05000244/LER-1980-010-03, /03L-0:on 801125,pinhole Leak Found in Weld on RHR Thermowell.Caused by Poor Quality Weld.Weld Repaired

/03L-0:on 801125,pinhole Leak Found in Weld on RHR Thermowell.Caused by Poor Quality Weld.Weld Repaired

ML17309A114
Person / Time
Site:	Ginna
Issue date:	12/23/1980
From:	Spector S ROCHESTER GAS & ELECTRIC CORP.
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I)
Shared Package
ML17250A837	List: 05000244/LER-1980-010, Forwards LER 80-010/03L-0 05000244/LER-1980-010-03, /03L-0:on 801125,pinhole Leak Found in Weld on RHR Thermowell.Caused by Poor Quality Weld.Weld Repaired
References
LER-80-010-03L, LER-80-10-3L, NUDOCS 8012300525
Download: ML17309A114 (2)

LER-1980-010, /03L-0:on 801125,pinhole Leak Found in Weld on RHR Thermowell.Caused by Poor Quality Weld.Weld Repaired

Event date:
Report date:
2441980010R03 - NRC Website

text

4 U. S. NUCLEAR REGULATORYCOMMISSION 80-010/03L-0 LICENSEE EVENT REPORT (CAR 1275)

QI (PLEASE PRINT OR TYPE ALLREQUIRED INFORMATION) 6 Qs

.4 1

1 1

1 QE~QE LICENSE NUMBER 25 26 LICENSE TYPE 30 57 CAT 58 NRC FC 366 I7.77) system.

This constitutes a degradation of a system designed to contain radioactive

~O3 material.

(T ~ S

~ 6. 9. 2. b (4) )

Residual heat removal operation was continued through 6

a lternate discharge to RCS, and at lea st one steam generator wa s available CONTROL BLOCK:

I [os)

N Y R

E G

1 Q2 0

8 9

LICENSEE CODE 14 15 CON'T

~57

""" ~LQO 0

5 0

0 0

2 4

4QT 1

1 2

5 8

0 5

1 2

2 3

8 0

Qs 7

8 60 61 DOCKET NUMBER 68 69 EVENT DATE 74 75 REPORT DATE 80 EVENT DESCRIPTION AND PROBABLE CONSEQUENCES QIO

~o2 During a unit'hutdown a pinhole leak tva s found in the weld of a thermowell on the RHR

~O6

~O7

~OB 7

8 9

80 7

8 SYSTEM

CAUSE

CAUSE COMP.

VALVE CODE CODE SUBCODE COMPONENT CODE SUBCODE SUBCODE F

QTT 8

Q>>

~CQTE P

1 P

E X

X QE

~AQEE Z

QEE 9

10 11 12 13 18 19 20 SEQUENTIAL OCCURRENCE REPORT REVISION LERIRO EVENT YEAR REPORT NO.

CODE TYPE NO.

Q17 REPoRT ~80

+

~01 0

Q>

~03 QL Q

0 21 22 23 24 26 27 28 29 30 31 32 ACTION FUTURE EFFECT SHUTDOWN ATTACHMENT NPRDQ PRIME COMP.

COMPONENT TAKEN ACTION ON PLANT METHOD HOURS +22 SUBMITTED FORM SUB.

SUPPLIER MANUFACTURER

~SQTE ~ZQER

~CQ25

~ZQET O

O 0 Z

~WQ22

~@@4

~WQ25 X

O S

S Q 33 34 35 36 37 40 41 42 43 44 47 CAUSE DESCRIPTION AND CORRECTIVE ACTIONS Q27 5

The initial weld was of poor quality and is believed to be the reason for the leak.

The weld was repaired to current standards.

3 4

80 80 80 45 80 80 80 NRC USE ONLY 68 69 80 Ts oN E 3 1 5 5 2 4 4 4 4 6, ext ~ 2 1 4 S. M. Spector NAME OF PREPARER 7

8 9

FACILITY

~30 METHOD OF STATUS

% POWER OTHERSTATUS ~

DISCOVERY DISCOVERY DESCRIPTION Q32

~75 X

Q25 ~00 0

Q25 Crevice cleaninp

~AQOT Durinq operational tour 7

8 9

10 12 13 44 45 46 ACTIVITY CONTENT RELEASED OF RELEASE AMOUNTOF ACTIVITY~

LOCATIONOF RELEASE Q 6

~Z Q33

~ZQ34 NA NA 7

8 9

10 44 PERSONNEL EXPOSURES NUMBER TYPE DESCRIPTION Q39

~00 0

QET Qss NA 7

8 9

11 12 13 PERSONNEL INJURIES 7

8 9

11 12 LOSS OF OR DAMAGETO FACILITYQ43 TYPE

DESCRIPTION

~ZQ42 NA 7

8 9

10

I g 0