ML20076F535
| ML20076F535 | |
| Person / Time | |
|---|---|
| Site: | Browns Ferry  |
| Issue date: | 08/12/1983 |
| From: | Coffey J TENNESSEE VALLEY AUTHORITY |
| To: | NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II) |
| References | |
| NUDOCS 8308260073 | |
| Download: ML20076F535 (2) | |
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Aug. 12, 1983 g'46 U. S. Nuclear ReggM b saion Region II 101 Marietta Street, NW Suite 3100 Atlanta, Georgia 30303 BFRO-50-296/83051 3eported under Technical Specification 6.7.2.A.(5)
Iglecony Date 8/12/83 line. 1330 Telechone : Date: 8/12/83 Time:
1345 hours0.0156 days <br />0.374 hours <br />0.00222 weeks <br />5.117725e-4 months <br /> Person Contacted: Ross Butcher Date of Occurrence: 8/12/83 Time of occurrence:
1015 Unit 3 Technical Specification Involved:
3 1.A Conditions Prior to Occurrence Unit 1 in refueling outage Unit 2 at 3100 Wt Unit 3 at 3080 m t Identification and Descriotion of Occurrence During routine surveillance testing (Surveillance Instruction 4.1. A-14) four of four turbine first-stage permissive switches were found out of technical specification limits. The greatest out of tolerance was 3 25.
Annarent Cause of Occurrence Setpoint drift Other Related Events l
BFR0 50-259/81032, 81038, 81064, 82037, 82092 BFR0 50-260/78002, 79017, 79024, 80020, 80022, 80057, 81023, 81028, 81059, 82018, 83025 BFR0 50-296/79007, 79012, 79028, 80022, 80030, 80045, 80052, 81007, 81030, 81039, 82009, 82036, 82054, 83010 l
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l TRfRCOPY TO NRC Aug. 12, 1983 Corrective Action Taken or Planned Setpoints were reset to the proper value, and the SI completed satisfactorily. Additionally a design change request (DCR 1389) has been initiated to replace these switches with an analog transmitter and trip switch.
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'A. Cofief Acting Power Plant Superintendent Browns Ferry Nuclear Plant l
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