPARER~--------~~~--~----~~~~---

PHONE:_6_0_9_-_9_3_S_-_0_9_9_B ____ _

0 Q.