ML20085H092

Telecopy RO BFAO-50-260/7448T:on 740920,RHR Pump B & D Pipe Nipples Failed.Investigation of Cause Underway

ML20085H092
Person / Time
Site:	Browns Ferry
Issue date:	09/21/1974
From:	Green H TENNESSEE VALLEY AUTHORITY
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II)
Shared Package
ML20085H085	List: ML20085H082 ML20085H092
References
NUDOCS 8308300161
Download: ML20085H092 (1)

Text

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U.S. ATOMIC ENERGY COMMISSION, ATTN REGION 2, DIRECTORATE OF REGULATORY  :)

OPERATIONS 230 PEACH TREE ST NORTHWEST ATLANTA GA 30303 >

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BFAO-So-259/7aa87 4T 130PM SEPTEMBER 20, 1974 WHILF IN THE SHUTDOWN C 0 0 L I t'G MODE AT AppROXIMATELY 125 DEGREES F, llNIT 1 RHR PUMPS B AND 0 EXPERIENCED FAILURE OF 1/2 INCH PIPE NIPPLES SUPPLYING PUMP

• SEAL WATER REPLACEMENT NIPPLES ON BOTH PUMPS SUBSEQUENTLY FAILED AND IT WAS NECESSARY TO USE NIPPLES OF A HEAVIER SCHEDULE 0 PIPE. l PUMPS 9 AND D ARE AQFSENTLY OPERATING SATISFACTOPIALLY WHILE INVESTIGATI l ON AS TO CAUSE AND PEQHANENT CORRECTIVE ACTION CONTINUES, RHR PUMPS l A AND C WERE OUT OF SERVICE FOR SCHEDULED MAINTENANCE AT THE TIME l 4 J G9EEN, 9ROWNS FERRY NUCLEAR PLANT 13:14 EDT MGMATLT HSB _, ,, nq

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