Narrative:

After pushing off the gate at ZZZ; we were waiting to single engine taxi with the #2 engine and the APU running. The #1 generator source off light illuminated followed by the APU gen off bus lights. Simultaneously we detected a strong electrical fumes odor in the cockpit. We donned oxygen masks and established crew communications. We then shut down the APU and received a call from the flight attendants regarding fumes present in the cabin. We shut down number two engine as well and made a PA to the passengers to remain seated. The flight attendant then indicated that the fumes were dissipating. We requested a tow back to the gate; ran the fire; smoke; fumes QRH and requested crash fire rescue to inspect the aircraft. We then evacuated the passengers at the gate through the forward entry door.

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Original NASA ASRS Text

Title: B737 Captain reported that an electrical malfunction and fumes in the cabin resulted in a return to the gate.

Narrative: After pushing off the gate at ZZZ; we were waiting to single engine taxi with the #2 engine and the APU running. The #1 generator SOURCE off light illuminated followed by the APU GEN OFF BUS lights. Simultaneously we detected a strong electrical fumes odor in the cockpit. We donned oxygen masks and established Crew communications. We then shut down the APU and received a call from the flight attendants regarding fumes present in the cabin. We shut down number two engine as well and made a PA to the passengers to remain seated. The Flight Attendant then indicated that the fumes were dissipating. We requested a tow back to the gate; ran the Fire; Smoke; Fumes QRH and requested Crash Fire Rescue to inspect the aircraft. We then evacuated the passengers at the gate through the forward entry door.

Data retrieved from NASA's ASRS site and automatically converted to unabbreviated mixed upper/lowercase text. This report is for informational purposes with no guarantee of accuracy. See NASA's ASRS site for official report.