ML20245G002
| ML20245G002 | |
| Person / Time | |
|---|---|
| Site: | Comanche Peak  |
| Issue date: | 04/24/1989 |
| From: | William Cahill, Woodlan D TEXAS UTILITIES ELECTRIC CO. (TU ELECTRIC) |
| To: | NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM) |
| References | |
| CP-89-008, CP-89-8, TXX-89220, NUDOCS 8905030047 | |
| Download: ML20245G002 (1) | |
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Log '# TXX-89220 File # 10110 r
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903.9 7t#ELECTR/C-Ref. # 10CFR50.55(e)
. April 24, 1989 W. J. Cahill Enecutive Mce President U. S. Nuclear Regulatory Commission Attn: Document Control' Desk Washington, D..C.
20555
SUBJECT:
COMANCHE PEAK STEAM ELECTRIC STATION (CPSES) l l
DOCKET NOS. 50-445 AND 50-446 I
FISHER CONTROL VALVE ACTUATORS ~
SDAR: ~CP-89-008 (INTERIM REPORT)
Gentlemen:
On March 23, 1989, TV Electric notified Mr. J. S. Wiebe of the NRC of a deficiency involving Fisher control valve actuators.
Specifically,.three l
Component Cooling Water valves failed to fully close when stroke tested under system flow.
Two steam supply valves for the Turbine Driven Auxiliary Feedwater Pump turbines are also suspected of having inadequately sized valve i
stems.
TV Electric is continuing the evaluation of this issue's im3act upon the safety of plant operations.
TV Electric's next report on tais issue will be i
submitted prior to Unit 1 fuel load.
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Sincerely, William J. Cahill, Jr.
By:
M D. R. Wootilan Docket Licensing Manager HAM /ddm c - Mr. R. D. Martin, Region IV Resident Inspectors, CPSES (3) l I
8905030047 890424' DR ADOCK 050004
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I ti 400 North Olwe Street LB 81 Dallas, Texas 73201 1
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