ML20052C139

LER 82-014/03L-0:on 820326,28 & 0408,B Train Chlorine Detector Declared Inoperable Due to Detector Tape Not Advancing.Caused by Movement Indicator Binding Detector Tape & Sheared Pin in Tape Drive Mechanism

ML20052C139
Person / Time
Site:	Farley
Issue date:	04/22/1982
From:	Hairston W ALABAMA POWER CO.
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II)
Shared Package
ML20052C134	List: ML20052C133 ML20052C135 ML20052C137 ML20052C139 ML20052C140
References
LER-82-014-03L-01, LER-82-14-3L-1, NUDOCS 8205040416
Download: ML20052C139 (2)

Text

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At 0230 on 3/26/82, 0100 on 3/28/82 and 0630 on 4/08/82, the "B" train chlorine detector l _.

[ol3l l was declared inoperable due to the detector tape not advancing. Tech. Spec. 3.3.3.6, ini 1014 l I part, requires the chlorine detector to be operable. Tech. Spec. 3.3.3.6 action l l o i s l l statement requirements were met. Health / safety of the public was not affected. l i

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CAUSE DESCRIPTION AND CORRECTIVE ACTIONS h l i j o l lThese events were attributable to the movement indicator binding the detector tape and a l Following adjustments to the movement indicatoT'  !

I1 I i I l sheared pin in the tape drive mechanism.

g l and the take up reel, the tape advanced properly and the "B" train chlorine detector was !

, g l declared operable at 0710 on 3/26/82 and at 1100 on 3/28/82. Following recurrence of l 1 g I this event on 4/08/82, further investigation revealed that a pin in the tape drive I i 7 8 9 80 STA S %POWEn OTHER STATUS DISC RY DISCOVERY DESCRIPTION l d W h l1l0l0l@l 7 8 9 to 12 11 NA 44 l (,_Aj@[

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NAME Or PREPARER PHONE:

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LEn 82-014/03L-0 CAUSE DESCRIPTION AND CORRECTIVE ACTIONS mechanism had sheared. The pin was replaced and the "B" train chlorine detector was declared operable at 1640 on 4/08/82.