05000267/LER-1981-014-03, /03L-0:on 810104,instrument Air Compressors 1C & 1A Out of Svc,Leaving Only Compressor 1B in Svc.Caused by Compressor 1C Tripping on High Discharge Air Temp & Compressor 1A Being Cleared Out for Insp & Repairs

/03L-0:on 810104,instrument Air Compressors 1C & 1A Out of Svc,Leaving Only Compressor 1B in Svc.Caused by Compressor 1C Tripping on High Discharge Air Temp & Compressor 1A Being Cleared Out for Insp & Repairs

ML19350C263
Person / Time
Site:	Fort Saint Vrain
Issue date:	03/03/1981
From:	Gahm J PUBLIC SERVICE CO. OF COLORADO
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION IV)
Shared Package
ML19350C262	List: 05000267/LER-1981-014, Forwards LER 81-014/03L-0.Detailed Summary Also Encl 05000267/LER-1981-014-03, /03L-0:on 810104,instrument Air Compressors 1C & 1A Out of Svc,Leaving Only Compressor 1B in Svc.Caused by Compressor 1C Tripping on High Discharge Air Temp & Compressor 1A Being Cleared Out for Insp & Repairs
References
LER-81-014-03L, LER-81-14-3L, NUDOCS 8103310744
Download: ML19350C263 (1)

LER-1981-014, /03L-0:on 810104,instrument Air Compressors 1C & 1A Out of Svc,Leaving Only Compressor 1B in Svc.Caused by Compressor 1C Tripping on High Discharge Air Temp & Compressor 1A Being Cleared Out for Insp & Repairs

Event date:
Report date:
2671981014R03 - NRC Website

text

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1. EPORT C ATE 80 EVENT CESCRIPTION AND PRCBABLE CONSEQUENCES h lol2l l During normal plant operation,1C instru=ent air compressor tripped on high discharge !

g o,3, gair temperature; 1A instrument air compressor was cleared out for after-cooler tube l

1o141 Irepairs at this time.

This lef t only 13 instrument air compressor in service.

Re-l i o,3, gortable per Fort St. Vrain Technical Specification AC 7.3.2(b)2 as a degraded raode of f ppq [ LCO 4. 2. 6.

No affect on public health or safety. Backup systers unavailable. Simi-I [o ! T ) ! ar occurrences R0 79-32 and 79-29.

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(.4 l l tJith 1A and 1C instru=ent air cocoressors in service. 1C air cocoressor was taken out I i14i lof service for insoection and cleanin2 of af ter-cooler.

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