ML17258A931

Updated LER 81-002/03X-1:on 810109,safety Injection Pump Did Not Start W/Westinghouse DB-50 Air Circuit Breaker 16 During Test C.Caused by Closing Circuit Malfunction.Breaker Replaced & Tested.Investigation Continuing

ML17258A931
Person / Time
Site:	Ginna
Issue date:	04/01/1981
From:	Edgar E ROCHESTER GAS & ELECTRIC CORP.
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I)
Shared Package
ML17258A932	List: ML17258A931 ML17309A141 ML17309A142
References
CAR-1278, LER-81-002-03X, LER-81-2-3X, NUDOCS 8104070573
Download: ML17258A931 (2)

Text

I'C,~FRM 366 U.S.NUCLEAR REGULATORY COMMISSION 81-002/03X-1 Update Report-Previous Repo Date 1/30/81 ENSEE EVENT REPORT CONTROL BLOCK: OT (PLEASE PRINT OR TYPE ALL REQUIRED INFORMATIONI I 6 N Y R E G 1 QE 0 0-0 0 0 0 0-0 0 Q3 4 1 1 1 1 Q4~OE 9 I.ICENSEE CODE 14 15 LICENSE NUMBER 26 LICENSE TYPE 30 57 CAT 58 topi j 7 8 CON'T~p L QB 0 5 0 0 0 2 4 4 07 1 0 9 8 1 B 0 4 0 1 8 1 QB 60 61 DOCKET NUMBER 69 EVENT DATE 74 75 REPORT DATE 80 EVENT DESCRIPTION AND PROBABLE CONSEQUENCES Q10 During test C SI pump did not start with bus 1 6 breaker.(T.S.3.3.1.1 c).The C pump 7 8 p 3 had been proven operable using bus 14 breaker during this test as well as the other 2 CZ3 4 pumps~After examining breaker for position breaker was fully racked out, then fully 6 racked in, and operation proved successful.

~OB~O7~OB 7 8 9 80~OB 7 8 SYSTEM CAUSE CAUSE COMP.VALVE CODE CODE SUBCODE COMPONENT CODE SUBCODE SUBCODE~SF Qll E Q>>~AQ>>C K T 8 K R QE~AO75~Z Q'8 9 10 11 12 13 18 19 20 SEQUENTIAL OCCURRENCE REPORT REVISION LERIRP EVENT YEAR REPORT NO.CODE TYPE NO.QTT REPQRT~81~~00 2~W~03~X-~1 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 Q22 SUBMITTED FORM SUB.SUPPLIER MANUFACTURER Qls~DOPE~ZO29~ZOET'0 0 0+NO23~Q24~NO25 0 O29 33 34 35 36 37 40 41 42 43 44 47 CAUSE DESCRIPTION AND CORRECTIVE ACTIONS Q27 p Closing circuit malfunction.

During intensified observation efforts malfunction recurred as reported in LER 8 1-005.After malfunction in which monitoring instrumentation was used, qualified replacement breaker was installed and tested.Faulty breaker to be examined and tested by RG&E and Westinghouse to identify exact cause.Breaker is 4 Westinghouse DB-50 air circuit breaker, 500 amp.7 8 9 FACILITY~3P METHOD OF STATUS%POWER OTHER STATUS~DISCOVERY~l5~E Q28~10 0 Q29 NA~BQ31 7 8 9 10 12 13 44 45 46 ACTIVITY CONTENT~RELEASED OF RELEASE AMOUNT OF ACTIVITY Q36 6~Z Q33~ZQ34 NA 7 8 9 10 11 44'5 PERSONNEL EXPOSURES NUMBER TYPE DESCRIPTION Q39 o O37 M~038 NA 7 8 9 11 12 13 PERSONNEL INJURIES NUMBER DESCRIPTIONQI

~ill~00 0 Q40 NA 7 8 9 11 12 LOSS OF OR DAMAGE TO FACILITY Q43 TYPE'ESCRIPTION Z Q42 NA 8 9 10 PUBLICITY ISS D DESCRIPTION Q~2p~P Q4 NA 8 1 04'0705 8 NAME QF PREPARFR E~Clair Edgar DISCOVERY DESCRIPTION Q32 Surveillance test 80 80 NA LOCATION OF RELEASE Q 80 80 80 NRC USE ONLY 80 68 69 80 o PHONE3 1 5 524-4446 ext.248 I

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