What is LRU? Mention some of the LRUs in engine and airframe?

What is LRU? Mention some of the LRUs in  engine and airframe?
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1 Answer

Answer :

LRU or Line Replaceable Unit is a complex unit  of the aircraft which can be quickly and easily  removed while the aircraft is at bay or ramp  area. It is a sealed unit designed for quick  removal from the aircraft.
Some of the LRUs in engine are IDG, LPTACC,  HPTACC, Oil pump, HP Shutoff Valve.
Some of the LRUs in airframe are all  communication and navigation antennas, black  box etc.
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