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EASA Part 66  Module 7

Part 66 Module 7 Overall rating: ★★★★☆ 4.4 based on 362 reviews
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Maintenance Practices.

  • Online Test Exam EASA PART 66 Module 7 in click here:

Category A   – Maintenance Practices Exams ( 72 questions 90 min),
Category B1Maintenance Practices Exams ( 80 questions 100 min),
Category B2Maintenance Practices Exams ( 60 questions 75 min),
Category B3Maintenance Practices Exams ( 75 questions 40 min),


easa part 66 module 7


Sub Modules

Safety Precautions-Aircraft and Workshop

  • Aspects of safe working practices including precautions to take when working with electricity, Part 66 Module 7 gases especially oxygen, oils and chemicals. Also, instruction in the remedial action to be taken in the event of a fire or another accident with one or more of these hazards including knowledge on extinguishing agents. Part 66 Module 7

Workshop Practices

  • Care of tools, control of tools, use of workshop materials;
  • Dimensions, allowances and tolerances, standards of workmanship;
  • Calibration of tools and equipment, calibration standards.
  • Part 66 Module 7


  • Common hand tool types;
  • Common power tool types;
  • Operation and use of precision measuring tools;
  • Lubrication equipment and methods.
  • Operation, function and use of electrical general test equipment;

Avionic General Test Equipment

  • Operation, function and use of avionic general test equipment.

Engineering Drawings, Diagrams and Standards

  • Drawing types and diagrams, their symbols, dimensions, tolerances and projections;
  • Identifying title block information; Microfilm, microfiche and computerized presentations;
  • Specification 100 of the Air Transport Association (ATA) of America;
  • Aeronautical and other applicable standards including ISO, AN, MS,NAS and MIL;
  • Wiring diagrams and schematic diagrams.

Fits and Clearances

  • Drill sizes for bolt holes, classes of fits;
  • Common system of fits and clearances;
  • Schedule of fits and clearances for aircraft and engines;
  • Limits for bow, twist and wear;
  • Standard methods for checking shafts, bearings and other parts.

Electrical Cables and Connectors

  • Continuity, insulation and bonding techniques and testing;
  • Use of crimp tools: hand and hydraulic operated;
  • Testing of crimp joints;
  • Connector pin removal and insertion;
  • Co-axial cables: testing and installation precautions;
  • Wiring protection techniques: Cable looming and loom support, cable clamps, protective sleeving techniques including heat shrink wrapping, shielding.


  • Riveted joints, rivet spacing and pitch;
  • Tools used for riveting and dimpling;
  • Inspection of riveted joints.

Pipes and Hoses

  • Bending and belling/flaring aircraft pipes;
  • Inspection and testing of aircraft pipes and hoses;
  • Installation and clamping of pipes.


  • Inspection and testing of springs.


Testing, cleaning and inspection of bearings;

Lubrication requirements of bearings;

Defects in bearings and their causes.


  • Inspection of gears, backlash;
  • Inspection of belts and pulleys, chains and sprockets;
  • Inspection of screw jacks, lever devices, push-pull rod systems.
  • Part 66 Module 7

Control Cables

  • Swaging of end fittings;
  • Inspection and testing of control cables;
  • Bowden cables; aircraft flexible control systems.

Material handling

Sheet Metal

  • Marking out and calculation of bend allowance; Sheet metal working, including bending and forming;
  • Inspection of sheet metal work.

Composite and non-metallic

  • Bonding practices;
  • Environmental conditions
  • Inspection methods

Welding, Brazing, Soldering and Bonding

Soldering methods; inspection of soldered joints.

Welding and brazing methods;

  • Inspection of welded and brazed joints;
  • Bonding methods and inspection of bonded joints.

Aircraft Weight and Balance

  • Centre of Gravity/Balance limits calculation: use of relevant documents;
  • Preparation of aircraft for weighing; Aircraft weighing;
  • Part 66 Module 7

Module 7 Aircraft Handling and Storage

  • Aircraft taxiing/towing and associated safety precautions;
  • jacking Aircraft , chocking, securing and associated safety precautions;
  • Aircraft storage methods;
  • Refueling/defueling procedures;
  • De-icing/anti-icing procedures;
  • Electrical, hydraulic and pneumatic ground supplies.
  • Effects of environmental conditions on aircraft handling and operation.

Disassembly, Inspection, Repair and Assembly Techniques

  • Types of defects and visual inspection techniques; Corrosion removal, assessment and reproduction.
  • General repair methods, Structural Repair Manual; Ageing, fatigue and corrosion control programmes;
  • Non destructive inspection techniques including, radiographic, eddy current, ultrasonic and boroscope methods Part 66 Module 7.
  • Disassembly and re-assembly techniques.
  • Trouble shooting techniques

Abnormal Events

  • Inspections following lightning strikes and HIRF penetration.
  • Inspections following abnormal events such as heavy landings and flight through turbulence.

Part 66 module 7 Maintenance Procedures

  • Maintenance planning;
  • Modification procedures; Stores procedures;
  • Certification/release procedures;
  • Interface with aircraft operation;
  • Maintenance Inspection/Quality Control/Quality Assurance;
  • Additional maintenance procedures;
  • Control of life limited components.


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Part 66 Module 7
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Part 66 Module 7
EASA Part 66 Module 7 Maintenance Practices Safety Precautions-Aircraft and Workshop Aspects of safe working practices including precautions to take when working with electricity, Part 66 Module 7 gases especially oxygen, oils and chemicals. Also, instruction in the remedial action to be taken in the Part 66 Module 7
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