ML20085E574

LER ER-76-010:on 760421,charging Pump P55-A Failed to Perform Properly During Loss of Offsite Power/Sis Test. Caused by Plug Oil Filter.Filter Changed

ML20085E574
Person / Time
Site:	Palisades
Issue date:	05/20/1976
From:	Bixel D CONSUMERS ENERGY CO. (FORMERLY CONSUMERS POWER CO.)
To:	James Keppler NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION III)
References
LER-ER-76-010, LER-ER-76-10, NUDOCS 8308150368
Download: ML20085E574 (2)

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LICENSEE EVENT REPORT Palisades CONTROL BLOCX:l l l l l l l (PLEASE PRWT ALL RODURED NerORMATION) 1 8 NAM UCENSE NUMBER T PE O

7 89 IMlIlPlAlLl1l 14 l 0 l 0 l-l0 l 0 l 0l 0l 0l-l 0 l 0 l 15 25 l h l 1 l1l 1l1l l0 l 3l 28 30 31 32

"'"vPE T EEE DOCKET NUMBER EVENT OATE REPORT DATE O

7 6 CON'T l l l 57 58 C59 W80 l0l5l0l-l0l2l5l5l l088 l hl 81 89 2l1l 7l6 l l 740l 5l 2l0 l7l6l 75 80 EVENT DESCRIPTION gg l During testing (RO-8, Loss of Off-Site Power / SIS Test) the charging pump (P55-A) -l 7 89 80 3@ l failed to verform trocerly. Analysis of the test results disclosed that the tumu l 7 89 80 SE I started and ran for 10 seconds before shuttine down. The standby ou-o (PSS-B) l 7 89 80 EG l started following trip of P55-A and provided the necessary capacity. l 7 89 EI (ER-76-10) Sj 7 89 pm 80 C E COMPONENT CODE SUPR BI VOLAT 10N EE lalal Ld 7 89 10 11 l FIIl Ll TIE l Rl 12 17

[ld 43 l Ml 0l 7 l5 l 44 47

[y,j 48 CAUSE DESCRIPTION DE l The pump trip resulted from a plugged oil filter. This filter has been changed l 7 89 80 HE I and the nuno operates satisfactorily. This filter change requirement is on our l 7 89 80 DE I preventative maintenance schedule. However, this maintenance was delayed for l

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'[TNS  % POWER OTHER STATUS "E8vERY D 06COVERY DESCAPTON 7 8 W

9 l0l0l0l l 10 12 13 NA l 44 45 l

46 NA l 80 AELE ED 0 A AMOUNT 08 ACTMTY LOCATON OF RELEASE E

7 8

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Lzj El 10 NA l l NA l 11 44 45 80 ,

PERSONNEL EXPOSUAES NUMBER tvPE DESCRpTCN DE 1010101 I zj l NA l 7 89 11 12 13 80 PERSONNEL INJURIES NUMBER DESCRpTON DE l 0 l 0 l 0l l NA l

7 89 11 12 80 PROBABLE CONSEQUENCES

@E l None - Redundant equipment available. l 7 89 80 LOSS OR OAMAGE TO FACILITY I TYM DESCRpTON 1

@ [zj l NA l 7 89 10 80 PU8LICITY H l NA l

' ** 80 l ADOITIONAL FACTORS 18 l about four months due to the refueling outace. The necessity of adhering to PM l '

7 89 80 ,

j 19 l verk vill be reviewed with the maintenance supervisors. l  :

! 7 89 80 l

8308150368 760520 PDR S ADOCK 05000255 PDR 1

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May 20, 1976 h.: ~. .?

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Mr James G. Keppler Office of Inspection Enforcement Region III US Nuclear Regulatory Cor: mission 799 Roosevelt Road Glen Ellyn, IL 60137 DOCKET 50-255, LICENSE DPR PALISADES PLAff - ER-76 CHARGING PUMP P55'A Attached is a reportable occurrence which relates to the Palisades Plant.

This occurrence has been classified as a thirty-day reportable event.

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l David A. Bixel l Assistant Nuclear Licensing Administrator l

COPY SENT REGIONI 5436

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