ML19350D404

LER 81-032/01T-0:on 810325,auxiliary Bldg Gas Treatment Sys Train a Found Removed from Svc to Reroute Air Line for FCO-30-146B,during Insp of Diesel Generator 2B-B.Caused by Personnel Error.Train Returned to Svc

ML19350D404
Person / Time
Site:	Sequoyah
Issue date:	04/06/1981
From:	Harding M, Kirk G TENNESSEE VALLEY AUTHORITY
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II)
Shared Package
ML19350D399	List: ML19350D398 ML19350D404
References
LER-81-032-01T-01, LER-81-32-1T-1, NUDOCS 8104150438
Download: ML19350D404 (1)

Text

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LICENSEE EVENT REPORT ch.

l \ (PLE ASE PRINT OR TYPE ALL REQUIRED INFORMATIONI CONTROL 8 LOCK: l i

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F O i 8 9 IT I NLICENSit ls I siCOOg Pl 1l@l O to 19 lO! I OLICENSE

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68 99 EVENT OATE 84 It RtPORT D AT E 80 7 0 60 el DOCK E T NUve tM EVENT DESCRIPTION A40 PROS AOLE CONSEOVENCES @

j Q l Unit in mode 1 at 98% RTP. On 3/24/81 at 043M c) . the 2B-B dioRoi ennorene u:iR I

o 3 l removed from service for inspection to fulfull Surveillance Requirement 4.8.1.1.2.c.1.

o . lAt 1325(c), the ABGTS "A train was removed from service to reroute an air line for 1 o ., lFCO-30-146B. On 3/25/81 at 0030(c), it was determined the operability requirements for i "A"

O a I ABCTS could not be met with both the 2B-B diesel generator and the ABCTS train inon-l o , lerable. This reuulted in both the ABGTS trains being inoperable and entry into I g lLCO 3.0.3. There was no effect upon public health or safety. Previous occurrences-nonel NOt C0Ot susC$In CouPoNtNY COOT su'e$"O0s sNCNE E, .

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41 l Zl 9 l 9 l 9 l 44 47 CAUSE OESCRIPTION AND CORRECTIVE ACTIONS FTTT1 IMisinterpretation of Lc0 3.0.5 by the assistant shift engineer resulted in the ABGTS I

, , l"A" train being removed f rom service while the 2B-B diesel cenerator was inoperable. I gg The ABGTS "A" train was returned to service at 0125(c) within the one-hour time of

[LCO 3.0.3.

The requirements of LCO 3.0.5 have been discussed with all shift engineers,.

gassistant shif t engineers, unit Opera tors, and shif t technical advisors.

t * . 4 POWER o1HtR $7ATUS DISC vt OtsCOvtRY DESCRlPTtoN ITTsl U@ l of 918 l@l NA l (_A_j@l Shift Enstineer Observation i AC T P/g T V CONftNT Rf t E Att D Of I'LL[ A4 AMOUNT Ot ACTivtTV LOCAflONO8RtLEASE NA l d b h Wh[

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...... nee ~,..... M. R. Harding /G. B. Kirk e. -r (615) 842-8317

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