05000280/LER-1975-006, Supplemental LER 75-06/010:on 750215,module S/N D401 Failed Due to Capacitor C-37 Being Open Circuit.Capacitors Replaced

Supplemental LER 75-06/010:on 750215,module S/N D401 Failed Due to Capacitor C-37 Being Open Circuit.Capacitors Replaced

ML20086Q811
Person / Time
Site:	Surry
Issue date:	04/04/1975
From:	Stallings C, Sweeney E VIRGINIA POWER (VIRGINIA ELECTRIC & POWER CO.)
To:	Moseley N NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II)
Shared Package
ML20086Q813	List: 05000280/LER-1975-006, Supplemental LER 75-06/010:on 750215,module S/N D401 Failed Due to Capacitor C-37 Being Open Circuit.Capacitors Replaced ML20086Q818
References
447-S, LER-75-06-010, LER-75-6-10, NUDOCS 8402280260
Download: ML20086Q811 (2)

LER-2075-006, Supplemental LER 75-06/010:on 750215,module S/N D401 Failed Due to Capacitor C-37 Being Open Circuit.Capacitors Replaced

Event date:
Report date:
2802075006R00 - NRC Website

text

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LICENSEE EVENT REP

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CONTROL CLOCK: l l l l l l [PLEASE PRINT f.LL CEOUIRE3 INFORM". TION) 1 6 AME LCENT.E NUMBER YPE YPE Oi 7 09 I vla lS IP l S l 1l 14 l l l-l l l l l l-l,l l l4 l1 l1 l1 l0 l l0l1l 1b 25 26 30 31 32 CATEGORY f DoCKEf NUV0ER EVENT OATE RE PORT

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$9 W60 l 0] 5l 0l-l0 l2 l 8 l 0 l .l 0l2 l1 l5 l7 l 5 l l 0l 4l 0l 4l 7l5 l 61 68 69 74 75 80 EVENT DESCRIPTION SH l This is a supplemental report for Abnormal Occurrence Report No. A0-S1-75-06 l 7 U9 80

@E l dated February 25, 1975 l 7 89 80 El 7 e9 80 l

52 l l 7 U9 80 M1 1 7 U9 mf 80 E COCE COMPONENT COCE R M A VOLATON

@ lIlAl (.E_l 7 89 10 l T l N l S l Tl RlU l 12 17 d43 lHl0l2l0l lY l 11 44 47 48 CpuSE DESCRIPTION \

DE I' Module S/N D501 failure was caused by capacitor C-7 being heat sensitive. J Module S/Nl 7 0k ' 00 3l l 775 failure was caused by capacitor C-37 being an open circuit. l 7 89 80 UE I l sfA S  % POWER OTHER STATUS OrSCOVERY DISCOVERY DESCRIPTON

@ d l 1l 0l0 l l l @ l l 7 0 9 10 12 13 44 45 46 80 RELE SED 0 EASE AMOUNT OF ACTMTV LOCATON OF RELEASE ia 7 8 9 U l_J 10 l

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44 I

45 l

80 PERSONNEL EXPOSURES NUMDER TYPE DESCRIPTON Hl l 7 89 l l l_J 11 12 l

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80 PERSONNEL INJURIES NUMBER DESCR# TON HIl 7 89 l l l 11 12 l

80 OFFSITE CONSEQUENCES UE l l 7 89 80 LOSS OR OAMAGE TO FACILITY TYPE DESCRIPTON 03 {_.] l l 7 89 10 80  !

PUULICITY B402280260 750404 PDR ADOCK 05000280 00 k. S_ _ _ _

PDR l 7 89 80 ADulTIONAL FACTORS Q l Cause Description Con'd: The corrective action in each case was the replacment l 7 89 80 Q l of the capacitor. l l

7 89 80 i NAME: E. M. Sweeney, Jr. .

PHONE:(804) 771-3748 seo een...T L

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o VamointA ELECTRIC Ano Powna CourAxy

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April 9, 1975 ,

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- 9 s Mr. Norman C. Moseley, Director Serial No. 447-S Office of Inspection and Enforcement P0&M/JTB:c1w United States Nuclear Regulatory Commission Region II - Suite 818 Docket No. 50-280 230 Peachtree Street, Northwest License No. DPR-32 Atlanta, Georgia 30303 -

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Dear Mr. Moseley:

Pursuant to your request, forty (40) copies of supplemental information to Abnormal Occurrence Report No. A0-SI-75-06 are attached.

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Very truly yours g fn - .

C. M. lings Vice President-Power Supply and Production Operations c Enclosures 40 copies of A0-SI-75-06 m r cc: Mr. K. R. Coller n.

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