05000255/LER-1979-014, Forwards LER 79-014/03L-0

Forwards LER 79-014/03L-0

ML18043A619
Person / Time
Site:	Palisades
Issue date:	04/12/1979
From:	Hoffman D CONSUMERS ENERGY CO. (FORMERLY CONSUMERS POWER CO.)
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION III)
Shared Package
ML18043A620	List: 05000255/LER-1979-014, Forwards LER 79-014/03L-0 05000255/LER-1979-014-03, /03L-0 on 790315:during Normal Plant Operation, Primary Computer Stopped,Due to Computer Program Failure. Computer Reprogrammed & Restored to Operability
References
NUDOCS 7904180277
Download: ML18043A619 (2)

LER-1979-014, Forwards LER 79-014/03L-0

Event date:
Report date:
2551979014R00 - NRC Website

text

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

• Area Code 517 788-0550 April 12, 1979 Mr James G Keppler Office of Inspection and Enforcement Region III U S Nuclear Regulatory Commission 799 Roosevelt Road Glen Ellyn, IL 60137

OOCKET 50-255 -

LICEUSE DPR P.ALISADES PLANT - LICElJSEE EVENT REPORT 79-014 On the reverse side is LER 79-014 which is reportable under Technical Specifi-cation 6.9.2.b.2.

David P Hoffman (Signed)

David P Ho ffm.an Assistant nuclear Licensing Administrator CC:

Director, Office of Nuclear Reactor Regulation Director, Office of Inspection and Enforcement

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1 Palisades j

NRCFORM366 17-771 U.S. NUCLEAR REGULATORY COMMISSION LICENSEE EVENT REPORT CONTROL BLOCK: I I (!)

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(PLEASE PRINT OR TYPE ALL REQUIRED INFORMATION) filI] I Ml* I I PI A I L I l l@I o Io I o Io I o 10 I o I o I 7

8 9

LICENSEE. CODE 14

,5 LICENSE NUMBER 01010- l@l 411 11I111101 I I@

~5 26 LICENSE TYPE 30 57 CAT 58 CON'T

. rTIIJ 7

8

~~:~~L1.J©I015IO IOIOl 2!515KZ)IOl 3!1!517191@1014111 97191@

60 61 DOCKET NUMBER 68 69 EVENT DATE 74 75 REPORT DATE 80 EVENT DESCRIPTION AND PROBABLE CONSEQUENCES @

[))!] I DJJring normal plant operation, the primary computer stopped.

The rn:0 I computer was returned to an operable status within two hours.

This L condition represents a degraded mode permitted by TS 3.lle.

No threat u::m -

[]:I))

[ill]

IIIIl [ill]

to public health or safety existed.

Event simil8:I" to LER 79-007.

7 s 9 II.I!l 7

8 SYSTEM

CAUSE

CAUSE COMP.

VALVE CODE CODE SUBCODE COMPONENT COOE SU8CODE SUBCODE Ir IFI@ 1.!J@ l!.J@) I IINISf TfRIU !@ L!J@ ~@

9 10

11.

12 13 lB 19 20 C\\. LER/RO ceVENTYEAR

\\!:/ REPORT I 7 19 I NUM!IER 21 22 SEQUENTIAL OCCURRENCE REl'ORT REVISION*

REPORT ~O.

CODE TYPE

• NO.

l=1 I 01114 I 1......-1 10!3 I 11..J 1=J L9 23 24 2B 27 28 29 30 31 32 80 TAKEN ACTION ON PLANT METHOD HOURS 22 SUBMITTED FORM SUB.

SUPPLIER MANUFA~RE!i ACTION FUTURE EFFECT SHUTDOWN

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ATTACHMENT NPRtM PRIME COMP.

COMllONENT W@l.z.J@ W W Io 10 Io I I l.!!J@ LI l!J@ 1v p 1° I) I@)

33 34 35 36 37 40 41 42 43 44 47 CAUSE DESCRIPTION ANO CORREC-rlVE ACTIONS @

[II)) I Tbis occurrence has been attributed to a failure of the computer

((((J program.

The computer was reprogrammed to restore operability.

III))

[I[I].__ ____________________________________ ~--------------------------------~,_,j OE 7

s 9 FACILITY IJ(j\\.

STATUS "POWER OTHERSTATUS "-:::I [ill] LEJ I 1 I ol o l@I NA I

7 8

9 10 I

12 13 44 ACTIVITY CONTENT IC\\

RELEASED OF RELEASE AMOUNT OF ACTIVITY ~

ITlIJ LzJ (§ l.ZJ(§... 1 _..N-..A...__ _____

7 8

9 10 11 44 METHODOF

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DISCOVERY DISCOVERY DESCRIPTION '5

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NA_--------------l

45.

46 80 NA LOC.\\TION OF RELEASE so so PERSONNEL EXPOSURES

~

NUMBEP.

~

TY,e DESCRIPTION~

lIIIl I 01 0 I Ol~L!.l~_N_A _____________________

---1 7

8 9

11 12 13 PERSONNEL INJURIES

~

so NUMBER DESCRll'TION~

EE I g 010 l@~N_A ________________________

....J 7

8 9

11 12 80 LOSS OF OR DAMAGE TO FACILITY G TYPE DE~'RIPTION

-..::;;,i IJ]}] L..3@)~~A----------------------------1 7

8 9

10 80 PUBLICITY C\\

zssueor.::;\\ DESCRIPTION~

NRC USE ONI. y III§] Lzf-ei I

I I I I I I I I I I I I I 1

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