ML20041E634

Telecopy Message of Ro:On 820301,snubber GBB-3-SS-235 on B RHR Sys Removed from Svc for Testing.B RHR Sys & Containment Spray Sys Declared Inoperable.Due to a RHR Sys Also inoperable,24-h Limiting Condition for Operation Entered

ML20041E634
Person / Time
Site:	Duane Arnold
Issue date:	03/01/1982
From:	Mineck D IES UTILITIES INC., (FORMERLY IOWA ELECTRIC LIGHT
To:	James Keppler NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION III)
References
DAEC-82-148, NUDOCS 8203110198
Download: ML20041E634 (1)

Text

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hma Electrit I.ight and Ibwer Company March 1,1982 DAEC-82-148 Mr. James G. Keppler

• t- g Regional Administrator Region III S U. S. Nuclear Regulatory. Commission NECGit/UD 799 Roosevelt Road g7 g ,

Glen Ellyn, IL 60137 , 4g1~01982 A -Il

Subject:

Prompt Notification of a Reportable Occurrence V D U File: A-118a, TE-4 su

Dear Mr. Keppler:

This letter, telecopied to your office, is intended to satisfy the requirement for prompt notification of a Reportable Occurrence in accordance with Specification 6.11.2.a of the Duane Arnold Energy Center Technical Specifications.

Technical Specification paragraph (s) violated:

Description Occurrence:

During normal operation, snubber GBB-3-SS-235 on the "B" RHR system was removed from service for testing. The "B" RHR system was dec.ared inoperable while this snubber was out of service. With the "B" RHR system inoperable, the "B" containment spray system was affectively also made inoperable. Due to the "A" RHR (LPCI) system having previously been declared inoperable, a 24 hour2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br /> LC0 was entered per Technical Specification 3.5.A.6.

This event was initially classified as a 30 day Reportable Occurrence but was reevaluated as a 14 day Reportable Occurrence on 3/1/82.

1 Very truly yours, kDaniel fL LNl W Mineck 8 Chief Engineer Duane Arnold Energy Center DLM/JVS/pl cc: NRC Resident Inspector e2O3110190 820301 PDR ADOCK 05000311 S PDR

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