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██ ██ ALERT SER VICE
BULLETIN
REVISION NOTICE ENGINE — HUB
ASSEMBL Y , 1ST ST AGE LPC ROT OR — VISUAL AND EDDY
CURRENT
INSPECTION OF THE F AN HUB T urbojet Engine Service Bulletin No.
EAGP7-A72-389 Revision No.
4 dated June 14, 2019.
Revision History Original Issue December 19, 2017 Revision 1 dated January 19, 2018 Revision 2 dated April 17, 2018 Revision 3 dated October 18, 2018 Revision 4 dated June 14, 2019 Reason for the Revision T o correct Serial Number WBEUAK3810 to WBDUAK3810 in T able
4.
T o replace Serial Number WBDUAN5612 with WBDUAN5676 in T able
4.
Ef fect of Revision on Prior Compliance None.
Fan Hubs previously inspected to NDIP-1 172 — GP7000 Fan Hub Blade Slot Bottom Manual Eddy Current Inspection (LPC Module Assy , Piece-part or Engine (On-Wing or Of f-Wing) with Fan Blades Removed, Date of Issue:
December 15, 2017 (Original Issue) or January 12, 2018 (Revision A) or April 8, 2018 (Revision B) or September 4, 2018 (Revision C) and to NDIP-1 173 — GP7000 Fan Hub Blade Slot Front Edge Manual Eddy Current Inspection (LPC Module Assy , Piece-part or Engine (On-Wing or Of f-Wing) with Fan Blades Removed), Date of Issue:
January 17, 2018 (Original Issue) or April 9, 2018 (Revision A) have incorporated the requirements of this Service Bulletin.
This is a Complete Revision (Not Applicable to the SGML version) The contents are in accordance with the list of ef fective pages.
All pages have the current revision number .
T echnical changes are marked with black bars.
MODEL
APPLICA TION GP7270, GP7277
BULLETIN ISSUE
SEQUENCE EAGP7 Series A72-389 Page Revision No.
Date 1 thru 25 4 June 14/19 A copy of this Revision Notice and any future revision notices must be filed as a permanent record with your copy of the subject bulletin.
EAGP7-A72-389 Page 1 of 1
No text on this page: it may be a figure. Open the PDF to see it.
██ ██ ALERT SER VICE
BULLETIN ENGINE — HUB
ASSEMBL Y , 1ST ST AGE LPC ROT OR — VISUAL AND EDDY
CURRENT
INSPECTION OF THE F AN HUB MODEL
APPLICA TION GP7270, GP7277
BULLETIN ISSUE
SEQUENCE EAGP7 Series A72-389 A T A NUMBER 72-31-00 ENGINE
ALLIANCE, LLC.
PROPRIET AR Y
INFORMA TION The information contained in this document is Engine Alliance, LLC (“EA”) Proprietary Information and is disclosed in confidence.
It is the property of EA and shall not be used, disclosed to others or reproduced for any purpose, including, without limitation, to design, manufacture or repair parts or to obtain F AA or other government approval to do so, without the express written consent of EA.
Neither receipt nor possession of this document alone, from any source, constitutes such permission.
Unauthorized possession, use, copying or disclosure may result in criminal and/or civil liability .
If consent is given for reproduction in whole or in part, this notice and the notice set forth on each page of this document shall appear in any such reproduction in whole or in part.
This technical data is considered subject to the Export Administration Regulations (EAR) pursuant to 15 CFR Parts 730-774 respectively .
T ransfer of this data by any means to a Non-US Person, whether in the United States or abroad, without the proper U.S.
Government authorization
(i.e.
export license, license exception, NLR), is strictly prohibited.
Export Classification:
EAR ECCN 9E991 Compliance Category 2 EA Distribution Code 2686 l December 19/17 EAGP7-A72-389
REVISION NO.
4 - June 14/19 Page 1 of 25
Summary The purpose of this Alert Service Bulletin is to perform a one time Eddy Current Inspection (ECI) of the 1st Stage Low Pressure Compressor (LPC) Rotor Assembly , referred to as the fan hub, blade slot bottom and blade slot front edge for cracks and to perform a visual inspection of the fan hub for damage.
