05000364/LER-1982-019

LER 82-019/03L-0:on 820430,pressurizer Pressure Fell Below Tech Spec Limit.Caused by Transient in Pressurizer Pressure Transmitter PT-444 Opening Spray Valve.Pressure Restored

ML20053D586
Person / Time
Site:	Farley
Issue date:	05/27/1982
From:	Hairston W ALABAMA POWER CO.
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II)
Shared Package
ML20053D578	List: 05000364/LER-1982-017 05000364/LER-1982-019 ML20053D577
References
LER-82-019-03L, LER-82-19-3L, NUDOCS 8206070091
Download: ML20053D586 (1)

LER-2082-019,

Event date:
Report date:
3642082019R00 - NRC Website

text

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z 1 8 60 61 DOCK E T NOUSER TA 63 EVENT OATE 74 75 REPORT DATE EVENT DESCRIPTION AND PROBABLE CONSEQUENCES h .

I O I 2 I I At- 2130 on 4/30/82 the cressurizer oressure fell below the Tech. Spec. limit (2180 psia l IoI3I l actual vs 2220 psia required). Tech. Spec. 3. 2.5, in part, requires the pressurizer l lo I4 l l pressure to be greater than or equal to 2220 psia. Tech. Spec. 3.2.5 action statement l l o l s i l requirements .were met. Health / safety of the public was not affected. l 4

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.36 l 0 l0 l 0 l 0 l J1 40 (N_j h 41 l42 N lh lN lh l Fll l 8 l 0 lh 43 44 47 CAUSE DESCRIPTION AND CORRECTIVE ACTIONS l i l o l l This event was a result of a transient in pres.surizer pressure transmitter PT-444 which l l i I i l l caused the pressurizer spray valve to open. The pressure was restored at 2138 on I

,,;7l 14/30/82 and PT-444 gave a normal indication. The accessible parts of the loop were j

l , [ 3 l l functionally tested and no cause was found. l li i4_1 I I 7 8 9 80 sf S  % POWE R OTHER STATUS ISC RY DISCOVERY OESCRIPTION 11 15 I (J.jh l 0 l 8 I s l@L NA I W @l" onermeional tvent I A2TiviTv Colr E *4T netExSto or nELF ASE AMOUNT OF ACTivlTY LOCATION OF RELE ASE d W8 9h ( Z_ j h !

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p 8 g to 68 69 80 NAVE OF PREPARER . C. Hairstnn- TTT PHONE: (205) 899-5156

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