TASK 72-41-00-200-012 HPC Assembly - Do An Inspection After An Internal HPC Fire, Inspection-001

DMC:V2500-A0-72-41-0000-00A-300A-B|Issue No:001.00|Issue 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

All

Common Information

TASK 72-41-00-200-012 HPC Assembly - Do An Inspection After An Internal HPC Fire, Inspection-001

General

This TASK gives the inspection procedure, during the disassembly of the HP compressor, following an internal engine fire.

All Fig/item numbers in the procedure agree with those used in the IPC. Only the primary Fig/item numbers are used. For the service bulletin alpha variants refer to the IPC.

For all parts identified in a different Chapter/Section/Subject, the applicable Chapter/Section/Subject comes before the Fig/item number.

References

Refer to the SPM for data on these items.

Definition of Damage, SPM TASK 70-02-02-350-501.

Record and Control of the Lives of Parts, SPM TASK 70-05-00-200-501.

Inspection of parts, SPM TASK 70-20-01-220-501.

Preliminary Requirements

Pre-Conditions

NONE

Support Equipment

NONE

Consumables, Materials and Expendables

NONE

Spares

NONE

Safety Requirements

NONE

Procedure

    1. SUBTASK 72-41-00-220-182 Examine HP Compressor Assembly for Indications of an Internal Engine Fire

      1. During disassembly of the H.P. compressor examine for indications of an internal engine fire. If there is evidence that a fire has occurred then the following procedure is required.

      1. The H.P. compressor stages 3 to 8 disk assembly HPC Stage 3 - 8 Drum Disk And Wire Seals (72-41-11, 01-200), the H.P. compressor stages 9 to 12 disk assembly HPC Stage 9 - 12 Drum Disk And Vortex Reducer Ring (72-41-12, 01-600), the H.P. compressor rear shaft assembly HPC Rear Shaft And Heatshield Assembly (72-41-13, 01-850) and the H.P. compressor rear rotating air seal ENGINE-HP COMPRESSOR ROTATING AIR SEALS (72-41-14, 01-800) are to be rejected.

      2. Reject all components with evidence of exposure to excessive heat.

      3. Reject all components that have become contaminated with molten debris.

Requirements After Job Completion

Follow-On Conditions

NONE