Export Control
EAR Export Classification: Not subject to the EAR per 15 C.F.R. Chapter 1, Part 734.3(b)(3), except for the following Service Bulletins which are currently published as EAR Export Classification 9E991: SBE70-0992, SBE72-0483, SBE72-0580, SBE72-0588, SBE72-0640, SBE73-0209, SBE80-0024 and SBE80-0025.Copyright
© IAE International Aero Engines AG (2001, 2014 - 2021) The information contained in this document is the property of © IAE International Aero Engines AG and may not be copied or used for any purpose other than that for which it is supplied without the express written authority of © IAE International Aero Engines AG. (This does not preclude use by engine and aircraft operators for normal instructional, maintenance or overhaul purposes.).Applicability
All
Common Information
TASK 73-11-49-300-001 Control Fuel Tubes - Blend Repair Surface Damage, Repair-001 (VRS6221)
Effectivity
FIG/ITEM | PART NO. | |
11-100 | 6A2110 | |
11-100 | 6A2143 | SBE 70-0023 |
11-100 | 6A5392 | |
12-100 | 6A2113 | |
12-100 | 6A2146 | SBE 70-0023 |
12-100 | 6A5305 | |
12-100 | 6A5304 | |
12-500 | 6A2128 | |
12-500 | 6A2145 | SBE 70-0023 |
13-100 | 6A2111 | |
13-100 | 6A2144 | SBE 70-0023 |
14-100 | 6A2131 | |
14-100 | 6A2147 | SBE 70-0023 |
14-100 | 6A5010 | |
15-100 | 6A2132 | |
15-100 | 6A2148 | SBE 70-0023 |
15-100 | 6A5011 | |
16-100 | 6A2124 | |
16-100 | 6A2149 | SBE 70-0023 |
16-100 | 6A5012 | |
18-100 | 6A2127 | |
18-100 | 6A2151 | SBE 70-0023 |
19-100 | 6A2117 | |
19-100 | 6A2150 | SBE 70-0023 |
19-500 | 6A2119 | |
19-500 | 6A2152 | SBE 70-0023 |
Material of component
PART IDENT | SYMBOL | MATERIAL |
Tube | EBS | Chromium/nickel steel tube |
Adapter | EAF | Chromium/nickel steel |
General
This repair must only be done when the instruction to do so is given in 73-11-49 Inspection/Check.
The practices and processes referred to in the procedure by the TASK number are in the SPM.
NOTE
Preliminary Requirements
Pre-Conditions
NONESupport Equipment
NONEConsumables, Materials and Expendables
| Name | Manufacturer | Part Number / Identification | Quantity | Remark |
|---|---|---|---|---|
| CoMat 05-106 ABRASIVE STONE | K6835 | CoMat 05-106 | ||
| CoMat 05-110 EMERY POLISHING PAPER | 0AM53 | CoMat 05-110 | ||
| CoMat 05-111 EMERY POLISHING PAPER | 06565 | CoMat 05-111 | ||
| CoMat 06-022 FLUORESCENT PENETRANT (POST-EMULSIFIED ULTRA HIGH SENSITIVITY) | LOCAL | CoMat 06-022 |
Spares
NONESafety Requirements
NONEProcedure
Refer to Figure.
The diameter of the repaired area(s) is to be 50 times the depth.
The maximum depth of the repaired area (s) is to be 0.004 in. (0.10 mm).
Remove the damaged materials, as necessary. Do not remove more than is necessary. Refer to SPM TASK 70-35-03-300-501.
Make sure all damage marks are completely removed and the area(s) made smooth into the adjacent material.
Make smooth the repaired area(s). Refer to SPM TASK 70-35-03-300-501.
Polish the repaired area area(s) to remove the scratches and to give a smooth surface finish.
Polish the repaired area(s). Refer to SPM TASK 70-35-03-300-501.
SUBTASK 73-11-49-350-065 Remove the Damaged Area(s)
Refer to Figure.
Make sure the maximum depth of the repaired area(s) is not more than 0.004 in (0.10 mm).
Use workshop inspection equipment.
Make a visual inspection of the repaired area(s) and measure the depth of the repaired area(s).
SUBTASK 73-11-49-220-115 Examine the Repaired Area(s)
Use CoMat 06-022 FLUORESCENT PENETRANT (POST-EMULSIFIED ULTRA HIGH SENSITIVITY) with crack test equipment.
Cracks are not permitted.
Do a local penetrant crack test on the repaired area(s). Refer to SPM TASK 70-23-01-230-501.
SUBTASK 73-11-49-230-063 Do a Crack Test
Use pressure test equipment.
Do an air and hydraulic pressure test of the tube. Refer to Testing-001 TASK 73-11-49-700-101.
SUBTASK 73-11-49-780-054 Do a Pressure Test on the Tube
Figure: An Example of an Area to be Repaired
An Example of an Area to be Repaired
