Harro was the Chief Maintenance Officer

Chief Maintenance Officer Miscellaneous Ranks

in the Coruscant Engineering Service

Coruscant Engineering Service Organization Planetary and Sector

in The Works on Coruscant

Coruscant Planet

during the Cold War

The Cold War Event Cold War (3653BBY - 3642BBY)

.
He sent out a bulletin concerning malfunctioning droids in The Works, and offered a reward for anyone who could destroy several droids and recover their memory cores.