05000260/LER-1981-034-03, /03L-0:on 810630,RHR Svc Water Pumps B2,D-1 & D-2 Were Not in Svc.Caused by Removing B2 from Svc to Change Motor Oil & Tagging Closed Crosstie Valve to Unit 1, FCV-1-74-100.Oil Changed

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/03L-0:on 810630,RHR Svc Water Pumps B2,D-1 & D-2 Were Not in Svc.Caused by Removing B2 from Svc to Change Motor Oil & Tagging Closed Crosstie Valve to Unit 1, FCV-1-74-100.Oil Changed
ML20009F668
Person / Time
Site: Browns Ferry Tennessee Valley Authority icon.png
Issue date: 07/22/1981
From: Holder G
TENNESSEE VALLEY AUTHORITY
To:
NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II)
Shared Package
ML20009F664 List:
References
LER-81-034-03L-01, LER-81-34-3L-1, NUDOCS 8107310394
Download: ML20009F668 (2)


LER-1981-034, /03L-0:on 810630,RHR Svc Water Pumps B2,D-1 & D-2 Were Not in Svc.Caused by Removing B2 from Svc to Change Motor Oil & Tagging Closed Crosstie Valve to Unit 1, FCV-1-74-100.Oil Changed
Event date:
Report date:
2601981034R03 - NRC Website

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. (7 m I LICENSEE EVENT REPORT e

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(PLEASE PRINT OR TYPE ALL REQUtRED INFORMATIONI lo lil l 31 T_I 31 o f el 21@l ol nl I ol ol ol 01 o l l 01 O l@l 4 I i l 11 il ll@l I

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14 15 LICENSE NUM6ER 2$

26 LaCENSE TYPE JO Si CAT 58 7

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LeCENSEE COCE lolil juRCE lL@l0151010]Ol2l610@l016!3l01Slll@l017 12 12 18 11 l@

, CCN'T 60 61 DOCKET NUMBER 68 69 EVENT OATE 74 75 REPCRT QATE 60

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EVENT OCSCRIPTION AND PROB ABLE CONSECUENCES h lo i2i ! During normal coeration. the RHRSW oumo 32 was removed from service to change oil l

10 j a j i in the motor. This left only one pump (31) aligned to unit 2 and to unit 3 for l

2 was reduced to one cump because the crosstie valve to Unit 1,l [oi4l l standbv coolant. Unit Pump l l o i s i 1 FCV 74-100 was tagged closed eliminating D-1 and D-2 RHRSW pumps from service.

10 IG 1 1 31 is cot cson to units 2 and 3 for,tandbv coolant. See T.S. 3.5.C.3.

There was no l

i o i 7 I l dancer to the health or safety of the oublic and no orevious aimilar events.

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CAUSE

CAUSE COMP.

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34 JS 25 37 40 41 42 43 44 47 33 CAUSE CESCRIPTION AND CCARECTIVE ACTICNS h I i ! o I L cresstie valve to unit 1. FCV l-74-100. was teased closed, eliminating D-1 and D-2 l

t1 it i l ouweg.,umes frem service.

C'.1 was c'1anned in the 32 eumo motor and the cumo I

ii i 2t I returned to service within one dav.

This is considered a randem event and no

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Gene Rolder PHONE:

NAME OF DPE 8ARE A

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Tennessec Valley Authority Form BF 17 g

P.rowns Ferry Nuclear-Plant BF 15.2 6/04/81 1.F.1: SUPPL.F. MENTAL. IN FORM ATIOn' hFRO 260 /

S1034 Trehnical Specification in co!ved 3.5.C.3.

Iceported Under Technica! Spe cifictition,,6.7.2.bM)

  • Date due NRC:

7/30/_81 i) ate of Occurrence 6/30/81 Time of Occurrence 0600 Unit 2

1(lentifica_ tion and,Im u'ipt:on of Occurrence. The RHRSW pump B2 was' removed from service to change the oil in the motor. This left only or.e pump aligned i

to unit 2 and to unit 3 for standby coolant. Unit. 2 was reduced to one p'urtp i

because the crosstie valve to unit 1,FCV 74-100, was tagged closed eliminating D-1 and D-2 RHREW pumps from service.

t Uvnditions Pricr to occurrence:

Unit 1 in refueling outage.

Unit 2 at 99%

! ! ) '!

.)

1 l

Unit 3 at 92%

i

)

Action specified in the Technical Specification SurveiUance Requirements met 1

qtte to inoperable equigmcnt.

Describe.

i Met surveillance requirements of T.S. 4.5.C.4.

i Apparent Cause of 0"currence:

Crosstie valve to unit 1, FCV 74-100 was tagged closed, eliminating D-1 and D-2 RHRSW pumps from service, while RHF.SV pump was removed from servic to change the oil in the motor.

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A t uiy:,ir. of, ( lec u rrem e-I There was no danger to the health or safety of the public, no release of i

activity, no damage to the plant or. equipment, and no resulting significant chain of events, i

i i

Cu.r.rechve Action :

Changed ti oil in the motor and returned the pump to service within one day.

This is et

.dered a random event and no further recurrence control is required.

i I9'ilup. Djyp,:

None j

Heren tign :

Per~ >d - I.ifetime; Responsibility - Document Control Supervisor

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