ML19338D165

From kanterella
Jump to navigation Jump to search
PNO-78-147:on 780818,one of Six Air Compressors Experienced Massive Failure Resulting in Rapid Loss of Control Air Pressure to All Units.Caused by Large Hole in Cylinder Head. State of AL Notified.Media Attention Anticipated
ML19338D165
Person / Time
Site: Browns Ferry  Tennessee Valley Authority icon.png
Issue date: 08/18/1978
From: Klinger G, Nolan F, Sniezek J
NRC OFFICE OF INSPECTION & ENFORCEMENT (IE)
To:
References
FOIA-81-159 PNO-78-147, PNO-78-147-1, NUDOCS 8009190765
Download: ML19338D165 (1)


Text

W~

u p.. cn V

PRELIMINARY ::0TIFICATICN

_- =,_- -

August 18, 1978 FRELIMI:iARY NOTIFICATION OF EVENT 07. UNUSUAL OCCURRENCE -- Pfl0-78-147 THs sreif=inary notification constitutes EARLY notice of en event cf FOSSIBLE safe v or 0,u' iic inte. est sienificance.

Tne infor.a: on 07 san!C*o 1s as initialiv received witncu: verification -or syg} Uht101 ar.c is :isicaliy all tna; is krev.n ey li staff as of tnis cate, FACILITY:

Tennessee Valley Authority 0

e[,} m 0

i 0

Browns Ferry, Units 1, 2 and 3 U

U g' Docket Nes. 50-259, 50-260 and 50-296 Athens, Alabama D '3'T V

-b Q

SU3 JECT:

LOSS OF CONTROL AIR PRES 5URE At S:20 a.m. on August IS, one of the six air ccmpressors which su; plies air to all three reactors, suffered a massive failure which resulted in rapid less of centrol air pressure to all three units. ' Both Units 1 and 2 which were operating at nominal full power experienced control reds drifting inward as a result of low air pressure, and both units w:re prenptly manually scrared in accerdance with emergency procedures.

Unit 3 wcs already sht.: cown sc was nc: affected.

The failed cc= presser had a large hole in the cylinder head. The compressor was isolated and startup preparations were imediately initiated for bc h Units 1 and 2.

!'.edia interest is exsected.

The licensee is expected to issue a news release in view of the fact that all three units are in unscheduled shutdown. liRC is censidering a press release.

A Region II inspector is ensite. The Sta:e of Alabama has been notified.

h gica II (2.:1 ants) receivad n:tifi:ation of this occurrence by tEleph:ne frca tn2 ass'.. iran piant sucerintencar.: at 10:00 a.m.

on August 18.

This infonnation is current as of 10:00 a.m. on August 18.

Contact:

GKlingler, It x23019 FNolan. IE x28019 JSniezek, IF x28019 Distribution:

Transmitted H St 4?/i unairman nandrie Comissioner Bradford S. J. Chilk, SECY Ccmissicner Kennedy Commissioner Ahearne C. C. Kamerer CA Comissioner Gilinsky (For Distribution)

Transeitted:

MR23 / *A1 P Bldg J. G. Davis, IE L. V. Gossick E00 H. R. Centon, HRR Region S. H. Hanauer, EDO (MAIL)

J. J. Feuchard, PA SS Bldg

0. G. Abston, OIA N. 'i. Haller, MpA C. V. Sm :n, MMSS R. G. Ryan, OSP R. !'.incgue, G H. K. Shapar, ELD PRELIMINARY NCTIFICAT10!{

8 0 091907gg-