ML20084U376
| ML20084U376 | |
| Person / Time | |
|---|---|
| Site: | Browns Ferry  |
| Issue date: | 07/12/1976 |
| From: | Fox H TENNESSEE VALLEY AUTHORITY |
| To: | Moseley N NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II) |
| References | |
| LER-BFRO-50-260-767, NUDOCS 8306280650 | |
| Download: ML20084U376 (2) | |
Text
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C UCENSEE EVENT REPO CONTROL BLOCK:l l
l l l l
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[PLEASE PRINT ALL REQUIRED INFORMATION) 1 6
efA LOENSE NUMBER YPE TY l A l L l B l R'l F l 2 l l 0l 0l-l0 l 0 l 0l 0l 0l-l0 l0 l l4 l1 l1 l1l1l l0l1l 01
/ 89 14 15 25 26 30 31 32 CATEGORY Y
SOU DOCKET NUMBER EVENT DA TE REPORY OATE O 1 CON T l
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- l W W l 0l 5l 0l-l0 l2 l 6 l 0l l 0l 6l 1l 9l 7l 6l l 0l 7l 1l2 l7 l6 l 7 8 57 80 59 60 81 68 69 74 75 80 EVENT DESCRIPTION DE IIhe unit was in cold shutdown with all rods inserted. Alarm lights indicated water l
7 89 80
@ l leakage. by the accumulator pistons on HCU Nos. 34-43 (June 19,1976), 46-07 (June 21, l 7 89 80
$ M f). and 58-35 (July 2.1976). Each HCU was removed from service and the o-rings l
7 89 80 3G l replaced. BFRO-50-260/767.
l 7 89 80 30 I I
7 89 80
,,,ug E
CODE COMPONENT CODE R
MANLA R
VIOLATION
@ lRl Bl W lA lC lCl Ul Ml UI W
lGl0l8l0l W
7 89 10 11 12 17 43 44 47 48 CAUSE DESCRIPTION 8 l Normal wear failure l
7 89 80 Ml l
7 89 80 DE I I
STAT
% POWER OTHER STATUS DECOVERY DISCOVFRY DESCR@ TON 3
d l0l0l0l l l W l Alarm lights l
7 8 9
10 12 13 44 45 48 80 OF RNASE l AMOUNT OF ACTMTV LOCATON OF F4 ELE ASE LE W
N/A l
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h 7 8 9
10 11 44 45 80 PERSONNEL EXPOSURES NUMBER TYPE DESCRIPTON g g l0 l0 l 0 l [Zl l
N/A l
7 89 11 12_
13 80 PERSONNEL INJURIES NUMBER DESCRIPTON b l 0l0 l0 l l N/A l
7 89 11 12 80 OFFSITE CONSEGUENCES 32 l N/A l
7 89 80 LOSS OR OAMAGE.TO FACILITY OESCRIPTON l
7 89 10 80 PUBLICilY eo 7 89 B306200650 760712 ADDITIONAL FACTORS PDR ADOCK 05000260 PDR 18 l 6
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7 89 80 gg l N/A l
80 7 89 NAME:
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Mr. Nortan C. Moscicy, Director 7'
.4, U.S. Iluclcar Reculatory Co. mission
.s Office of Inspection and Enforcement
, /g~] p p Region II 230 Peachtree Street, IM., 8th Floor Atlanta, Georgia 30303
Dear Mr. Mosclcy:
TEtHESEE VALLEY AUTIIO?.Irl - BRONIIS FERT( ITUCIEAR PIAITI U:IIT 2 -
DOCKET I!O. 50-260 - FACILITI OPE?ATII!G LICE::SE DPR REPORTABLE OCCURRE:lCERCPORTDFED-50-260/767W The enclosed report is to provide details concerning a3nrn lights indicating water lealmge by the accumulator pistons on HCU 34-43 (June 19,1976), 46-07 (June 21,1976), and 58-35 (Jtdy 2,1976) and is submitted in accordance with Appendix E to Regalatory Guide 1.16, Revision 4, August 1975.
This cycnt occurred on Browns Ferry I!uclear Plant unit 2.
Very truly yours, TENIESEE VALLEY AUTIl0RITY
~
II. S. Fox Director of Power Production
= f.3 Enclosure (3)
CC(Enclosure):
Director (3)
Offico of Management Infoncation and Program Control U.S. IIncicar Re;;ulatory Commis:: ion Washington, D.C.
20555 Director (40)
Offico of Inspection and Enforcement U.S. I!aclear Ec3ulatory Co::'r.ission Washinston, D.C.
20555 7309
.J An Equal Opportunity Employer
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