Analysis of a recent uncontained engine fan rotor event indicates fan hub blade slot bottom/edge ECI and visual inspection for damage is prudent interim action to mitigate potential safety risk.
Fan hub crack indications and damage must be evaluated and managed to the limits and instruction provided herein.
Fan hubs found with damage beyond limits or rejectable ECI crack indications must be removed from service.
NOTE :
This inspection can be done on fan hubs installed in engines (on-wing or of f-wing), on fan hubs at LPC Module Assembly level or fan hubs at piece-part level.
Planning Information Ef fectivity Data Engine Models Applicable GP7270, GP7277 Engine Serial Nos.
— Any engine that has Fan Hub Assembly , PN 5760221 or PN 5760321, with a serial number listed in T able 1, T able 2, T able 3, or T able
4.
NOTE :
Fan Hub Assembly PN 5760221 contains detail Hub PN 5760201.
Fan Hub Assembly PN 5760321 contains detail Hub PN 5760301.
T able 1 GROUP 1 NBDUAH3029 NBDUAH3074 WBDUAH5239 WBDUAH5243 WBDUAH5257 T able 2 GROUP 2 NBDUAH3001 NBDUAH3004 NBDUAH3010 NBDUAH3055 NBDUAH3056 NBDUAH3082 NBDUAH3085 NBDUAH3098 WBDUAH5247 WBDUAH5248 WBDUAJ9292 WBDUAJ9294 WBDUAJ9299 WBDUAJ9301 WBDUAJ9317 WBDUAJ9318 WBDUAJ9323 WBDUAJ9326 WBDUAK3787 WBDUAK3799 WBDUAK3807 WBDUAK3824 WBDUAK3861 WBDUAK3868 WBDUAL5053 WBDUAL5073 WBDUAL5078 WBDUAM5831 WBDUAM5834 WBDUAP1372 NBDUAH3009 NBDUAH3014 NBDUAH3019 NBDUAH3021 NBDUAH3039 NBDUAH3041 NBDUAH3043 NBDUAH3046 NBDUAH3062 NBDUAH3078 WBDUAH5230 WBDUAH5235 WBDUAH5236 WBDUAH5241 WBDUAH5242 l December 19/17 EAGP7-A72-389
REVISION NO.
4 - June 14/19 Page 2 ENGINE
ALLIANCE, LLC
PROPRIET AR Y
INFORMA TION Subject to the export control restrictions on the cover or first page.
T able 3 GROUP 3 NBDUAH3017 NBDUAH3022 NBDUAH3023 NBDUAH3024 NBDUAH3025 NBDUAH3032 NBDUAH3040 NBDUAH3045 NBDUAH3052 NBDUAH3054 NBDUAH3059 NBDUAH3063 NBDUAH3064 NBDUAH3066 NBDUAH3067 NBDUAH3068 NBDUAH3071 NBDUAH3073 NBDUAH3075 NBDUAH3076 NBDUAH3077 NBDUAH3079 NBDUAH3081 NBDUAH3084 NBDUAH3087 NBDUAH3088 NBDUAH3089 NBDUAH3090 NBDUAH3091 NBDUAH3093 WBDUAH5228 WBDUAH5229 WBDUAH5232 WBDUAH5234 WBDUAH5237 WBDUAH5244 WBDUAH5249 WBDUAH5250 WBDUAH5251 WBDUAH5253 WBDUAJ9306 WBDUAJ9307 WBDUAJ9309 WBDUAJ931 1 WBDUAJ9312 WBDUAJ9313 WBDUAJ9321 WBDUAJ9324 WBDUAJ9325 WBDUAJ9328 WBDUAJ9330 WBDUAJ9338 WBDUAJ9339 WBDUAK3794 WBDUAK3801 WBDUAK3805 WBDUAK3817 WBDUAK3822 WBDUAK3831 WBDUAK3836 WBDUAK3840 WBDUAK3846 T