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 75-31-42-300-004 LPC Bleed Master Actuator - Related Parts - Repair The Worn Edge Corners Of The Slots Of The BSBVA Master Guide Assembly, Repair-004 (VRS1720)
General
Price and availability - not applicable.
The practices and processes referred to in the procedure by the TASK number are in the SPM.
To identify the consumable materials refer to the PCI.
Preliminary Requirements
Pre-Conditions
NONESupport Equipment
NONEConsumables, Materials and Expendables
| Name | Manufacturer | Part Number / Identification | Quantity | Remark |
|---|---|---|---|---|
| CoMat 05-019 WATERPROOF SILICON CARBIDE | LOCAL | CoMat 05-019 | ||
| CoMat 05-020 WATERPROOF SILICON CARBIDE | LOCAL | CoMat 05-020 | ||
| CoMat 05-021 WATERPROOF SILICON CARBIDE | 44197 | CoMat 05-021 |
Spares
NONESafety Requirements
NONEProcedure
Refer to Figure.
Use honing stone or CoMat 05-019 WATERPROOF SILICON CARBIDE waterproof silicon carbide abrasive paper, CoMat 05-020 WATERPROOF SILICON CARBIDE waterproof silicon carbide abrasive paper and CoMat 05-021 WATERPROOF SILICON CARBIDE waterproof abrasive paper, and/or fine file to remove high metal.
Surface finish of the repair must be the same as the adjacent area.
CAUTION
TITANIUM COMPONENTS.1. SILICON CARBIDE TYPE WHEELS, STONES AND ABRASIVE PAPERS ARE TO BE USED FOR THIS REPAIR.2. ALUMINUM OXIDE MUST NOT BE USED.3. THE MATERIAL WILL OXIDIZE THE CRACK IF MECHANICAL CUTTERS ARE USED HEAVILY. THIS HAS OCCURRED IF THE COMPONENT SHOWS DARK STRAW TO BLUE DISCOLORATION.Make smooth and/or hand polish to remove the high metal from the worn edge corners of the slots. Refer to SPM TASK 70-35-03-300-501.
SUBTASK 75-31-42-350-051 Remove the High Metal on the Worn Edge Corners of the Slots
Visually examine the repaired area for high metal.
Visually examine the repaired area.
SUBTASK 75-31-42-220-068 Examine the BSBVA Master Guide Assembly
Figure: BSBVA Master Guide Assembly - Repair Limit
BSBVA Master Guide Assembly - Repair Limit
