ML040710574

February 2004 Monthly Operating Report for Callaway Unit 1

ML040710574
Person / Time
Site:	Callaway
Issue date:	03/03/2004
From:	Keith Young AmerenUE
To:	Document Control Desk, Office of Nuclear Reactor Regulation
References
ULNRC04958
Download: ML040710574 (4)

Text

- He AmerenUE PO Box 620 Callaway Plant Fulton, MO 65251 March 3, 2004 U. S. Nuclear Regulatory Commission Attn: Document Control Desk Mail Stop P1-137 Washington, DC 20555-0001 YAmeren Ladies & Gentlemen:

ULNRC04958 UF DOCKET NUMBER 50-483 UNION ELECTRIC CO.

CALLAWAY PLANT UNIT 1 FACILITY OPERATING LICENSE NPF-30 MONTHLY OPERATING REPORT FEBRUARY/2004 The enclosed Monthly Operating Report for February/2004 is submitted pursuant to Section 5.6.4 of the Callaway Unit 1 Technical Specifications.

ith D.Young Manager, Regulatory Affairs KDY/JER/slk Enclosure a subsidiary ofAmeren Corporation

- 4 ULNRC04958 March 4, 2004 Page 2 cc: Mr. Bruce S. Mallett Regional Administrator U.S. Nuclear Regulatory Commission Region IV 611 Ryan Plaza Drive, Suite 400 Arlington, TX 76011-4005 Senior Resident Inspector Callaway Resident Office U.S. Nuclear Regulatory Commission 8201 NRC Road Steedman, MO 65077 Mr. Jack Donohew (2 copies)

Licensing Project Manager, Callaway Plant Office of Nuclear Reactor Regulation U. S. Nuclear Regulatory Commission Mail Stop 7E1 Washington, DC 20555-2738 Missouri Public Service Commission Governor Office Building 200 Madison Street P.O. Box 360 Jefferson City, MO 65102-0360

Enclosure ULNRC04958 March 4,2004 DOCKET NO.: 50-483 UNIT NAME: CALLAWAY UNIT I COMPLETED BY: J. E. Ready TELEPHONE: 573/676-8617 FAX: 573/6764202 REPORTING PERIOD: FEBRUARY/2004 I. DESIGN ELECTRICAL RATING (MWe-Net): 1171

2. MAX. DEPEND. CAPACITY (MWe-Net): 1125 THIS MONTH YR TO DATE CUMULATIVE

3. NUMBER OF HOURS REACTOR WAS CRITICAL 363.23 1,076.86 151,022.86

4. HOURS GENERATOR ON-LINE 347.12 1,054.99 149,048.99

5. REACTOR RESERVE SHUTDOWN HOURS 0.0 0.0 0.0

6. NET ELECTRICAL ENERGY GENERATED (MWH) 377,137 1,195,915 164,439,754 Page 1 of 2

Enclosure ULNRC04958 March 4, 2004 UNIT SHUTDOWNS DOCKET NO.: 50-483 UNIT NAME: CALLAWAY UNIT I COMPLETED BY: J. E. Ready TELEPHONE: 573/676-8617 FAX: 573/6764202 REPORT: February/2004 TYPE METHOD OF CORRECTIVE F: FORCED DURATION SHUTTING DOWN ACTIONS/

NO. DATE S: SCHEDULED (HOURS) REASON THE REACTOR COMMENTS 402 02/03/04 F 298 A 3 403 02/15/04 F 51 G 3

SUMMARY

At 04:39 on 02-03-04, Callaway Plant experienced an unexpected reactor trip. It was determined that the switch yard output breakers opened due to a protective relay failure. The plant was returned to service at 15:00 on 02-15-04. This event will be reported in accordance with 10 CFR 50.73.

At 15:25 on 02-15-04, Callaway Plant experienced an unexpected reactor trip. The trip was due to low steam generator water level. The plant was returned to service at 17:56 on 02-17-04.

This event will be reported in accordance with 10 CFR 50.73.

REASON METHOD A: EQUIPMENT FAILURE (EXPLAIN) 1: MANUAL B: MAINT. OR TEST 2: MANUAL SCRAM C: REFUELING 3: AUTOMATIC SCRAM D: REGULATORY RESTRICTION 4. CONTINUATION E: OPERATOR TRAINING / LICENSE EXAMINATION 5: OTHER (EXPLAIN)

F: ADMINISTRATIVE G: OPERATIONAL ERROR (EXPLAIN)

H: OTHER (EXPLAIN)

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