ML18024A536

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Forwards RO#50-296/7822
ML18024A536
Person / Time
Site: Browns Ferry Tennessee Valley Authority icon.png
Issue date: 11/08/1978
From: Fox H
TENNESSEE VALLEY AUTHORITY
To: James O'Reilly
NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II)
Shared Package
ML18024A537 List:
References
NUDOCS 7811160099
Download: ML18024A536 (3)


Text

REGULATORY FORMATXON DX STRX BUTION TEM DOCKET NBR: 50 296 BRO>~S PER DOC DATE- 781108 RECXPIENT: O<REILLY J.P. ACCESSION NBR:

ORXGINATOR: POZ H. S. COPIES RECEIVED:

COMPANY NAME: TN VALLEY AUTH LTR 1 ENCL

SUBJECT:

SI ZE: 1+1 R0050-296 7822 on 780822: durin startu a 3% thermal pwr, MSRV 1-4 opened 6 did not, reclose corn letel resultin in excessive vessel cooldown rate, due a arentl to excessive ilot second-stage leakage in the valve's.

NOTARIZED DISTRfBUTION CODE> -8002 DISTR I BUT ION TI ~LE ).

INCIDENT REPORTS ENCLV FOR ACTION w/4 ENCL '

ORB 3 BC REG w/ENCL PDR <</Et4CL I L w/2 ENCL MIPC '8/3 ENCL I L C SYSTEMS SR W/F.NCL NOVAK/CHECK W/ENCL EEB <</ENCL AD FOR ENG l" /F.NCL

)

PLANT SYSTEMS BP w/I NCL HANAUFR <</ENCL

. AD FOR PLANT SYSTEMS w/ENCL AD FOR SYS L PRDJ w/ENCL REACTOR SAFETY BR W/ENCL ENGINEERING BR W/ENCL KREGER/J,'OLL I>>S w/FNCL POHER SYS BR w/ENCL E. Jordan w/ENCL LPDR w/ENCL NSIC w/ENcL

'CRS W/i6 ENCL TOTAL NUMBER OF COPIES REQUIREDI LTR ENCL NOTES: HEAD TO HEAD

$ 0$ ] l Sl~

1978

TENNESSEE VALLEY AUTHORIT~

CHATTANOOGA. TENNESSEE 37401 November 8, 1978 tfkggtg(gP~f PP'%~'>O'a