ML19327A246

LER 80-054/03L-0:on 800628,while Testing Control Rods, Position 30 for Rod 46-11 & Positions 12,13,16,17 & 19 for Rod 14-35 Did Not Indicate.Caused by Defective Reed Switch for Rod 46-11 & Loose Probe Connector on Rod 14-35

ML19327A246
Person / Time
Site:	Brunswick
Issue date:	07/22/1980
From:	Tollison A CAROLINA POWER & LIGHT CO.
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II)
Shared Package
ML19327A245	List: ML19327A244 ML19327A246
References
LER-80-054-03L, LER-80-54-3L, NUDOCS 8008050039
Download: ML19327A246 (1)

Text

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, LICENSEE EVENT REPORT

,m CONTROL SLOCK: l l l 1 1 I I (PLEASE PRINT OR TYPE ALL REQUIRED INFORMATIONI I 6 l o l i8 l9I N ILICEf4EE 7

C l 3 CODE l E l P l 1 l@l0 le 15 10 l - l uCENSE 0 l 0 NUMUEH l 0 l 0 l 0 l - l 0 Dl o l@l 26 4UCEME l1 l1TYPE !1l1l@lJo l

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- 1013 ! 2 i s63l@l69 01612 DOCK ET t.UYSE R la l a 10 l@l0 EVENT DATE 74 75 l 71212 REPORT DATE l a I n80l@

EV5f4T DESCRIPTION AND PROBABLE COMEOVENCES h lo 121 l While testine cenerni r,ds- nne s nn in enr vna 6 6.- 1 1 aia nn- o,a i e , r e, i 1 o 131 I In addition. nositions 12. 13. 16. 17 and 19 for rod 14-35 did nor indim te- l 10141 l This event did not: affect the health or safety of the nub!ic- I 10 151 l l 10161l l 10171 I I I O la 11 Technical Snecifica tions 3 1 3 7- 691 -Oh I 7 8 9' 00 SYSTEM CAUSE CAUSE CCVP. VALVE CODE CODE SUSCCOE CCYPCNENT CODE SUSCODE SUS; ODE loisl 7 8 11101@ Ir l@ I r l@ I T l s i s l T l a l u l@ I r l@ [2J @

9 10 11 12 12 18 19 20 SEQUENTI A L OCCURRENCE REPCR's REVISION gg og EVENT YE AR RE'ORTNO. COCE TYPE No.

O a(5gs I 81 01 l-l 10 I si al 1/l 10 l 3 I It I l-l o L0_1 e _ 23 22 2J 24 26 27 23 23 30 31 32 AK A CN ON PL NT TET wCURS SS IT FOR i b 8. SUPPLIE MAN FACTURER Laj@LsJ@

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44 47 CAUSE CESCRiPTION AND CORRECTIVE ACTIONS h li101l The rosition "30" reed switch for rod 46-11 was found defective. It was renlaced I  !

I1 11 I l and the r6d position indications were determined sa tisf actory. A loose PIP orobe I  ;

I 1i17i I connector on rod 14-3s was found, it was retightened. and the position indicatiens l I

i1 l 31 l for the rod were determined satisf actorv. Due to a history of control rod position I i i i 14 I l indication problems. Plant Engineering is currently investigating to determine if a l 7

a ,,9fenericy prob 1cm exists. , uETwoD er STATUS  % POWER OTHER STATUS DISCOVE RY DISCOVERY DESCRIPTION (

IBlhl li is l lH l@ l 010 l 0 lhl NA l Periodic Test l ACTIVITY C0 TENT RELEASE AMOUNT OF ACTIVITY LOCATION OF RELEASE l 1 I8 G l l Z l @D OF RELEASEW@l NA l l NA I I 9 10 ft 44 45 80 PE'tSONNEL EXPOSURES NUMSER TYPE DESCRIPTION NA l t l 7 ] ] 010 l 0 lhl 7. l@l l

' ' ' rERSONsd'm;u' dies '3

• NUVBE R DE SCRIPitON l t ls8l 9l 0 l 0 l 0 l@l12 11 NA ,j j 7 50 LOSS OF OR DAMAGE TO FACILtTY TYPE DE SCRIPTION FiTil8 I9Z- l@l NA I 7 10 80 PUBL ICITY DESCRIPTION NRC USE ONLY l IS  !

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7 9 1 68 69 S0* 5 F PREPARER

. . o W son, h. PHONE: 919-457-9521 2