Appendix A to AMC 20-22 – EWIS Minimum Initial Training Programme for Group 1
and 2
ED Decision 2008/007/R
Target Group 1: Qualified staff performing EWIS maintenance.
Target Group 2: Qualified staff performing maintenance inspections on EWIS.
TARGET GROUP |
1 |
2 |
A – GENERAL ELECTRICAL WIRING INTERCONNECTION SYSTEM PRACTICES Know or demonstrate safe handling of aeroplane electrical systems, line replaceable units (LRU), tooling, troubleshooting procedures, and electrical measurement. |
|
|
1. Safety practices |
X |
X |
2. Electrostatic discharge sensitive (ESDS) device handling and protection |
X |
X |
3. Tools, special tools, and equipment |
X |
|
4. Verifying calibration/certification of instruments, tools, and equipment |
X |
|
5. Required wiring checks using the troubleshooting procedures and charts |
X |
|
6. Measurement and troubleshooting using meters |
X |
|
7. LRU replacement general practices |
X |
X |
B – WIRING PRACTICES DOCUMENTATION Know or demonstrate the construction and navigation of the applicable aeroplane wiring system overhaul or practices manual. |
|
|
8. Standard wiring practices manual structure/overview |
X |
X |
9. Chapter cross-reference index |
X |
X |
10. Important data and tables |
X |
X |
11. Wiring diagram manuals |
X |
X |
12. Other documentation as applicable |
X |
X |
C – INSPECTION Know the different types of inspections, human factors in inspections, zonal areas and typical damages. |
|
|
13. General visual inspection (GVI), detailed inspection (DET), special detailed inspection (SDI), and zonal inspection, and their criteria and standards |
X |
X |
14. Human factors in inspection |
|
X |
15. Zonal areas of inspection |
|
X |
16. Wiring system damage |
X |
X |
D – HOUSEKEEPING Know the contamination sources, materials, cleaning and protection procedures. |
|
|
17. Aeroplane external contamination sources |
X |
X |
18. Aeroplane internal contamination sources |
X |
X |
19. Other contamination sources |
X |
X |
20. Contamination protection planning |
X |
|
21. Protection during aeroplane maintenance and repair |
X |
|
22. Cleaning processes |
X |
|
E – WIRE Know or demonstrate the correct identification of different wire types, their inspection criteria and damage tolerance, repair and preventative maintenance procedures. |
|
|
23. Wire identification, type and construction |
X |
X |
24. Insulation qualities and damage limits |
X |
X |
25. Inspection criteria and standards for wire and wire bundles |
|
X |
26. Wire bundle installation practices |
X |
X |
27. Typical damage and areas found (aeroplane specific) |
X |
X |
28. Maintenance and repair procedures |
X |
X |
29. Sleeving |
X |
X |
30. Unused wires - termination and storage |
X |
X |
31. Electrical bonding and grounds |
X |
X |
F – CONNECTIVE DEVICES Know or demonstrate the procedures to identify, inspect, and find the correct repair for typical types of connective devices found on the applicable aeroplane. |
|
|
32. General connector types and identification |
X |
X |
33. Cautions and protections |
X |
X |
34. Visual inspection procedures |
X |
X |
35. Typical damage found |
X |
X |
36. Repair procedures |
X |
X |
G – CONNECTIVE DEVICE REPAIR Demonstrate the procedures for replacement of all parts of typical types of connectors found on the applicable aeroplane. |
|
|
37. Circular connectors |
X |
|
38. Rectangular connectors |
X |
|
39. Terminal blocks - modular |
X |
|
40. Terminal blocks - non-modular |
X |
|
41. Grounding modules |
X |
|
42. Pressure seals |
X |
|
[Amdt 20/4]
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