able 4 GROUP 4 NBDUAH3002 WBDUAK3851 WBDUAL5125 WBDUAN561 1 NBDUAH3003 WBDUAK3852 WBDUAL5126 [Intentionally Blank] NBDUAH3005 WBDUAK3853 WBDUAM5757 WBDUAN5613 NBDUAH3006 WBDUAK3854 WBDUAM5758 WBDUAN5614 NBDUAH3007 WBDUAK3855 WBDUAM5759 WBDUAN5615 NBDUAH3012 WBDUAK3856 WBDUAM5760 WBDUAN5616 NBDUAH3013 WBDUAK3857 WBDUAM5761 WBDUAN5617 NBDUAH3015 WBDUAK3858 WBDUAM5762 WBDUAN5618 NBDUAH3016 WBDUAK3859 WBDUAM5763 WBDUAN5619 NBDUAH3018 WBDUAK3860 WBDUAM5764 WBDUAN5620 NBDUAH3020 WBDUAK3862 WBDUAM5765 WBDUAN5621 NBDUAH3026 WBDUAK3863 WBDUAM5767 WBDUAN5622 NBDUAH3027 WBDUAK3864 WBDUAM5769 WBDUAN5623 NBDUAH3028 WBDUAK3865 WBDUAM5770 WBDUAN5624 NBDUAH3031 WBDUAK3866 WBDUAM5771 WBDUAN5625 NBDUAH3033 WBDUAK3867 WBDUAM5772 WBDUAN5626 l December 19/17 EAGP7-A72-389
REVISION NO.
4 - June 14/19 Page 3 ENGINE
ALLIANCE, LLC
PROPRIET AR Y
INFORMA TION Subject to the export control restrictions on the cover or first page.
GROUP 4 NBDUAH3036 WBDUAK3869 WBDUAM5773 WBDUAN5627 NBDUAH3042 WBDUAK3870 WBDUAM5774 WBDUAN5628 NBDUAH3048 WBDUAK3871 WBDUAM5775 WBDUAN5629 NBDUAH3049 WBDUAK3872 WBDUAM5776 WBDUAN5630 NBDUAH3051 WBDUAK3873 WBDUAM5777 WBDUAN5631 NBDUAH3053 WBDUAK3874 WBDUAM5778 WBDUAN5632 NBDUAH3057 WBDUAK3876 WBDUAM5779 WBDUAN5633 NBDUAH3060 WBDUAK3877 WBDUAM5780 WBDUAN5634 NBDUAH3065 WBDUAK3878 WBDUAM5781 WBDUAN5635 NBDUAH3069 WBDUAK3879 WBDUAM5782 WBDUAN5636 NBDUAH3080 WBDUAK3880 WBDUAM5784 WBDUAN5639 NBDUAH3083 WBDUAL5028 WBDUAM5785 WBDUAN5640 NBDUAH3086 WBDUAL5029 WBDUAM5786 WBDUAN5641 NBDUAH3094 WBDUAL5031 WBDUAM5787 WBDUAN5642 NBDUAH3095 WBDUAL5032 WBDUAM5788 WBDUAN5643 NBDUAH3096 WBDUAL5033 WBDUAM5789 WBDUAN5645 NBDUAH3097 WBDUAL5034 WBDUAM5790 WBDUAN5646 WBDUAH5223 WBDUAL5035 WBDUAM5791 WBDUAN5647 WBDUAH5224 WBDUAL5036 WBDUAM5792 WBDUAN5648 WBDUAH5245 WBDUAL5037 WBDUAM5793 WBDUAN5649 WBDUAH5252 WBDUAL5038 WBDUAM5794 WBDUAN5650 WBDUAH5254 WBDUAL5039 WBDUAM5795 WBDUAN5651 WBDUAH5255 WBDUAL5040 WBDUAM5797 WBDUAN5652 WBDUAJ9293 WBDUAL5041 WBDUAM5798 WBDUAN5653 WBDUAJ9295 WBDUAL5042 WBDUAM5799 WBDUAN5654 WBDUAJ9296 WBDUAL5043 WBDUAM5800 WBDUAN5655 WBDUAJ9297 WBDUAL5044 WBDUAM5801 WBDUAN5656 WBDUAJ9298 WBDUAL5045 WBDUAM5802 WBDUAN5657 WBDUAJ9300 WBDUAL5046 WBDUAM5803 WBDUAN5659 WBDUAJ9302 WBDUAL5047 WBDUAM5804 WBDUAN5660 WBDUAJ9303 WBDUAL5048 WBDUAM5805 WBDUAN5661 WBDUAJ9304 WBDUAL5049 WBDUAM5806 WBDUAN5662 WBDUAJ9305 WBDUAL5050 WBDUAM5807 WBDUAN5663 l December 19/17 EAGP7-A72-389
REVISION NO.
