ML18024A923

LER 78-022/03L-1 on 781202:during Normal Operation,Reactor Bldg,Turbine Bldg & Refueling Zone Ventilation Exhaust Monitor RM-90-250 Became Inoperable.Caused by Collection of Moisture in Sampling Line of Monitor.Sampling Line Dried

ML18024A923
Person / Time
Site:	Browns Ferry
Issue date:	07/27/1979
From:	TENNESSEE VALLEY AUTHORITY
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II)
Shared Package
ML18024A922	List: ML18024A921 ML18024A923
References
LER-78-022-03L, LER-78-22-3L, NUDOCS 7908020451
Download: ML18024A923 (2)

Text

~ veeE" 9'UIelve 34?o 7

vpQcl 447 12/28/78 Axe pvA'4 t LICEN$EE EVENT REPORT U. UCLEAR REGULATORY COMMISSION CONTROL BI.OCK: (PLEASE PRINT OR TYPE ALL REQUIRED INFORMATIONI QI I 8 7 8 9 A L 8 LICENSEE CODE R F 2 14 Qe 15 0 0 0 0 0 LICENSE NUMBER 0 0 0 0 25 Qe 2G 4 1 1 LICENSE TYPE 1 1 30 Q4~ 57 CAT 58 Qe CON'T 7 8 so~IJRcE MQB 60 61 0 5 0 0 0 DOCKET NUMBER 2 6 00>

68 G9 l 2 0 EVENT DATE 2 " 8QB 74 75 0 7 2 REPORT DATE 7 7 9 80 OB EVENT DESCRIPTION AND PROBABLE CONSEQUENCES QIO

~D 2 Durin normal o eration the reactor buildin turbine buildin and refuelin zone

~03 ventilation exhaust monitor, RM-90-250 became ino erable (T. S ~ 3. 8 ~ B~ 8 ~ There are no redundant systems. Grab sam les were taken and anal zed houri b the chemical laboratory. There was no hazard to the public health or safet . Previous occurrence:

~D 6 50-296/7614.

~O7

~DB 7 8 9 80 SYSTEM CAUSE CAUSE COMP.

CODE SUBCODE VALVE CODE COMPONENT CODE SUBCODE SUBCODE

~OB ~MC Qll X Qle ~Z Qle I N 8 T R 0 Q74 ~X Qle ~Z Qle 7, 8 9 10 11 12 13 18 19 20 SEOUENTIAL OCCURRENCE REVISION

+

REPORT LERIRO EVENT YEAR REPORT NO. CODE Qll 447447 ~?8 21 22 23

~02 24 2

26

+~

27

~03 28 29 TYPE

+L 30 31 NO.

Ql ACTION FUTURE EFFECT SHUTDOWN ATTACHMENT NPRDQ PRIME COMP. COMPONENT TAKEN ACTION ON PLANT METHOD HOURS Q22 SUBMITTED FORM SUB. SUPPLIER MANUFACTURER Os~zQIB ~zQ20 ~zQ21 0 0 0 33 34 35 36 37 0

40

~N 41 Q23 ~~Q24 42

~LQ26 43 44

~ 3 0 5 47 Q

CAUSE DESCRIPTION AND CORRECTIVE ACTIONS Q27 o Moisture collected in the sam lin line of the monitor as a result of abnormal o era-tion of the steam ackin exhauster which caused hi h humidit i e The sampling. line was dried and ur ed re ularl until the steam ackin exhauster 3 was repaired, 4

8 9 80 FACILITY STATUS 98 POWER OTHER STATUS Q METHOD OF DISCOVERY DISCOVERY DESCRIPTION Q32 e 8 Q?e ~09 8 Qee NA ~AQ31 NA 7 8 9 10 12 13 44 45 46 ACTIVITY CONTENT 80 RELEASED OF RELEASE AMOUNT OF ACTIVITY Q LOCATION OF RELEASE Q36 Q34 7 8 9 10 44 45 80 PERSONNEL EXPOSURES NUMBER TYPE DESCRIPTION Q39

~77 ~00 0 Q77 Z Qee NA 7 8 9 11 12 13 PERSONNEL INJURIES 80 NUMBER DESCRIPTIONQ4I

~74 ~00 0 Q44 NA 7 8 9 11 12 80 LOSS OF OR DAMAGE To FACILITY TYPE DESCRIPTION Q43 B ~ZQ42 WA 7 8 9 10 PUBLICITY 80 ISSUED DESCRIPTION ~6 NRC USE ONLY O

8

~gQ44 9 10 gA JlillJJJ I 0

NAME OF PREPARER PHONE: a

<9 o8os os/

0 t J