05000249/LER-1980-004, Forwards LER 80-004/03L-0

Forwards LER 80-004/03L-0

ML17192A535
Person / Time
Site:	Dresden
Issue date:	02/28/1980
From:	Stephenson B COMMONWEALTH EDISON CO.
To:	James Keppler NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION III)
Shared Package
ML17192A536	List: 05000249/LER-1980-004, Forwards LER 80-004/03L-0 05000249/LER-1980-004-03, /03L-0:on 800202,while Increasing Load by 2 Mwe Per Hour,Alarms Received in Control Room Indicating Failed Jet Pump.Jet Pump 13 Failed.Cause & Corrective Action Will Be Described in Supplemental Rept
References
80-163, NUDOCS 8003050370
Download: ML17192A535 (2)

LER-1980-004, Forwards LER 80-004/03L-0

Event date:
Report date:
2491980004R00 - NRC Website

text

Co~~onwealedis~n Dresde'n Nuclear Power Station R.R. #1 Morris, Illinois 69450 Telephone 815/942-2920

• BBS LTR 1180-163 February 28, 1980 James G. Keppler, Regional Director Directorate of Regulatory Operations - Region III U.S. Nuclear Regulatory Commission 799 Roosevelt Rdad Glen Ellyn, IL 60137 Reportable Occurrence Report tf80-4/03L-0, Docket 11050-249, 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 cond.ition for operation.

eph son Station Superintendent Dresden Nuclear Power Station BBS:lcg Enclosure cc:

Director of Inspection & Enforcement Director of Management Information & Program Control File/NRC

RC FORM 366

.. *-***-.. - -******* *** * **-** ** - -***---:- ** * *-**-* ******* ****U.S. NUCLEAR REGULATORY COMMISSION

~-11:

IJENSEE EVENT REPORT e

CONTROL BLOCK: ~_._ _ _.____. _ _,__.._I --:!10 (PLEASE PRINT OR TYPE ALL REQUIRED INFORMATION) 6 [EJ Ir IL ID IR Is I 3 IG)lo lo I-I o I o *1 o I o I o I - Io I o 1014 I 1 I 1 I 1 I 1 101 I 10 8

9 LICENSEE CODE 14 15 LICENSE NUMBER 25 26 LICENSE TYPE 30 57 CAT 58

~ON'T rrD

~~~~~ ~©10 1 s 10 10 10 12 14 19 J(?)I o I 2 I o I 2 I s Io 101 o 12 12 1 s 1 s 10 10

-::8'.:"

• • so 61 DOCKET NUMBER 68 69 EVENT DATE 74 75 REPORT DATE 80 EVENT DESCRIPTION A~_D PROBABLE CONSEQUENCES@

I While increasing load by 2 Mwe/hr, alarms were received in control room indicating a

!£JTI I failed jet.pump.

DOS 202-2, "Jet pump Operability Check" verified that apparent

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I failure for jet pumps 1113 and 1114 had occurred.

Further special testing indicated only I jQm I jet pump 1113.:failed.

Safety significance was minimized by bringing unit to cold shut-

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I do~ condition within 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br /> as required by Tech. Specs.

rrz:J of this type..

First time for occurrence

fill 8 9 80 [ill 8

SYSTEM CODE I cl BI@

9 10

{.":;\\ - LE R/RO CVENT YEAR

\\.;.,;/ REPORT 1 s 10 I NUMBER 21 22

CAUSE

CAUSE CODE SUBCODE COMPONENT CODE W@ LU@ I P I u I 11 I P I x I x I@

11 12 13 18 SEQUENTIAL OCCUR REN CE REPORT NO.

CODE I I I o I o I 4*1 1.......-1 Io I 3 I 23 24 26 2 7 28 29 COMP.

SUBCODE

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19 REPORT TYPE E:J 30 VALVE SUBCODE

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20 ACTION FUTURE EFFECT SHUTDOWN r:;::;..

ATTACHMENT NPRD-4 31 PRIME COMP.

SUPPLIER REVISION NO.

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32 COMPONENT MANUFACTURER TAKEN ACTION ON PLANT METHOD HOURS \\!31 SUBMITTED*

FORM SUB.

~@l!J@) ~@ ~.I 1161 sl ol W@ W 33 34 35 36 3 7 40 41 42 W@. lclols!:ol@

CAUSE DESCRIPTION AND CORRECTIVE_ACTIONS

43.

44 47 I Preliminary remote TV and visual observation has indicated that only jet pump f/13 has

IDJ I failed.

Future plans include removing failed components of jet pump f!l3 and analyzing

IJ)) I cause of failure.

Supplemental report will be issue~ explaining mode of failure and rrIJ I corrective action taken.

rm 8

!I FACILITY f:i(j\\

STATUS

% POWER OTHER STATUS ~

METHOD OF

~

80 tfil L:J@ 10 16 j6 l@I._ __

Nl_A ___

DISCOVERY DISCOVERY DESCRIPTION

~(iVl.___o_p_e_r_a_t_o_r~O_b~s_e_rv~a_t_i_o_n~~~~~~~~~--'

8 9

10

• 12 11 ACTIVITY CONTENT

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n-;;,RELEASED OF RELEASE AMOUNT OF ACTIVITY~

~

L.:J@ ~@.._I __

N_l_A ___

. 8 9

10

.t 1 PERSONNEL EXPOSURES

• r:;;:;....

45 46 44 80 N/A LOCATION OF RELEASE @

45

.. 80 NUMBER

(':;::;\\TYPE

DESCRIPTION

~jO!OIOl~@-_N/_A ______________________ ~

8 9

11 12 13 PERSONNEL INJURIES f,;"";\\

NUMBER DESCRIPTION~

ffiJ I 0 I 0 10 l@).___N/_A ________________________

~

80 8

9 11 12 LOSS OF OR DAMAGE TO FACILITY t4J" l;-r;::,

TYPE

DESCRIPTION

~

~

~@)

N/A BO 8

9 10 80 PUBLICITY

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NRC USE ONLY ISSUED DESCRIPTION~

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W@I On 2/2/SO local newspapers and radio, Associated Press, and!

I 11 I I I I I I I I I I!

8 9

10 Chicago Newspapers notified.

68 69 80* c;;