AMM content is organized by ATA chapter and effectivity. A task can include prerequisites, warnings, cautions, tools, consumables, access instructions, procedural steps and close-up requirements.
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DOCUMENTATIONBEGINNERREVIEWED Aug 2026
AMM
AMM Abbreviation · Aircraft Maintenance Manual Synonym
Aircraft Maintenance Manual: the controlled aircraft-specific source for maintenance procedures and system descriptions.
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How the term is used
The AMM normally contains descriptions, maintenance practices, removal and installation tasks, tests, servicing and other procedures for the applicable aircraft and configuration. Access, approval status and use are controlled by the manufacturer, operator and regulatory framework.
Where you may encounter it
Technicians use the current controlled AMM through the operator or maintenance organization technical-publication system.
Do not use screenshots, copied tasks or an uncontrolled revision in place of the current approved manual.