4 - June 14/19 Page 4 ENGINE
ALLIANCE, LLC
PROPRIET AR Y
INFORMA TION Subject to the export control restrictions on the cover or first page.
GROUP 4 WBDUAJ9308 WBDUAL5051 WBDUAM5808 WBDUAN5664 WBDUAJ9310 WBDUAL5052 WBDUAM5809 WBDUAN5665 WBDUAJ9315 WBDUAL5054 WBDUAM5810 WBDUAN5666 WBDUAJ9316 WBDUAL5055 WBDUAM581 1 WBDUAN5667 WBDUAJ9319 WBDUAL5056 WBDUAM5812 WBDUAN5668 WBDUAJ9320 WBDUAL5057 WBDUAM5813 WBDUAN5669 WBDUAJ9322 WBDUAL5058 WBDUAM5814 WBDUAN5670 WBDUAJ9327 WBDUAL5060 WBDUAM5815 WBDUAN5671 WBDUAJ9329 WBDUAL5061 WBDUAM5816 WBDUAN5672 WBDUAJ9331 WBDUAL5062 WBDUAM5817 WBDUAN5673 WBDUAJ9332 WBDUAL5063 WBDUAM5818 WBDUAN5674 WBDUAJ9333 WBDUAL5064 WBDUAM5819 WBDUAN5675 WBDUAJ9334 WBDUAL5065 WBDUAM5820 WBDUAN5677 WBDUAJ9335 WBDUAL5066 WBDUAM5821 WBDUAN5678 WBDUAJ9336 WBDUAL5067 WBDUAM5822 WBDUAP1327 WBDUAJ9337 WBDUAL5068 WBDUAM5823 WBDUAP1328 WBDUAJ9340 WBDUAL5069 WBDUAM5824 WBDUAP1329 WBDUAK3781 WBDUAL5070 WBDUAM5825 WBDUAP1330 WBDUAK3782 WBDUAL5071 WBDUAM5826 WBDUAP1331 WBDUAK3783 WBDUAL5072 WBDUAM5828 WBDUAP1332 WBDUAK3784 WBDUAL5074 WBDUAM5829 WBDUAP1333 WBDUAK3786 WBDUAL5075 WBDUAM5830 WBDUAP1334 WBDUAK3788 WBDUAL5076 WBDUAM5832 WBDUAP1335 WBDUAK3789 WBDUAL5077 WBDUAM5833 WBDUAP1336 WBDUAK3790 WBDUAL5079 WBDUAM5835 WBDUAP1337 WBDUAK3791 WBDUAL5080 WBDUAM5836 WBDUAP1338 WBDUAK3792 WBDUAL5081 WBDUAM5837 WBDUAP1339 WBDUAK3793 WBDUAL5082 WBDUAM5838 WBDUAP1340 WBDUAK3795 WBDUAL5083 WBDUAM5839 WBDUAP1341 WBDUAK3796 WBDUAL5084 WBDUAM5840 WBDUAP1342 WBDUAK3797 WBDUAL5085 WBDUAM5841 WBDUAP1343 WBDUAK3798 WBDUAL5086 WBDUAM5842 WBDUAP1344 WBDUAK3800 WBDUAL5087 WBDUAM5843 WBDUAP1346 l December 19/17 EAGP7-A72-389
REVISION NO.
4 - June 14/19 Page 5 ENGINE
ALLIANCE, LLC
PROPRIET AR Y
INFORMA TION Subject to the export control restrictions on the cover or first page.
