05000348/LER-1981-010, Updated LER 81-010/03X-1:on 810429 & 30,containment Atmosphere Radioactivity Monitoring Sys R-11 Declared Inoperable When Filter Paper Did Not Advance.Caused by Paper Spool Slipping on Shaft.Drive Shaft Adjusted

Updated LER 81-010/03X-1:on 810429 & 30,containment Atmosphere Radioactivity Monitoring Sys R-11 Declared Inoperable When Filter Paper Did Not Advance.Caused by Paper Spool Slipping on Shaft.Drive Shaft Adjusted

ML20064H926
Person / Time
Site:	Farley
Issue date:	01/06/1983
From:	Hairston W ALABAMA POWER CO.
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II)
Shared Package
ML20064H823	List: 05000348/LER-1981-010, Updated LER 81-010/03X-1:on 810429 & 30,containment Atmosphere Radioactivity Monitoring Sys R-11 Declared Inoperable When Filter Paper Did Not Advance.Caused by Paper Spool Slipping on Shaft.Drive Shaft Adjusted
References
LER-81-010-03X, LER-81-10-3X, NUDOCS 8301170461
Download: ML20064H926 (2)

LER-2081-010, Updated LER 81-010/03X-1:on 810429 & 30,containment Atmosphere Radioactivity Monitoring Sys R-11 Declared Inoperable When Filter Paper Did Not Advance.Caused by Paper Spool Slipping on Shaft.Drive Shaft Adjusted

Event date:
Report date:
3482081010R00 - NRC Website

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NRC FORM 366 (7 77) LICENSEE EVENT REPORT

• Previous Report Date 052681 W lUppatpl Rppo*t g (PLEASE PRINT cR TYPE ALL REQUIRED INFORMATION)

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7 8 60 61 , DOCKET NUMBER EVENT DESCRIPTION AND FROBABLE CONSEQUENCES O'o 3 M I At 1950 on 4/29/81 and 1500 on 4/30/81, the containment atmosphere ra i

lo la j l monitoring system (R-11) was declared inoperable due to filter paper The health and safety of the j l o l'41 l Tech. Spec. 3.4.7.1 requires R-11 to be operable.

g j oy I public were not affected by this event.

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M 37 40 41 42 43 4 33 34 36 CAUSE DESCRIPTION AND CORRECTIVE ACTIONS h An 1 i o I R-11 filter oacer was not advancing due to the caner soool sliocino on its shaft.

Followina corrective action R-11 was returned DTi-] l_ adiustment was made to the drive shaft.

A desian chance was initiated 1 i 2 1 to service at 2050 on 4/29/81 and at 2300 on 5/3/81.

Current assessment indicates that 1 1 131 l based on evaluation and testing of similar units.

Supplemental information is j

i 4 l this modification has corrected this recurring problem. 80 l 7 8 9]rovi led% in STAT S POWER the attachment. OTHER STATUS DSO RY DISCOVERY DESCRIPTION Operator observation l NA l [A_J@l s [ 0_J@ l0 l 0 l 0 l@l ACTIVsTY CONTENT LOCATION OF RELEASE AMOUNT OF ACTIVITY l l NA i e 84EW LE ASED@OF RE LE ASEW@l NA l PERSONNEL EXPOS ES NUf.aBE 1 TYPE DESCRIPTION J l 0 l 0 l 0 j@W@l 4A

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LER 81-010/03/X-1 (Report Date 1-6-83 CAUSE DESCRIPTION AND CORRECTIVE ACTIONS (Continued) i i

In accordance with Tech. Spec. 3.4.7.1 Action Statement requirements, grab samples were taken following the event on 4-30-81. However, it was deter-mined on November 18, 1982 that the grab sample system utilized for those samples at that time probably did not function properly during the sam-pling. The malfunction was not detected at that time since FNP Unit 2 had not reached initial criticality when the samples were taken and the sample results indicating no activity were consistent with the expected condition.

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