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 72-32-00-200-014 Fan Exit Pressure Boss - Examine, Inspection-014
General
This TASK gives the procedure for the inspection of the fan exit pressure boss. For the other parts of the LP compressor/intermediate case module, refer to TASK 72-32-00-200-000 (INSPECTION-000).
The policy that is necessary for inspection is given in the SPM TASK 70-20-00-200-501.
All the parts must be cleaned before any part is examined. Refer to TASK 72-32-00-100-000 (CLEANING-000).
All the parts must be visually examined for damage, corrosion and wear. Any defects that are not identified in the procedure must be referred to IAE.
The procedure for those parts which must have a crack test is given in Step. Do the test before the parts are visually examined.
Do not discard any part until you are sure there are no repairs available.
Parts which should be discarded can be held although no repair is available. The repair of a discarded part could be shown to be necessary at a later date.
All the parts must be examined to make sure that all repairs have been completed satisfactorily.
The practices and processes referred to in the procedure by the TASK numbers are in the SPM.
References
Refer to the SPM for the data on these items.
Definitions of Damages, TASK 70-02-02-350-501
Record and Control of the Lives of Parts, TASK 70-05-00-220-501
Inspection of Parts, TASK 70-20-00-200-501
Some data on these items are contained in this TASK. For more data on these items refer to the SPM.
Method of Testing for Crack Indications
Chemical Processes
Surface Protection
Preliminary Requirements
Pre-Conditions
NONESupport Equipment
| Name | Manufacturer | Part Number / Identification | Quantity | Remark |
|---|---|---|---|---|
| Fluorescent Penetrant Inspection Equipment | LOCAL | Fluorescent penetrant inspection equipment |
Consumables, Materials and Expendables
NONESpares
NONESafety Requirements
NONEProcedure
Refer to TASK 72-32-00-100-000 (CLEANING-000).
Clean the part.
SUBTASK 72-32-00-230-067 Examine the Fan Exit Pressure Boss (03-200) for Cracks
Refer to Figure.
Repair, VRS1607 TASK 72-32-00-300-013 (REPAIR-013)
Up to 0.012 in. (0.30 mm) in depth
More than in step Step
Burred and Galled.
Examine the bolt holes at Location 1.
Repair, VRS1607 TASK 72-32-00-300-013 (REPAIR-013)
More than Step
Nicked, scored and dented.
Examine the flange surface at Locations 7 and 11.
SUBTASK 72-32-00-220-139 Examine the Fan Exit Pressure Boss (03-200) Flange
Refer to Figure.
SUBTASK 72-32-00-220-140 Examine the Fan Exit Pressure Boss (03-200) Bores at Locations 1, 5, 8, 9 and 10
Refer to Figure.
Repair, VRS1607 TASK 72-32-00-300-013 (REPAIR-013)
More than Step
Examine the seal surface at Location 4.
Repair, VRS1607 TASK 72-32-00-300-013 (REPAIR-013)
Pick-up
Examine the threads at Locations 2 and 6.
SUBTASK 72-32-00-220-141 Examine the Fan Exit Pressure Boss (03-200) End Fitting
Refer to Figure.
Repair, VRS1607 TASK 72-32-00-300-013 (REPAIR-013)
More than Step
Nicked, scored and dented.
Examine all other surfaces.
SUBTASK 72-32-00-220-142 Examine the Fan Exit Pressure Boss (03-200) Surface
Figure: Fan Exit Pressure Boss Inspection Locations
Fan Exit Pressure Boss Inspection Locations

