ML13308B465
| ML13308B465 | |
| Person / Time | |
|---|---|
| Site: | San Onofre  |
| Issue date: | 05/05/1977 |
| From: | SOUTHERN CALIFORNIA EDISON CO. |
| To: | NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION V) |
| References | |
| RO-77-10, NUDOCS 8103060016 | |
| Download: ML13308B465 (2) | |
Text
- LICENSEE EVENT REPORT (77-1 0)
CONTROL BLOCK:
(PLEASE PRINT ALL REQUIRED INFORMATION]
1 6
LICENSEE LICENSE EVENT NAME LICENSE NUMBER TYPE TYPE 1 I AS OSL0 0-1 01 01 0 -1 01 411I11 113 7
89 14 15 25 26 30 31 32 REPORT REPORT CATEGORY TYPE SOURCE DOCKET NUMBER EVENT DATE REPORT DATE 01 CONT l0P.L10 LLJ L l
0 51 01-10 12 10 16 1 I101 4111 71 71 71 015 10 15 171 71 7
8 57 58 59 60 61 68 69 74 75 80 EVENT DESCRIPTION During normal operation April 18, 1977 Rx. Cool. Sys. Leakage increased to 3.21qpm 7
8 9 80 3 I from 0.87 gpm. Investigation revealed the source as packing leakoff from FCV-1115 D, I 7
8 9 80 M64 I flow control to loop A RCP seal.
The leak was terminated and RCS leak rate dropped 7
8 9 80 05 Ito 0.13 gpm. The event is not repetitive. Redundant systems were available.(77-10) I 7
8 9 80 7
B 9 PRIME 80 SYSTEM CAUSE COMPONENT COMPONENT CODE CODE COMPONENT CODE SUPPLIER MANUFACTURER VIOLATION EDJ I PIC I I
'VI Aj Lj VI Ej X1 N,
lB 12 19 151 LU 7
8 9 10 11 12 17 43 44 47 48 CAUSE DESCRIPTION EH I The cause was excessive packing leakage from FCV-1115 D. The leakoff line was 7
8 9 80 09 crimped closed and plugged and the packing will be replaced at the next cold s/d.
e 7 89 80 7
89 80 FACILITY METHOD OF STATUS
% POWER OTHER STATUS DISCOVERY DISCOVERY DESCRIPTION I [fI L 01 81 81 NA I[BI lIRCS. leak rate monitoring 7
8 9
.10 12 13 44 45 46 80 FORM OF ACTIVITY COrTENT RELEASED OF RELEASE AMOUNT OF ACTIVITY LOCATION OF RELEASE ODI_
I NA 7
8 9
10 11 44 45 80 PERSONNEL EXPOSURES NUMBER TYPE DESCRIPTION 1 I01 10
[ J I NA 7
8 9 11 12 13 80 PERSONNEL INJURIES NUMBER DESCRIPTION 14l 01 10 NA 7
8 9 11 12 80 OFFSITE CONSEQUENCES 15 NA 1
7 8 9 80 LOSS OR DAMAGE TO FACILITY TYPE DESCRIPTION 16 I
I NA 7
8 9 10 80 PUBLICITY 17 NA 7
69 80 ADDITIONAL FACTORS (11 I NA 7
8 9 80 NAME:
PHONE:_80
/O %
O o
-rGPO 881-667
19U AAY31 Pm 24