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 U.S.NUCLEAR REGULATORY COMMISSION 80-010/03L-0 LICENSEE EVENT REPORT (CAR 1275)QI (PLEASE PRINT OR TYPE ALL REQUIRED INFORMATION) 6 Qs.4 1 1 1 1 QE~QE LICENSE NUMBER 25 26 LICENSE TYPE 30 57 CAT 58 NRC FC 366I7.77)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 o N E 3 1 5-5 2 4-4 4 4 6, ex t~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 AMOUNT OF ACTIVITY~LOCATION OF 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 DAMAGE TO FACILITY Q43 TYPE DESCRIPTION

~ZQ42 NA 7 8 9 10 I g 0