ML20084U034
| ML20084U034 | |
| Person / Time | |
|---|---|
| Site: | Browns Ferry  |
| Issue date: | 12/14/1976 |
| From: | Fox H TENNESSEE VALLEY AUTHORITY |
| To: | Moseley N NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II) |
| References | |
| LER-BFRO-50-296-761, NUDOCS 8306270023 | |
| Download: ML20084U034 (2) | |
Text
LIC$EE EVENT REPORT O
CONTROL BLCCK:l l
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[plEASE PRINT f.LL REQUIRED INFORMATION) 1 6
. ME TvN ANE tcENSE Nuwa(n
{ l Al Ll Bl Rl Fl3 l l0 l0 l-l 0l 0l 0l 0l 0l-l0 l 0 l l4l1l1l1l1l l 0l 3l 25 26 30 31 32 7 89 14 15 l
CATEGopf f PE S
E OCCxtf NuuSEA EVENT CATE REPCAT OA*i 1
l QCorrT l l
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l0 l 5 l0 l-\\ 0 l 2 l 9 l 6l l1 l1 l2 l6 l7 l 6 l l
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68 69 74 75 60 7 8 57 58 59 SO 61 EVENT DESCRfPTION start circuit 1 of D/G 3Dwas}
[ During the performance of a scheduled maintenance test, M
60 l
7 89 ne
@ l found inoperable because of a relav failure in the speed sensine circuit.
60 8g-The relay was replaced. (BFRO-50-296/7619) l 7g l redundant start circuit 2 was operable.
60 7 89 I
Ql 60 7 89 hl 60 pa,uf 7 89 M
EA 00LAfoN COCE COMACNENT CCCE O7 l El B] lEj lRlElLlAlYlX]
l Nl lEl1l6l0l lNl 7 89 10 11 12 17 43 44 47 48 l
CAUSE DESCRIPTION
@ l An Electromotive Division model 8327263 relay failed in start circuit I speed l
60 7 89 l
09 l sensing circuit, preventing the circui'. from sensine diesel soeed. The relav 60 l
7 89 l was replaced and the test in progress was completed.
1n 50 STA us
% POWER OTHEA STATUS C SCovE AY OisCOvfRY CEECA.PTCN l
d l 0l 4l 5l l NA l W l
NA 1
60 7 8 9
10 12 13 44 45 46 LCCATCN OF DELEASE ItS'EYs'Ea os E/Ast l l
l NA AucuNr er ACtrvirY l
(_2]
NA 60 E
d 7 8 9
10 11 44 45
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PERSONNEL EXPOSURES NuMecn type cEScapTCN l
l 0l 0j 0]
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l NA 60 1
7 89 11 12 13 PERSONNEL INJbRES N W BER OESCAtAtCN EE l0l0l0l l
NA 80 7 89 11 12 OFFSITE CONSECUENCES l
NA hl 60 7.89 LOSS OR OAMAGE TO FACILITY I
TYPE CESCRIPTCN 60 uA DE Lal I
7 89 10 8306270023 761214 PUBUCITY PDR ADDCK 05000296 l
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1 l
S PDR 60 7 89 4
ADDITIONAL FACTORS l
E l This was a random failure and no additional action is recuired.
7 89 60
'.7 89 PHONE:
_ NAME:
GPC 481 667
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TENNESSEE VALLEY AUTHORITY D COPX CH ATTANOOGA. TENNESSEE 374ot
'??6 198 December 14, 1976 Mr. Norcan C. Itoseley, Director U.S. I!uclear Regulatory Co= mission Office of Inspection and Enforcement
[,
Region II
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a O,tL ^, 2 " " '
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230 Peachtree Street,fiW., 8th Floor c.
Atlanta, Georgia 30303 h.
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Dear Mr. Moseley:
TCCIESSEE VALLEY AUTHORITY - BROT.".iS FERRY !;UCLEAR PLM!T UNIN 3 -
DOCI'IT NO. 50-296 - FACILITY OPPRATI!!C LICCISE DPR REPCRTABLE OCCURREIICE REPORT BFR 0-296/76D The enclosed report in to provide details concerning start circuit 1 of D/C 3D that was found inoperable becauce of a relay failure in the a
speed sensing circuit during the performance of a scheduled maintenance test. This report is submitted in accordance with Browns Ferry Technical Specifications Section 6.
This event occurred on Brouns
-Ferry Nu-Jen-Plont unfe 3.
Very truly yours, TE!!NESSEE VALLEY AUTIIORITY
/
f II. S. Fox Director of Power Production vgw REGION
/
Enclosure (3)
CC (Enclosure):
Director (3)
Office of !!anagement Information and Program Control I
U.S. 1uclear Reguintory Connicsion Washington, I.C.
20555 nirecenr (40)
Office of Inspection and Enforcement U.S. !!uclear Regulatory Co=:aission Washington, D.C.
20555 I
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c'hY.(
i An Equal Opportunity Employer
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