DMC:V2500-A5-72-32-3501-02A-649A-CIssue No:001.00Issue Date:2013-11-01
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
V2500-A5
Common Information
TASK 72-32-35-300-007 Front Bearing Compartment Rear Air Seal Assembly - Blend Repair, Repair-007 (VRS1854)
General
This repair TASK gives the procedure for blending the seals
Price and availability
Refer to IAE for any of these items
Tools
Repair parts
The practices and processes referred to in the procedure by the TASK numbers are in the SPM
Preliminary Requirements
Pre-Conditions
NONESupport Equipment
| Name | Manufacturer | Part Number / Identification | Quantity | Remark |
|---|---|---|---|---|
| Fluorescent Penetrant Inspection Equipment | LOCAL | Fluorescent penetrant inspection equipment | ||
| Portablegrinding equipment | LOCAL | Portable grinding equipment |
Consumables, Materials and Expendables
NONESpares
NONESafety Requirements
NONEProcedure
The maximum blend limit is 0.005 in. (0.13 mm). Refer to the SPM TASK 70-35-03-300-501 and Figure.
Use portable grinding equipment. Dress until all the damage is removed.
Dress to remove the damage at all locations.
SUBTASK 72-32-35-350-058 Dress to Remove Damage
CAUTION
TITANIUM COMPONENTS.SILICON CARBIDE TYPE WHEELS, STONES AND ABRASIVE PAPERS, ARE TO BE USED FOR THIS REPAIR.ALUMINUM OXIDE TYPES MUST NOT BE USED.THE MATERIAL WILL OXIDIZE AND CRACK IF MECHANICAL CUTTERS ARE USED HEAVILY.THIS HAS OCCURRED IF THE COMPONENT SHOWS DARK STRAW TO BLUE DISCOLORATION.IF AT ANY TIME THIS COLORATION OCCURS, THE SEAL MUST BE REJECTED.Refer to the SPM TASK 70-23-01-230-501.
Do a penetrant crack test for the repaired area.
SUBTASK 72-32-35-220-063 Examine the Seal Holder for Cracks
Refer to TASK 72-32-35-200-000.
Do a visual inspection.
SUBTASK 72-32-35-220-064 Examine the Seal Holder
Figure: FBC rear air seal
FBC rear air seal
