ML20102B948

Forwards LERs 85-003-00,85-004-00 & 85-006-00

ML20102B948
Person / Time
Site:	Surry
Issue date:	02/21/1985
From:	Saunders R VIRGINIA POWER (VIRGINIA ELECTRIC & POWER CO.)
To:	NRC OFFICE OF ADMINISTRATION (ADM)
Shared Package
ML20102B949	List: 05000280/LER-1985-003, :on 850126,reactor Tripped Due to Voltage Transient Induced on Vital Bus I When Momentary Overload Condition Caused Circuit Breaker 13 to Trip Open.Cause Unknown.Plant Returned to Stable Condition 05000280/LER-1985-004, :on 850127,reactor Tripped Due to Closing of Four Turbine Stop Valves.Caused by Insufficient Consideration of Steam Leakage Effect on Plant Parameters. Plant Parameters Returned to Stable Conditions 05000280/LER-1985-006, :on 850128,reactor Trip Occurred Due to Differential Pressure anti-motoring Turbine Trip.Caused by Isolation of Exhaust Pressure Sensing Line Root Valve in anti-motoring Instrumentation.Plant Returned to Svc ML20102B948
References
85-004, 85-4, NUDOCS 8503050013
Download: ML20102B948 (1)

Text

PCO VIRGINIA ELECTRIC AND POWER COMPANY Surry Power Station P. O. Box 315 Surry, Virginia 23883 Serial No:

85-004 February 21, 1985 License No:

DPR-32 U. S. Nuclear Regulatory Commission Document Control Desk 016 Phillips Building Washington, D.C. 20555 Gentlemen:

Pursuant to Surry Power Station Technical Specifications, the Virginia Electric and Power Company hereby.:ubmits the following Licensee Event Reports for Surry Unit 1.

REPORT NUMBERS 85-003-00 85-004-00 85-006-00 These reports have been reviewed by th'e Station Nuclear Safety and Operating Committee and will be reviewed by Safety Evaluation and Control.

Very truly yours, a

R. F. Saunders Station Manager

~

Enclosure

~

l cc:

Dr..J. Nelson Grace l

Regional Administrator l

Suite 2900 101 Marietta Street, NW t

Atlanta, Georgia 30323 8503050013 850221 PDR ADOCK 05000280 4

S PDR y

.