05000306/LER-1980-017-03, /03L-0:on 800615,during Normal Operation,Found One Charging Pump Out of Svc.Charge Pump 23 Started & Shut Down.Caused by Air Leaks on Speed Control Unit Due to Broken Packing Ring.Packing Ring Replaced

/03L-0:on 800615,during Normal Operation,Found One Charging Pump Out of Svc.Charge Pump 23 Started & Shut Down.Caused by Air Leaks on Speed Control Unit Due to Broken Packing Ring.Packing Ring Replaced

ML19320D449
Person / Time
Site:	Prairie Island
Issue date:	07/14/1980
From:	Hunstad A NORTHERN STATES POWER CO.
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION III)
Shared Package
ML19320D448	List: 05000306/LER-1980-017, Forwards LER 80-017/03L-0 05000306/LER-1980-017-03, /03L-0:on 800615,during Normal Operation,Found One Charging Pump Out of Svc.Charge Pump 23 Started & Shut Down.Caused by Air Leaks on Speed Control Unit Due to Broken Packing Ring.Packing Ring Replaced
References
LER-80-017-03L, LER-80-17-3L, NUDOCS 8007210380
Download: ML19320D449 (1)

LER-1980-017, /03L-0:on 800615,during Normal Operation,Found One Charging Pump Out of Svc.Charge Pump 23 Started & Shut Down.Caused by Air Leaks on Speed Control Unit Due to Broken Packing Ring.Packing Ring Replaced

Event date:
Report date:
3061980017R03 - NRC Website

text

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(7 771 LICENSEE EVENT REPORT (m)

CONTROL 8 LOCK: l l

l l

l l

lh (PLEASE PRINT CQ TYPE ALL REXUIRED INFCRMATl!N) 1 6

Q l M ! N l P l I l N l 2 l@150 l0 l-l 0 l0 l 0 l 0 l 0l -l0 l o l@l4 l1 l1 l1 l 1 l@l l

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8 9 LICENSEE CODE 14 LICENSE NUMSER 25 26 LICENSE TYPE JO 67 CAT 68 CON'T

%Us it l@l015101010131016@lo 16 li is la lo @lo 1711 i Ala In l@

o i 7

8 80 81 DOCKET NUM8ER 88 69 EVENT DATE 74 75 REPORT DATE 80 EVENT DESCRIPTION AND PROS A8LE CONSEQUENCES During normal operation, with one c arging pump out of service, No. 23 charging l

9 2 ;

pump was started and soon shutdown and declared inoperable because of air leaks 3 g on the speed control unit. Third charging pump was operable. Tech Spec 3.2.B.1 9, g applies. Not repetitive. No effect on public health and safety.

In the safety 9, g analysis no credit is taken for charging pumps.

g 9, g ITTil l I

O 8 l 1

80 7

8 9 CO E SUSC E COMPONENT CODE SUB $E SU E

Q l P l C l@ y@ yh lM l 0l Tl Ol Rl Xlh W@ W h 7

8 9

10 11 12 13 18 9

20 SEQUENTIAL OCCURRENCE REPORT REVISION L

EVENT YEAR REPORT NO.

CODE TYPE NO.

h a'ER/ROl218l0l 8

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22 23 24 26 27 28 29 30 31 32 K

A ONP NT M

HOURS 22 58 IT FOR 8.

SUPPL MANUF CTURER g g

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g g g g W g lUl1l5l0lg 34 36 37 40 41 42 43 44 47 33 CAUSE DESCRIPTION AND CORRECTIVE ACTIONS h yl Broken packing ring in US Electrical Motors Pneumatic Varitrol. Packing ring was l

i i l replaced and second charging pump was made operable in less than 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br />.

I 1 7 1 1

El 1 4 l

l 80 7

8 9 STA S

% POWER THER STATUS IS Y

DISCOVEHY DESCRIPTION y @ @ [tl0l0lgl NfA

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] gl Operator observation l

ACTIVITY CO TENT AMOUNT OF ACTIVITY LOCATION OF RELEASE RELEASE @D OF RELEASE [_Z_J@l NA l

l NA l

i 6 7

8 9 10 11 44 45 80 PERSONNEL EXPOSURES NUM3E81 TYPE

DESCRIPTION

l 0 l 0 l 0 l@y@l NA l

i 7 PERSONNE L INJU IES NUMBER

DESCRIPTION

NA l

[0l0l0l@l i i4 8 9 11 12 80 LOSS OF OR DAMAGE TO FAC?LITY TYPE DESCHIPTION Q y@l NA l

7 8 9 10 80 RIPTION NA l, lllllllllllllg; 1 SUE @lCE 2 0 7

8 9 10 68 69 80 g NAME OF PREPARER s007210380