ML17318A469

Forwards LER 79-056/03L-0

ML17318A469
Person / Time
Site:	Cook
Issue date:	11/26/1979
From:	Shaller D INDIANA MICHIGAN POWER CO.
To:	James Keppler NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION III)
Shared Package
ML17318A470	List: ML17318A469 ML17318A471
References
NUDOCS 7912040384
Download: ML17318A469 (5)

Text

@loon ysto IVDIANA8 M)CHIGAIIIPDt/I/ER CDMP III DONALD C. COOK NUCLZAR PLANT P.O. Box 458, Bridgman, Michigan 49106 November 26, 1979 Mr. J.G. Keppler, Regional Director Office of Inspection and Enforcement United States Nuclear Regulatory Commission Region III 799 Roosevelt Road Glen Ellyn, IL 60137 Operating License DPR-58 Docket No. 50-315

Dear Mr. Keppler:

Pursuant to the requirements of the Appendix A Technical Specifications, the following report/s are submitted:

RO 79-056/03L-O.

Sincerely, D.V. Shaller Plant Manager

/bab cc: J.E. Dolan R.W. Jurgensen R.F. Kroeger R.W. Kilburn R.J. Vollen BPI R.E. Masse RO:III R.C. Callen MPSC P.W. Steketee, Esq.

R. Walsh, Esq.

G. Charnoff, Esq.

G. Olson J.M. Hennigan PNSRC J.F. Stietzel E.L. Townley goo>

Dir., IE (30 copies) S Dir., MIPC (3 copie

///

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NRC "5 U. S CLEAR REGULATORY COMMISSION 47.77)

ICENSEE fVENT REPORT CONTROL BLOCK: Qi (PLEASE PRINT OR TYPE ALL REQUIRED INFORMATION)

I 6

~O I D C C 1

,4Q 2 0 0 0 0 0 0 LICENSE NUMBER 0 0 0 0 0 25 Q 3 26 4 1 1 LICENSE TYPE 1 1Q4~QE 30 57 CAT 58 7 8 9 LICENSEE'ODE CON'T

~01 REPD SOURCE

~L~B 0 5 0 0 DOCKET NUMBER 0 3 1 5 68 Q7 69 1 0 2 EVENT DATE " 74 Q 75 6

REPORT DATE 7

80 Q

7 8 60 61 .

EVENT DESCRIPTION AND PROBABLE CONSEQUE NCES Q10

~O DURING THE PERFORMANCE OF A SURVEILLANCE TEST PROCEDURE, THE OPENING TORQUE ON TWO OF" THE ICE CONDENSER LOWER INLET DOOR ( 1 7L AND 2 1 R) 4 EXCEEDED THE MAXIMUM LIMITS AS SPECIFIED IN T.S. 4.6.5.3.1 ITEM 3.

~O7

~OB 80 7 8 9 SYSTEM CAUSE CAUSE COMP. VALVE CODE CODE SUBCODE COMPONENT CODE SUBCODE SUBCODE

[OOQ 10 Q11 Z Q12 ~+

12 Q13 13 18 0, ~XQ ~ZQ 19 20 7 8 9 11 4 SEQUENTIAL OCCURRENCE REPORT REVISION Q17 LF RiRP REPQRT ACTION FUTURE EVENT YEAR

~19 21 22 EFFECT

~23 SHUTDOWN

~OZ 24 REPORT NO.

8 26 U~

27 Loo'I 28 ATI ACHMENT 29 NPRDP L~"I 30 PRIME COMP.

0 31

"'o 32 COMPONENT TAKEN ACTION ON PLANT METHOD HOURS 22 SUBMITTED FORM SUB SUPPLIER MANUFACTURER

~EZQ1 8 ~FFQ1g ~ZZQ2O ~ZZQ2 1 0 0 0 ~Y ~NQ24 ~NQ25 W 1 2 0 Q25 Q23 33 34 35 36 37 40 41 42 43 44 47 CAUSE DESCRIPTION AND CORRECTIVE ACTIONS Q27 o IT HAS BEEN FOUND THAT THE SPRINGS USED ON THESE DOORS ARE SLIGHTLY STIFFER THAN THOSE ON THE DOORS IN OTHER BAYS. THE SPRING TENSION I

ADJUSTMENT BOLTS ON DOORS 17L AND 21R WERE BACKED OUT TO BRING THE 3 OPENING TORQUE TO WITHIN ALLOWABLE VALUES ~

SEE ATTACHED SUPPLEMENT.

80 7 8 9 FACILITY STATUS  % POWER

~OQ29 OTHERSTATUS ~

~3P METHOD OF DISCOVERY SURVEIL'UENCE TEST DISCOVERY DESCRIPTION (Q CD 1 8 8

~G 9

Q28 10 12 13 44

~ZQ31 45 46 80 CONTENT ACTIVITY RELEASED OF RELEASE 2

AMOUNT OF ACTIVITY NA Q LOCATION OF RELEASE Q 6 ~Z Q33 Q3 7 8 9 10 11 45 80 PERSONNEL EXPOSURES 7 L0oO0 ~0~

NUMBER LQ3 7

TYPE z Q3 8 DESCRIPTION A3 gg 80 7 8 9 11 12 13 PERSONNEL INJURIES NUMBER DESCRIPTIONQ41

,~OO O Q48 NA.

7 8 9 11 12 80 LOSS OF OR DAMAGE TO FACILITY 43 TYPE DESCRIPTION

~ZQ42 7 8 9 10 60 ISSUED

~NQ44 PUBLICITY DESCRIPTION ~ NRC USE ONLY 7

7 8 9 10 68 69 80 Eg S. D. DeIong 616-465-5901 0 NAME OF PREPARER PHONE:

~

~

SUPPLEMENT TO LER $ 79-056/03L-0 SUPPLEMENT TO CAUSE DESCRIPTION A DESIGN CHANGE HAS BEEN INITIATED TO REPLACE THE SPRING ADJUSTMENT BOLTS WITH LONGER BOLTS IN ORDER TO RELIEVE THE SPRING TENSION ON THE LOWER DOORS, (RFC 12-l762).

THE DOORS WERE IMMEDIATELY READJUSTED WHEN THE PROBLEM WAS FOUND AND NO ACTION WAS REQUIRED BY TECHNICAL SPECIFICATIONS.

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