ML18354A742
| ML18354A742 | |
| Person / Time | |
|---|---|
| Site: | Dresden, Browns Ferry, Oconee, Nine Mile Point, Saint Lucie, Grand Gulf, Arkansas Nuclear, Surry, River Bend, Clinton, FitzPatrick, LaSalle  |
| Issue date: | 12/04/2018 |
| From: | Woolard S Engine Systems |
| To: | Document Control Desk, Office of Nuclear Reactor Regulation |
| References | |
| Download: ML18354A742 (7) | |
Text
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ENGINE SYSTEMS, INC.
175 Freight Road Rocky Mount, NC 27804 December 4, 2018 U.S. Nuclear Regulatory Commission Document Control Desk Washington, DC 20555-0001 Telephone: 252/977-2720 Fax: 252/446-1134
Subject:
1 OCFR21 Reporting of Defects and Non-Compliance -
Engine Systems, Inc. Report No. 1 OCFR21-0123, Rev. 0
,:)
EMO Fuel and Soakback Pumps - Potentially Undertorqued Cover Bolts
Dear Sir:
The enclosed report addresses a reportable notification on EMD fuel and soakback pumps.
A copy of the report has been mailed to our affected nuclear customers.
Please sign below, acknowledging receipt of this report, and return a copy to the attention of Document Control at the address above (or, fax to number 252/446-1134) within 10 working days after receipt.
Yours very truly, ENGINE SYSTEMS, INC.
Susan Woolard Document Control Coordinator Please let us know if ANY of your mailing information changes - name of recipient, name of company/facility, address, etc. Mark the changes on this acknowledgment form and send to us by mail or FAX to the number above.
RECEIVED:--------
93 DATE:
Quality Performance With Pride
-,)
ENGINE SYSTEMS, INC.
175 Freight Road, Rocky Mount, NC 27804 Telephone: 252/977-2720 Fax: 252/446-1134 Report No.
10CFR21-0123 Rev. 0:
11/30/18 10CFR21 REPORTING OF DEFECTS AND NON-COMPLIANCE COMPONENT:
EMO fuel and soakback pumps - potentially undertorqued cover bolts SYSTEM:
Emergency Diesel Generator CONCLUSION:
Reportable in Accordance With 1 OCFR21
\\
Prepared By: ~----h
..... ~~~~*
~1 ________
<J Engineering Manager Date:
// / 3o /J fJ Reviewed By: ____ {l,-=---'-/UJr----'~--------
Quality Manager Date:
/J /Jo /,3 Quality Performance With Pride
,.J Report No.
1 OCFR21-0123 Record of Revisions Page:
1 of 1 REV DATE PAGE DESCRIPTION 0
11/30/18 Initial issue.
J I
I
- .,,J Report No.
Revision:
Date:
Page:
Pursuant to 10 CFR 21.21(d)(4), ESI is presenting the required information as follows:
(i) Name and address of the i_ndividual or individuals informing the Commission.
Dan Roberts John Kriesel Quality Manager Engineering Manager Engine Systems Inc.
Engine Systems Inc.
175 Freight Rd.
175 Freight Rd.
Rocky Mount, NC 27804 Rocky Mount, NC 27804 1 OCFR21-0123 0
11/30/18 1 of 2 (ii) Identification of the basic component supplied within the United States which fails to comply or contains a defect.
EMO fuel and soakback pumps of the following part numbers:
Part Number Description 8410219 Fuel Pump, Flanged Connections 8080284 Fuel Pump, Threaded Connections 8417074 Lube Oil Scavenging and Fuel Pump Assembly (16, 20-645E4, E4B),
includes PIN 8410219 8252842 Lube Oil Scavenging and Fuel Pump Assembly (16, 20-645E4),
includes PIN 8080284 8417754 Lube Oil Scavenging and Fuel Pump Assembly (12-645E4, E4B),
includes PIN 8410219 8447715 Fuel Pump and Motor Assembly, includes PIN 8410219 8455818 Soakback Pump and Motor Assemblv 8460815 Lube Oil Soakback and Fuel Pump (iii) Identification of the firm supplying the basic component which fails to comply or contains a defect.
