ML20084T846
| ML20084T846 | |
| Person / Time | |
|---|---|
| Site: | Browns Ferry  |
| Issue date: | 01/20/1977 |
| From: | Fox H TENNESSEE VALLEY AUTHORITY |
| To: | Moseley N NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II) |
| References | |
| LER-BFRO-50-259-772, NUDOCS 8306240190 | |
| Download: ML20084T846 (2) | |
Text
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UCENSEE EVENT REPORT CONTnOt etOCol l$
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($st Pniur ati, ntruinca :NrOs maTiOu).
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fang DCfNSE NUMBEA Y
TYPE I:T Al1.1BIRIFlil Io 101-1oI oi ni nI nl-l ni nl It I, I, 11 1, i 10 I, 1 25 28 30 31 32 7 6b 14 15 y7p DOCKET NVMDE A EVENT DATE AipORT CATE ECOrt I 'l I
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CAT [COAY
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57 SG 59 60 61 68 89 74 75 80 EVENT DESCR:PTION f5Ts1 l During surveillance testing, pressure switch PS-3-74B (RHR pump discharge low j
80 i~6 9
[5i3] l pressure) exceeded technical specification setpoint.
Redundant switches were l
60 cl4] l available and this 'is not a repetitive problem.
Switch was recalibrated and
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- 89 80
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$ l functionally tested satisfactor11v.
BFRn 50-259/772.
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Ml 80 7 89 pavt b[t coYpCNENT ' CODE MAUF Clu A VOLATON cooE h l Cl Fl d l Il Nl SI 'll El U l lN!
lBl0l8!ol lJ_l u 69 10 11 12 17 43 44 47 48 CAUSE CESCRIPTION Switch was l
g lBarton model 288 pressure indicating switch #1 drifted below setpoint.
80 7 89 Serial # 6644 l
g l inspected, recalibrated, and functionally tested for repeatability.
80 7 89 l
7 3 range 0/500 usid.
60 a
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% POWf A OTHER STATUS C COVERY DISCOVERY DEE,CFw ON
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NA l
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During surveillance testing l
50 7 8 9,,
10 12 13 44 45 46 AC Tr.vT Y CONTENT LOCATON OF RELEASE I
AE; EASED OF HE(FASE AMOUNT CF ACTMTY NA l
l NA W
WI 1
80 7 8 5
10 11 44 45 PEPSONNEt EXPOSURES NuY2E4 TYOL DESCA;PTON l
NA 8 lol 01 01 LLI l
80 7 89 11 12 13 PERSCNNEL INJUR:ES enxcin OEsCn# TON 10 l O ! 01 l
NA 7 80 11 12 OFFSITE CONSECUENCES l
rg5] l NA 80 7 89 LOSS CA OAMAGE TO FACILITY l
IvrE CESCHtPTON Q[
l NA 7 89 10 0306240190 770120 PUBUCITY PDR ADOCK 05000259 PDR l
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80 7 89 ADDITIONAL FACTORS hl NA B0 7 09 l
60 7 C i' PHONE:
NAME:
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punom TENNESSEE VALLEY AUTHORITY y
g CHATTANDOGA. TENNESSEE 37401
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"_ / anuary 20, 1977 IE FILE COPY 2
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Mr. Norman C. Moseley, Director E4 7977 L,
U.S. Nuclear Regulatory Cornission p
Office of Inspection and Enforcenant Es. %,y %
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Region II g
230 Peachtree Street, NW., Suito 1217 Atlanta, Georgia 30303 8
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Dear Mr. Moseley:
TEN!iESSEE VALLET AUTHnRITY - BRINNS FERRY NUCLEAR PLANT UNIT 1 -
DOCKET MO. 50-259 - FACILITT OPERATING LICENSE DPR REPORTABLE OCCURRE' ICE REPORT BFRO-50-259/772 The enclosed report is to provide details concerning pressure switch PS-3-743 (RHR pump dischstge low pressure) that exceeded technical specification satpoint during surveillance testing. This report is sobmitted in accordance with Browns Ferry Technical Specifications
' ~ '
Section 6.
This event occurred on Browns Ferry Nuclear Plant unit 1.
s Very truly yours, TENNESSEE VALLEY AUTHORITT
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H. S. Fox Director of Power Production Enclosure (3)
CC (Enclosure):
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Director (3)
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Office of Management Information and Program Control U.S. Nuclear Regulatory Commission Washington, D.C.
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. Dire _ctor_L40) k Office of Inspection and Enforcement U.S. Nuclear Regulatory Commission Washington, D.C.
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'W An Equal Opportunity Em er
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