ML19338G448

LER 80-024/03L-0:on 800926,while Completing Repairs on B Charging Pump,A Charging Pump Became Inoperable.Caused by Packing Cooling Pump Failure.Motor Replaced

ML19338G448
Person / Time
Site:	Fort Calhoun
Issue date:	10/21/1980
From:	Gates W OMAHA PUBLIC POWER DISTRICT
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION IV)
Shared Package
ML19338G447	List: ML19338G446 ML19338G448
References
LER-80-024-03L, LER-80-24-3L, NUDOCS 8010290376
Download: ML19338G448 (4)

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LER No.80-024 Omaha Public Power District Fort Calhoun Station Unit No.1 Docket No. 05000285 ATTACHMENT NO. 1 e

Safety Analysis

The inservice inspection of the suction and relief valves of "B" i charging pump was in progress on September 25, 1980. The discnarge relief valve was being rebuilt at this time.

At approximately 1030 A.M. , "A" charging pump packing cooling water pump motor failed. The loss of the packing cooling water puma resulted in "A" charging pump being unavailable for continuous service. "A" charging pump was removed from service for repair and the 24 hour2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br /> time limit of Technical Specificatien 2.2 was implemented.

The packing cooling pump motor was replaced and "A" charging pumo returned to service at 1604 the same day.

The repairs were accomplished within the time limits provided in Technical Specification 2.2.

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O LER No.80-024 Omaha Public Power District Fort Calhoun Station Unit No.1 Occket No. 05000285 ATTACHMENT h0. 2 Corrective Action The packing cooling pump motor for "A" charging pump was replaced, e.

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LER No.80-024 Omaha Puolic Power District Fort Calhoun Station Unit No.1 Docket No. 05000285 ATTACHMENT NO. 3 Failure Data This is the second failure of a packing cooling pump motor at Fort Calhoun Station.

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