ML20055C021
| ML20055C021 | |
| Person / Time | |
|---|---|
| Site: | Duane Arnold  |
| Issue date: | 07/29/1982 |
| From: | Mineck D IES UTILITIES INC., (FORMERLY IOWA ELECTRIC LIGHT |
| To: | James Keppler NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION III) |
| References | |
| NUDOCS 8208100045 | |
| Download: ML20055C021 (1) | |
Text
lowa Electric 1.ight and Ibwer Company July 29, 1982 DAEC-82 503 Mr. James G. Keppler Regional Administrator Region III U. S. Nuclear Regulatory Commission 799 Roosevelt Road Glen Ellyn, IL 60137
Subject:
Prompt Notification of a Reportable Occurrence File: A-ll8a
Dear Mr. Kepp' c:
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:
3.7.A.3.a Description of Occurrence:
During nonnal opsration surveillance testing, differential pressure switches PDS-4304 and 4305 tripped out-of spec high at 0.65 and 0.7 psid, respectively.
Technical Specification 3.7.A.3.a requires the setpoints to be 0.5 psid.
PDS-4304 and 4305 provide opening signals for the torus to reactor building vacuum breakers CV-4304 and CV-4305, respectively. The pressure switches were immediately recalibrated and functionally tested satisfactory.
- Very truly yours, Daniel L. Mineck Plant Superintendent - Nuclear Duane Arnold Energy Center DLM/kLH /pl cc: NRC Resident Inspector AUG 4y 8208100045 820729 PDR ADOCK 05000331 S
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