ATA CHAPTER

ATA	Description
79 - 7997 Engine Oil System Wiring	Engine Oil For reports indicating a problem with wiring specific to the Engine Oil System.
18 - 1897 Helicopter Vibration System Wiring	Helicopter Vibration For reports indicating a problem with wiring used on equipment necessary to monitor, measure, diagnose and locate sources of noise in dynamic and structural components.
38 - 3840 Air Supply (Water Pressure System)	Water/Waste The system which provides the pressure to distribute potable water to the lavatories, etc. Typical partsare pump, motor, lines, etc.
80 - 8000 Engine Starting System	Starting The units, components and associated systems used for starting the engine. Includes electrical, inertiaair or other starter systems. Does not include ignition systems which are covered in JASC Chapter 74,IGNITION.
21 - 2100 Air Conditioning System	Air Conditioning For miscellaneous parts that cannot be associated with specific air conditioning, pressurization, or distribution codes. Examples are lines, hoses, etc., with no reference to the specific using system on the incoming report. Also, for those units and components furnishing a means of pressurizing, heating, cooling, moisture controlling, filtering, and treating the air used to ventilate areas of the fuselage within the pressure vessel.
38 - 3897 Water/Waste System Wiring	Water/Waste For reports indicating a problem with wiring specific to the Water/Waste System.
80 - 8010 Engine Cranking	Starting The portion of the system which is used to perform the cranking functions of the starting operation.Typical parts are plumbing, valve, wiring, start switch, relay, etc.
21 - 2110 Cabin Compressor System	Air Conditioning The system and its controls supplying compressed air to the cabin. For reported problems with the compressor unit and not the associated system. Related entries should include the component manufacturer's make, model, and the specific defective part by name and part number. Typical parts are controls and indicating systems related to the compressors, wiring, etc.
45 - 4500 Central Maintenance Computer	Central Maintenance System (CMS) The unit, components and associated systems which interface with other airplane systems and providesa convenient way of communicating system problems to aircraft maintenance personnel. The systemcontains checkout and fault isolation procedures using a central computer to locate a single system orcomponent malfunction. Typical parts are computer, storage devices, controls, display, etc.
80 - 8011 Engine Starter	Starting The component used for starting the engines. Includes parts which are separated from the engineduring starter removals, but does not include parts within the engine. Does not include the startergeneratorwhich is filed in JASC code 2435. Typical parts are brush, bearing, shaft, clutch, adaptor,backplate, housing, winding, terminal post, etc.

79 - 7997 Engine Oil System Wiring

Engine Oil

For reports indicating a problem with wiring specific to the Engine Oil System.

18 - 1897 Helicopter Vibration System Wiring

Helicopter Vibration

For reports indicating a problem with wiring used on equipment necessary to monitor, measure, diagnose and locate sources of noise in dynamic and structural components.

38 - 3840 Air Supply (Water Pressure System)

Water/Waste

The system which provides the pressure to distribute potable water to the lavatories, etc. Typical partsare pump, motor, lines, etc.

80 - 8000 Engine Starting System

Starting

The units, components and associated systems used for starting the engine. Includes electrical, inertiaair or other starter systems. Does not include ignition systems which are covered in JASC Chapter 74,IGNITION.

21 - 2100 Air Conditioning System

Air Conditioning

For miscellaneous parts that cannot be associated with specific air conditioning, pressurization, or distribution codes. Examples are lines, hoses, etc., with no reference to the specific using system on the incoming report. Also, for those units and components furnishing a means of pressurizing, heating, cooling, moisture controlling, filtering, and treating the air used to ventilate areas of the fuselage within the pressure vessel.

38 - 3897 Water/Waste System Wiring

Water/Waste

For reports indicating a problem with wiring specific to the Water/Waste System.

80 - 8010 Engine Cranking

Starting

The portion of the system which is used to perform the cranking functions of the starting operation.Typical parts are plumbing, valve, wiring, start switch, relay, etc.

21 - 2110 Cabin Compressor System

Air Conditioning

The system and its controls supplying compressed air to the cabin. For reported problems with the compressor unit and not the associated system. Related entries should include the component manufacturer's make, model, and the specific defective part by name and part number. Typical parts are controls and indicating systems related to the compressors, wiring, etc.

45 - 4500 Central Maintenance Computer

Central Maintenance System (CMS)

The unit, components and associated systems which interface with other airplane systems and providesa convenient way of communicating system problems to aircraft maintenance personnel. The systemcontains checkout and fault isolation procedures using a central computer to locate a single system orcomponent malfunction. Typical parts are computer, storage devices, controls, display, etc.

80 - 8011 Engine Starter

Starting

The component used for starting the engines. Includes parts which are separated from the engineduring starter removals, but does not include parts within the engine. Does not include the startergeneratorwhich is filed in JASC code 2435. Typical parts are brush, bearing, shaft, clutch, adaptor,backplate, housing, winding, terminal post, etc.