ML18283B471

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Abnormal Occurrence Report BFRO-50-296/769 RHR Pump 3C That Failed to Start on Normal Power During the Performance of a Surveillance Test
ML18283B471
Person / Time
Site: Browns Ferry Tennessee Valley Authority icon.png
Issue date: 10/07/1976
From: Fox H
Tennessee Valley Authority
To: Moseley N
NRC/IE, NRC/RGN-II
References
BFRO-50-296/769
Download: ML18283B471 (6)


Text

NRC FoRM 195 I2 70I U.S. NUCLFAR REGULATORY MISSION NRC DISTRIBUTION FoR PART 50 DOCI(ET MA'TERIAL DOCKET NUMOER 50-296 FILE NUMBER INCIDENT REPORT TO:

Mr. Norman C. Moseley FROM:

Tennessee Valley Authority Chattanooga, Tennessee H,

ST Fox DATE OF DOCUMENT 10776 DATE RECEIVED 10 15 76 POLETTL R DORIOINAL

@COP Y DESCRIPTION C3NOTORIZE D

/@UNCLASSIFIED PROP INPUT FORM ENCLOSURE NUMOER OF COPIES RECFIVED None signed'tr.

trans the following:

Licensee Event Report (RO 50-296/'769) on 9/23/76 concerning the RHR pump 3C failing to start on normal power.

PLANT NAMF".

h Browns Ferry Unit f13 NOTE:

XF PERSONNEL EXPOSURE IS INVOLVED SEND DIRECTLY TO KREGER/J..COLLINS vmss.ann nudum.

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Knie1 FOR ACTION/INFORMATION 10 15 76 LXC.. ASST.:

W CYS ACRS CYS 4QXSXR8 SEII'ee HEG FILE INTERNAL0 ISTRIBUTION Xk.E 2

MIPC SCHHOEDER IPPOLITO HOUSTON NOVAK CHECK GRIMES CASE BUTLER.

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'EDESCOMACCARY FISENIIUT PAEH SIIAO VOLLMEH 8JNCH KHEGEH I COLLINS LPDH:Athen Ala TIC:

MIGs EXTERNAL DISTRIBUTION CON OL NUMBER NRC I'ORM 10h (2 7III

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October 7, 1976 1fr. Norman C. Hoseley, Director U.S. Nuclear Regulatory Comraission Office of Inspection and Enforcmaent Region IX 230 Peachtxee

Street, NH., 8th Floor Atlanta, Georgia 30303 ue'-'

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Dear Hr. Hoseley:

TENNESSEE VALLEY AUTHORITY - BROUNS FERRY NUCLEAR PLANT UNI'2 3 DOCKET NO. 50-296 - FACILITY OPERATING LICENSE DPR-68 REPORTABLE OCCURRENCE REPORT BFRO-50-296/769 The enclosed report is to provide details concerning the RHR pump 3C that failed, to start on normal poorer dux'ing the performance of a surveillance test.

This report is submitted in accordance with Brorrns Ferry Technical Specifications Section 6, This event occurred on Bro~rns Ferry Nuclear Plant unit 3.

Very truly yours, TENNESSEE VALLEY AUTHORITY

/J,glair

~ P.'t Ilr H. S. Fox Director of Poorer Production Enclosure (3)

CC (Enclosure);

Office of Management Information and U.S. Nuclear Regulatory Commission LIashington, D.C.

20555 Director (40)

Office of Inspection and Enforcement U.S. Nuclear Regulatory Commission Uashington, D.C.

20555 Program Control

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~u gf>Qt An Equal Opportunity Employer

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~ LICENSEE EVENT REPORT '+

UCENSE NUMBER 0

0 0 0

0 0

ONTROL BLOCK:

6 LCENSEE NAME A LB R F3 14 15 (PLEASE PRINT ALLREQUIRED INFORMATION)

UCENSTE TYPE EVENT TYPE 0 0 0

4 1

1 1

1

~0035 25 26 30 31 32, REPORT REPORT CATEGORY TYPE SOURCE DOCKET NUMBER Ioa1jooN'TI~

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0 5

0 0 2

8 57 58 59 60 61 EVENT DATE 9

6)

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2 3

7 6

II9 74 T

75 REPORT DATE 80 EVENT DESCRIPTION

[OD2]

I Durin the erformance of a surveillance 7

8 9

~03 normal ower.

The other three RHR um s 7

89

[004]

o crated on emer en 7

8 9 CB 7

8 9 QH test the RHR 3C failed to start on were o erable.

RHR um 3C would 80 80 80 80 7

89 SYSTEM CAUSE CODE CODE COMPONENT CODE

[QOT1 I~OF

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X X

X X

X 7

8 9 10 12 17 CAUSE DESCRIPTION

)ODB]

A cable in the RHR lo ic was found 8 9 PRME COMPOIIENT SUPPUER 43 o en.

COMPONENT MANUFACTURER a

9 9

9 44 47 48 80 80 7

8 9

~10 OTHER STATUS HA AMOUNT OF ACTIVITY NA 7

89 LOSS OR DAMAGE TO FACILITY

.YPE OESCRVFTION EDS IM 7.

8 9 10 PUBLICITY 7

89 FACIUTY STATUS POWER Jig 0

~OZ 5

7 8

9 10 12 13 FORM OF ACTIVITY CONTENT T<EI.EASED OF RELEASE I

8 7

BT 9

10 11 PERSONNEL EXPOSURES Qg ~0+0~0 a

7 8 9 11 12 13 PERSONNEL INJURIES NUMBER DESCRIPTION

~00 0

7 89 11 12 OFFSITF CONSEQUENCES K~I METHOD OF 06COVERY B

44 45 46 aa a5 DISCOVERY DESCRIPTION NA LOCATION OF RELEASE 80 80 80 80 80 80

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8 9 ADDITIOIJAL I ACTORS

) The open cable was replaced and the surveillance test erformed satisfactoril 7

89 L19j L I

89 80 80 80 CPO 66L 667

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