An understanding of the materials and hardware used in aircraft maintenance is essential. EASA 66 Module 6 will enable the student to identify the different types of materials used as well as the hardware needed to maintain an aircraft.
Construction methods of wooden airframe structures;Characteristics, properties and types of wood and glue used in airplanes;Preservation of maintenance of wooden structures;Types of defects in wood material and wooden structures;
The detection of defects in wooden structure;Repair of wooden structure.
Screw Threads Screw nomenclature;Thread forms, dimensions and tolerances for standard threads used in aircraft;Measuring screw threads.Bolts, studs and screws Bolt types: specification, identification and marking of aircraft bolts, international standards Nuts: self locking, anchor, standard types;Machine screws: aircraft specifications;Studs: types and uses, insertion and removal;Self tapping screws, dowels Locking devices Tab and spring washers, locking plates, split pins, pal-nuts, wire locking, quick release fasteners,keys, circlips, cotter pins.Aircraft rivets Types of solid and blind rivets: specifications and identification, heat treatment.