Engine Systems Inc. (ES/)
(iv) Nature of the defect or failure to comply and the safety hazard which is created or could be created by such defect of failure to comply.
ES/ was notified by a nuclear customer of two instances where a bolt was found loose or backed out of the cover of an EMO engine driven fuel pump PIN 8410219. Following notification, ES/ inspected remaining pumps in inventory and found instances where one or more the pump cover bolts were loose or lightly torqued. See Figure 1 below for a visual depiction of the pump and bolts.
Pump Cover Bolts (qty 6) f:{)
Figure 1: Exploded View of Pump P/N 8410219
Report No.
Revision:
1 OCFR21-0123 0
Date:
11/30/18 Page:
2 of 2 EMO fuel pump, PIN 8410219, is commonly used on all 12, 16, and 20-cylinder EMO model 645E4 and E4B engines. The pump is either mechanically driven from the erigine (via the scavenging lube oil pump) or motor driven (as in the case of a backup/redundant fuel pump). The pump transfers fuel oil from the day tank to the fuel injectors to support fuel combustion. Without the supply of fuel oil, the diesel engine is unable to produce power which adversely affects the safety-related operation of the emergency diesel generator set.
(v) The date on which the information of such defect or failure to comply was obtained.
October 24, 2018 (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 regulations in this part.
The extent of condition includes pump PIN 8410219 as well as the part numbers listed in Table 1 in Appendix A. Note that PIN 8080284 is otherwise identical to PIN 8410219 except that the ports are threaded as opposed to flanged.
The scavenging pump assemblies listed are upper level assemblies that contain either PIN 8410219 or 8080284.
The fuel pump and motor assembly utilizes PIN 8410219.
The soakback pump assemblies listed use a pump made by the same manufacturer with similar construction and therefore are included in the extent of condition.
Based on ESl's investigation the issue may extend as far back as 2014.
Therefore, any of the pumps supplied from 2014 through 2018 are considered suspect.
(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.
For all affected customers:
ES! recommends inspecting the bolts of all pumps for proper bolt tightness. Use a torque wrench and ensure all bolts are tightened to 108 to 120 in-lbs (12 to 13 Nm).
This activity should be performed at the earliest opportunity; however, it is more important for the inspection to be performed on newly installed pumps. It is expected that for pumps supplied with low bolt torque, if a problem were to develop it would be in the form of a fuel leak soon after installation.
For pumps that have been successfully installed for several months or years with no detectable leakage, it is less likely that bolt(s) are loose and therefore the urgency of this inspection is reduced.
For ES!:
The dedication procedures for these pumps have been revised or are being revised to add a step to verify proper bolt torque. This will be completed prior to any future shipments. In addition, ES! is in correspondence with the pump manufacturer to implement corrective actions to prevent reoccurrence.
(viii) Any advice related to the potential 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.
Verification of bolt tightness is non-invasive and may be performed with the pump installed (and operating). The bolts are external to the pump and the cover is stationary; there is no impact to pump operation or functionality while performing this inspection.
(
A Report No.
-_.i /
Revision:
0 Appendix A List of Affected Customers Page:
1 of 2
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1 1271os39 8410219 I
8080284 FUEL PUMP, FLANGED CONNECTIONS, FLORIDA POWER & LIGHT-STLUCIE 02313521/00043 00003686221 7
03/27/14 3012408 1.1 12710553 TENNESSEE VALLEY AUTHORITY - BROWN'S FERRY 713665 8410219 4
8002290 I -- ----~-------*-------*--
TENNESSEE VALLEY AUTHORITY - BROWN'S FERRY 713665 8410219 4
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3014817 i 1.1 8497920124 ENGINE DRIVEN
- EXELON - LASALLE 00572185
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- 05/06/16 1 3015350 1.1 12548101 12710734 8591700274 8591700277 SAVANNAH RIVER REMEDIATION LLC SRRA069144
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06/21/18 3018002 1.1 8194960194 1 DUKE ENERGY CAROLINAS LLC-OCONEE NUCLEAR
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! FLORIDA POWER & LIGHT-TURKEY POINT OMAHA PUBLIC POWER DISTRICT FIRST ENERGY CORP - BEAVER VALLEY FUEL PUMP, THREADED CONNECTIONS,
. DOMINION VIRGINIA POWER -SURRY POWER ENGINE DRIVEN
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, EXELON - DRESDEN 10553808 1281504299 3018608 1.1
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, 10/16/18 3018083 1.1
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- 02/28/14 : 3012203 1.1 8194960190 8196760104 8196760106 8195690224 8195690223 8195690229 8193840555 8196760100 8196760105
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___ ; _______ 8194920068 Table 1: List of Affected Customers (continued on next page)
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Report No.
