ML19270H051

LER 79-037/03L-0 on 790519:control Panel Instrument 2-CAC-ATH-1263-2 Gave Downscale Reading & 2-CAC-ATH-1259-2 Was Out of Calibr.Caused by Being Out of Calibr.Both Instruments Recalibr & Returned to Svc

ML19270H051
Person / Time
Site:	Brunswick
Issue date:	06/15/1979
From:	Tollison A CAROLINA POWER & LIGHT CO.
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II)
Shared Package
ML19270H049	List: ML19270H048 ML19270H051
References
LER-79-037-03L-01, LER-79-37-3L-1, NUDOCS 7906220420
Download: ML19270H051 (1)

Text

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DATE EVENT OESCRIPTION AND PROBABLE CONSEQUENCES h O 2 l During normal operator surveillance of the control panel. the operator noticed that l l 5 Ta"l l 2-CAC-ATH-1263-2 was providing a downscale reading. When this instrument was returned l o 4 l to service, 2-CAC-ATH-1259-2 was checked and found out of calibration. These I

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36 37 40 41 42 43 44 47 CAUSE DESCRIPTION AND CORRECTIVE ACTIONS h 1 O l Both instruments were out of calibration. They were recalibrated and returned to l E Iservice. A monthly calibration was imolemented in July 1978. due to excessive I fiTTl I instrument drifting. As this is the second occurrence of being out of calibration in I i 3 l the past month, the calibration frequency for the CAC-ATH-1259 and CAC-ATH-1263 is 1 i 4 Lbeina chanzed to a two week interval. I 7 8 9 80 STA  % POWER OTHER STATUS DI Y DISCOVERY OESCRIPTION

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NAME OF PREPARER A. C. To111 son, Jr.

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