GROUP 4 WBDUAK3802 WBDUAL5088 WBDUAM5844 WBDUAP1347 WBDUAK3803 WBDUAL5089 WBDUAM5845 WBDUAP1348 WBDUAK3804 WBDUAL5090 WBDUAM5846 WBDUAP1349 WBDUAK3806 WBDUAL5091 WBDUAM5847 WBDUAP1350 WBDUAK3808 WBDUAL5092 WBDUAM5848 WBDUAP1351 WBDUAK3809 WBDUAL5093 WBDUAM5849 WBDUAP1352 WBDUAK381 1 WBDUAL5094 WBDUAM5850 WBDUAP1353 WBDUAK3812 WBDUAL5095 WBDUAM5851 WBDUAP1354 WBDUAK3813 WBDUAL5096 WBDUAM5852 WBDUAP1355 WBDUAK3814 WBDUAL5097 WBDUAM5853 WBDUAP1356 WBDUAK3815 WBDUAL5098 WBDUAM5855 WBDUAP1357 WBDUAK3816 WBDUAL5099 WBDUAM5856 WBDUAP1358 WBDUAK3818 WBDUAL5100 WBDUAN5579 WBDUAP1359 WBDUAK3819 WBDUAL5101 WBDUAN5580 WBDUAP1360 WBDUAK3820 WBDUAL5102 WBDUAN5581 WBDUAP1361 WBDUAK3821 WBDUAL5103 WBDUAN5582 WBDUAP1362 WBDUAK3823 WBDUAL5104 WBDUAN5583 WBDUAP1363 WBDUAK3825 WBDUAL5105 WBDUAN5584 WBDUAP1364 WBDUAK3826 WBDUAL5106 WBDUAN5585 WBDUAP1367 WBDUAK3827 WBDUAL5107 WBDUAN5586 WBDUAP1368 WBDUAK3828 WBDUAL5108 WBDUAN5587 WBDUAP1369 WBDUAK3829 WBDUAL5109 WBDUAN5588 WBDUAP1370 WBDUAK3830 WBDUAL51 10 WBDUAN5589 WBDUAP1371 WBDUAK3832 WBDUAL51 1 1 WBDUAN5590 WBDUAP1373 WBDUAK3833 WBDUAL51 12 WBDUAN5591 WBDUAP1374 WBDUAK3834 WBDUAL51 13 WBDUAN5592 WBDUAP1375 WBDUAK3835 WBDUAL51 14 WBDUAN5593 WBDUAP1376 WBDUAK3837 WBDUAL51 15 WBDUAN5594 WBDUAP4728 WBDUAK3838 WBDUAL51 16 WBDUAN5595 WBDUAP4729 WBDUAK3839 WBDUAL51 17 WBDUAN5596 WBDUAP4730 WBDUAK3841 WBDUAL51 18 WBDUAN5597 WBDUAP4732 WBDUAK3842 WBDUAL51 19 WBDUAN5598 WBDUAP4733 WBDUAK3845 WBDUAL5120 WBDUAN5603 WBDUAP4734 l December 19/17 EAGP7-A72-389
REVISION NO.
4 - June 14/19 Page 6 ENGINE
ALLIANCE, LLC
PROPRIET AR Y
INFORMA TION Subject to the export control restrictions on the cover or first page.
GROUP 4 WBDUAK3847 WBDUAL5121 WBDUAN5607 WBDUAP4736 WBDUAK3848 WBDUAL5122 WBDUAN5608 WBDUAP4737 WBDUAK3849 WBDUAL5123 WBDUAN5609 WBDUAK3810 WBDUAK3850 WBDUAL5124 WBDUAN5610 WBDUAN5676 Concurrent Requirements There are no concurrent requirements.
Reason
1.
Problem:
A.
A GP7000 engine experienced an in-flight uncontained fan rotor event.
Analysis indicates interim action is prudent to mitigate potential safety risk.
2.
Cause:
A.
The cause of the uncontained fan rotor event is under investigation.
3.
Solution:
A.
Perform a one time ECI of fan hub blade slot bottom and blade slot front edge for cracks and perform a visual inspection of the fan hub for damage.
Description Do an ECI of the fan hub blade slot bottom and blade slot front edge for cracks and do a visual inspection of the fan hub for damage.
Fan hub ECI crack indications and damage must be evaluated and managed to the limits and instruction provided herein.
