ML19312D153

Revised LER 79-020/03X-1:on 790327,during Normal Cold Shutdown,Operations Surveillance Testing Revealed That Emergency Diesel Generator Starting Air Compressor 93-AC-B1 Did Not Load Properly.Caused by Dirt in Unloader

ML19312D153
Person / Time
Site:	FitzPatrick
Issue date:	03/20/1980
From:	POWER AUTHORITY OF THE STATE OF NEW YORK (NEW YORK
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I)
Shared Package
ML19312D150	List: ML19312D149 ML19312D153
References
LER-79-020-03X, LER-79-20-3X, NUDOCS 8003210340
Download: ML19312D153 (1)

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'? , _ -POWER AUTHORITY'0F THE STATE OF NEW~ YORK-QAMES A.' FITZPATRICK NUCLEAR POWER PLANT DOCKET NO.-50-333 J

ATTACHMENT TO'LER 79-020/03X-1 Page i of 1' 4

Whlle In the' cold shutdown condi tion --and .during the performance of.

Operations-Surveillance Test, F-ST-98 titled "EDG Full; Load Test (ISI)",

alr compressor 93-AC-B1 did not. load. This test was being conducted to

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s~atisfy;thefrequirements'of.-Technical Specification' Appendix A, Paragraph 4.9.B.2. The redundant air compressor for the diesel engine (93-AC-82)-

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iwas. verified operable. 'The. event did not-represent a significant risk

<to the~public. health and' safety.

'Disas'sembly revealed that the~ unloader was not operating properly 7, Edu'e to dirt. .Following cleaning and reassembly, proper, operation was verified by completion of F-ST-98. A review of routine surveillance did

.not Indicate evidence of any chronic air system problems such as dirt or-twater accumulations.- Sinco there has not been any evidence of recurring problems', no special' inspection or cleaning of the unloaders on the re-maining seven (7); air compressors was performed. However, inspection

'ard cleaning:(if required) will be performed as a matter of routine fpreventive maintenance on each air compressor each refueling outage.

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NOTE: Revision 1 of this LER .is submitted to provide information

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withLrespect to corrective action and to correct items 13, 14, and 15 r

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