05000302/LER-1982-048, Forwards LER 82-048/03L-0.Detailed Event Analysis Encl

Forwards LER 82-048/03L-0.Detailed Event Analysis Encl

ML20062M826
Person / Time
Site:	Crystal River
Issue date:	08/13/1982
From:	Mardis D FLORIDA POWER CORP.
To:	James O'Reilly NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II)
Shared Package
ML20062M829	List: 05000302/LER-1982-048, Forwards LER 82-048/03L-0.Detailed Event Analysis Encl 05000302/LER-1982-048-03, /03L-0:on 820715,windspeed & Temp Channels for 33 & 175-ft Meteorological Tower Elevations Failed to Function Properly.Caused by Lightning Strike.Damaged Equipment Removed,Repaired & Calibr
References
3F-0882-16, 3F-882-16, NUDOCS 8208200219
Download: ML20062M826 (2)

LER-1982-048, Forwards LER 82-048/03L-0.Detailed Event Analysis Encl

Event date:
Report date:
3021982048R00 - NRC Website

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M Power C O R P O n a T a O 8e August 13,1982

1. 3F-0882-16 File: 3-0-3-a-1 Mr. J.P. O'Reilly, Regional Administrator, Region II U. S. Nuclear Regulatory Commission Office of Inspection & Enforcement 101 Marietta Street, N.W., Suite 3100 Atlanta, GA 30303

Subject:

Crystal Ri,er Unit 3 Docket No. 50-302 Operating License No. DPR-72 License Event Report No.32-048

Dear Mr. O'Reilly:

Enclosed please find License Event R eport No.82-048 and the attached supplemental information sheet, which are submitted in accordance with Technical Specification 6.9.1.9.B.

Should there be any questions, please contact this office.

Very truly yours,

_TJ

- A David G. Mardis Acting Manager Nuclear Licensing Enclosure cc: Document Centrol Desk U. S. Nuclear Regulatory Commission Washington, DC 20555 QFFICIALDOb h$R DO O

38 PDR S

T'SS General Office 3201 Thaty-fourth street Soutn. P.O. Box 14042. St. Petersburg Ferda 33733 8

- 5151

t SUPPLEMENTAL INFORMATION_

Report #50/302/

82-048-03L-0 Facility:

Crystal River Unit 3 Report Date:

August 13,1982 Occurrence Date:

July 15,1982 IDENTIFICATION OF OCCURRENCE:

Meterological Monitoring Instrumentation Channels were inoperable contrary to Technical Specification 3.3.3.4.

CONDITIONS PRIOR TO OCCURRENCE:

Mode 1, Power Operations (90% Full Power)

DESCRIPTION OF OCCURRENCE:

At 0045 on July 13, 1982, during normal operation, the 175' and 33' wind speed channel and the 175' and 33' temperature channels of the Meterological Monitoring System were found, by an operator, to be inoperable. A thunderstorm was in the area at the time the occurrence was noted.. Maintenance was initiated and operability was restored on July 19,1982.

DESIGNATION OF APPARENT CAUSE:

The cause of this event is attributed to lightning striking the Meterological Tower.

ANALYSIS OF OCCURRENCE:

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

CORRECTIVE ACTION

t Damaged equipment was repaired, replaced, and calibrated. An evaluation is in progress to determine methods to prevent recurrence of this type of event.

FAILURE DATA:

This is the sixth occurrence for the 175' wind speed chann'el, the second occurrence for the 33' wind speed channel, the fifth ocurrence for the.175' temperature channel, and the fourth occurrence for the 33' temperature channel. This is'the twenty-second event repor ed under this specification.