ML19254E850

LER 79-068/03X-1:on 790910,downscale Alarm for Average Power Range Monitor F Actuated at Less than Required Percentage. Caused by Monitor Instrument Drift.Monitor Will Be Replaced

ML19254E850
Person / Time
Site:	Brunswick
Issue date:	10/30/1979
From:	Tollison A CAROLINA POWER & LIGHT CO.
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II)
Shared Package
ML19254E847	List: ML19254E846 ML19254E850
References
LER-79-068-03X, LER-79-68-3X, NUDOCS 7911020401
Download: ML19254E850 (1)

Text

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['O 2 While performing PT 1.2.4. APRM High Fluv and Downsenle Teme. the dnuneenle ntnr, fnr O 3 l APRM "F" actuated at 27. vice the required h 37 . APRM "B" was also out of service due!

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33 35 36 40 42 43 44 47 CAUSE DESCRIPTION AND CORRECTIVE ACTIONS h 1 O APRM "F" was out of calibration due to instrument drif t. The instrument was recali- l 1 1 lbrated and returned to service satisfactorily. APRM "B" will be reolaced durine che l i 7 lnext outage of sufficient length. As this is the first APRM calibration problem. this g lis considered an isolated event and no further action is required. l i 4 1 7 8 9 80 ST  % POWER OTHER STATUS DISCO RY DISCOVERY DESCRIPTION iTTsl U@ l o I 815 l@l NA l l B l@l Periodic Test l A TlVITY CO TENT RELEASED OF RELEASE AMOUNT OF ACTIVITY LOCATION OF RELEASE y y 8@

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