ML18219C365

LER 1976-007-00 Re Pin Hole Weld Leak

ML18219C365
Person / Time
Site:	Cook
Issue date:	03/15/1976
From:	Jurgensen R Indiana Michigan Power Co
To:	James Keppler NRC/RGN-III
References
LER 1976-007-00
Download: ML18219C365 (12)

Text

NRC FORM 'I95 U.S. NUCLEAR REGULATORY CO SION DOCKET NUMBER IS-7S) 50-315 Pi FILE NUMBER NRC DISTRIBUTION FDR PART 50 DOCKET MATERIAL INCIDENT REPORT J.G. Keppler Indiana 8 Michigan Power Co. DATE OF DOCUMENT Bridgman Michigan 3-15-76 R.W. Jurgensen DATE RECEIVED 3-19-76 E3LETTER 0 NOTOR IZ E D PROP INPUT FORM NUMBER OF COPIES RECEIVED ABORIGINAL UNCLASSIFIED GCOPY DESCRIPTION ENCLOSURE Ltr. trans the following...... ROk'6-07, on 12-25-75,Concerning a pin hole weld leak that was discovered.......

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L PLANT NAME: Cook 8 1 NOTE: IF PERSONNEL EXPOSURE IS INVOLVED SEND DIRECTLY :0 iWSGER/J, COLLINS SAFETY FOR ACTION/INFORMATION ENVIRO BRANCH CHIEF: niemann M 3 CYS FOR ACTION LIC ASST:

V/ CYS ACRS CYS ENT TO LA INTERNAL DISTRIBUTION RE FL NRC PDR ISE 2 SCHROEDER/IPPOLITO NOVAK CHECK TEDE CO MACCA BAER SHAO VOLLMER BUN KREGER OL NS EXTERNAL DISTRIBUTION CONTROL NUMBER LPDR: t. Ose TIC NSIC 2806

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@loan INDIANA& MICHIGANPDt/I/E8 COMPANY I t! i= p'l C. COOK NUCLEAR+PL'ANT 'ONALD P.O, Box 458, Bridgman, Michigan'~49106kc i,, ~()

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March 15, 1976

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Mr. J.G. Keppler, Regional Dir~ector j'~

Office of Inspection and Enforce. ~egt Uni,ted States Nuclear Regulatory orgmipsion ~I j/ 'Ig~ Qo Region III 799 Roosevel t Road Glen Ellyn, IL 60137 Operating License DPR-58 Docket No. 50-315

Dear Mr. Keppler:

Pursuant to the requirements of Appendix A Technical Specifications and United States Nuclear Regulatory Cormnission Regulatory Guide 1.16, Revision 3, the following report is submitted:

RO 50-315/76-07 At the time of the event it was reviewed and determined not to be reportable under Regulatory Guide 1.16, Revision 3, Section 2.a(3) and a report was not submitted.

However, after subsequent review of the event by the Plant Nuclear Safety Review Committee and discussion with NRC RO: III Resident Inspector, Mr. K.R./Baker, we determined the event should have been reported under the crigeria of Regulatory Guide 1.16, Revision 3, Section 2.b(4).

Sincerely,

(

.W. J gen en Plant Manager

/bab cc: RES. Hunter R. Walsh, Esq.

J.E. Dolan G. Charnoff-, Esq.

G.E. Lien G. Olson R. Kilburn J.M. Hennigan R.C. Callen MPSC PNSRC R.J. Vollen BPI R.S. Keith K.R. Baker RO: III Dir., IE (30 copies)

P.W. Steketee, Esq. Dir., MIPC. (3 copies)

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,. XlP LICENSEE EVENT REPORT CONTROL OLOCK: (PLKMSE PRINT ALL REQUIREO INFORMATION) 6 LCENSEE LCENSE EVENT NAME LCENSE NUMBER I [aa~] I! I 0 CCr:2 0 0 PP 0 PP P 0 4 1 7 89 14 15 25 "'6 30 31 32 REPORT REPORT CATEGORY TYPE SOURCE DOCKET NUMBEA EVE'NT DATE REPORT DATE

[00~]coN'T ~2258 L L 0 5 0 0 3 2 5 1 2 2 5 7 5 0 3 1 )5' 6 7 8 57 59 60 61 68 69 74 75 80 EVENT DESCRIPTION Qo g Durin 'normal o eration a in hole weld leak was discovered, at high pressure side of 7 89 80

[0D3] FI-200. The leakin of the weld was round out and rewelded on 1-2-76. Another 7 89 80 Qo4] section of the weld failed on 1-10-76. This was re aired b chanqin the pi in 7 8 9 80 Qg confi uration to reduce vibration.

