Location: This quest takes place in Azuremyst Isle.

Shortly: Technician Zhanaa in Ammen Valley Crash Site wants you to collect 4 Emitter Parts.

How to: The parts you are looking for are in Nestlewood Hills which is at the most southeast part of the Valley.

Rewards are 35 experience, 250 reputation with Exodar and Beaten Chain Leggings or Rough Leather Leggings or Hand Sewn Pants.