ML19256F097

LER 79-083/03L-0:on 791024,reading on Torus Level Instrument 1-CAC-LT-3342 Was Six Inches Low.Caused by Inaccurate Calibr Resulting from Debris in Sight Glass.Calibr Instruction Revised to Include Cleaning of Sight Glass

ML19256F097
Person / Time
Site:	Brunswick
Issue date:	11/14/1979
From:	Tollison A CAROLINA POWER & LIGHT CO.
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II)
Shared Package
ML19256F095	List: ML19256F094 ML19256F097
References
LER-79-083-03L-01, LER-79-83-3L-1, NUDOCS 7911210429
Download: ML19256F097 (2)

Text

NRC PORM 366 U.S. NUCLEAR REGULATORY COMMISSION 87 77)

LICENSEE EVENT REPORT CONTROL BLOCK: l 1

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(PLEASE PRINT OR TYPE ALL REQUIREO INFORMATION) foTil8 IN lCLlOENSEE lB lECODE lP l1 l@l0 l0 l- l0 l0 l0 0 l0 l- l0 l0 lgl4l1l1l1l1lgl 25 25 LICEN4E T ' PE 40 l

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7 9 14 15 LICENSE NUMBER CON'T

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68 74 75 REPORT DATE 7 8 60 61 NUMB ER EVENT DESCRIPTION AND PROB ABLE CONSEQUENCES h Lo_Ld l During a normal surveillance tour of the Reactor Building, the auxiliary operator Al noticed that the torus level instrument 1-CAC-LT-3342, on the remote shutdown panel, was reading six inches low. l o 4 l

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l O l F51T1 i Technical Specification 3.3.5.2, 6.9.9.b l 80 OE CODE SUSC DE COMPONENT CODE SUS DE SU E o 9 lIl E l@ W@ l A l@ l Il Nl S l Tl Rl U l@ {Q lZ g 10 12 13 18 19 20 7 8 9 11 SEQUENTIAL OCCURRENCE REPORT REVISION EVENT YEAR REPORT NO. CODE TYPE NO.

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31 l0l J2 21 22 23 24 26 27 28 22 K N AC N ON PL NT ME HOURS 22 S8 i POR 8. SUPPLIER MANUPAC RER l33X l@lC 34 l@ l3%Z l@ l36Zl@ l 0] 0l 0l 37 l

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lR 44 3 l 6 l 947lQ CAU3E DESCRIPTION AND CORRECTIVE ACTIONS i O l CAC-LTI-3342 had been calibrated inaccurately due to an erroneous sight glass reading. l i i The temporarv sight glass contained debris. The sight glass was replaced and the ]

g instrument was recalibrated and returned to service. The calibration instruction has; yl been revised to include a check of the sightglass for cleanliness before calibration l L'E l begins and to verify sighe glass level before and after calibration. (Cont'd) l 80 7 8 9 STA  % POWER OTHER STATUS 015 O RY DISCOVERY DESCRIPTION Q W @ l0l0l0l@l NA l lAlglOperatorSurveillance l A T1VITY CO TENT nELEASE AMOUNT OP ACTIVITY LOCATION OP RELEASE M d @D OP RE' EASE [,Z,,,,,,j@NA l l l NA l 10 44 45 80 7 8 9 11 PERSONNEL EXPOSURES NUV8E R TYPE DESCRIPTION NA l ITT71 ' '

l 0101 Ol@W@l ' So PERSO~~E'L ,~3u'4 ES suuSER oESCRiPfiON@ lu (

tI )7 '/QJ 'l / J W l 0l 0 0l@l 7 8 9 11 12 NA 80 LOSS OF OR DAMAGE TO PACILITY TYPE DESCRIPTION NA t 9 8 9 lZ l@l10 "

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NaC uSe ONov 2 o ISSUEf@l N DESCRIPTION NA l llllllllllllll 68 69 80 ~.

7 8 9 to A. C. Tollison, Jr. PHONE: 919 l*57 05?1 );

NAME OF PREPARER

LER CONTINUATION -- RO# 1-79-83 Facility: BSEP Unit #1 Event Date 10-24-79 An Engineering Work Request has been written to install a permanent sight glass.

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