ML20028B921

LER 82-131/03L-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

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: ML20028B917 ML20028B921
References
LER-82-131-03L, LER-82-131-3L, NUDOCS 8212070231
Download: ML20028B921 (1)

Text

NRC F ORM 363

(? 77) U.S. NUCLEAR REGULATORY COMMISSl!N LICENSEE EVENT REPORT ,

CONTROL CLOCK: l l \ \ l l Ih 6 (PLEASE FRINT OR TYPE ALL REQUIRED INFORAAATION)

ITTTI 1 8 9IC lA lS l0 [S l2 lgllb0 l 0 l -l 0 l LICENSE LICENSEE CODE 14 0 l 0 NUMBEH l 0 l 0 l - l 0 l 025 lgl264 l 1 l 1 l 1 l 1 lg[ l lg 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

^

$d[E CO $ CODE COMPONENT CODE SUB ode S E 10191 7 8

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

9 10 11 12 13 18 19 20

_ SEOUENilAL

• OCCURRENCE REPORT REVISION LER EVENT Y AR REPORT NO. CODE TYPE NO.'

@ ,ag/RO g 1 81{21 l-l 1113l1l [d I 01 3I LLJ [-j [0_j

_ 28 22 23 24 26 27 28 29 30 31 32

' KN ACT ON PL T ME HOURS S8 iT FOR

~

8. SUPPL MAN FA

[fLj@lzj@ l zl@ l36z l@ l0101010I RER 33 34 35 31 40 LtLJ@

41 La_J@

42 LAl@

43 lxlalolal@

' 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

, 3 l semi-annually and wheneve'r differential oil pressure is high. l LU.*J 7

l 1*

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 e

RELEASED OF RELEASE LOCATION OF RELEASE li Is 'l Lzl @ LZ AMOY^NT

' OF ACTIVITY "-

' J@l l I I nRSO~NEL Ex,OSSES - "

NUM8ER Yvn l 7 l 0 l 0 l 0 l@gZ gloESCn,Pk,0N@ N l

' nRSOwE'L' ,,oULS NUMBER DESCRIPTION i a A 7 -8 1010101@l12 9 31 I 80 TYPE DESCR PT i s W @l

NA .

l 8212070231 821118 s0 PDR ADOCK 05000361 NRC USE ONLY 2 0 ISSUE @lDESCRiFisoN@ NA 6 l

lllllllllllll{

N AME Ogr PREPARER - H. B. Ray .

14/407_77no