ML20102B081

Part 21 Rept Re Listed Defects W/Elgar Inverters During Testing.Licensee Plans to Correct Defects Before Placing Equipment in Svc.Written Rept to Be Submitted within 30 Days

ML20102B081
Person / Time
Site:	Comanche Peak
Issue date:	05/13/1992
From:	Skiba TEXAS UTILITIES ELECTRIC CO. (TU ELECTRIC)
To:	Jolliffe NRC OFFICE FOR ANALYSIS & EVALUATION OF OPERATIONAL DATA (AEOD)
References
REF-PT21-92 NUDOCS 9207280159
Download: ML20102B081 (1)

Text

POWER REACTCR EVENT 11 UMBER: 23451 l FACILITY: COMANCHE P AK REGION: 4 110TIFICATIOli DATE: 05/13/92  ;

UNIT: ( ) (2) , ) STATE: TX NOTIFICATION TIME: 10:44 (ET) l RX TYPE: (1) W-4-LP,(2) W-4-LP EVEllT DATE: 04/04/92 l EVENT TIME: 11:00(CDT) l NRC llOTIFIED BY: SKIBA LAST UPDATE DATE: 05/13/92 (

HQ OPS OFFICER: DICK JOLLIFFE

-- 110TIFICATIO!!S EMERGENCY CLASS: NOT APPLICABLE GARY SANBORN RDO 10-CFR SECTION:

CDEF 21.21(b) (2) DEFECTS /MO!JCOMPLIANCE i -

CURR RX MODE l UNIT SCRAM CODE RX CRIT INIT PWR INIT RX MODE CURR PWR N' 0 UllDER CO!1STRUCT 0 U!1 DER CO!!STRUCT 3 11 EVENT TEXT LICENSEE DISCOVERED THE FOLLOWING DEFECTS WITH ELGAR INVERTERS FOR UNIT 2 DURING TESTING:

1. FAILURE IN INVF'tTER CONTROL CIRCUIT #J 7

2. MASSING UPGRADE ON CIRCUIT BOARD ^

3. INCORRECTLY WOUND TRANSFORMER O!1 CIRCUIT BOARD

4. MISSING PARTS ON CIRCUIT BOARD /J2

5. POOR CRIMP CONNECTIONS

6. -INCORRECTLY SUPPLIED PARTS

7. WIRING ERRORS.

LICENSEE PLANS TO CORRECT THESE DEFECTS BEFORE PLACING THIS EQUIPMENT IN SERVICE (SDAR CP-92-004, SN-511, TSL/TUS-92070).

f LICENSEE WILL SUBMIT A WRITTEN REPORT WITHIN 30 DAYS.

LICENSEE WILL INFcRM THE NRC RESIDENT INSPECTOR. =- -

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