ML20084U276
| ML20084U276 | |
| Person / Time | |
|---|---|
| Site: | Browns Ferry  |
| Issue date: | 12/08/1976 |
| From: | Fox H TENNESSEE VALLEY AUTHORITY |
| To: | Moseley N NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II) |
| References | |
| LER-BFRO-50-260-761, NUDOCS 8306280475 | |
| Download: ML20084U276 (2) | |
Text
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OLICENSEE EVENT. REPORTOV v
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(PLEATE PRINT ALI, REQUIRED INFORM ATION).
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TYPE LCENSE NUM8ER
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30 31 32 7 E9 14 15 REPORT DATE E
DOCKET NUMBER EVENT DATE h0u
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CATECORY T
68 69 74 75 80
/ 8 57 58 59 60 61 EVENT DESCRIPTION j
g ] During startup testing, EHC loss of fluid pressure switch PS-47-142 failed to give a 80 Q l htlf scram when test'ed. The three remaining pressure switches operated satisfactor r 89 80 The switch was removed, cleaned, and returned to
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89' f5IdllThisisnotarepetitiveproblem.
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h l service.
BFRO-50-260/7616 80 7 49 05 l 80 3 09
- pay, MANUF C UAER VOLATON COMPONENT ' CODE 37 lI l Al (j lIlNlSlTlRlUl l Bl 0l 7l 0l CE CODE 7 69 10 11 12 17 43 44 47 48 CAUSE CESCRIPTION l The Barksdale model TC9622-3 pressure switch was found to be plugged with teflon l
38 80 7 89 l
Q l tape which prevented operation.
80 7 89 I
Fl 7
8 METHOO OF OtSCOVERY DESCA PTON nCurY STATUS
% POWER OTHER STATUS DISCOVERY Q
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Surveillance Test l
80 7 8 9
10 12 13 44 45 46 LOCATON OF AELEASE l
AELE $10 OF EL ASE AMOUNT OF ACTMTV NA l
l NA W
Jl 12 80 7-8 9
10 11 44 45 PEPSONNEL EXPOSURES b;UYBER TYPE DESCAiPTON l
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NA 80 7 89 11 12 13 PERSONNEL INJUA:FS l
P4UMBEA DESCRPTON NA 8 10101 01 i
80 7 89 11 12
-l OFFSITE CONSEQUENCES Ql ~
NA 7 89 8306280475 761200 LOSS OR OAMAGE TO FActuTY PDR ADOCK 05000260 tyra OEsCaiPTON S
PDR j
NA-
'@Wl 80 7 89 10 PUBLICITY l
NA
,Ml 80 7 89 ADDITIONAL FACTORS l The switch u s removed'and c'1 caned, When the tape was removed and satisfactorv l
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f g.l, instrument operation verified, it was returned to service.
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///6-19 8 December 8, 1976 Mr. Norman C. Moseley, Director U.S. Nuclear Regulatory Commission Office of Inspection and Enforcement Region II 230 Peachtree Street, NW., 8th Floor Atlanta, Georgia 30303
Dear Hr. Hooeley:
TENNESSEE VALLEY AUTIl0RITY - ER0!MS FERRY NUCLEAR PLANT UNIT 2 -
DOCKET NO. 50-260 - FACILITY OPERATING LICENSE DPR REPORTABLE OCCURRENCE REPORT BFRO-50-260/7616 The enclosed report is to provide details concernin;; E11C loss of fluid prensura cwitch PS 142 that failed to give a half scran when tected during startup testing. Thin report in subnitted in accordance with Browns Ferry Technical Specifications Section 6.
This event occurred on Browns Ferry Nuclear Plant unit 2.
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Very truly yours, TENNESSEE VALLEY AUTIIORITY I
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ir ct of Power Production "Enclooura (3)
CC (Enclosure):
Director (3)
Office of Manag ent Infornation and Program Control U.S. Nuc1 car Re ulatory Commission Washington, D.C 20555 Director (40)
Offico of Inspection and Enforcement U.S. Nuclear Reguintory Coramission Washington, D.C.
20555 r
An Equal Opportunity Employer
.