ML17309A114

LER 80-010/03L-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: ML17250A836 ML17309A114
References
LER-80-010-03L, LER-80-10-3L, NUDOCS 8012300525
Download: ML17309A114 (2)

Text

4 NRC FC 366 U. S. NUCLEAR REGULATORY COMMISSION I7.77) 80-010/03L-0 LICENSEE EVENT REPORT (CAR 1275)

CONTROL BLOCK: QI (PLEASE PRINT OR TYPE ALL REQUIRED INFORMATION)

I 6

[os) N Y R E G 1 Q2 0

LICENSE NUMBER 25 Qs 26

.4 1 1 LICENSE TYPE 1 1 30 QE~QE 57 CAT 58 8 9 LICENSEE CODE 14 15 CON'T

~57 """ ~LQO 0 5 0 0 0 2 4 4QT 1 1 2 5 8 0 74 5

75 1 2 2 3 REPORT DATE 8 0 Qs 80 7 8 60 61 DOCKET NUMBER 68 69 EVENT DATE 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

~O3 system. This constitutes a degradation of a system designed to contain radioactive 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

~O6

~O7

~OB 80 7 8 9 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 8 9 10 11 12 13 18 19 20 7 REVISION SEQUENTIAL OCCURRENCE REPORT Q17 LERIRO REPoRT ACTION FUTURE EVENT YEAR

~80 21 22 EFFECT

+23 SHUTDOWN

~01 24 REPORT NO.

0 26 Q>

27

~03 28 ATTACHMENT CODE 29 NPRDQ TYPE QL 30 PRIME COMP.

Q 31 NO.

32 0

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 7

~75 8 9 FACILITY STATUS X Q25 ~00

% POWER 0 Q25 OTHERSTATUS Crevice cleaninp

~

~30 METHOD OF DISCOVERY

~AQOT Durinq operational tour DISCOVERY DESCRIPTION Q32 7 8 9 10 12 13 44 45 46 80 6

ACTIVITY CONTENT RELEASED OF RELEASE

~Z Q33 ~ZQ34 AMOUNT OF ACTIVITY NA

~ NA LOCATION OF RELEASE Q 7 8 9 10 44 45 80 PERSONNEL EXPOSURES NUMBER TYPE DESCRIPTION Q39 7 8

~00 9

0 11 QET 12 Qss 13 NA 80 PERSONNEL INJURIES 7 8 9 11 12 80 LOSS OF OR DAMAGE TO FACILITY TYPE DESCRIPTION Q43

~ZQ42 NA 80 NRC USE ONLY 7 9 10 68 69 80 Ts 8

S. M. Spector oNE 3 1 5 5 2 4 4 4 4 6, ex t ~ 2 14 NAME OF PREPARER

I g 0