05000364/LER-1983-054, Updated LER 83-054/03X-1:on 831028 & 1103,instrumentation Channel Associated W/Flow Transmitter FT-496 Declared Inoperable Due to Erroneous Indication.Cause unknown.FT-496 Instrumentation Channel Operable on 831029 & 1104

Updated LER 83-054/03X-1:on 831028 & 1103,instrumentation Channel Associated W/Flow Transmitter FT-496 Declared Inoperable Due to Erroneous Indication.Cause unknown.FT-496 Instrumentation Channel Operable on 831029 & 1104

ML20083A989
Person / Time
Site:	Farley
Issue date:	12/13/1983
From:	Hairston W ALABAMA POWER CO.
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II)
Shared Package
ML20083A878	List: 05000364/LER-1983-054, Updated LER 83-054/03X-1:on 831028 & 1103,instrumentation Channel Associated W/Flow Transmitter FT-496 Declared Inoperable Due to Erroneous Indication.Cause unknown.FT-496 Instrumentation Channel Operable on 831029 & 1104
References
LER-83-054-03X, LER-83-54-3X, NUDOCS 8312200479
Download: ML20083A989 (1)

LER-2083-054, Updated LER 83-054/03X-1:on 831028 & 1103,instrumentation Channel Associated W/Flow Transmitter FT-496 Declared Inoperable Due to Erroneous Indication.Cause unknown.FT-496 Instrumentation Channel Operable on 831029 & 1104

Event date:
Report date:
3642083054R00 - NRC Website

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EVENT DESCRIPTION AND PROBABLE CONSEQUENCES O10 0 2 l At 2112 on 10/28/83 and 1630 on 11/3'783, the instrumentation channel associated l l0 l3 l l with flow transmitter FI-496 (Loop 3 Feed Flow) was declared inoperable due to l l o l4 l l erroneous indication. Tech. Spec. 3.3.1 and 3.3.2, in part, require this channel l 10 l 5 l l to be operable. Tech. Spec. action statement requirements were met. Health / l l 0 l6 l l Safety of the public was not af fected. l l0l7ll l lolsll l

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4 48 43 l Z l 9 l9 19 l 44 of CAUSE DESCRIPTION AND CORRECTIVE ACTIONS h l 1 lo l l No cause for these events could be determined. Following satisfactory performancq l 1 l 1 l l of WP-2-STP-215.5 (Main Feedwater FT-496 Loop Calibration and Functional Test l 11 l 2 l l N2C22FF0496) and verification of proper indication during performance of FNP l l 1 l 3 l l STP-1_ o (Operntions Daily and Shif t Surveillance Reauirements) . the FT-496 instrul I i l 4 l l mentation channel was declared operable at 0150 on 10/29/83 and 0500 on 11/4/83. l

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