ML20064M146
| ML20064M146 | |
| Person / Time | |
|---|---|
| Site: | Browns Ferry  |
| Issue date: | 02/07/1983 |
| From: | Jones G TENNESSEE VALLEY AUTHORITY |
| To: | NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II) |
| References | |
| RO-50-259-83006, NUDOCS 8302150475 | |
| Download: ML20064M146 (1) | |
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xo: NUC PR ARMS, 1520 CST 2-C T. G. Campbell, 1760 CST 2-C i
G. L. Paulk, NRC TELRCOPY TO NRC T. L. Chinn, BFN FlEB 071903 red 7, 1983 c w crawrord, 670 CSTa-C A. W. Crevasse, 401 UBB-C G. S. Harrison, Plt Supt Office U. S. Nuclear Regulatory Commission L. M. Mills, 400 CST 2-C Region II Shift Engineer 101 Marietta Street, NW F. Z. Szczepanski, 417 UBB-C Suite 3100 W. C. Thomison, BFN Atlanta, Gecrgia 30303 D. L. Williams, W10B85C-K BFRO-50-259/83006 Reported under Technical Specification 6.7.2.a (9)
Date of Occurrence: 2/5/83 Time of Occurrence: 0518 Unit 1 wa Technical Specification Involved: 3.6.0 g
a Conditions Prior to Occurrence Unit 1 - Full Power Unit 2 - Refueling Outage E5 Unit 3 - Full Power
. r-Identification and Descriotion of Occurrenqg or Following a reactor scram, relief valve PCV 1-22 appeared to not fully reseat after being actuated by the operator to control reactor pressure.
This is based on the acoustic monitor for this valve being in the alarn condition.
Anoarent Cause of Occurrence Based on information available, most probable cause was excessive leakage of the pilot valve.
Reactor pressure did not decrease to any appreciable extent (which would be indicative of a relief valve stuck open).
Other Related Events None Corrective Action Taken or Planned Replaced pilot valve and solenoid actuator.
Valve will be tested during startup to verify operability, pi G. T.
o es Peder ant Superintendent Browns Ferry Nuclear Plant 8302150475 830207 N
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