ML20084U126

LER BFRO-50-296/768:on 760921,HPCI Shaft Oil Pump Would Not Maintain Pressure.Caused by Loose Union on Suction Side of Shaft Oil Pump.Loose Union Tightened

ML20084U126
Person / Time
Site:	Browns Ferry
Issue date:	10/07/1976
From:	Fox H TENNESSEE VALLEY AUTHORITY
To:	Moseley N NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II)
References
LER-BFRO-50-296-768, NUDOCS 8306270059
Download: ML20084U126 (2)

Text

O ticenses event negone i e ea 1 l COrMROL BLOCK:l l l l l l l (PLEASE FAINT ALL REQUIRED INFORMATION) j 1 6 AME LCENSE NUMSEH E TYPE E l Al Ll Bl Rl Fl 3l l0 l0 l-l 0l 0l 0l 0l nl-ln ln l lA!1 l1 l1 l1 l l0l3l t 7 09 14 15 25 26

• 30 31 32 CAT EGORv T7P SOu DOCKET NUMBER - EVENT DAT REPORT DATE O CONT l l l W59 [LJ l 0l5 l0 l-l0 l2 l9 l6 l l 0 l 9 l 2 l 1 li 7 l 6l l l l l  ! l l 7 0 57 58 60 61 68 69 74 75 80

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EVENT DESCRIPTION f

@ l During the performance of a routine su- veillance test. the HPCI shaft oil on=n would l 7 ae , 80

• O l not maintain nreasure. This enuned er?nete noeratinn nf the hWT nnd ennead the 1

7 41 3

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@ l aux!liary oil oumo to cycle on and off. (BFRO-50-296/768). i i

/e9  ; 80 HL 7 89 T

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hl 7 89 p,,yg j M E CcNE COMPONENT CODE A M VOLATON 8 I cl al LF_I la la f a lal al al LN_1 Ial919191  ! Litl 7 09 10 1 12 17 43 44 47 [ 48 CAUSE DESCP;PTION

(_Alooseuniononthesuctionsideoftheshaftoilun=n normf &ed the ~ ~

n.=a en en cle  !

7 89 j 80

,$ogl air and..therebv reduced tha oil n.reaanra-Th4= ennaad tha a nv414 ,' m m. n+1 -. . . . - -*a ,a Q l cycle on and off and also caused erratic Fovernor operation. l l I ACatti t METHOD OF STATUS  % POWER oTHER STATUS DISCOVEhY @SCOVEAY DESCAaPTON 1

l Bl l0l1l 0l l NA l b45 l Unsatisfadtory performance  !

7 0 44 46 4ACityst y 10 CONTENT 12 13 e 80 ITLE ASf D OF RELEASE AMOUNT OF ACTMTV . tiOCATON OF RELEASE 8

/0 9 O La_J to l

11 NA l 44 45 l l NA 80 l

PERSONNEL EXPOSURES NUMetA Tf"E DESCRIPTON I 8 l 01 01 01 La_J l NA 6 1 7 89 11 12 13 80 l'ERSGhNEL INJURIES NUMPE1 ' DESCRIPTON 8 LOI 0'O11I 12I 7 00 nA 1

.l 80 OFFSilE CONECOUENCES f Hl__ NA l l 7 UU , 80 L OSS 04 DAMAGE TO FACIUTY

'iN DESCf* TON NA l 7 C 'l to -

80 Puel '( 8306270059 761007 '

gl gDRADOCK05000 7 C3 80

.m3 DONAL iACTOAS

@ .l,The leaking union on the suction side of the HPCI shaf t oil pump was tightened and l 7 ti ti 80

@ l the SI W38 satiafac.tarily_n=rfar==A  !

7 04 4 80 NAME:- . _

PHONE:

. . . .  ! . cro ses.e sT

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, TENNESSEE VALLEY AUTHORITY CHATTANOOGA. TENNESSEE 374ot g() [

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• October 7, 1976 -

Mr. Norman C. Moseley, Director U.S. Nucicar Regulatory Commission Office of Inspection and Enforcenent

• Region II 230 Peachtree Street, NW., 8th Floor

( Atlanta, Georgia 30303

Dear Mr. Moseley:

, TENNESSEE V/ AUT110RITY - BROUNS FERRY NUCLEAR PLM(T UNIT 3 -

DOCKET NO. 0-296 FACILITY OPERATING LICENSE DPR REPORTABLE OCCURRENCE REPORT BFRO-50-296/768 The encloacd report is to provide details concerning the liPCI chaf t oil pu:sp that would not maintain pressure during the performance of a routine surveillance test. This report is submitted in accordance with Browns Ferry Technical Specifications Section 6. This event occurred on llrowns Ferry lluclear Plant unit 3.

Ver/ truly yourc, -

[

. ,;K TENNESSEE VALLEY AUT!!ORITY /'

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11. S. Fox

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Director of Power Production c.l..

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Enclosure (3) -

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CC (Enclonuro):

Director (3)

Offico of Management Information and Program Control U.S. Nuc1 car RcS21 story Commission Washington, D.C. 20555 1 Director (40) t Offico of Inspection and Enforcement U.S. Nuclear lleculatory Co.amission -

Washington, D.C. 20555 '

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M M RM0 10303 An i t;ual Oppot tunity I mployet .

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