ML20033F021
| ML20033F021 | |
| Person / Time | |
|---|---|
| Site: | Trojan File:Portland General Electric icon.png |
| Issue date: | 03/08/1990 |
| From: | Yundt C PORTLAND GENERAL ELECTRIC CO. |
| To: | NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM) |
| References | |
| CPY-086-90SR, CPY-86-90SR, NUDOCS 9003150274 | |
| Download: ML20033F021 (1) | |
Text
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Portland General Electri'c Company.
March 8, 1990 JTrojan Nuclear Pfant -
CPY-086-90SR 71760 Columbia River liwy Rainier, Oregon 97048 (503) 556-3713 i
.U.S. Nuclear Regulatory Commission-Document Control Desk 1:
Washington DC 20555 I
' Gentlemen:
1..
Special Report v
l Limiting Condition for Operation 3.3.3.4 of the Trojan Technical Specifications requires submittal of a special. Report if one meteorological
'l monitoring instrumentation channel is inoperable for greater than 7 days.
Meteorological monitoring instrumentation channel B wind speed was declared ~
l-inoperable on= February 13, 1990 due to a failed recorder and the channel-A delta-temperature was declared inoperable on February 14, 1990 after failing a routine surveillance..New parts were installed, functionally _
l-
-restoring channel A delta-temperattre on February 20, 1990. However.
l during the restoration of channel A, degraded parts were found in the a
R channel B delta-temperature. The channel B wind: speed and.the channel A and B delta-temperature were all declared operable'on-February 26, 1990.
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Sincerely, l
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C. P. Yundt c
Genera 1' Manager-Trojan Nuclear Plant c:
Mr. John B. Martin
' Regional' Administrator, Region V U.S. Nuclear Regulatory Commission Mr. David Stewart-Smith
. State of Oregon Department of Energy.
Mr. R. C. Barr e
USNRC Resident Inspector.
Trojan Nuclear Plant-i 9003150274 900300 m
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