05000244/LER-1981-002-03, /03L-0:on 810109,safety Injection Pump C Did Not Start W/Bus Breaker 16.Probable Cause Due to Breaker in off-set Position.Personnel to Be Instructed in Proper Breaker Alignment

/03L-0:on 810109,safety Injection Pump C Did Not Start W/Bus Breaker 16.Probable Cause Due to Breaker in off-set Position.Personnel to Be Instructed in Proper Breaker Alignment

ML17309A124
Person / Time
Site:	Ginna
Issue date:	01/30/1981
From:	Beluke S ROCHESTER GAS & ELECTRIC CORP.
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I)
Shared Package
ML17258A757	List: 05000244/LER-1981-002, Forwards LER 81-002/03L-0 05000244/LER-1981-002-03, /03L-0:on 810109,safety Injection Pump C Did Not Start W/Bus Breaker 16.Probable Cause Due to Breaker in off-set Position.Personnel to Be Instructed in Proper Breaker Alignment
References
LER-81-002-03L, LER-81-2-3L, NUDOCS 8102050598
Download: ML17309A124 (2)

LER-1981-002, /03L-0:on 810109,safety Injection Pump C Did Not Start W/Bus Breaker 16.Probable Cause Due to Breaker in off-set Position.Personnel to Be Instructed in Proper Breaker Alignment

Event date:
Report date:
2441981002R03 - NRC Website

text

NRC FOQM 366 I7.77) 2

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1 OB 74 75 REPORT DATE 80

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60 61 DOCKET NUMBER 68 69 EVENT DATE EVENT DESCRIPTION AND PROBABLE CONSEQUENCES Q10 During test C SL p'pdid not start with bus 16 breaker.

(T.S. 3. 3. l. 1c).

The C pump 7

8 U. S. NUCLEAR REGULATORY COMMISSION 8 1-002/03 L-0 QL[CENSEE EVENT REPORT

(( BR 1228)

CONTROL BLOCK:

Q1 (PLEASE PRINT OR TYPE ALLREQUIRED INFORMATION)

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1 Q2 0

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Q3 4

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LICENSEE CODE 14 15 LICENSE NUMBER 25 26 LICENSE TYPE 30 57 CAT 58 had been proven operable using bus 14 breaker during this test as well as the other 2 4

pumps

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After examining breaker for position breaker was fully racked out, then fully racked in, and operation proved successful.

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8 SYSTEM

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CAUSE

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VALVE CODE CODE SUBCODE COMPONENTCODE SUBCODE SUBCODE

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

CODE TYPE NO.

Q12 RRRRRR ~81 Q

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

COMPONENT TAKEN ACTION ON PLANT METHOD HOURS O22 SUBMITTED FORM SUB.

SUPPLIER MANUFACTURER

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~O24 ~ 026 33 34 35 36 37 40 41 42 43 44 47 CAUSE DESCRIPTION AND CORRECTIVE ACTIONS 027 o

Breaker possibly in "off-set" position indicated by positioning device pin not moving freely in positioning stop bracket fully-racked-in slot ~

At next test electricians to examine breaker before closing and after opening.

Training in proper breaker align-I ~12 3

ment and reporting rack-in problems will be emphasized.

Breaker is Westinghouse 4

DB-50 air circuit breaker, 500 amp.

80 DISCOVERY DESCRIPTION Q32 Surveillance test 80 LOCATIONOF RELEASE Q NA 80 80 80 80 NRC USE ONLY 68 69 80 o

PHDNE 315/524-4446, ext. 318 NAME oF PREPARER Stuart R. Beluke 7

8 9

FACILITY

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- METHOD OF STATUS

% POWER OTHERSTATUS ~

DISCOVERY

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Q28 ~0Q28 N8

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10 12 13 44 45 46 ACTIVITY CONTENT RELEASED OF RELEASE AMOUNTOF ACTIVITYQ 6

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10 44 45 PERSONNEL EXPOSURES NUMBER

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TYPE DESCRIPTION O39 1 ~00 0Q32 ZQ38 N8 7

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11 12 13 PERSONNEL INJURIES 7

8 9

11 12 LOSS OF-OR DAMAGETO FACILITYQ43 4

TYPE

DESCRIPTION

9

~Z 042 NA 8

9 10 PUBLICITY ISSUED DESCRIPTION ~B ego so5 o ~'4 NA 7

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