Compliance Category 2 Group 1 fan hubs:
EA recommends you perform this Service Bulletin as soon possible but by February 14, 2018.
Group 2 fan hubs:
EA recommends you perform this Service Bulletin as soon possible but by March 14, 2018.
Group 3 fan hubs:
EA recommends you perform this Service Bulletin as soon possible but by October 15, 2018.
Group 4 fan hubs:
EA recommends you perform this Service Bulletin by August 15, 2019 for fan hubs that will have 3,000 Cycles Since New (CSN) or more on August 15, 2019.
For fan hubs that will not have 3,000 CSN or more on August 15, 2019, EA recommends you perform this Service Bulletin before the hub reaches 3,000 CSN.
See T able
5.
T able 5 Fan Hub Cycles Since New (CSN) on August 15, 2019 Comply Before CSN greater than or equal to 3,000 August 15, 2019 CSN less than 3,000 Fan Hub CSN = 3,000 l December 19/17 EAGP7-A72-389
REVISION NO.
4 - June 14/19 Page 7 ENGINE
ALLIANCE, LLC
PROPRIET AR Y
INFORMA TION Subject to the export control restrictions on the cover or first page.
Approval Data The times between inspections specified in Compliance and the inspection procedures specified in the Accomplishment Instructions agree with the applicable Federal A viation Regulations and are F AA-Approved for the engine model(s) given.
The inspection procedures described in this SB are reviewed and technically accepted by Airbus to apply to the Airbus fleet af fected.
This SB does not contain any change information that revises the equipment definition covered by Airbus approved modifications.
Manpower The estimate of man-hours of labor directly necessary to do the intent of this Service Bulletin are as follows:
For Fan Hub In Engine Installed On Aircraft
1.
Necessary to gain and close access ........................................................
3.0 hours
2.
Necessary to perform the visual inspection ...............................................
1.0 hour
3.
Necessary to perform Eddy Current Inspection .....................................
10.0 hours
4.
T otal Necessary Man-hours ...............................................................
....
14.0 hours For Fan Hub In Engine Not Installed On Aircraft
1.
Necessary to perform the visual inspection ...............................................
1.0 hour
2.
Necessary to perform Eddy Current Inspection .....................................
10.0 hours
3.
T otal Necessary Man-hours ...............................................................
.....
1.0 hours For Fan Hub Not Installed In Engine
1.
Necessary to perform the visual inspection ...............................................
1.0 hour
2.
Necessary to perform ECI ...............................................................
.......
10.0 hours
3.
T otal Necessary Man-hours ...............................................................
.....
1.0 hours Clean and FPI Inspect, If Required
1.
Clean and FPI inspect, if required ............................................................
2.0 hours
2.
T otal Necessary Man-hours ...............................................................
......
2.0 hours Blend Repair , If Required (per blend location)
1.
Blend Repair , If Required ...............................................................
..........
2.0 hours
2.
T otal Necessary Man-hours ...............................................................
......
2.0 hours Anti-gallant T ouch-Up Repair , If Required (per repair location)
1.
Anti-gallant T ouch-up Repair , If Required ................................................
6.0 hours
2.
T otal Necessary Man-hours ...............................................................
......
6.0 hours l December 19/17 EAGP7-A72-389
REVISION NO.
4 - June 14/19 Page 8 ENGINE
ALLIANCE, LLC
PROPRIET AR Y
INFORMA TION Subject to the export control restrictions on the cover or first page.
W eight Data No Change.
Electrical Load Data Not Applicable.
Software Accomplishment Summary Not Applicable.
References
1.
Engine Alliance Standard Practices Manual, Part No.
5700139.
2.
Engine Alliance GP7270, and GP7277, Illustrated Parts Catalog, Part No.
5700308.
3.
NDIP-1 172, Revision C — GP7000 Fan Hub Blade Slot Bottom Manual Eddy Current Inspection (LPC Module Assy , Piece-part or Engine (On-Wing or Of f-Wing) with Fan Blades Removed, Date of Issue:
September 4, 2018.
4.
Airbus Aircraft Maintenance Manual (AMM).
5.
GP7000 Series, Engine Manual (EM), Part No.
5700147.
6.
