 | GEnx-1B SERVICE BULLETIN - 72-0198 R02 | Revised: 01/13/2016 |
| SB 72-0198 R02 ENGINE - General (71-00-00) - PIP 2 Fire Support Nozzle Redesign | Issued: 05/13/2014 | |
| GEnx-1B SERVICE BULLETIN - 72-0198 R02 | Revised: 01/13/2016 |
| SB 72-0198 R02 ENGINE - General (71-00-00) - PIP 2 Fire Support Nozzle Redesign | Issued: 05/13/2014 | |
| GE PROPRIETARY INFORMATION | |
| The information contained in this document is GE proprietary information and is disclosed in confidence. It is the property of GE and shall not be used, disclosed to others or reproduced without the express written consent of GE, including, but without limitation, it is not to be used in the creation, manufacture, development, or derivation of any repairs, modifications, spare parts, designs, or configuration changes or to obtain FAA or any other government or regulatory approval to do so. 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 EAR controlled pursuant to 15 CFR Parts 730-774 respectively. Transfer 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 (e.g., License, exemption, NLR, etc.), is strictly prohibited. | |
| Copyright (2016) General Electric Company, U.S.A. |
| TRANSMITTAL INFORMATION |
| REVISION 2 TO SERVICE BULLETIN 72-0198 |
| Revision 2 is issued to update paragraphs 1., PLANNING INFORMATION and 3., ACCOMPLISHMENT INSTRUCTIONS. |
| Revision 1 was issued September 25, 2014. The original was issued May 13, 2014. Revision bars in the left margin identify changes. |
| 1. | PLANNING INFORMATION |
| A. | Effectivity |
|
| All production (ESN 956-272 thru 946-297) and test engines (ESN 946-198, 956-199, 946-200, 956-201, and 956-202) affected will be retrofitted with the fire support nozzle and cap via flight test service instructions (FTSI) and field engineering instruction (FEI). |
| This Service Bulletin has been introduced in production to these GEnx-1B engines: |
| • |
|
| These serial numbers are the best available data. |
| The fire support nozzle P/N ER5329G01 and tube cap P/N J1315G108 are affected by this Service Bulletin. |
| B. | Description |
| This Service Bulletin releases a new EBU FD kit P/N 738L103G04 with a new fire support nozzle P/N ER6434G01. |
| C. | Compliance |
| Category 7 |
| GE recommends that you do this Service Bulletin at customer's convenience or option. |
| NOTE: |
|
| D. | Concurrent Requirements |
| None. |
| E. | Reason |
| (1) | Objective: |
| To introduce a new part. |
| (2) | Condition: |
| The current fire suppression nozzle system no longer meets the minimum requirements for performance improvement package (PIP) 2 engines. |
| (3) | Cause: |
| Retesting of the fire extinguisher system was needed to verify continued acceptability with the PIP 2 configuration. Test results showed this design does not meet PIP 2 requirements. |
| (4) | Improvement: |
| The new proposed design for the fire support nozzle meets fire extinguisher certification requirements for PIP 2 configuration. |
| (5) | Substantiation: |
| Substantiation is by test and administrative changes. |
| F. | Approval |
| The data contained in this Service Bulletin has been reviewed by the appropriate governmental authority and the repair(s) and modification(s) herein comply with the applicable Aviation Regulations and are APPROVED for installation in the model(s) listed in this Service Bulletin. |
| G. | Manpower |
| No additional man-hours are required to comply with this Service Bulletin. |
| H. | Weight and Balance |
| The complete compliance with this Service Bulletin decreases weight by 0.16 lb (0.07 kg). |
| I. | References (Use the latest version of this document) |
| GEK 112864, GEnx-1B Engine Illustrated Parts Catalog (EIPC) |
| NOTE: |
|
| J. | Publications Affected |
| GEK 112864, GEnx-1B Engine Illustrated Parts Catalog (EIPC) |
| K. | Interchangeability |
| Qualified interchangeability. |
| The proposed and superseded configurations must be introduced in complete engine sets. Mixing the details of the proposed and superseded configurations in the same engine is not permitted. |
| L. | Software Accomplishment Summary |
| Not applicable. |
| 2. | MATERIAL INFORMATION |
| A. | Material - Price and Availability |
| (1) | Parts necessary to do this Service Bulletin: |
|
| NP = Not Provisioned |
| *Part not supplied by GE Engine Services Distribution L.L.C. To procure parts, contact the following: |
|
| NOTE: |
|
| (2) | Other Spare Parts: |
|
| NP = Not Provisioned |
| *Part not supplied by GE Engine Services Distribution L.L.C. To procure parts, contact the following: |
|
| NOTE: |
|
| (3) | Consumables: |
| None. |
| B. | Industry Support Information |
| None. |
| C. | Configuration Chart |
|
| Operation Codes DE=Delete RE=Replace RM=Remains RW=Rework |
| Change Codes 5=Qualified interchangeability. Refer to paragraph 1.K., Interchangeability. |
| Support Codes A=Old parts will no longer be supplied. |
| D. | Parts Disposition |
| None. |
| E. | Tooling - Price and Availability |
| None. |
| 3. | ACCOMPLISHMENT INSTRUCTIONS |
| A. | Removal of the Old Fire Support Nozzle |
| (1) | Remove the old fire support nozzle (05-010, 71-00-00) as follows: |
| CAUTION: |
|
| (a) | Remove the B-nut that firmly attaches the old fire support nozzle (05-010) to the fire suppression tube (25-060, 72-00-00). |
| (b) | Remove the two machine bolts (25-090) that attach the old fire support nozzle (05-010, 71-00-00) to the fire suppression support bracket (25-200, 72-00-00) and remove the old fire support nozzle (05-010, 71-00-00) from the engine. |
| NOTE: |
|
| B. | Installation of the New Fire Support Nozzle |
| (1) | Install the new fire support nozzle (05-011, 71-00-00) as follows: |
| (a) | Put the new fire support nozzle (05-011) onto the fire suppression tube (25-060, 72-00-00) and fire suppression support bracket (25-200). |
| (b) | Thread the new fire support nozzle (05-011, 71-00-00) B-nut onto the fitting on the fire suppression tube (25-060, 72-00-00) finger tight only. |
| (c) | Align the new fire support nozzle (05-011, 71-00-00) boltholes with the nut plates in the fire suppression support bracket (25-200, 72-00-00) and install two machine bolts (25-090) finger tight only. |
| CAUTION: |
|
| (d) | Torque the B-nut that connects the new fire support nozzle (05-011, 71-00-00) to the fire suppression tube (25-060, 72-00-00) to 78.2 to 91.8 lb ft (106.0 to 124.4 Nm). |
| (e) | Torque the two machine bolts (25-090) to 59.8 to 70.2 lb in. (6.7 to 7.9 Nm). |