05000260/LER-1981-011-03, /03L-0:on 810311,during Normal Operation,Core Spray Sys I Flow Indicator 2-FI-75-21 Failed to Indicate Flow.Caused by Failure of Transmitter Model 555111BDA3AAA. Transmitter Replaced & Required Testing Performed

/03L-0:on 810311,during Normal Operation,Core Spray Sys I Flow Indicator 2-FI-75-21 Failed to Indicate Flow.Caused by Failure of Transmitter Model 555111BDA3AAA. Transmitter Replaced & Required Testing Performed

ML19350C801
Person / Time
Site:	Browns Ferry
Issue date:	04/01/1981
From:	TENNESSEE VALLEY AUTHORITY
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II)
Shared Package
ML19350C795	List: 05000260/LER-1981-011, Forwards LER 81-011/03L-0 05000260/LER-1981-011-03, /03L-0:on 810311,during Normal Operation,Core Spray Sys I Flow Indicator 2-FI-75-21 Failed to Indicate Flow.Caused by Failure of Transmitter Model 555111BDA3AAA. Transmitter Replaced & Required Testing Performed
References
LER-81-011-03L-01, LER-81-11-3L-1, NUDOCS 8104060717
Download: ML19350C801 (2)

LER-1981-011, /03L-0:on 810311,during Normal Operation,Core Spray Sys I Flow Indicator 2-FI-75-21 Failed to Indicate Flow.Caused by Failure of Transmitter Model 555111BDA3AAA. Transmitter Replaced & Required Testing Performed

Event date:
Report date:
2601981011R03 - NRC Website

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.iDuring normal operation during the performance of SI 4.5.A.l.d, CS system I flow I

o 2 g g indicator 2-FI-75-21 failed to indicate flow. CS system I was declared inoperable g o,,, j at 1920. Redundant systems were operable. There was no effect on the health or i

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. ' Ti trc ence _3/11/81 Time of Oc.:urrence 1920 1 ni: 2

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,.fian anil Description of Occurrence:

CS System I flow indicator 2-FI-75-21 failed to indicate flow during surveilluce

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i4 e iar to Occurrence:

Unit'1 at 98% power

' Unit 2 at 100% power.

Unit 3 at 99% power.

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