GP7000 Series, CIR Manual, Part No.
5700309.
7.
NDIP-1 173 — Revision A — GP7000 Fan Hub Blade Slot Front Edge Manual Eddy Current Inspection (LPC Module Assy , Piece-part or Engine (On-Wing or Of f-Wing) with Fan Blades Removed), Date of Issue:
April 9, 2018.
8.
NDIP 1 174 — Revision A — GP7000 Fan Hub Replication to Support Local Surface Characterization of the Blade Slot Bottom (LPC Module Assy , Piece-part or Engine (On-Wing or Of f-Wing with Fan Blades Removed)), Date of Issue:
April 10, 2018.
9.
Repair-1, Blend Repair — 1st Stage LPC Rotor Hub Assembly Blade Lock Retaining Lug Aft Edge.
10.
Repair-2, 1st Stage LPC Rotor Hub Assembly — Blade Slot Bottom — Antigallant Compound T ouch-Up Repair .
Publications Changed Engine Alliance GP7270 and GP7277, Illustrated Parts Catalog, Part No.
5700308.
72-31-00, Figure 1 Interchangeability Not Applicable.
Information in the Appendix Alternate Accomplishment Instructions (No) Progression Charts (No) Added Data (Y es) Revision to T able of Limits (No) Inspection Procedures (No) l December 19/17 EAGP7-A72-389
REVISION NO.
4 - June 14/19 Page 9 ENGINE
ALLIANCE, LLC
PROPRIET AR Y
INFORMA TION Subject to the export control restrictions on the cover or first page.
Material Information Material — Cost and A vailability
1.
Part prices were not available at the time of Service Bulletin publication.
Contact Engine Alliance Spares Management & Logistics for firm quotations.
2.
There is no kit provided to do this Service Bulletin.
3.
Part availability information is provided in material data Instructions — Disposition.
Industry Support Program Not Applicable.
The material data that follows is for each engine.
NOTE :
It is possible to use the Chapter/Section and Figure/Item reference number shown below the old part number to find the part in the Illustrated Parts Catalog.
Because there are many dif ferent configurations used, it is frequently necessary to show more than one group of parts.
When this occurs, parts that are interchangeable are shown line-by-line only , unless this is shown dif ferently .
CAUTION :
THE
FOLLOWING MA TERIAL DA T A T
ABLE(S) ARE
ORGANIZED BY
ILLUSTRA TED P AR TS CA T ALOG.
ALL P AR TS IN THE T
ABLE(S) MA Y OR MA Y NOT BE
APPLICABLE T O ALL THE ENGINE MODELS SHOWN IN THE T ABLE HEADING.
YOU MUST REFER T O THE
APPROPRIA TE
ILLUSTRA TED P AR TS CA T ALOG FOR ENGINE MODEL
APPLICABILITY USING THE OLD P AR T NUMBER (PN) AND CA T ALOG
SEQUENCE NUMBER.
F AILURE T O INST ALL THE P AR T(S) IN THE
CORRECT ENGINE MODEL MA Y RESUL T IN A
CONFIGURA TION THA T IS NOT F AA APPROVED.
The material data that follows is for each engine.
For GP7270, GP7277 Engines:
New PN Qty Estimate of Unit Price ($) Keyword Old PN Instructions — Disposition 1 * HUB ASSY — LPC ROT OR, 1STG 5760221 (72-31-00-1-10)
(4)(X) OR 1 * HUB ASSY — LPC ROT OR, 1STG 5760321 (72-31-00-1-10 A)
(4)(X) Modification and Spares Information Estimated part prices are provided when they are available at time of publication.
The Estimate of Unit Price is only for planning purposes and does not constitute a firm quotation.
An asterisk (*) is shown where part pricing information was unavailable.
In either case, contact Engine Alliance, LLC.
Spares Management & Logistics for firm quotations.
Parts Modification Conditions
(4) Do an inspection as specified in the Accomplishment Instructions.
l December 19/17 EAGP7-A72-389
REVISION NO.
4 - June 14/19 Page 10 ENGINE
ALLIANCE, LLC
PROPRIET AR Y
INFORMA TION Subject to the export control restrictions on the cover or first page.