05000311/LER-1981-010-03, /03L-0:on 810426,during Mode 3 Operations,Svc Water Pump 23 Declared Inoperable Due to Packing Leaks. Caused by Worn Main Shaft Packing.Packing Replaced

From kanterella
(Redirected from ML18086A594)
Jump to navigation Jump to search
/03L-0:on 810426,during Mode 3 Operations,Svc Water Pump 23 Declared Inoperable Due to Packing Leaks. Caused by Worn Main Shaft Packing.Packing Replaced
ML18086A594
Person / Time
Site: Salem 
Issue date: 05/22/1981
From: Espey J
Public Service Enterprise Group
To:
NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I)
Shared Package
ML18086A590 List:
References
LER-81-010-03L, LER-81-10-3L, NUDOCS 8106020558
Download: ML18086A594 (2)


LER-1981-010, /03L-0:on 810426,during Mode 3 Operations,Svc Water Pump 23 Declared Inoperable Due to Packing Leaks. Caused by Worn Main Shaft Packing.Packing Replaced
Event date:
Report date:
3111981010R03 - NRC Website

text

Report Number:

Report Date:

Occurrence Date:

e 81-10/03L May 22, 1981 4/26/81 Facility:

Salem Generating Station, Unit 2 Public Service Electric & Gas Company Hancocks Bridge, New Jersey 08038 IDENTIFICATION OF OCCURRENCE:

Loss of Service Water Loop (21)

CONDITIONS PRIOR TO OCCURRENCE:

Mode 3 -

Rx Power 0% - Unit Load 0 MW DESCRIPTION OF OCCURRENCE:

At 1600 hours0.0185 days <br />0.444 hours <br />0.00265 weeks <br />6.088e-4 months <br /> on April 26, 1981, Service Water Pump No. 23 was declared inoperable due to packing leaks.

Since the No. 22 Service Water Pump was already inoperable for maintenance, only one Service Water Loop was operable.

Action Statement 3.7.4.1 was entered at this time.

This occurrence constituted operation in a degraded mode in accordance with Technical Specification 6.9.1.9.b.

DESIGNATION OF APPARENT CAUSE OF OCCURRENCE:

Equipment Failure -

The pump's main shaft packing was found to be worn.

ANALYSIS OF OCCURRENCE:

Technical Specification 3.7.4.1 requires that with only one Service Water Loop operable, restore at least two loops to operable status within 72 hours8.333333e-4 days <br />0.02 hours <br />1.190476e-4 weeks <br />2.7396e-5 months <br /> or be in at least hot standby within the next six hours and in cold shutdown within the.following 30 hours3.472222e-4 days <br />0.00833 hours <br />4.960317e-5 weeks <br />1.1415e-5 months <br />.

CORRECTIVE ACTION

The.packing was replaced and the pump tested satisfactorily.

The Action Statement was terminated at 2022 hours0.0234 days <br />0.562 hours <br />0.00334 weeks <br />7.69371e-4 months <br /> on April 26, 1981.

FAILURE DATA:

Layne-Bowler, Inc.

Pump SN #D26081 I

Prepared By J. J. Espey SORC Meeting No.

81-34 Manager - Silem"Geneating Station

    • 0 NRC.f..PRM 366 17:'77i LICENSEE EVENT REPORT S. NUCLEAR REGULATORY COMMISSION CONTROL BLi.ICK: I I -*LI G)

(PLEASE PRINT OR TYPE ALL REQUIRED INFORMATION) 1 6

ITI2] IN*IJ Is IG Is 12 IG)~oi -I ol ol ol ol ol -I ol o-IG)I 4l ll ll 1l 1l©I I IG) 7 8