7 8 9 80 Qom RO 050-315/76-07 7 8 9 PAME 80 SYSTEM CAUSE COMPONENT COMPONENT CODE 7

[on~I ~I0 8 9 10 CODE E

11 12 P

COMPONENT CODE I P 5 X X 17 SUPPUER Z

43 44 Z

MANUFACTURER 9 9 9

. . 47 48 CAUSE DESCRIPTION

[oOs) Failure was caused by fatigue due to vibration.

7 8 9 80

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7 89 80,

~10 7 89 80 FACILITY METHOD OF STATUS 95 POWER OTHEA STATUS DISCOVERY DISCOVERY DESCRIPTION Qg ~E ~08 I! II/A A Durin routine lant ins ection.

7 8 9 FORM OF 10 12 13 44 45 .,46 80 ACTIVITY COATENT RELEASEO OF RELEASE AMOUNT OF ACTIVITY LOCATION OF RELEASE Z ~2 !I/A N/A 7 8 9 10 11 44 45 80 PERSONNEL EXPOSURES NUMBER TYPE DESCRIPTION

~is ~00 0 2 II/A 7 89 11 12 13 80 PERSONNEL INJURIES NUMBER DESCRIPTION Q>4j ~00 0 II A 7 89 11 12 80 PROBABLE CONSEQUENCES Qsg N/A 7 8 9 80 LOSS OR DAMAGE TO FACILITY TYPE DESCRIPTION Q~g Z N A 7 89 10 80 PUBLICITY N/A 7 89 80 ADDITIONAL FACTORS Q1g N/A 7 89 80 7 89 80 David G. Wizner PHONE. 465 5901 Gr 0 8ST 60T

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U.S. NUCLEAR REGULATORV COMMISSION DOCKET NUMBER NAC I'ORM 195 I2.7SI <o-gl g FILE NUMBER NRC DISTRIBUTION FDR PART 50 DOCI<ET MATERIAL XNCXDENT REPORT FROM:INDIANA & MICH DATE OF DOCUMENT 3 - lS-z4 TO: POWER CO BRIDGMAN, MICH S MR J G KEPPLER DATE RECEIVED R JURGENSEN 4

5IJ ABORIGINAL ETTER 0 N0 TO R Z E D I PROP INPUT FORM NUMBER OF COPIES RECEIVED QCOI V

+UNCLASSIFIED l DESCRIPTION ENCLOSURE I

1 LTR TRANS THE FOLLOWING....... LICENSEE EVENT REPORT 50-'15/76-07 ON 12-25-75 RE A PIN HOLE WELD LEAK WAS DIS-COVERED AT HI-PRESSURE SIDE OF OFI-200......

PLANT NAIIH: Comic. 4< NOTE: IF PERSONNEL EXPOSURE IS INVOLVED SEND DIRECTLY TO KREGER/J. COLLINS SAFETY FOR ACTION/INFORMATION ENVXRO BRANCHA CHIEF:

W 3 CYS FOR ACTTON LXC ~ ASST:

W/ CYS ACRS CYS HOLDXNG/ HNT TO LA INTERNAL DISTRIBUTION L'Q FILE PDR I&E 2 NO~VAK

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SCHROEDER/IPPOLXTO CHECK CLJalmm BAHR IMUH' SHAO VOLLMER BUNCH KK!G~ER 1 COL. NR LXTERNAL DISTRIBUTION CONTROL NUMBER naagQ Hx,.

