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
, CONTROL BLOCK:l l l l l l [ PLEA!E PRINT ALL REQUIRED OgM ATION) .
1 8 FAME LCENSE NOV8EA Y TYPE
{7 _69Al Ll Bl Rl Fl 3l 14 l0l0l-l0l0l0l0l0l-l0l0l25 l4l1 15 28 .
l1l1l1l 30 l 0] 3l 31 32 CATEGORY T P SO OOCKET NUMBER EVENT DATE REPORT CATE i:11] CON'T l 7 8 57 l
58 l W 59 W60 l 0l 5l 0l-l 0l 2l 9l 6l 61 68 l1 l1 l1 l 7 l7 l 6 l 69 74 l
75 l l l l l 80 l
1 EVENT DESCR:PTION EI? l Durine startup testing the torus oxygen sensor failed to respond properly to calibra- l
,7 3 80
!:i 21 l
~
tion cas while perforfaine a surveillance test. The ' redundant hydronen e-ent vns .l" 89 80 g.[ l operable. 'This is a repetitive problem. Inspection of sensor and calibration piston l
- 89 80
, l requires shutdown within 30 days to determine cause. BFRO-50-296/7618 a9 g
EIsl I 7 89 PraME 80
7 89 10 11 12 l Il Nl Sl Tl Fl U l 17 d43 lGl0l8l0l 44 47 d48 "
CAUSE CESCR:PTION NA
!:15ll l 7 89 EE11
- "j 7 89 e 7l 1 7~ 9 80 STA ib POWER OTHER STATUS DSCOVERY DISCOVERY CESCA.PTON 7 8 11 l Bl 9
l0 l7 l1l 10 12 13 l NA 44 l W45 l
46 Surveillance Test 80 l
5 AMOUNT OF ACTMTV LOCATON OF AELEASE 1E l Zl OF y NASE l NA l l NA l j 7 8 9 10 11 44 45 80 PERSONNEL EXPOSURES P.Jve!4 TYPE DESCR@TCN (ta}lolol0l dl NA 80 g
- 7 89 11 12 13 PERECNNEL INJURIES ,
P.W 5 E 4 OESCRIPTON g
l i.pl l 0l0 l 0 l l NA 1 7 89 11 12 80 OFFSfTE CONSECUENCES
[ig) l NA -l 7 89 -
80 LOSS OR OAMAGE TO FACILITY 8306270028 770126 Tvn CESCA@ TON PDR ADOCK 05000296 S PDR
]Jl 7 89 10
- N.
80 g
PUBLtCITY gl NA .
7 99 80 ADOtT:CNAL FACTORS
]l
! G9 NA 80 4 7 59
]l NA 83 M VvT3 RT6TY1_ __ o
a
+
%q IEFH.E qI 9 TENNESSEE VALLEY AUTHORITY
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[9 m. CH ATTANOOGA. TENNESSEE 374ot ,
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- December 16, 1976 g
. [. . , '
"s gf'. j Mr. Norman C. Moseley, Director g y\
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U.S. Nuclear Regulatory Cot:naission .t!' 4 '
j GL Office of Inspection and Enforcement ,idi ~NV
, Region II Q k[CgO[Og ,D 230 Peachtree Street, NW., 8th Floor '; /%
Atlanta, coorgia 30303 b - M/
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) /
Office of Management Information and Program Control U.S. Nuclear Regulatory Commission Washington, D.Cf 20555
_ Director _ _(40) }
Office of Inspection and Enforcement U.S. Nuclear Regulatory Commission Washington, D.C. 20555 S
12864 t
An Equal Opportunity Employer t
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