ML20016A220

Carrier - Interim Report/Notification of Defect Pursuant to 10 CFR Part 21

ML20016A220
Person / Time
Site:	Mcguire, McGuire
Issue date:	01/10/2020
From:	Kwasigroch D Carrier Corp
To:	Document Control Desk, Office of Nuclear Reactor Regulation
References
Download: ML20016A220 (3)

Text

Commercial HV AC North American Parts Carrier Parkway, TR5 Syracuse, NY 13221 U.S. Nuclear Regulatory Commission One White Flint North 11555 Rockville Pike Rockville, MD 20852-2738 January 10, 2020

Subject:

Interim Report/Notification of Defect Pursuant to 10 CFR Part 21 Reference (A): Duke Energy Carolinas, LLC (Duke Energy)

McGuire Nuclear Station (MNS), Units I and 2 Request for Determination of 10 CFR 21 Reportability Nuclear Condition Report (NCR) 2300622 Reference (B): Carrier I 7F A999- l 200- l 07 Oil Pump Duke Catalog Identification Number: 157183 Duke Energy UTC Numbers: 30110654, 30078287

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The following infonnation is provided pursuant to the requirements of l O CFR Part 21 to report a defect that could lead to a substantial safety haz.ard (SSH).

Dpke Energy, Notice Duke Energy via Mr. James M. Smith issued a letter to Carrier Corporation's Customer Service Organization on November 21, 2019 reporting that on November 4, 2019, a Carrier 17FA999-1200-l 07 Oil Pump (Duke Energy UTC Number 30110654) failed rendering one train of the Control Room Area Chilled Water System inoperable.

A failure investigation by Duke Energy representatives' determined that the oil pump, which had been in service for less than two* months, had a broken shaft and failed due to improperly assembled oil pump motor assembly.

The failed oil pump and a replacement (spare) oil pump in the warehouse (Duke Energy UTC Number 30078287) both had loose fasteners and unstaked alignment pins.

Prior Corrective ActioM Prior to Duke Energy's November 21, 2019 notice, Carrier issued a corrective action to our supplier on April 28, 2017 to address failures with a different non-safety related oil pump (Carrier Model l 7F AS12-968) at a non-nuclear facility. The corrective action applied to all 17FA oil pump assemblies supplied to Carrier after April 28, 2017, including both safety and non-safety related oil pumps. The corrective action consisted of cleaning of threaded holes and application of red Loctite, ensuring specified torque requirements are met using a calibrated digital torque wrench, and verifying the staking operation. Both

Commercial HV AC North American Parts Carrier Parkway, TR5 Syracuse, N'/ 13221

. oil pump issues described by Duke Energy in the November 21, 2019 notice concerned oil pumps built prior to the April 28, 2017 corrective action. We are not aware of reports of any other defects in pumps in the same series in either nuclear or non-nuclear applications built since the corrective action.

10 CFR §21.21 Interim Report Details (i) Name and address of the individual or individuals informing the Commission.

David F. Kwasigroch Carrier Corporation Carrier Parkway TR5 Syracuse, New Yark 13221 (ii) Identification of the facility, the activity, or the basic component supplied for such facility or such activity within the United States which fails to comply or contains a defect.

Duke Energy- McGuire Nuclear Station 12700 Hagers Ferry Road Huntersville, NC 28078 Supplied Component- Carrier 17F A999-l 200- l 07 Oil Pumps (Duke Energy UTC Numbers 30110654,30078287)

(iii) [dentification of the firm constructing the facility or supplying the basic component which fails to comply or contains a defect.

Carrier Corporation Carrier Parkway, TR5 Syracuse, NY, 13221 (iv) Nature of the defect or failure to comply and the safety hazard which is created or could be created by such defect or failure to comply As Guide Pin peening operations were not perfonned correctly and Cover Bolts were not torqued down enough, the two Guide Pins and two Cover Bolts vibrated loose on the Oil Pump Assembly, resulting in failure of the pumps.

(v) The date on which the information of such defect or failure to comply was obtained.

Carrier Customer Service was informed in writing by buke Energy on November 21, 2019.

(vi) In the case of a basic component which contains a defect or fails to comply, the number and location of these components in use at, supplied for, being supplied for, or may be supplied for, manufactured, or being manufactured for one or more facilities or activities subject to the regulatiohs in this part 2

Commercial HV AC North American Parts Carrier Parkway, TR.5 Syracuse, NY" 13221 Two Carrier 17FA999-l200-I07 Oil Pumps (Duke Energy UTC Numbers 30110654, 30078287) were supplied to the McGuire Nuclear Station. Carrier is in the process of investigating its records to determine if any additional affected oil pumps were supplied to other nuclear facilities.

(vii) The corrective action which has been, is being, or will be taken; the name of the individual or organization responsible for the action; and the length of time that has been or will be taken to complete the action.

Carrier will-issue a letter to Duke Energy offering to replace the two failed oil pumps at Carrier's expense. Further, Carrier is in the process of investigating its records to detennine if any additional affected oil pumps were supplied to other nuclear facilities and, if so, will promptly provide notice and corrective action guidance.

(viii) Any advice related to the defect or failure to comply about the facility, activity, or basic component that has been, is being, or will be given to purchasers or licensees.

Carrier is in the process of investigating its records to determine if any additional affected oil pumps were supplied to other nuclear facilities and, if so, will promptly provide notice and corrective action guidance.

(ix) In the case of any early site permit, the entities to whom an early site permit was transferred.

NIA Carrier will provide a final report to the U.S. Nuclear Regulatory Commission no later than March 11, 2020. If you have questions regarding this matter, please contact the undersigned.

fi)11v David Kwasigroch Associate Di~tor ngineering Carrier Safety Review Committee Direct Telephone: (315)-432-3461 Email: dave.kwasigroch@carrier.com cc: Jim Komemann (RC) Director Walter J. Hunston III (RC) Legal ,

Document Control Desk, U.S. Nuclear Regulatory Commission, Washington, DC 20555-0001 (01-14-20) 3