TASK 75-23-51-200-402 Stage 10 To HPT Air Valve - Related Parts - Examine The Bracket Remaining Parts, Inspection-002

DMC:V2500-A0-75-23-5100-01A-310A-C|Issue No:001.00|Issue Date:2014-05-01

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 75-23-51-200-402 Stage 10 To HPT Air Valve - Related Parts - Examine The Bracket Remaining Parts, Inspection-002

Effectivity

FIG/ITEM

PART NO.

01-110

4W0227

01-120

5U0001

General

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

All the parts must be cleaned before they are examined. Refer to Cleaning-000 TASK 75-23-51-100-400.

All the parts must be visually examined for damage, corrosion and wear. Defects that are not identified in the procedure must be referred to IAE.

The practices and processes referred to in the procedure by the TASK/SUBTASK numbers are in the SPM.

References

Refer to the SPM for data on these items:

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

Inspection of Parts, SPM TASK 70-20-01-200-501

Preliminary Requirements

Pre-Conditions

NONE

Support Equipment

NONE

Consumables, Materials and Expendables

NONE

Spares

NONE

Safety Requirements

NONE

Procedure

    1. SUBTASK 75-23-51-220-054 Examine the Bolts

      1. Threads

        1. Crossed

        1. Reject

        2. Stripped

        1. Reject

        3. Missing

        1. Reject

        4. Worn

        1. Refer to SPM TASK 70-42-01-400-501.

      2. Surfaces

        1. Nicked

          1. Nicked to a depth of 0.002 in. (0.05 mm) with no high metal.

          1. Accept

          2. More than in Step.

          1. Reject

      3. Head

        1. Burred

          1. Burred but with no decrease in function

          1. Accept

          2. More than in Step.

          1. Reject

    2. SUBTASK 75-23-51-220-055 Examine the C Seal (01-120)

      1. Free height (thickness)

        1. More than 0.122 in. (3.09 mm).

        1. Accept

        2. Less than in Step.

        1. Reject

      2. Surfaces

        1. Burred, nicked, distorted

        1. Reject

Requirements After Job Completion

Follow-On Conditions

NONE