ML17192A535

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: ML17192A535 ML19294B707
References
80-163, NUDOCS 8003050370
Download: ML17192A535 (2)

Text

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

• February 28, 1980 BBS LTR 1180-163 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

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

RC FORM 366

~-11:

IJENSEE EVENT REPORT 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 -::8'.:"

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• • so 61 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 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

~ 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-

~ I do~ condition within 24 hours as required by Tech. Specs. First time for occurrence

rrz:J of this type ..

fill 8 9 80 SYSTEM CAUSE CAUSE COMP. VALVE CODE CODE SUBCODE COMPONENT CODE SUBCODE SUBCODE

[ill I cl BI@ W@ LU@ I P I u I 11 I P I x I x I@ ~

9

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8 10 11 12 13 18 19 20 SEQUENTIAL OCCUR REN CE REPORT REVISION

{.":;\ - LE R/RO CVENT YEAR REPORT NO. CODE TYPE NO.

\.;.,;/ REPORT NUMBER 1s 10 I I I I o I oI 4*1 1.......-1 Io I3 I E:J ~

21 22 23 24 26 27 28 29 30 31 32 ACTION FUTURE EFFECT SHUTDOWN

• r:;::;.. ATTACHMENT NPRD-4 PRIME COMP. COMPONENT TAKEN ACTION ON PLANT METHOD HOURS \!31 SUBMITTED* FORM SUB. SUPPLIER MANUFACTURER

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33 34

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35

~.I 36 37 1161 sl ol 40 W@

41 W

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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 80 FACILITY f:i(j\ METHOD OF ~

STATUS  % POWER OTHER STATUS ~ DISCOVERY DISCOVERY DESCRIPTION tfil L:J@ 10 16 j6 l@I.___ Nl_A_ _ ___. ~(iVl.___o_p_e_r_a_t_o_r~O_b~s_e_rv~a_t_i_o_n~~~~~~~~~--'

8 9 10

• 12 11 44 45 46 80 ACTIVITY CONTENT ~

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

~ L.:J@ ~@.._I __N_l_A _ _ ____,___. N/A

.8 9 . 10 . .t 1 45 .. 80 PERSONNEL EXPOSURES *r:;;:;.. ..

NUMBER (':;::;\TYPE DESCRIPTION

~jO!OIOl~@-_N/_A_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _~

8 9 11 12 13 80 PERSONNEL INJURIES

• f,;"";\

DESCRIPTION~

ffiJ NUMBER I 0 I 0 10 l@).___N/_A_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _~

8 9 11 12 . BO LOSS OF OR DAMAGE TO FACILITY t4J" l;-r;::, TYPE DESCRIPTION ~

~ ~@) N/A 8 9 10

• 80 PUBLICITY ~

NRC USE ONLY ISSUED DESCRIPTION~

~ W@I On 2/2/SO local newspapers and radio, Associated Press, and! I 11 I IIIIII I I I!

8 9 10 Chicago Newspapers notified. 68 69 80* c;;