ML20084U261
| ML20084U261 | |
| Person / Time | |
|---|---|
| Site: | Browns Ferry  |
| Issue date: | 08/06/1976 |
| From: | Fox H TENNESSEE VALLEY AUTHORITY |
| To: | Moseley N NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II) |
| Shared Package | |
| ML20084U265 | List: |
| References | |
| LER-BFRO-50-296-762, NUDOCS 8306280393 | |
| Download: ML20084U261 (2) | |
Text
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LICENSEE EVENT REPORT CONTROL BLO l
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[PLEASE PRINT ALL CEOUIRE3 INFORMATION) 1 6
'/' $AME LEENSE NUMBER TV 1
0 l AI LlB lR lF l3 l l0l0l-lOlOl0l0l0l-l0l0l l 4l1 l ll ll1 l 10 11I 7 89 14 15 25 28 30 31 32 CATE00RY T7P R
OOCKET NUMBER EVENT DATE REPORT DATE O CON T l l
l y lL j l 0 l 5 l 0l-l 0l2 l9 l6 l l0 l 7 l 2 l 3 l 7l 6l l
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7 8 57 58 59 60 61 68 69 74 75 80 EVENT DESCRIPTION gg l On 7/23/76, the control rod drive pump was removed frcan service to permit the l
80 7 89 35 l installation of strain gauge instrumentation on selected fuel channels. On l
80 7 89
][ l 7/27/76, Surveillance Instruction 4.3.A.2-d determined the control rod l
80 7 89 DE l accumulators to be inoperable due to low pressure without the requirements of l
di LC033A2b being met.
(BFRO-50-296/762) 8j D
CODE COMPONENT CODE AC R
VOLATION DE I 91Bl (A]
lC I R l DlRlV lE l W
l Gl O l 8 l 0l y
7 89 10 11 12 17 43 44 47 48 CAUSE DESCRIPTION DE l The requirement of LC033A2b was overlooked by plant personnel when the l
7 89 80 hl work was apOroved.
l 7 89 80 MI I
STA S
% POWER OTHF1 STATUS DISCOVERY DISCOVERY OESCRIPTON Lut) 1010101 I ra I
lsJ l na l
1 7 8 9
10 12 13 44 45 46 80 LE EL ASE AMOUNT OF ACTMTV LOCATON OF RELEASE H
L z3 OF !aJl ra l
l ra l
7 8 9
10 11 44 45 80 PERSONNEL EXPOSURES NUMBER TYPE DESCAIPTON DE 101010 i LzJ l nr l
7 89 11 12 13 80 PERSONNEL INJURIES NUMDEA DESCAiPTON DE l 0l0 l0 l lla l
7 89 11 12 80 OFFSITE CONSEQUENCES D2 I E l
7 89 80 LOSS OR OAMAGE TO FACiUTY TYPE DESCAsPTON 8 La J lia l
7 89 10 80 PUBLICITY 8306280393 760806 0500029 g [ NA gDR ADDCK g
7 88 80 ADDITIONAL. FACTORS H l Although the control rods were not d'icarmed, with the CRD pumps off, the rod l
7 89 80
@ l could not be moved.
l 7 89 80 NAME:
PHONE:
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TENNESSEE VALLEY AUifiORITY gyILE COPY CHATTANOOGA. TEf4NEGSCE 37401 c.
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Aucant 6, 1976 9-g [Rcovt0
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D' AUG 0 1976 O
IIr. IIorrna C. Ibsoley, Director ku.s.nonianncnica$
%yyy U.S.1:ncicar Regulaton Cornission Offico of Incpection and Inforcement p(',
./jjj[g#g\\7, Region II
/
230 Peachtree Gtreet, Ef., 8th Floor Atinnta, Coorcia 30303
Dear 14r. Ibsoley:
TEUiECSEE VALIZY AUDIORITY - BIl0 zig FERRY IMCImR PL*.I;T WIIT 3 -
DCCET If0 50-296 - FACILITl OPZEATIHO LICEi13E DPR REPORTABLC OcCURRE:!CE R20IC ICRO-50-2%/7631 The enclosed report in to provido details concernhig the centrol rod drivo incp which was reruved frcut acrvice to parmit the installation of strain cauce instru.r.cntation on selected fuel channcic and in culnitted in accordanco with Lirpendix E to Regulatory Guido 1.16, Rovinion 4, Au,T,1ct, l'7/5. Thio event occurred on Browns Tcrq Uuclear Plant unit 3.
Very tndy youra, TEEiESSEC VAILLY AUIIIORIYl II. B. Fox Director of Power Production Diclocuro(3)):
CC(Enclocuro
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Director (3)
Offica of 1%nncenent Infonation and Progran Control U.S. liuclear Ecgulatory Cormincion Wachhicton, D.C.
L'0555
<Dirtetor (150)
Offico of Inapection anil Enforeccent U.S. !!uelear Ecculatory Conniacion
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Waohim; ton, D.C.
20555
- 5t An Equal Opportunity Employer 80S'7 r,
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