Guam Fire Department Engine 10, while at an emergency scene off Wusstig Road on Sunday, just before midnight, rolled forward into a concrete/metal fence and gate.
As per GFD policy, the operator has taken a post-accident urinalysis and an internal investigation has been launched to determine whether operator and/or mechanical errors took place.
GFD is also working with the GPD to assist with the incident report.
According to GFD spokesman Kevin Reilly, there were no injuries to the residents or fire personnel.
A safety brief on this mishap, for apparatus drivers and crewmembers will be conducted by the Officers in Charge at all fire stations.
The fire apparatus sustained damage to the front and side of the cab and window but is still in service.