ML20040B490

LER 81-080/03L-0:on 811221,after Packing Adjustments Were Made to MSV-130 to Stop Excessive Packing Leakage Under Work Request 29981,valve Would Not Operate,Creating Event Contrary to Tech Spec.Caused by Excessive Packing Adjustment

ML20040B490
Person / Time
Site:	Crystal River
Issue date:	01/15/1982
From:	Charles Brown FLORIDA POWER CORP.
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II)
Shared Package
ML20040B485	List: ML20040B484 ML20040B490
References
LER-81-080-03L, LER-81-80-3L, NUDOCS 8201260108
Download: ML20040B490 (2)

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. Supplementary Information Report No.: 50-302/al-080/03L-0 Facility: Crystal River Unit 3 Report Date: January 15, 1982 Occurrence Date: December 21, 1981 Identification of Occurrence:

Main Steam Valve 130 was inoperable contrary to Technical Specification 3.6.3.1.

Conditions Prior to Occurrence:

Mode 1 (100%),

Description of Occurrence:

At 0440 during normal operation, Main Steam Valve 130 would not operate after packing adjustment was made to stop excessive leakage,under Work Request #29981. At 0615 Main Steam Valve 176 was closed to isolate Main Steam Valve 130 and maintenance was initiated. Operability was restored at 1748 on December 22, 1981 Designation of Apparent Cause:

The cruse of this event is at.tributed to excessive packing adjustment which caused the valve to become inoperable.

Analysis of Occurrence:

There was no effect upon the health or safety of the general public.

Corrective Action:

The valve was repaired under Work Request #29981, m.d operators will be instructed in valve packing adjustment. No further corrective action is deemed necessary.

Failure Data:

This was the second occurrence of this type, and this is the thirty-seventh event reported under this Specification.

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