05000361/LER-1982-131-03, /03L-0:on 821020,auxiliary Feedwater Pump 2P-141 Declared Inoperable.Caused by Dirt on Oil Filter Preventing Valve 2HV4731 from Stroking Fully Open.Oil Filter Replaced & Valve Tested Successfully

/03L-0:on 821020,auxiliary Feedwater Pump 2P-141 Declared Inoperable.Caused by Dirt on Oil Filter Preventing Valve 2HV4731 from Stroking Fully Open.Oil Filter Replaced & Valve Tested Successfully

ML20028B921
Person / Time
Site:	San Onofre
Issue date:	11/18/1982
From:	Ray H SOUTHERN CALIFORNIA EDISON CO.
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION V)
Shared Package
ML20028B918	List: 05000361/LER-1982-131, Forwards LER 82-131/03L-0.Detailed Event Analysis Submitted 05000361/LER-1982-131-03, /03L-0:on 821020,auxiliary Feedwater Pump 2P-141 Declared Inoperable.Caused by Dirt on Oil Filter Preventing Valve 2HV4731 from Stroking Fully Open.Oil Filter Replaced & Valve Tested Successfully
References
LER-82-131-03L, LER-82-131-3L, NUDOCS 8212070231
Download: ML20028B921 (1)

LER-1982-131, /03L-0:on 821020,auxiliary Feedwater Pump 2P-141 Declared Inoperable.Caused by Dirt on Oil Filter Preventing Valve 2HV4731 from Stroking Fully Open.Oil Filter Replaced & Valve Tested Successfully

Event date:
Report date:
3611982131R03 - NRC Website

text

NRC F ORM 363

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U.S. NUCLEAR REGULATORY COMMISSl!N LICENSEE EVENT REPORT CONTROL CLOCK: l l

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Ih (PLEASE FRINT OR TYPE ALL REQUIRED INFORAAATION) 6 ITTTI IC lA lS l0 [S l2 lgllb0 l 0 l -l 0 l 0 l 0 l 0 l 0 l - l 0 l 0 lgl 4 l 1 l 1 l 1 l 1 lg[

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8 9 LICENSEE CODE 14 LICENSE NUMBEH 25 26 LICENSE TYPE JO 97 CAT 68 CON'T 10111 3onMlLlgl0l5 l0 l0 l0 l3 l6 l1 l@ll 1012101812 l@ll 11 11 1818 12 l@

7 8

60 61 DOCKET NUM8ER 68 69 EVENT OATE 74 75 REPORT DATE 80 EVENT DESCRIPTION AND PROBABLE CONSEQUENCES h F6Til I While in Mode 3. the Auxiliary Foodwater Pumn 9p 1d1 me Anc1mrna innnarahin l

There was no consequence to the public health and safety since any one of the g

remainin'g two operable pumps would have performed the necessary decay heat removal function if called upon to do so.

l 0 l6 l l l

10171 1 I

10181 I I

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$ CODE COMPONENT CODE SUB ode S

E 10191 I H l H l@ y@ IX l@ U lA lL N E DC l@ y @ W @

7 8

9 10 11 12 13 18 19 20 SEOUENilAL

• OCCURRENCE REPORT REVISION LER EVENT Y AR REPORT NO.

CODE TYPE NO.'

@,ag/RO 1 81{21 l-l 1113l1l [d

I 01 3I LLJ

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_ 28 22 23 24 26 27 28 29 30 31 32 KN ACT ON PL T ME HOURS S8 iT FOR 8.

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33 34 35 36 31 40 41 42 43

' 44 47 CAUSE DESCRIPTION AND CORRECTIVE ACTIONS h L'J o_] ] The cause was dirt on the oil filter preventing the valve 2HV4731 from s'troking l

, i i fully open. The oil filter was replaced and the valve tested successfully.

i i Additional corrective action include.s instructions to change oil and filter l

l semi-annually and wheneve'r differential oil pressure is high.

, 3 l

LU.*J l 1*

7 8 9 ST S

% POWER OTHER STATUS 15 0 RY DISCOVERY DESCRIPTION ITTO [B jg l 0l 0l 0lgl NA I

[Jj@l Doerator Observation I

TIVITY CO TENT RELEASED OF RELEASE e

AMOY^NT OF ACTIVITY l I

LOCATION OF RELEASE li Is l Lzl @ LZ J@l I

nRSO~NEL Ex,OSSES l 0 l 0 l 0 l@gZ gloESCn,Pk,0N@

NUM8ER Yvn N

l 7 l

' nRSOwE'L,,oULS NUMBER

DESCRIPTION

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31 12 80 TYPE DESCR PT W @l NA i s l

8212070231 821118 ISSUE @lDESCRiFisoN@

s0 PDR ADOCK 05000361 NRC USE ONLY 6

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N AME Ogr PREPARER -

H. B. Ray 14/407_77no