9 LICENSEE: CODE 14 15 LICENSE N.JMBER 25 26 LICENSE TYPE JO 57 CAT 58 CON'T [IE]

7 8

~~~~~~ LJJ©I ol sl ol ol ol 31111101 °141 2

1 6

1 8 1~1°1 5

1 2

1 2

1 8

1 11© 60 61 DOCKET NUMBER 68 69 EVENT DATE 74 75 REPORT DATE 80 EVENT DESCRIPTION AND PROBABLE CONSEQUENCES@)

I At 1600 hours0.0185 days <br />0.444 hours <br />0.00265 weeks <br />6.088e-4 months <br /> on April 26, 1981, Service Water Pump No. 23 was declared

!Ill I inoperable due to packing leaks.

Since the No. 22 Service Water Pump was [ill]

already inoperable for maintenance, only one service Water loop was operable.

[]JI]

Action Statement 3.7.4.1 was entered at this time.

((TI]

[IT?]

[ill]

7 8 9 [ill]

7 8

SYSTEM CODE lw IA I@

9 10 t:::\\, LEA/RO CVENTYEll.R

~

REPORT I 8 I 1 I NUMBER 21 22

CAUSE

CAUSE CODE SUBCODE COMPONENT CODE L!J@) L!.J@) IPIUIMIPIXIXI@

11 12 13 18 SEQUENTIAL OCCURRENCE REPORT NO.

CODE I I I o I l I o I I/I P 13 I 23 24 26 27 28 29 COMP.

SUB CODE

~

19 REPORT TYPE L.::J 30 VALVE SU8CODE

~@

20 l.=1 31 ACTION FUTURE EFFECT SHUTDOWN

~

ATTACHMENT NPRD-4 FORM SUB.

PRIME COMP.

SUPPLIER REVISION NO.

~

32 COMPONENT MANUFACTURER 80 TAKEN ACTION ON PLANT METHOD HOURS ~ SUBMITTED l.8J@l.LI@ UI@

~ I 01 01 01 01 L!J@

33 34 35 36 37 40 41 I LI o I 91 sl L.!J@)

~@

CAUSE DESCRIPTION AND CORRECTIVE ACTIONS @

42 43 44 47 DJ:)) I The pump's main shaft packing was found to be worn.

The packing was replaced and the pump tested satisfactory.

The Action Statement was terminated at 2022 hours0.0234 days <br />0.562 hours <br />0.00334 weeks <br />7.69371e-4 months <br />.

ITlI]

7 8

9 FACILITY

'3Q\\

STATUS

'l6 POWER OTHER STATUS ':::::J rr:m W@ I 0 I 0 I 0 l@.... I ___

N_A _

____.I 80 METHOD OF A

DISCOVERY DISCOVERY DESCRIPTION

~{§)~l __

o_p_e_r_a_t_o_r_o_b_s_e_r_v_a_t_i_o_n _______________ __.

8 9

10 12 1'3 44 ACTIVITY CONTENT

~

RELEASED OF RELEASE AMOUNT OF ACTIVITY

~

W@) UJ(§..... 1....... N-......A~-----.....

7 8

9 10 11 7

45 46 80 LOCATION OF RELEASE @

NA 44 45 80 PERSONNEL EXPOSURES t::;:.,

NUMBER r:;:;.., TYPE DESCRIPTION ~

IJJ2J I cl ol m~l.j@)~_N=A~------------------------i 7

B 9

11 12 13 80 PERSONNEL INJURIES f,;:;\\

NUMBER DESCRIPTION6 [ilil I d ol ol@~~N=A~---------------------------'

7 8

9 11 12 80 LOSS OF OR DAMAGE TO FACILITY '4J' TYPE

DESCRIPTION

~

ITlIJ Lzj@)!-:--=NA=-~~~~~~~~~~~~~~~~~~~~~~~~~~~--'

7 8

9 10 so PUBLICITY Q\\

ISSUED~ DESCRIPTION~

NRC USE ONL y l2TIJ W6~__.....A..._. __

__:._ _______________ ---' I I I I I I I I I I I I I!

8 9

10 68 69 80 ;;;

_J; J.*. E:')oey.

NAME OF PREPARER-------------

PHONE:_6_0_9_-_9_3_5_-_0_9_9_B______ ~