ML20082D025

Telecopy Ro:On 831110,HPCI Isolated Due to Failure of Exhaust Rupture Disc.Cause Unknown.Maint Request Issued to Replace Disc.Investigation Continuing

ML20082D025
Person / Time
Site:	Browns Ferry
Issue date:	11/14/1983
From:	Jones G TENNESSEE VALLEY AUTHORITY
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II)
References
NUDOCS 8311220295
Download: ML20082D025 (1)

Text

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TELECOPY TO NRC Nov. 14, 1983 Co p U. S. Nuclear Region II Regulator 0

{3 N s,igiog g . } g 101 Marietta Street, NW Suite 3100 Atlanta, Georgia 30303 I

BFRO-50-260-83074

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Reported under Technical Specification 6 7.2.a.5 TelecoDy Date 11/14/83 Time 1330 Telechqng: IAta: 11/10/83 Time 1905 Person Contacted: O. Merrill Date of Occurrence: 11/10/83 Time of Occurrence: 1006 Unit 2 Technical Specification Involved: 3 5.E Conditions Prior to Occurrence Approximately 100% steady-atate operation Unit scrammed

• l l Identification and DescriDtion of Occurrence HPCI automatic start due to Lo Lo water level HPCI isolated due to failure of exhaust rupture disc ADDarent Cause of Occurrence:

Unknown None Corrective Action Taken or Planned:

Maintenance request issued to replace ruptured disc. Maintenance complete and cperability surveillance performed by 2245 hours0.026 days <br />0.624 hours <br />0.00371 weeks <br />8.542225e-4 months <br /> on 11/10/83 Investigation into the root cause continues.

l h- W G. .J es Po er lant Superintendent Br s Ferry Nuclear Plant g pg y?

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