10CFR21-0123 Revision:
0 Appendix A List of Affected Customers Page:
2 of2
! ' Part II.. D.. 't*
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'i. Customer Part 1'
'Qty r C otc:-r 'ESI rl*. --.-_
1
- Pump Serial i escr1p 10n ustomer I
ustomer I
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- 1 me I
!- Number *--i~------ _. ; _..
- __.. -L---*.. ______, __ *............. --~--
.. *......L Numb!!r
. Shipped~-' Ordlj!r.
. ~mber(s) _ 1 j
LUBE OIL SCAVENGING AND FUEL I BMPC - KAPL I 7017027 i 8417074 I
1 1 01/28/14 I 3012288 73.1 i 12548134 j
8417074 PU~l~:!~~~~~:;~~~~:t!~%E:B) r*~;;;~~ ~~~~;~~~~;;;~*:;A~-;~-;; ---*r;~~~;;;------- *-r~~-;481V --- --r*-- -;**-T-~4/05/17*t* ~0163;;**:---~~~-r-125;;;-- ---,
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LUBE OIL SCAVENGING & FUEL PUMP i I
i i
I 8252842 j
ASSEMBLY (16,20-645E4) i OMAHA PUBLIC POWER DISTRICT I 00200846 1 0000133165 1 I
j 10/20/14 i 3012561,
2.1 1
12523773
~---------+-LJ~;;t~::~:;:i:~~~~'C-*-t-*----------------~-------*----~----*-------+-----*-*---J--*--**---l-----+-----J. ___ : ___________ ~
8417754 1
PUMP ASSEMBLY (12*645E4, E4B)
~~~~E~RERGY CAROLINAS LL - OCONEE I 03035494
! 0000330781 l i
1 1
I 06/01/17, 3016321 ;
1.1 I 8492750228 WITH P/N 8410219 FUEL PUMP 1
i I
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--1---------
84477.15 I
FUEL PUMP AND MOTOR ASSEMBLY EXELON -CLINTON POWER PLANT
! 00572667 0000032240 I
2 1
, 02/23/18 3015359 '
11 I
8295750088 8295750089 r
1
- ~~A~ll~~ON VIRGINIA POWER -SURRY POWER 1 4500386340
- 42026328 1
j 10/31/17 ; 3017171 i 1.1 i 8387770061 8455818 SOAKBACK PUMP & MOTOR ASSEMBLY,------------* su ----
0 ---*-*, -----*--*---*-------, ----------
, ------*i- --- -*---, ------ 1 -----* I -------
I
- DOMINION VIRGINIA POWER*
RRY P WER 1 4500394508 42026328 I
2 02106118, 3017306 l l 8489910003 I
I STATION i
I 8487970346 i
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i I
8587900264 8460815 LUBE OIL SOAKBACK AND FUEL PUMP
- ENERGY NORTHWEST
) 00345051 I 0058166535 3
- 01/12/16 3014666 3.1 8497860219
__. + 8493900161... :
8198820094 L. *--..... -- - *...
- ENERGY NORTHWEST
! 00351743
- 0058166535
--*-t 06/25/18 : 3018195 1.1 8198820096
- J. -
Table 1: List of Affected Customers