Engine Oil

For general reports of system units external to the engine which store and deliver engine lubricating oilto and from both turbine and reciprocating engines with insufficient information to file in a more specificJASC 7900 series code.

Servicing

For reports which indicate a problem with any type of hydraulic fluid. The general instructions are not applicable to any particular system.

Pneumatic

The system components and parts which sense, transmit, and indicate the temperature and pressure ofair in the distribution system other than the pressure indicator or sensor. Includes the instrument whichindicates air pressure in the pneumatic distributing systems. Does not include the using systems.

Engine Oil

The engine oil storage tank furnished by the airframe manufacturer. Includes attached parts such asfiller caps, mount brackets, but excludes engine manufacturer furnished tanks, quantity indicationsystems, and distribution lines. Typical parts are tank, cap, seal, bracket, drain valve, etc.

Servicing

For reports indicating a problem with any type of engine coolant used in aircraft. The general instructions are not applicable to any particular system.

Pneumatic

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

Engine Oil

The external oil system which distributes engine lubricating oil from the storage tanks to and from theengine. Does not include externally mounted units such as oil coolers, oil filters, shutoff valves. Typicalparts are line, hose, coupling, fitting, clamp, etc.

Hardware

For miscellaneous parts that are not associated with an installed aircraft component or system. Use this code when there is insufficient information to file in a more specific JASC 1400 series code.

Vacuum

The units and components used to generate, deliver, and regulate negative air pressure. Use this codefor general reports of the pressure/vacuum system with insufficient information to file in a more specificJASC 3700 series code.

Engine Oil

The component and associated parts that cools engine lubricating oil. Includes brackets, outlet doors,scoops, ducts and louvers, but excludes the temperature regulator. Typical parts are cooler, duct,scoop, door, door actuator, etc.