ML18283B470

Abnormal Occurrence Report BFRO-50-296/769 RHR Pump 3C That Failed to Start on Normal Power During the Performance of a Surveillance Test

ML18283B470
Person / Time
Site:	Browns Ferry
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: ML18283B470 (6)

Text

NAG FoAM 195 U.S. NUCLEAR AFGULATOAY JISSION DOCKET NUMBER I2.76) 50-'296 ~

FILE NUMOER NRC DISTRIBUTION FoA PART 50 DOCI(ET MATERIAL INCIDEIFZ REPORT TO: FROM: DATE'OF DOCUMENT Tennessee Valley Authority 10 7 76 pIr. Norman C. Moseley. I Chattanooga, Tennessee DATE RECEIVED i H, S Fox 10 29 76

+LETTER 'INOTORIZEDI PAOP INPUT FOAM NUMOER,OF COPIES RECEIVED ORIGINAL jhf/NC LASSI F IE D One signed .=

Qcopv DESCAIPTION ENCLOSURE Ltr.'rans the following: . Licensee Event Report (RO 50-296/769) on 9/23/76 concerning'he RHR.pump .3C failing to start on normal powers t I ACKNO~LD gD DONOT gg~ (1-.P)

PLANT NAME NOTE:. IF PERSONNEL'XPOSURE'IS INVOLVED SEND D1RECTLY TO KREGER/J..COLLINS Browns Ferry Unit 83 FOR ACTION/INFORMATION 11 2 76 RJL BRANCH CHIiF: Kniel W CYS FOR ACTION LIC..ASST.: Lee W CYS ACRS CYS )t&M55 S V INTERNAL D IST Rl BUTION REG FI NR~DR I8c-E 2 MIPC SCHROEDER IPPOLITO HOUSTON NOVAK CHECK GRIMES CASE HANAUER TEDESCO MACCARY EISEQHJT SERO VOLLMER HUNCH KHEGER J COLLINS EXTERNAL DISTRIBUTION CO TROL NUMBER LPDH: Athe TIC:

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< TENNESSEE VALLEY AUTHORITY 0 CHATTANOOGA. TENNESSEE 37401 b.

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October 7, 1976

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's Mr." Norman C. Moseley, Director U.S. Nuclear Regulatory Commission Office of Inspection and Enforcement Region II i 230 Peachtree Street, NW., 8th Floor /

1 Atlanta, Georgia 30303

Dear Mr. Moseley:

TENNESSEE VALLEY AUTHORITY BROWNS FERRY NUCLEAR PLANT UNIT 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 power during the performance of a surveillance test. This report is submitted in accordance with Browns Ferry Technical Specifications Section 6. This event occurred on Browns Ferry Nuclear Plant unit 3.

Very truly yours, naifljr't (gQ(C I"tI TENNESSEE VALLEY AUTHORITY gg+QL<

H. S. Fox Director of Power Production 3

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Director (3)

Office of Management Information U.S. Nuclear Regulatory Commission and Program Contr l~ ~>'~> ~

Washington, D.C. 20555 Director (40)

Office of Inspection and Enforcement U.S. Nuclear Regulatory Commission Washington, D.C. 20555 An Equal Opportunity Employer

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OENSEE EVENT REPORT ~

CONTROL CLOCk:~ 6 t'PLEASE PRINT ALL REQUIRED INFORIVIATION) 1 LICENSEE I.ICENS>E EVENT NAME UCENSE NUMBER TYPE TYPE Qpg A>LB ~ R F3 0 0 0 0 0 0 0 0 0 4 1 1 1 ~o 7 09 14 25 26 30 31 32,

~01CON'T 7 8 I~ '0 CA IEGORY 57 50 RE'PORT TYPE L

59 REPORT SOURCE L 0 61 5 0 DOCKET NUMBER 0 9 6I IO 60 69 9

EVENT DATE 2 3 7 6 74 75 REPORT DATE 80 EVENT DESCRIPTION joap] I Durin the erformance of a surveillance test the RHR um 3C failed to start on 7 8 9 80

~og normal ower. The other three RHR um s were o erable. RHR um 3C would h 7 09 00

[004] o crated on emer e o 7 0 9 60

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7 8 9 80 Pope e9 PRME 00 SYSTEM CAUSE COMPONENT COOK CODE COMPONENT CODE SUPPUKR MANUFACTURER

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[~CP X X X X X X X 17 44 I 9 9 9 N 7 10 12 47 48 CAUSE DESCRIPTION

[DDg A cable in the RHR lo ic was found o en.

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~10 7 89 80 FACILITY METHOD OF STATI.>S 9f POWER OTHER STATUS DISCOVERY DISCOVERY DESCRIPTION 0 ~O~ 5 NA 7 0 9 10 12 13 44 45 46 80 FORM OF ACTIVITY CONTENT T>EI.EASED OF RELEASE AMOUNT OF ACTIVITY LOCATION OF RELEASE K~I L~J L~J NA 7 0> 9 10 11 44 45 00 PERSONNEL EXPOSURES Qig L00 Jo/0 H 7 09 11 12 13 00 PERSONNEL INJURIES NUMBER DESCRIPTION

[>>a[ ~00 0 7 0 9 11 12 80 OFFSITE CONSEQUENCES G~H 7 09 00 LOSS OR DAMAGE TO FACILITY

, YPE DESCRiPTION G~B

7. 8 9 IM 10 PUBLICITY 7 8 9 00 ADDITIONAL I'ACTORS

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The open cable was replaced and the surveillance test erformed satisfactoril 7 8 9 00 PHONE'0 CPO ddt ddl

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