05000333/LER-1980-051-03, /03L-0:on 800521,during Surveillance Testing, Recorder for SRM Channels a & C Found Operating in Degraded Mode.Caused by Instrument Drift.Recorder Recalibr & Tested Satisfactorily in SRM Functional Test

/03L-0:on 800521,during Surveillance Testing, Recorder for SRM Channels a & C Found Operating in Degraded Mode.Caused by Instrument Drift.Recorder Recalibr & Tested Satisfactorily in SRM Functional Test

ML19318A140
Person / Time
Site:	FitzPatrick
Issue date:	06/13/1980
From:	POWER AUTHORITY OF THE STATE OF NEW YORK (NEW YORK
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I)
Shared Package
ML19318A139	List: 05000333/LER-1980-051, Forwards LER 80-051/03L-0 05000333/LER-1980-051-03, /03L-0:on 800521,during Surveillance Testing, Recorder for SRM Channels a & C Found Operating in Degraded Mode.Caused by Instrument Drift.Recorder Recalibr & Tested Satisfactorily in SRM Functional Test
References
LER-80-051-03L, LER-80-51-3L, NUDOCS 8006180503
Download: ML19318A140 (1)

LER-1980-051, /03L-0:on 800521,during Surveillance Testing, Recorder for SRM Channels a & C Found Operating in Degraded Mode.Caused by Instrument Drift.Recorder Recalibr & Tested Satisfactorily in SRM Functional Test

Event date:
Report date:
3331980051R03 - NRC Website

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NRC DOMM 344 U. S. feucLEAR REGULATORY COMMISSION

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LICENSEE EVENT REPORT CONTROL BLCCK: l l

1 l

l l lh (PLEASE PRINT CR TYPE ALL REQUIRED INFORMATION) i e

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7 d 9 UCENSEE COCE 14 15 uCENSE NvM8ER 25 26 UGENSE TYPE JQ 5 7 CA r 58 CCn'T 1011I l L j@l 015 l0 lo 10 13 l 3 13 @l0 15 1 21 11 81 0 @ l0 16 Il 13 18 lo l @

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60 on DCCKET NUMSER 68 69 EVENT CATE 74 75 REPORT QATE So EVENT DESCRIPT1CN AND PROBA8LE CCNSECUENCES h Io!2i l During normal shutdown operations while conductino surveillar.ce tests. recorder for l

t o 131 l SRM channels A and C Indicated 80,000 CPS when it should.'iave indicated 100.000 CPS.

I This failure is considered operation in a degraded mode permitted by TS Table 3.2.6.

I lo tal i SRM indicators (local and remote) and trip units were not effected and the plant l

lo43; ;

lo is l l was in the cold condition preparing for refuel.

The event did not represent a lo irl i significant hazard to public health and safety.

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CC E SLBC E COMPONENT CODE SUSC00E SU E

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10 11 12 13 18 19 20 SECUENTI AL OCCU R R E NCE REPCRT REVISICN gg a, ao EVENT YEAR REPCRT NO.

CODE TYPE N C.

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l G l 0 l 8 l 0 lj 33 34 35 36 31 40 41 42 43 44 47 CAUSE DESCRIPTION AND CORRECTIVE ACTIONS.h li lo ! l The cause of failure is attributed to drif t.

Following recalibration, orocer operationt li ii i I was demonstrated by satisfactory completion of Operations Surveillance Test F-ST-50 i

p 1, i : j l titled "SRM Functional Test".

No additional action is requi red.

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