front line recovery maintenance for the system, subsystems and line replaceable units
(c) 系统、子系统和外场可更换部件的一线恢复性维修;
workshop preventive and recovery maintenance of line replaceable units
(e) 场外可更换部件的车间预防性和恢复性维修;
procedure for dismantle, retrofit of line replaceable units and setting to work
(d) 外场可更换部件拆除、改装和投入运行的程序;
the component servicer would be used to replace or upgrade various avionic components analogous to the "line replaceable units (LRUs)" that the Air Force uses today in its aircraft
The concept of modularity allowed line replaceable units (LRUs), for example, engines, to be disassembled into a relatively small number of subassemblies or modules (seven in the case of the Gem).
Built-in Test (BIT) and defined line replaceable units (LRUs)
内置测试(BIT)和成熟的现场可更换单元(LRU)
Excluded from control are: technical data, drawings or documentation for maintenance activities directly associated with calibration, removal or replacement of damaged or unserviceable line replaceable units, including replacement of whole engines or engine modules.
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