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 72-32-73-300-001 LPC Bleed Valve Synchronizing Ring - Repair Surface Damage, Repair-001 (VRS1335)
General
Price and availability - none
The practices and processes referred to in the procedure by the TASK numbers are in the SPM.
NOTE
Preliminary Requirements
Pre-Conditions
NONESupport Equipment
NONEConsumables, Materials and Expendables
| Name | Manufacturer | Part Number / Identification | Quantity | Remark |
|---|---|---|---|---|
| CoMat 01-275 CHROMATE CONVERSION COATING FOR ALUMINIUM | LOCAL | CoMat 01-275 | ||
| CoMat 05-020 WATERPROOF SILICON CARBIDE | LOCAL | CoMat 05-020 | ||
| CoMat 05-021 WATERPROOF SILICON CARBIDE | 44197 | CoMat 05-021 |
Spares
NONESafety Requirements
NONEProcedure
Surface finish of the repair must be the same as the adjacent area.
Refer to Figure.
Refer to the SPM TASK 70-35-03-300-501.
Use abrasive stones or papers and/or fine file.
Scallop, make smooth and/or hand polish to remove the nicks and the scratches.
SUBTASK 72-32-73-350-051 Remove the Damage from the Synchronize Ring Assembly
Refer to TASK 72-32-73-200-000 (INSPECTION/CHECK-000).
Visually examine the repaired area.
SUBTASK 72-32-73-220-055 Examine the Synchronize Ring Assembly
Make sure there are no cracks in the repaired area.
Refer to the SPM TASK 70-23-05-230-501.
Fluorescent penetrant examine the repaired area.
SUBTASK 72-32-73-230-051 Examine the Synchronize Ring Assembly for Cracks
Refer to the SPM TASK 70-11-26-300-503.
Use a clean cloth which is moist with degreasing fluid and make clean the repaired area.
Remove the grease from the repaired area.
SUBTASK 72-32-73-110-052 Remove the Grease from the Synchronize Ring Assembly
Refer to the SPM TASK 70-38-02-300-503.
Apply the chromate conversion coating to the repaired area.
SUBTASK 72-32-73-330-051 Apply the Surface Protection to the Synchronize Ring Assembly
Figure: Synchronize ring assembly - blend limit
Synchronize ring assembly - blend limit
