ML20085D578

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Ao:On 720103,emergency Diesel Generator B Failed to Start. Caused by Dirt Particles in Starting Air Solenoid Valve. Valve Cleaned
ML20085D578
Person / Time
Site: Robinson Duke Energy icon.png
Issue date: 01/14/1972
From: Utley E
CAROLINA POWER & LIGHT CO.
To: Morris P
US ATOMIC ENERGY COMMISSION (AEC)
Shared Package
ML20085D568 List:
References
NUDOCS 8307270009
Download: ML20085D578 (1)


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So-ast Carolina Power & Light Company Raleigh, North Carolina 27602 p,

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January 14, 1972

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\\g\\. %w ak Dr. Peter A. Morris Q' 7 7 q- ;,,,

Division of Reactor Licensing f

U. S. Atomic Energy Commission Washington, D. C.

20545 H. B. ROBINSON STEAM ELECTRIC PIANT LICENSE DPR-23 FAILURE OF "B" DIESEL TO START DURING WEEKLY TEST

Dear Dr. Morris:

In accordance with Paragraph 6.6.1.c, Technical Specifications, the following abnormal occurrence is reported:

On January 3,1972 "B" emergency diesel genetator failed to start from the RTGB during the weekly test of this equipment. A local start was initiated and the equipment test run for 30 minutes. The diesel was retired and the malfunction investigated.

The trouble was determined to be dirt particles in the starting air solenoid valve preventing proper operation of the valve.

The valve was disassembled, cleaned and returned to service. A retest from the RTGB was successfully completed.

This occurrence was reported to A.E.C. Division of Compliance by telephone and telegraph on Janua n 4, 1972.

l Yours very truly,

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Manager dC:HH Generation & System Operations, 1

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