TASK 73-11-47-200-103 Main Fuel Supply Fuel Tubes - Examine the Remaining Parts, Inspection-003

DMC:V2500-A0-73-11-4700-04A-310A-C|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 73-11-47-200-103 Main Fuel Supply Fuel Tubes - Examine the Remaining Parts, Inspection-003

Effectivity

FIG./ITEM

PART NO.

01-102

AS21515

01-106

MS21924-20S

01-108

AN960C2616

01-110

AN924-20S

01-128

400WSS20

01-136

400WSS20

02-101

AS21515

02-110

AN924-8S

02-112

AN960C1216L

02-114

MS21924-8S

General

This TASK gives the procedure for the inspection of the power plant rigid fuel tube remaining parts. For the other power plant rigid fuel tube parts, refer to Inspection-000 TASK 73-11-47-200-100 andTASK 72-42-20-200-400 in the Component Maintenance Manual (CMM-MECH-V2500-1IA).

Fig/item numbers in parentheses 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.

All the parts must be cleaned before they are examined. Refer to Cleaning-000 TASK 73-11-47-100-100.

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.

Practices and processes referred to in the procedure by the TASK number 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 73-11-47-220-060 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).

          1. Accept

          2. More than in Step.

          1. Reject

      3. Head

        1. Burred

          1. Burred but with no decrease in function.

          1. Accept

        2. In excess of Step.

        1. Reject

    2. SUBTASK 73-11-47-220-061 Examine the Nuts

      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. Cracked

        1. Reject

        2. Burred/nicked

          1. Burred/nicked but with no decrease in function when the high metal is removed.

          1. Accept

          2. In excess of Step.

          1. Reject

    3. SUBTASK 73-11-47-220-062 Examine the Tube Clips

      1. Cushion

        1. Torn/missing

        1. Reject

      2. Bolt holes

        1. Distorted/worn but with no decrease in function.

        1. Accept

        2. Torn/cracked

        1. Reject

      3. Clip

        1. Distorted

        1. Reject

    4. SUBTASK 73-11-47-220-063 Examine the Union (01-106 and 02-114)

      1. Cracked

      1. Reject

      2. 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.

      3. Hexagonal faces (spanner flats)

        1. Burred/nicked

          1. Burred/nicked but with no decrease in function when the high metal is removed.

          1. Accept

          2. In excess of Step.

          1. Reject

      4. Surfaces

        1. Scratched/scored

          1. Not more than 0.002 in. (0.051 mm)

          1. Accept

          2. More than in Step.

          1. Reject

    5. SUBTASK 73-11-47-220-064 Examine the Adjusting Washers (01-108 and 02-112)

      1. Surfaces

        1. Cracked/torn

        1. Reject

        2. Scratched/scored

          1. Not more than 0.002 in. (0.051 mm) in depth.

          1. Accept

          2. More than in Step.

          1. Reject

        3. Burred, but with no decrease in surface area/thickness of more than ten percent in a ninety degree sector when the high metal is removed.

        1. Accept

        4. Other than in Step.

        1. Reject

      2. Distorted

      1. Reject

Requirements After Job Completion

Follow-On Conditions

NONE