ML18043A579

Forwards LER 79-011/03L-0

ML18043A579
Person / Time
Site:	Palisades
Issue date:	03/26/1979
From:	Hoffman D CONSUMERS ENERGY CO. (FORMERLY CONSUMERS POWER CO.)
To:	James Keppler NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION III)
Shared Package
ML18043A580	List: ML18043A579 ML18043A581
References
NUDOCS 7903290135
Download: ML18043A579 (4)

Text

consumers Power company General Offices: 212 West Michigan Avenue, Jackson, Michigan 49201

• Area Code 517.788-0550 March 26, 1979

.j Mr James G Keppler Office of Inspection and Enforcement Region III US Nuclear Regulatory Commission 799 Roosevelt Road Glen Ellyn, IL 60137 DOCKEr 50-255 - LICENSE DPR PALISADES PLANT - LICENSEE EVENT REPORT 79-0ll On the reverse side is Licensee Event Report 79-0ll which is reportable* under Technical Specification 6.9.2.b.(2).

David P Hoffman (Signed)

David P Hoffman Assistant Nuclear Licensing Administrator CC: Director, Office of Nuclear Reactor Regulation Director, Office of Inspection and Enforcement 1903290 /35

NRC FORM386

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.c-t***""., LIC§NSEE EVENT REPORT ..*.*;!/'-~:**"', . . ~.?~

CONTROL. BL.OCK:,,,. j,/'"1 1

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1h (PLEASE PRINT 0~ ,!J'E'ALb REQUIRED INFORMATIONI _,"

!ill I M T I Pl/~ LI 1 101 I )I I I I a$*f@t 4 11 11 11 11 101 I 115\

7 8 9 uc;_ENSEE CODE 14 ~5 ff' L.ICENSE NUMBER '.;{;~~ 25 26 L.ICENSE TYPE JO 57 CAT 58 '...:.;

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,' . 60 61 .~KET NUMBER 68 69 ~'?::* EVENT OAT! 74 75 REPORT DATE 80

EVENT DESCRIPTION ANO PRO~LE CONSEQUENCES@ ~"fh*

~ I During normal pJant operation, 'the!<itP'i-ima.ry data logger became inoperable,

~ such that no_.iil1fucore ala.riilS coul~1K~t be printed out. ,J;':ci~er reduction ....:fJ'*

01411 was commenr~d as required by:..11$ 3.11.e *

.!f~t ~~-**

[]]]) The crnnimter was restqred is an onerable within one hour of

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commehcing the power red¢ction. No t~"e"at to public health or safety I

so ao I

80 8p 80 BO 80 790329 0 13 &'

General Offices: :212 West Michigan Avenue, Jackson, Michigan 49:201

• Area Code 517 788-0550 March 26, 1979 Mr James G Keppler Office of Inspection and Enforcement Region III US Nuclear Re~~latory Commission 799 Roosevelt Road Glen Ellyn, IL 60137 DOCKET 50-255 - LICENSE DPR PALISADES PLANT - LICENSEE EVENT REPORT 79-011 On the reverse side is Licensee Event Report 79-011 which is reportable under Technical Specification 6.9.2.0.(2).

David P Hoffman Assistant Nuclear Licensing Administrator CC: Director, Office of Nuclear Reactor Regulation Director, Office of Inspection and Enforcement

• ~ -

Pali sad.es NRC FORM 366 (7-77)

LICENSEE EVENT REPORT U.S. NUCLEAR REGULATORY COMMISSION CONTROL BLOCK: ~'~.i-.-'-~-'---'-~.1..-....JIC!) (PLEASE PRINT OR TYPE ALL REQUIRED INFORMATIONJ 1 6

[IT2J I M I I Pl !J LI 1 l(~lt';--'___.___.___....,I="-,,.,.._....._,_._,___.__.J-........1101 4 11 11 11 11 101 I 10 7 B 9 LICENSEE CODE 14 ,5 LICENSE NUMBER 25 26 LICENSE TYPE 30 57 CAT SB~

CON'T

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~:~~~ lJ:J©I o I 5 Io I b I o I 2 I 5 I 51<2)!0 I 2 I 2 17 I 7 19 60 61' DOCKET NUMBER 68 69 EVENT DATE 74 I© I o I 3 ! 2 I 6 I 7 I 9 10 75 REPORT DATE 80 EVENT DESCRIPTION AND PROBABLE CONSEQUENCES {iO)

[]JI] I During normal pla~t operation,"the primary data logger became inoperable, such that no incore alarms could not be printed out. Power reduction IIIIl cmJ was commenced as required by TS 3.11.e~

[ill] The con;p11ter was restored to an operable status within one hour of

[ill] commencing the power reduction. No threat to public health or safety existed.

ITTIJ

[]]]] ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~_J 7 8 9 80 SYSTEM CAUSE CAUSE COMP. VALVE CODE CODE SUBCODE COMPONENT CODE SUB CODE SUB CODE

[ill] I IIF I@ IE I@ ~@) I!lif I s1T I RIU I@ L..1.J@ LIJ@

7 8 9 - 10 11 12 13 18 19 20 SEQUENTIAL OCCUR REN CE REPORT REVISION*

(.'.;\ LEA/RO CV ENT YEAR OEP01T NOl CODE TYPE

\;..:,/ REPORT NUMBER I 7 I 91 21 22 l=.J 23 I

24 I I I 26 k'I 27

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• 13 29I 28 LlJ 30 l=J 31 L£j 32 ACTION FUTURE EFFECT SHUTDOWN ~ ATTACHMENT NPRD-4 PRIME COMP COMPCNENT TAKEN ACTION ON PLANT METHOD HOURS ~ SUBMITTED FORM SUB. SUPPLIER *  !-JANUaAC'.PJRE W@LzJ 33 34 W@

35 L..&J 36 I oI 37~

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42 IN 43 I~

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CAUSE DESCRIPTION ANO CORREC"rtVE ACTIONS 27 I The condition was caused by multiplexer failure at the computer input/

output; specifically, multiplexer r.elays had failed. The relays were replaced, and the computer was restored to service. No further action ITTIJ

[ill] is contemplated at this time.

[J]]] '--~~~~~~~~~..;_..~~~~~~~~~~~~~~~~~~~~~~~~

1 a s 80 FACILITY ~ METHOD OF STATUS %POWER OTHERSTATUS ~ DISCOVERY DISCOVERY D~SS:RIPTION @

IIfil 1.EJ@ I i Io I o I@._!_N"'-/A_ _ _ _ ~ Al~l~:--0~p~e_r_a_t_o_r 5 46

.....J __o_b_s_e_r_v_a_t_i_o_n_____~~

cd~TENT 7 12 13 44 80

• g AgTIVITY RELEASED OF RELEASE AMOUNT OF ACTIVITY@* LOCATION OF RELEASE @

~LU@ Ll.J@I N/A I N/A PERSONN~OL EXPOS~~ES 7 44 45 80 B g NUMBER (.;:;\TYPE DESCRIPT)9N@

~1010101~~-~-J;_.A _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _~

' 8 9 11 12 13 80 PERSONNEL INJURIES Q -------- -------

NUMBER DESGB.l~TION6_.,.._

~8 9jOIO 10 11l@).__~_1_A~-~*~*-----_::_:;__

12

_ _ _~---------_J 80 LOSS OF OR DAMAGE TO FACILITY t4:j\

TYPE DESCRIPTION ~

~ l 71 @)1~0""""'""""-------------------------~*____Jso PUBLICITY G\

ISSUEDC,:;\ DESCRIPTION~ NRC USE ONLY miilll.J~

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