ML20009E698
| ML20009E698 | |
| Person / Time | |
|---|---|
| Site: | Crystal River  |
| Issue date: | 07/14/1981 |
| From: | Baynard P FLORIDA POWER CORP. |
| To: | James O'Reilly NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II) |
| Shared Package | |
| ML20009E700 | List: |
| References | |
| CS-81-152, NUDOCS 8107280369 | |
| Download: ML20009E698 (2) | |
Text
-
r- o
,. , .> p,.,
y-n w
- ~1[Q _ UlFicML copy
',ijfT!!
o o :_u E~%'
.'y"3 ys a -
-.d Florida July 14,1981 .
e>
Pw ..er co.o. ..o.
3-o-3-^-
CS-81-152 s' e'
aff g e
- 3-071-16 f / A
.'34 0 t l} -1L
'_.M 'Ul 2 3 ;981w ~
\ D'C98 ss s\ ^fr ^fy Mr. J. P. O'Reilly, Director Docker Nd. Q0$
U.S. Nuclear Regulatory Commission Licensee No7'UP Office of Inspection & Enforcement LER No. 81-034/03L-0 101 Marietta St., Suite 3100 Crystal River Unit //3 Atlanta, GA 30303 Occurrence Date:
- I'h' June 17, 1981 1
Dear Mr. O'Reilly:
Enclosed please find Licensee Event Report 81-034/03L-0 and the at-tached supplementary information sheet, which are submitted in accord-ance with Technical Specification 6.9.1.9.b.
Should there be any questions, please contact us.
Very truly yours, FLORIDA POWER CORPORATION S W Lee NuclearPlantManage% atsy Y. Baynard Manager Nuclear Support Services JC/.rc .
l Attachments (2) l l
l l
l l
OO 2 I PDR l
l General Office 3201 inirty fourtn street soutn . P o sex 14o42. st Petersburg. Fiorica 33733 813-866 5151
(<
SUPPLEMENTARY INFORMATION Esport No.- 50--302/81-034/03L-0 Facility: Crystal River Unit 3 Raport Date: July 14,1981 Occurrence Date: June 17, 1981 lientification of Occurrence:
The meteorological instrumentation tower was struck by lightning. This created an event contrary to Technical Specification 3.3.3.4.
Conditions Prior to Occurrence:
Mode 3 hot shutdown (0%)
D2scription of Occurrence:
At 1536 during hot shutdown operation, a lightning strike rendered all meteorological instrumentation inoperable.
~
Maintenance was initiated and operability was restored at 1730 to all instrumentation except the 175' windspeed in-dicator. Full operability was restored at 1130 on June 24, 1982 Designation of Apparent Cause:
The cause of this event is attributed to lightning striking the meteorological monitoring tower. This rendered all in-strumentation inoperable.
Analysis of Occurrence:
There wa. ao effect upon the health or safety of the general
. public.
Corrective Action:
All affected instrumentation was repaired or replaced and the functional test was satisfactory. An engineering investiga-tion will be conducted to evaluate the installed lightning eliminator system.
ra ilure Data:
This was the first lightning induced loss of all meteorologi-cal instrumentation and this is the thirteenth event reported under this Specification.
/rc l