TXC NSIC NfiC FORM 195 (2-7G)

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), +'o IllfDIANA8 MICHIGA/VPOWER COMPANY DONALD C. COOK NUCLEAR PLANT P.O. Box 458, Bridgman, Michigan 49106

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p March 15, 19?6

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Man 17 19761 Mr. J.G. Keppler, Regional Director Office of Inspection and Enforcement Uni.ted States Nuclear Regulatory Commission 0j P

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~ ggQEAR RKV~i 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 Appendix A Technical Specifications and United States Nuclear Regulatory Commission Regulatory Guide 1.16, Revision 3, the following report is submitted:

RO 50-315/76-07 At the time of the event it .was reviewed and determined not to be reportable under Regulatory Guide 1.16, Revision 3, Section 2.a(3) and a report was not submitted.

However, after subsequent review of, the event by the Plant Nuclear Safety Review Committee and discussion with NRC RO: III Resident Inspector, Mr. K.R. Baker, we determined the event should have been reported under the criteria of Regulatory Guide 1.16, Revision 3, Section 2.b(4).

Sincerely, g

(

.W. J gen en 0 Plant Manager 9

/bab QIIigh~, gyp'~

cog ~y(y'll CC: R.S. Hunter R. Halsh, Esq.

J.E. Dolan G. Charnoff, Esq. ~

G.E. Lien G. Olson R. Kilburn J.M. Hennigan R.C. Callen MPSC PNSRC R.J. Vollen BPI R.S. Keith K.R. Baker RO: III Dir., IE (30 copies)

P.H. Steketee, Esq. Dir., MIPC (3 copies)

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LlCENSEE EVENT REPORT CONTROL 8LOCK: SE PAINT ALL AEQUIAED INFOAIVIATION)

UCENSEE LICENSE EVENT NAME LICENSE NUMBER TYPE TYPE

[oa~] N I 0 C C 1 0 0 OO O OO 0 0 4 1 1 1 0 7 89 14 15 26 30 3'I 32 REPORT, REPORT CATEGORY TYPE SOURCE DOCKET NUMBER EVENT DATE REPORT DATE

~01 CQN'T ~gp58 . L L 0 5 0 0 3 ). 5 1 2 2 5 7 5 0 3 1 5 7 6 7 8 57 59 60 61 68 69 74 75 80 I

EVENT DESCRIPTION Durin 'ormal eration in hole weld leak discovered at high pressure side of 7'9 toOI o a was 80 FI-200. The leakin of the weld was round out and rewelded on 1-2-76. Another 7 89 80 Qo 4j section of the weld failed on 1-10-76. This was re aired b chanqin the piping 7 89 80 Qg confi uration to reduce. Vibration.

7 8 9 80 Jog RO 050-315/76-07 7 8 9 PRME 80 SYSTEM CAUSE COMPONENT COMPOI4ENT CODE CODE COMPONENT CODE SUPPUER MANUFACTURER VCLAIION

~a~ LIIDI P I P E X X ~Z Z 9 9 9 7 8 9 10 11 12 17 . 43 44 . 47 CAUSE DESCRIPTION IDOI Failure was caused by fatigue due to vibration.

7 8 9 80 Jog 7 89 80.

~10 7 89 80 FACIUTY METHOD OF STATUS POWER OTHER STATUS DISCOVERY DISCOVERY DESCRIPTION Q~g E ~08 1 N/A ~A Durin routine lant ins ection.

7 8 9 10 12 13 44 45 46 80 FORM OF ACTIVITY COAT)MT RELEASEO OF RELEASE AMOUNT OF ACTIVITY LOCATION OF RELEASE Q1g Z ~Z N/A N/A 7 8 9 10 11 44 45 80 PERSONNEL EXPOSURES NUMBER TYPE DESCRIPTION

~is ~00 0 ~Z '3 N/A 7 89 11 12 PERSONNEL INJURIES NUMBER DESCRIPTION

~44 ~00 0 ', NA 7 8 9 11/12 80 PROBABLE CONSEQUENCES Q~g N/A 7 89 80 LOSS OR DAMAGE TO FACILITY TYPE DESCRIPTION Q~g Z N A 7 89 10 80 PUBLICITY 7 89 80 ADDITIONAL FACTORS

[>is] N/A 7 89 80 7 89 80 NAME. David G. Ilizner PHONE. 465-5901 CPO bb I 667

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