EMB ERJ 145 ER/LR
Flight Crew Air Transport Pilot (ATP)
Flight Crew Total 2850
Workload; Distraction
Deviation / Discrepancy - Procedural Published Material / Policy; Inflight Event / Encounter Fuel Issue
Flight Crew Became Reoriented
Human Factors
We were operating the flight after a delay due to weather and crew placement. We had received an ATC reroute prior to pushback. An ACARS message was sent to Dispatch informing them of the reroute and we waited at the gate to confirm we had enough fuel for the new route. Dispatch sent us the new fuel numbers confirming we did not need additional fuel.Once we were in line for takeoff; we received an ACARS message from Dispatch saying we needed to return to the gate and get more fuel. They apparently never read the original message we sent giving them the new route. While taxiing back to the gate; we shut down engine 1 in line with company SOPs. Once we parked at the gate; the flight crew became distracted with other duties such as calling operations; monitoring jet bridge movement; communicating with the cabin crew and passengers; and coordinating with Dispatch on our new fuel load. Neither flight crew member called for the parking checklist. This caused the number 2 engine to never get shut down while parked at the gate. The engine was running throughout the entire fueling process which is against company SOPs. The flight crew did not become aware of the issue until we had pushed back from the gate and started engines.Once we became aware of the issue we both admitted to the failure of not running the checklist and becoming too distracted. Flight crew became distracted when a non-standard event occurred. Had to return to the gate to load more fuel after Dispatcher became aware of ATC reroute. The flight crew failed to complete the parking checklist after returning to the gate. Distraction with other tasks and duties caused the checklist to not be completed. Don't let yourself become too distracted that you forget to follow normal procedures. If the Captain doesn't call for a checklist at the appropriate time; prompt him for it. When things happen outside of the operational norm; don't get dragged down into the weeds without following normal procedures. Always complete the appropriate checklists even when things go differently than normal.
EMB-145 First Officer reported the crew failed to shut down Number 2 engine at the gate while refueling because of distractions and workload.