05000255/LER-1980-020, Forwards LER 80-020/01T-0

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Forwards LER 80-020/01T-0
ML18045A417
Person / Time
Site: Palisades Entergy icon.png
Issue date: 07/29/1980
From: Hoffman D
CONSUMERS ENERGY CO. (FORMERLY CONSUMERS POWER CO.)
To: James Keppler
NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION III)
Shared Package
ML18045A420 List:
References
NUDOCS 8008050077
Download: ML18045A417 (2)


LER-1980-020, Forwards LER 80-020/01T-0
Event date:
Report date:
2551980020R00 - NRC Website

text

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

  • Area Code 517 788-0550 July 29, 1980 Mr James G Keppler Office of Inspection and Enforcement Region III U S Nuclear Regulatory Commission 799 Roosevelt Road Glen Ellyn, IL 60137 DOCKET 50-255 - LICENSE DPR PALISADES PLANT - LICENSEE EVENT REPORT 80-020 - MISALIGNED CONTROL ROD On the reverse side is Licensee Event Report 80-020 which is reportable under Technical Specification 6.9.2.B.2; however, 24 hour2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br /> notification was made under Technical Specification S-5.1.

David P Hoffman (Signed)

David P Hoffman Nuclear Licensing Administrator CC Director, Office of Nuclear Reactor Regulation Director, Office of Inspection and Enforcement NRC Resident Inspector - Palisades

_/

PALISADES PLANT NRC FORM366 17-771 U.S. NUCLEAR REGULA_TORV COMMISSION LICENSEE EVENT REPORT CONTROL BLOCK: I I(!)

(PLEASE PRINT OR TYPE All REQUlRED INFO~MATIONI 1

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LICENSEE CODE 1*

'15 LICENSE NUMBER 25 2111 LICENSE TYPE 3D 117 T ii CON'T [ill]

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GO 61 DOCKET NUMBER 68 69 EVENT DATE 7*

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REPORT DATE IO EVENT DESCRIPTION AND PROBABLE CONSEQUENCES (1o')

(TIIJ I Following control rod manipula"!&tons during normal power operation, f))!)' I CRDM No 39 drove in apProx 39 inches.

As a result, the rad was

[))TI I misaligned from the remaini;ng rods in its group for about 5 minutes

  • J

()))) 1 Immedia:te action consisted of halting rod inward 1n0tion, manual. exer~isinEJ CilD I o-r the CRDM "down" contractors, and pulling rod to its required position.

filIJ 1 Reportable per TS S-5.1 and 3.10. 4c. Similar event occurred on July 24, C!:ill 1 1980, but did not result in misaligned rod.

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SYSTEM COQf 1R l~I@

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\\!:.J REPORT I 8 I 0 I NUMBER 21 22

CAUSE

CAUSE COMP.

VALVE CODE SUBCODE COMPONENT CODE SUllCODE SUBCODE L!J@) l.!J@) le IR ID IR Iv IE I@) L]@) 1...ZJ@)

11 12' 13 18 111 20 SEQUENTIAL OCCURRENCE REPORT REPORT NO.

CODE TYPE I I lo I 2 I o I I/I I a I, I f!'...J Id 23 2*

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27 28 29

ID 31 REVISION NO.

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ID ACTION FUTURE EFFECT SHUTDOWN f.::\\

ATTACHMENT

. Nl'REM PRIME COMP.

COMPONENT TAKEN ACTION Olll PLANT METHOD HOURS ~ SUBMITTED FORM :>UB.

SUl'PLIER MANUFACTURER 121@1!.J@)

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  • 1 CAUSE DESCRIPTION AND CORREC'r!VE ACTIONS @

[II)) I CRDM control relay armatures and up/do'Wll contractor*interlock were dirty. J

((]JJ I causing them to stick.

Contactors and interlock :for CRDM 39 have been cleaned and lubricated.*. Cleaning and lubrication of remaining contactors DJ]JI L~~~~~~~~~~~~~~---=~~~~~~~~~~~--~~~~---~--

is in progress.

A PM to perform this function on a refueling cycle is CII!l being developed.

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STATUS

~POWER OTHER STATUS ~

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9 10 12 13 ACTIVITY QNTENT

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RELEASED OF RELEASE AMOUNT OF ACTIVITY ~

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I 1D 11 PERSONNEL EXPOSURES IC\\

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DISCOVERY DISCOVERY DESCl:U"ION ~

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llO LOCATION OF RELEASE @

NA llO NUMBER f.:::\\ TYPE f.::\\ OESCRIPT10N ~

ETIJ I 0 I 0 I Oll!.J~LI* _ _::N:.._A::.!._ ________

....;._ ___________ -=

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11 12 13 IO PERSONNEL INJURIES f,;':\\

NUMBER DESCRl"ION\\!!,I

[!TI] I d o Io I@ * -

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LOSS OC: OR DAMAGE TO FACILITY r.3' TYPE DESCRl"ION v::;:J Eli) l.!J@

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10 PUBLICITY t::'..

NRC USE ()NL Y IS!i,l,IEDf.?\\ DESCRl"ION ~

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