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Maintenance Manuals & Technical Publications

What AMM, IPC, WDM, FIM/TSM, SRM, CMM, MPD, MEL, CDL and related publications are used for.

Educational orientation only. Always use the current approved publication, effectivity and company procedure for actual maintenance.
AMM

Aircraft Maintenance Manual

Aircraft-level manufacturer maintenance instructions for inspection, servicing, removal/installation, adjustment and testing.

Use when: Routine aircraft-level maintenance task or removal/installation.
IPC

Illustrated Parts Catalog

Illustrated reference for part numbers, assemblies, effectivity and installation relationships.

Use when: You need to identify the correct part or assembly relationship.
WDM

Wiring Diagram Manual

Electrical wiring and interconnection diagrams used for troubleshooting and maintenance.

Use when: Electrical troubleshooting requires wire/connector/pin relationships.
FIM / TSM

Fault Isolation / Troubleshooting Manual

Manufacturer troubleshooting procedures used to isolate reported faults; naming varies by aircraft program.

Use when: A reported fault needs systematic isolation.
SRM

Structural Repair Manual

Structural damage limits, allowable damage criteria and approved repair information.

Use when: Structural dent, scratch, crack or other damage requires approved evaluation.
CMM

Component Maintenance Manual

Component-level maintenance, test, repair and overhaul instructions.

Use when: Work is being performed at component/shop level.
MPD

Maintenance Planning Document

Planning source containing scheduled maintenance requirements and intervals.

Use when: Planning scheduled maintenance rather than executing a specific task.
MEL

Minimum Equipment List

Operator-approved document defining dispatch conditions for specified inoperative items.

Use when: An item is inoperative and dispatch eligibility must be assessed.
CDL

Configuration Deviation List

Approved conditions and limitations for operation with specified external configuration deviations.

Use when: External configuration deviation needs dispatch assessment.
SB

Service Bulletin

Manufacturer technical publication defining or recommending inspections, modifications or technical actions.

Use when: Assessing manufacturer-recommended technical action.
AD

Airworthiness Directive

Mandatory airworthiness requirement issued by an aviation authority for an unsafe condition.

Use when: Compliance with a mandatory airworthiness action must be established.