05000324/LER-1980-076-03, /03L-0:on 801119,switch 1 of 2-B21-PS-N021D Found Out of Calibr.Caused by Instrument Drift.Switch Recalibr & Returned to Operation.Instrument to Be Replaced

/03L-0:on 801119,switch 1 of 2-B21-PS-N021D Found Out of Calibr.Caused by Instrument Drift.Switch Recalibr & Returned to Operation.Instrument to Be Replaced

ML19345E014
Person / Time
Site:	Brunswick
Issue date:	12/15/1980
From:	Tollison A CAROLINA POWER & LIGHT CO.
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II)
Shared Package
ML19345E013	List: 05000324/LER-1980-076, Forwards LER 80-076/03L-0 05000324/LER-1980-076-03, /03L-0:on 801119,switch 1 of 2-B21-PS-N021D Found Out of Calibr.Caused by Instrument Drift.Switch Recalibr & Returned to Operation.Instrument to Be Replaced
References
LER-80-076-03L-01, LER-80-76-3L-1, NUDOCS 8012220436
Download: ML19345E014 (1)

LER-1980-076, /03L-0:on 801119,switch 1 of 2-B21-PS-N021D Found Out of Calibr.Caused by Instrument Drift.Switch Recalibr & Returned to Operation.Instrument to Be Replaced

Event date:
Report date:
3241980076R03 - NRC Website

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7 8 9 LsCENSEE CODE 14 15 LICENSE NUMBEH 25 26 LICENSE TYPE JJ 51 LAT $9 CON'T IOI1l 3[RCE lL j@l0 l5 l0 l-l0 l3 l2 l4 l@l1 11 11 l9 l8 l0 l@l 1l 2 l 1l 5l 8 l 0 l@

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60 G1 COC(ET NuveER 68 69 E1 ENT DATE 74 75 REPORT DATE 60 EVENT DESCRIPTION AND PROBABLE CONSEQUENCES h I O 12 l l During the performance of Reactor Low Pressure Channel Calibration and Functional l

[5 TTl i Test, P.T. 3.1.14 PC, switch 1 of 2-B21-PS-N021D was found out of calibration.

l 10141 1 The reportable limit for the switch is 335 15 psig and the as found value was l

l0Isi I 312 psig decreasing. This instrument has a recent history of similar events as l

IOlsi l documented in LER's 2-80-21 and 2-80-42.

This event did not affect the health or i

l jOI7ll safety of the public.

Technical Specifications 3.3.3, 6.9.1.9b l

10181 l 80 8 9 7

• SYSTEM

CAUSE

CAUSE C09P.

VALVE CODE CODE SUSCODE COMPONENT CODE SU8COOE SuuCODE l0l91 lTl.Bl h [ @ lZ lh l Il Nl S l T l Rl U lh lS lh y @

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9 10 11 12 13 18 19 20 SE QUENTI AL OCCURRENCE REPORT REVISION LER RO EVENT YE AR REPORT NO.

CODE TYPE NO.

hRE,P&"_l21 Rl 0l l-l l 0 l 716 l l/l 10l3l l Ll l-l l0l 22 23 24 26 27 28 23 30 33 32 TAKEN A TO ON PL NT ET D HOURS S 8 i FOR?

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JJ 35 36 31 40 41 42 43 44 47 CAUSE DESCRIPTION AND CORRECTIVE ACTIONS h 11 lOfI The actuation oressure set noint of the switch una out of cnifbration due to lhetru-I il 11 1 I -one dri f t.

The suitch uns recM ihrnrod ncenrMng en thn P.T-nnd tho in c e m-m e I

I i l 21 I was returned to service eneratinc satisfactorily.

This inntrument will be replaced I

Ii13l I durine the nnyt enen~n of sufficient lencth after the receint of its replacement.

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8 9 STA S

% POWE R OTHER STATUS Dis O RY DISCOVERY DESCRIPTION NA l

W @l Periodic Test l

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'8 AETiviTv CclTENT RELE ASEo OF RELE ASE AMOUNT OF ACTIVtTY LOCATION OF RELE ASE NA l

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8 9 to 11 44 45 80 t

k PERSONNEL EXPOSURES NUMSER TYPE DESCR'PTtON l

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'2 PERSON w'LiN;UH,ES NuveE R

DESCRIPTION

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8 9 11 12 SO LOSS OF OR CAVACE TO FAClllTV TYPE

DESCRIPTION

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8 9 to 60 ISSUE

DESCRIPTION

L2 LJ Lul61 NA I

11 l i l l l l l ! l ! li 68 69 80 5 7

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