ML20052A399

LER 82-009/01T-0:on 820329,five Differential Pressure Regulators for Oxygen Supply on Channel B Hydrogen Analyzer Found Defective.Caused by Mfg Deficiency

ML20052A399
Person / Time
Site:	Oconee
Issue date:	04/09/1982
From:	Kutzer J DUKE POWER CO.
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II)
Shared Package
ML20052A396	List: ML20052A395 ML20052A399
References
LER-82-009-01T, LER-82-9-1T, NUDOCS 8204280299
Download: ML20052A399 (1)

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g i During troubleshooting of a low sample flow alarm on the Unit 1 Channel B g

, , , , i hydrogen analyzer, the differential pressure regulator for the oxygen supply ,

g was found with the diaphragm ruptured. Investigation found 5 of 12 defective g M i renulators. Since the problem was found during functional testing prior to g o l_ operation of the system it is felt that the health and safety of the public ,

o a I were not n'ffected by this accident. -

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i a i This incident was apparently caused by a manuiacturing deficiency since~three t

,of the defective regulators were located in panels which had not been used priog to this incident. The dif ferential pressure regulators will be replaced prior i l* f

• to completion of functional testing and system turnover.

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