ML17317B063

LER 79-009/03L-0 on 790303:2W Svc Water Pump Amp Pegged Meter Stopped,Constituting Inoperable Pump.Caused by Burr Formed Between Impeller Ring & Bowl.Pump Shaft & Bowl Replaced

ML17317B063
Person / Time
Site:	Cook
Issue date:	04/02/1979
From:	Michael Brown INDIANA MICHIGAN POWER CO.
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION III)
Shared Package
ML17317B062	List: ML17317B060 ML17317B063
References
LER-79-009-03L-01, LER-79-9-3L-1, NUDOCS 7904090156
Download: ML17317B063 (3)

Text

NRC FORM 366 U. S. NUCLEAR REGULATORY COMMISSION (7.77)

LICENSEE EVENT REPOR

~ '

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

Q4~

I 6 I 0 0 0 0 0 4 2 2

~01 M 0 2 QE 0 0 0 0 0 LICENSE NUMBER 0

25 QR 26 2 1 LICENSE TYPE 30 57 CAT 58 QR 7 8 9 LICENSEE CODE 14 15 CON'T

~01 soURGE MO 0 5 0 0 0 3 1 6 Qj 0 3 0 3 / 9 Q 4 O Og 68 69 EVENT DATE 74 75 REPORT DATE 80 8 60 61 DOCKET NUMBER EVENT DESCRIPTION AND PROBABLE CONSEQUENCES Q10 2W ESSENTIAL SERVICE WATER,PUM P WAS STARTED AND MOTOR AMPS PEGGED METER. PUMP WAS STOPPED. THIS CONSTITUTED AN INOPERABLE ESW PUMP

~03 4 REQUIRED BY TECH. SPEC. 3.7.4.1. THE EAST ESW PUMP REMAINED OPERABLE DURING REPAIRS TO THE WEST ESW PUMP. THE PUBLIC HEALTH AND SAFETY

~06

~06 WERE NOT JEOPARDIZED. NO SIMILAR EVENTS.

~07

~OB 80 7 8 9 SYSTEM CAUSE CAUSE COMP VALVE

'[OOQ 7 8

~wA 9

CODE 10 0>>

CODE 11 012 ~

SUBCODE 12 012 SEQUENTIAL 13 P

COMPONENT CODE U M P x x 18 OCCURRENCE 014 SUBCODE

~BOER 19 REPORT SUBCODE

~z 20 074 REVISION Q17 LfRIRP REPoRT EVENT YEAR

~pe 21 22 U

23 24 REPORT NO.

~oo 0 26 L~J 27

~z 28 CODE 29 TYPE Ui 30 U

31 NO.

32 ACTION FUTURE EF FECT SHUTDOWN ATTACHMENT NPRDQ PRIME COMP. COMPONENT TAKEN ACTION 33 QER ~~Q19 34 ON PLANT

~022 35 METHOD

~Q2I 36 37 HOURS +22 40

~

SUBMITTED 41 Q22 FORM SUB.

~Q24 42 SUPPLIER

~022 43 44 MANUFACTURER 0 2 0 0 47 Q24 CAUSE DESCRIPTION AND CORRECTIVE ACTIONS Q27 0 IMPELLER CLEARANCES SET IN ACCORDANCE WITH JOHNSTON PUMP hQNUAL WERE TOO SMALL AND A BURR FORMED BETWEEN IMPELLER WEAR RING AND PUMP BOWLS BINDING THE PUMP ~ PUMP SHAFT AND BOWL WERE REPLACED. RETEST WAS SATISFACTORY 4

PROCEDURE REV I SED STAT I NG INCREASED IMPELLER CLEARANCES ~ OTHER PUMPS SET 3

WITH SMALL CLEARANCES WILL BE SET AT LARGER CLEARANCE AS RECOMMENDED BY

~0 4

80 7 8 9 FACILITY METHOD OF STATUS NI POWER OTHER STATUS Q30 DISCOVERY DISCOVERY DESCRIPTION Q32 EU LJO 7

6 8 9 E 26 10 0 8 8 12 2g 13 N/A 44

~AQ31 45 46 OPERATOR OBSERVAT ION 80 ACTIVITY CONTENT RELEASED OF RELEASE AMOUNT OF ACTIVITY N/A Q N/A LOCATION OF RELEASE Q 7 8 9 Z

Q LZ:IQ34 10 11 44 45 80 PERSONNEL EXPOSURES NUMBER TYPE DESCRIPTION Q3 80 NUMBER DESCRIPTIONQ41 g OIOWI7 90/S 2

8

~00 9

O Q42 11 12 N/A 80 7

LOSS OF OR DAMAGE TO FACILITY 43 TYPE DESCRIPTION z 042 N/A 8 9 10 80 7

O ISSUED LwJ PUBLICITY 044 DESCRIPTION ~ N/A NRC USE ONLY 68 69 804 ER 7 8 9 10 M. S. BROWN PHDNE (6 6) 465-590 1, EXT. 398 1

NAME OF PREPARER

4 f ~

I L

J

SUPPLEMENT TO LER 879-009/03L-0 SUPPLEMENT TO CAUSE DESCRIPTION AND CORRECTIVE ACTIONS:

JOHNSTON PUMP COMPANY AND COGNIZANT ENGINEER. ADJUSTMENTS ARE TO BE COMPLETED BY MAY 1, 1979.