Components location
There has been asked if the HF components are in the fire accident area. the answer is NO. The antenna for the HF Is a part of the LE of the vertical stabilizer , behind the antenna in the stabilizer is the couplers . then antenna receivers are located in the sidewall of the aft cargo .
In the burned area are part from one of the ELTs ,are several RPDUs ( remote power distribution unit.) power junctions for various systems and also the zonal dryer for the Airco system.
But if power was off non of these units have power