ML20084U044
| ML20084U044 | |
| Person / Time | |
|---|---|
| Site: | Browns Ferry  |
| Issue date: | 12/16/1976 |
| From: | Fox H TENNESSEE VALLEY AUTHORITY |
| To: | Moseley N NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II) |
| Shared Package | |
| ML20084U041 | List: |
| References | |
| LER-BFRO-50-296-761, NUDOCS 8306270028 | |
| Download: ML20084U044 (2) | |
Text
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U SEE EVENT. REPORT O
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[ PLEA!E PRINT ALL REQUIRED OgM ATION).
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FAME LCENSE NOV8EA Y
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30 31 32 CATEGORY T P SO OOCKET NUMBER EVENT DATE REPORT CATE i:11] CON'T l l
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1 7 8 57 58 59 60 61 68 69 74 75 80 EVENT DESCR:PTION EI? l Durine startup testing the torus oxygen sensor failed to respond properly to calibra-l
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The ' redundant hydronen 80.l"
!:i 1 l tion cas while perforfaine a surveillance test.
2 e-ent vns 80 89 g.[ l operable. 'This is a repetitive problem.
Inspection of sensor and calibration piston l 80
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requires shutdown within 30 days to determine cause. BFRO-50-296/7618 a9 EIsl I g
80 7 89 PraME
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C00E COMPONENT CODE M VF FD VOLATCN i:;7l l 7 l p j (y,_)
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7 89 10 11 12 17 43 44 47 48 CAUSE CESCR:PTION
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9 80 STA ib POWER OTHER STATUS DSCOVERY DISCOVERY CESCA.PTON 1 1 l Bl l0 l7 l1l l
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Surveillance Test l
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10 12 13 44 45 46 80 OF NASE l AMOUNT OF ACTMTV LOCATON OF AELEASE 5
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10 11 44 45 80 PERSONNEL EXPOSURES P.Jve!4 TYPE DESCR@TCN NA g
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7 89 11 12 80 OFFSfTE CONSECUENCES
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-l 80 7 89 8306270028 770126 LOSS OR OAMAGE TO FACILITY PDR ADOCK 05000296 Tvn CESCA@ TON
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7 89 10 80 PUBLtCITY gl NA 7 99 80 ADOtT:CNAL FACTORS
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CH ATTANOOGA. TENNESSEE 374ot We.#
December 16, 1976 g
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Mr. Norman C. Moseley, Director qf j G U.S. Nuclear Regulatory Cot:naission
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Office of Inspection and Enforcement
, Region II 230 Peachtree Street, NW., 8th Floor
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Atlanta, coorgia 30303 b
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Dear Mr. Moseley:
TENNESSEE VALLEY AUTHORITY - BROUNS FERRY NUCLEAR PLANT UNIT 3 -
DOCKLT No. 50-296 - FACILITY OPERATING LICENSE DPR REPORTABLE OCCURRENCE REPORT BFRO-50-296/7618 The enclosed report is to provida details concerning the torus oxygen sensor that failed to respond properly to calibration gas while performing a surveillance test during startup testing. This report is sub:nitted in accordance with Browns Ferry Technical Specifications Section 6.
This event occurred on Browns Ferry Nuclear Plant unit 3.
- Very truly yours, TENNESSEE VALLEY AUTHORITY H. S. Foz Director of Power Production Enclosure (3)
CC (Enclosure):
Director (3)
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Office of Management Information and Program Control U.S. Nuclear Regulatory Commission Washington, D.Cf 20555
_ Director _ _(40)
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Office of Inspection and Enforcement U.S. Nuclear Regulatory Commission Washington, D.C.
20555 S
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An Equal Opportunity Employer t
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