ML17244A343

LER 79-001/03L-0 on 790103:during Test C,Safety Injection Pump Failed to Start from Bus 14 Breaker on First Attempt. Caused by Loose Wire Connection to Alarm Switch in Circuit Breaker.Switch Replaced

ML17244A343
Person / Time
Site:	Ginna
Issue date:	01/24/1979
From:	Paris G ROCHESTER GAS & ELECTRIC CORP.
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I)
Shared Package
ML17244A344	List: ML17244A343 ML17261A103
References
LER-79-001-03L, LER-79-1-3L, NUDOCS 7901300139
Download: ML17244A343 (2)

Text

e ee NRC FO~l-366 U UCLEAR REGULATORY COMMISSION tg.77) 79-001/03L-0 LlCENSEE EVENT REPORT (CAR 1207) 0 Df CONTROL BLOCK: (PLEASE PRINT OR TYPE ALL REQUIRED INFORMATION)

I 6

~0 Ce 1 Q2 0 0 0 0 0 0 0 - 0 0 Qs 4 1 1 1 1 QD~QR 7 8 9 LICENSEE CODE 14 15 LICENSE NUMBER 25 26 LICENSE TYPE 30 57 CAT 58 CON'T

~01 900m909 GLOR 0 5 0 0 0 2 4 4 Qr 0 1 0 3 7. 9 Qs 0 1 2 4 7 9 Qs 7 8 60 6'I DOCKET NUMBER 68 69 EVENT DATE 74 75 REPORT DATE 80 EVENT DESCRIPTION AND PROBABLE CONSEQUENCES 010 Durin test C SI um failed to start from bus 14 breaker on first attem t. It started successfully on second attempt and also with the bus 16 breaker. (T.S. 3.3. 1. 1c).

The other two pumps were operable.

~O5

~O7

~OB 7 8 9 80 SYSTEM CAUSE CAUSE COMP. VALVE CODE CODE SUBCODE COMPONENTCODE SUBCOOE SUBCODE

~OB 7 8 9

~SF 10 Q11 B Q12 ~CQ12 12 13 C K T B R K 18 Qe ~BQR 19

~Z 20 Q'9 SEQUENTIAL OCCURRENCE REPORT REVISION Q1 LERIRO RwoRD ACTION FUTURE EVENT YEAR

~79 21 22 EFFECT

~23 SHUTDOWN

~pp 24 REPORT No.

1 26

+w 27

~03 28 ATTACHMENT CODE 29 NPRD~

TYPE

+L 30 PRIME COMP.

Q 31

+0 No.

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

~AQ19 ~ZQ19 ~ZQ20 ~ZQ21 0 0 0 0 ~NORD ~YQ24 ~NQ29 2IV 1 2 0 Qs 33 34 35 36 37 40 41 42 43 44 47 CAUSE DESCRIPTION AND CORRECTIVE ACTIONS 027 0 Loose wire connection to alarm switch in circuit breaker control wirin could have caused intermittent operation. Alarm switch was replaced with a qualified spare and connections were verified to be tight. Breaker was tested and proper operation was verified.

4

~O 7 8 9 80 FACILITY STATUS 'YD POWER OTHER STATUS Q METHOD OF DISCOVERY DISCOVERY DESCRIPTION Q32 pCi LJO 1 5 E 28 1 0 0 29 NA 44 L~IQ31 45 Surveillance test 80 ACTIVITY CONTENT RELEASED OF RELEASE AMOUNT OF ACTIVITYQ35 LOCATION OF RELEASE Q35

~Z Q33 Z Q34 NA NA 7 8 9 10 44 45 80 PERSONNEL EXPOSURES NUMBER TYPE DESCRIPTION Q39

~00 0 Om~ZORR NA 7 8 9 11 12 13 80 PERSONNEL INJURIES 7 8 9 11 12 80 LOSS OF OR DAMAGE TO FACILITY TYPE DESCRIPTION Q43

~I ~ ~ZQ4. NA 7 8 9 10 80 PUBLICITY 0

ISSUED

~NQ44 DESCRIPTION Q5 NA 7901 GOO ~3't ~

NRC USE ONLY 2

8 9 10 68 69 80 DR NAME OF PREPARER G. A. Paris 716/546 2700 ext 291 245

t r

'h, II