05000272/LER-1979-004-03, During Normal Operations, Status Alarm Panel Indicated Loop 1 Steam Pressure 100 Psi Less than Loop 4.Steam Pressure Channels Checked & Loop 4 Channel 4 Read 100 Psi High.Caused by Frozen Sensing Line

During Normal Operations, Status Alarm Panel Indicated Loop 1 Steam Pressure 100 Psi Less than Loop 4.Steam Pressure Channels Checked & Loop 4 Channel 4 Read 100 Psi High.Caused by Frozen Sensing Line

ML19337A353
Person / Time
Site:	Salem
Issue date:	09/02/1980
From:	Kapple A Public Service Enterprise Group
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I)
Shared Package
ML18082B104	List: 05000272/LER-1979-004, Forwards Updated LER 79-004/03X-1
References
LER-79-004-03X, LER-79-4-3X, NUDOCS 8009090589
Download: ML19337A353 (1)

LER-1979-004, During Normal Operations, Status Alarm Panel Indicated Loop 1 Steam Pressure 100 Psi Less than Loop 4.Steam Pressure Channels Checked & Loop 4 Channel 4 Read 100 Psi High.Caused by Frozen Sensing Line

Event date:
Report date:
2721979004R03 - NRC Website

text

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's agponT =afg so EVENT QESCAIPTION AND *AC8 AILE CCNSECUENCES h I a i 2 f lDuring normal cperation at C845 tours, the status alarm panel indicated Loop 1 steam g

g ; pressure loo psi less than Incp 4.

A check of steam pressure channels showed normal l

13(4] l readings for all except Icop 4 Channel IV which read about 100 psi high. The channel l

9 i s t yas declared inoperable and Action No.14 fcr T/S 3.3.2.1 was implemented. The

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t o !.s i phannel was returned to service at lo2e hours and Action No.14 was terminated.

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.T CALSE CESCAIPTION AND CCARECitVE ACTICNS h l1 l3] The sensing line to the steam pressure transmitter was frczen due to an curside air l

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ti,4 i 113C137 has been ::mpleted which installed a :losable damper in the ventilation duct.

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