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− Technical names as defined in the SE Guide. Used only as Adjectives or Nouns.
− Manufacturing processes as defined in the SE Guide. Always used as Verbs.
To obtain a copy of the SE Guide contact: AECMA Gulledelle 94, B-1200 Bruxelles,
Tel: 011 (32) 2775-81-10 Fax: 011 (32) 2775-81-11.
This manual does not use the ATA 100 Aircraft Maintenance Task Oriented Support System
(AMTOSS). And it does not use the ATA 100 Production Management Data Base (PMDB).
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Introduction
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A. The ATA 100 Numbering System.
The ATA 100 numbering system uses 3 pairs of numbers, for example:
The first pair of numbers show the system. System 57 is the Wings. Chapter 57 contains the
data for the wings.
The second pair of numbers show the subsystem. Subsystem 50 is Flaps. Chapter 57, section
50 contains the data for the flaps installation.
The third pair of numbers show a unit. A unit could be the Flap. Only complex systems use unit
numbers.
For simple systems, the main chapter has all of the data and there are no section/subsystem
break-downs.
B. Groups of Chapters
The chapters are put together in these groups:
Group A Introduction Chapter 01 - 02
Group B Aircraft General Chapter 03 - 12
Group C Airframe Systems Chapter 20 - 37
Group D Structure Chapter 51 - 57
Group E Propeller Chapter 61
Group F Power Plant Chapter 71 - 80
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A separation sheet divides each chapter. The separation sheet shows the number of the
chapter and the title.
The main contents of each group of chapters is given below:
(1) Group A - Introduction.
Chapter 1 tells you about the Maintenance Manual, and Chapter 2 tells you how to use the
Maintenance Manual.
(2) Group B - Aircraft General.
Chapter 05 contains the Maintenance Checks Schedule. Some tasks require a maintenance
procedure. The Maintenance Checks Schedule identifies the chapter in the manual that gives
the maintenance procedure for the task.
Chapters 06 to 10 tell you about general procedures such as towing, parking and weighing.
Chapter 11 tells you about the placards and markings which are important for operating the
aircraft.
Chapter 12 contains servicing tasks such as refueling and lubrication. It also contains data
about cleaning.
(3) Group C - Airframe Systems.
Chapter 20 contains the standard practices for airframe maintenance.
Chapters 21 to 37 tells you about the airframe systems. They include the avionics systems
(such as communications (23)) and the mechanical systems (such as flight controls (27)).
Chapter 31 shows the location of the instruments. The chapter which is applicable to the
system gives the details. For example, Chapter 27 gives the details for the flap position
indicator.
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(4) Group D - Structure.
Chapter 51 contains data about the design of the airframe. It gives instructions for minor
repairs to the structure.
Chapters 52 to 57 tell you about each part of the structure.
(5) Group E - Propeller.
Chapter 61 contains the maintenance procedures for the propeller. Refer to the propeller
manufacturer’s manual for other data.
(6) Group F - Power Plant.
This group of chapters describes the engine and its systems. It contains the maintenance
procedures for maintenance on the aircraft. Refer to the manufacturer’s manual for other
data.
C. Chapter Configuration.
The first page of each Chapter shows the number of the chapter and the title. The second page
shows the contents. Where applicable, each chapter and section contains the topics that follow:
− Description and Operation.
− Trouble Shooting.
− Maintenance Practices. Where applicable the Maintenance Practices gives data on these
procedures:
(1) Servicing.
(2) Removal and Installation.
(3) Adjustment/Tests.
(4) Checking/Testing.
(5) Cleaning/Painting.
(6) Repairs.
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5. Page Numbering System
This manual uses the ATA 100 page block-numbering system. The page number is at the bottom
on the outer edge. It is adjacent to the chapter/section number.
Each topic in a section has numbers from these page blocks:
− Description and Operation - Pages 1 to 99.
− Trouble-Shooting - Pages 101 to 199.
− Maintenance Practices - Pages 201 to 299.
6. Figures
Figures are given numbers in sequence. The first Figure in a chapter or section is Figure 1.
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