ML18142B898

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LER 1975-011-00 for R. E. Ginna, (30-Day Report), Charging Pump Disclosure Drain Line Pinhole Leak
ML18142B898
Person / Time
Site: Ginna Constellation icon.png
Issue date: 12/15/1975
From: White L
Rochester Gas & Electric Corp
To: O'Reilly J
NRC/IE, NRC Region 1
References
LER 1975-011-00
Download: ML18142B898 (6)


Text

NRC~'STRIBUTION FOR. PART 50 DOCKFs MATERIAL (TEMPORARY FORM),

CONTROL NO l4023 e s e

F ] LE INCIDENT REPORT FI:

F ROM.

oc es er as ec. orp DATE OF DOC DATE R EC'D LTR TWX RPT OTHER

'Rochester, N.Y..*

'L.D. White, Jr. 12-15-75 12-17-75 XXX TO ORIG CC OTHER 6 7 J.P SENT LOCAL PDR GLASS UNCLASS PROPINFO INPUT NO CYS REC'D DOCKET NO:

50-244 PK5r Hans'he following....:;. ENCLOSURES:

Reportable Occurrence'¹. 75-1.1, on 20-76 .

Concerning Leakage of Charging Pump discharge drain leone 'pinhole.:.;,.: . ".:

'1 Copy Received)

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PLANT NAME: RE Ginna 8 1 FOR ACTION/INFORMATION BUTLER {L)

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ROCHESTER GAS AND EI ECTRIC CORPORATION 89 EAST AYENUE, ROCHESTER, N.Y. 14649

'lo Cg I.fON D. WHITf. JR 7 E I. C > H O.'I E VICE I'IIE5IOEN7 AIIEA COOE 7I5 546  ? 700 December 15, 1975 Mr. James P. O'Reilly, Director U. S. Nuclear Regulatory Commission Office of Inspection and Enforcement Region I 631 Park Avenue \

King of Prussia, Pennsylvania 19406

Subject:

Reportable Occurrence 75-11 (30-day report), Charging Pump discharge drain line pinhole leak R. E. Ginna Nuclear Power Plant, Unit No. 1 Docket No. 50-244

Dear Mr. O'Reilly:

In accordance with Technical Specifications, Article 6.9.2b, the attached report of Reportable Occurrence 75-11 is hereby submitted. Two additional copies of this letter and the attachment are en losed.

Very truly yours, Attachment cc: Mr. Donald F. Knuth (30)

Mr. William G. McDonald (3) hlCg.

'Serg

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LtclENSEE EVENT REPOR CONTROL 8LOCK: [PLEASE PAINT ALL REQUIRED IIIIFORMATIOIII3 1 6 LICENSEE LICENSE EVENT NAME LCENSE NUMBER TYPE TYPE Jog NY It E G 1 0 0 0 0 0 0 0 0 0 4 1 1 1 1 L0003~I

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7 89 14 15 25 26 30 31 32 REPORT REPORT CATEGORY TYPE SOURCE DOCKET NUMSER EVENT DATE REPORT DATE

[oO~] con w L ~L 0 5 0 0 2 4 4 1 1 2 0 7 5 1 2 1 5 7 57 58 59 60 6'I 69 74 75 80 EVENT DESCRIPTION I

[oO~]

7 89 During inspection round, a pinhole leak was noted in a 3/4" socket weld oi the "B" charging pump discharge drain line . The two other charging pumps were operable . The 80 I

7 89 80 affected pump was immediately isolated. The leak was repaired per approved mainte-7 8 9 80 nance and welding procedures. PORC reviewed the event and the corrective action 7 6 9 80 Qpg taken: no further corrective action was necessary. (Reportable Occurrence 75-11, 30-da 7 8 9 PRME 80 SYSTEM CAUSE COMPONENT COMPONENT CODE . CODE COMPONENT CODE SUPPUER MANUFACTURER VIOLATION

~PC A P 1 P E X X ~Q Z 9 9 9 N 7 8 9 10 11 12 , 17 43 44 47 48 CAUSE DESCRIPTION lpga~]

The cause of the leak was formation of a small void during TIG we'lding.

7 8 9 80 Qog 7 8 9 80 pro]

7 89 FACILITY METHOD OF 80 STATUS POWER OTHER STATUS DISCOVERY DISCOVERY DESCRIPTION E ~iO O NA 7 8 9 10 12 13 44 45 46 80 FORM OF AMOUNT OF ACTIVITY LOCATION OF RELEASE Not discernible Auxiliary Butldtng vent to atmos he~re 7 8 9 10 11 45 80 PERSONNEL FAPOSURES 7 8 9 11 12 13 80 PEAS'ONNEL INJURIES NUMBER DESCRIPTION

[Qj ~00 0 NA 7 89 11 12 80 OFFSITE CONSEQUEIj'jCES Q~g There was no discernible increase in either release rate or leakage rate.

7 89 80 LOSS OR DAMAGE TO FACILITY TYPE OESCRIP'TION Q~g ~s NA 7 89 10 80 PUBLICITY 7 89 80 ADDITIONAL FACTORS NA 7 89 80 7 89 80 J. C. Noon PHDNE, 7 1 6/546-2 700, erat . 29 1.-2 1 4 GPO 661 66'j

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