05000364/LER-1981-015-03, /03L-0:on 810506,hydrogen Recombiner 2A Oxygen Concentration Increased Above Tech Spec Level w/4.3% Hydrogen Concentration.Cause Not Stated.Oxygen Concentration Reduced & Recombiner Returned to Svc

/03L-0:on 810506,hydrogen Recombiner 2A Oxygen Concentration Increased Above Tech Spec Level w/4.3% Hydrogen Concentration.Cause Not Stated.Oxygen Concentration Reduced & Recombiner Returned to Svc

ML20004F117
Person / Time
Site:	Farley
Issue date:	06/09/1981
From:	Hairston W ALABAMA POWER CO.
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II)
Shared Package
ML20004F097	List: 05000364/LER-1981-014-03, /03L-0:on 810506,sequencer B2J Failed to Load Shed River Water Pump 3 During Loss of Sys Pressure Test.Caused by Malfunction of Relay Due to Dirty Contacts.Contacts Cleaned & Adjusted & Sequencer Returned to Svc on 810507 05000364/LER-1981-015-03, /03L-0:on 810506,hydrogen Recombiner 2A Oxygen Concentration Increased Above Tech Spec Level w/4.3% Hydrogen Concentration.Cause Not Stated.Oxygen Concentration Reduced & Recombiner Returned to Svc ML20004F096
References
LER-81-015-03L-01, LER-81-15-3L-1, NUDOCS 8106160519
Download: ML20004F117 (1)

LER-1981-015, /03L-0:on 810506,hydrogen Recombiner 2A Oxygen Concentration Increased Above Tech Spec Level w/4.3% Hydrogen Concentration.Cause Not Stated.Oxygen Concentration Reduced & Recombiner Returned to Svc

Event date:
Report date:
3641981015R03 - NRC Website

text

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8 60 6l coCKET NUMa1R 68 63 EVENT oATg 74 75 REPORT oATE 83 EVENT DESCRIPT!ON AND PROBABLE CONSEQUENCES h g l At 0130 on 5/6/81, the hydrogen recombiner 2A oxygen concentration increased to 2.4%

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g g centration to be less than or equal to 2% when the hydrogen concentration exceeds 4% by {

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j l ability to monitor these limiting waste gas system parameters. On the above specific - l l

occasion the oxygen concentration was reduced to below 2% and the 2A recombiner returned I

a 14 I I to service at 223o on 5-6-81.

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