Narrative:

The aircraft was on terminal air conditioner for prior smoke/odor/fume event. After both engines started a 'dirty sock' type odor was noticed in the cockpit. The smell dissipated somewhat during initial taxi. The flight attendants did not notice any odor in the cabin. We continued the taxi; but when we were #1 for takeoff; the odor was still present. QRH procedure followed and returned to gate.

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Original NASA ASRS Text

Title: A319 Captain reported a return to gate after noticing 'dirty socks' odor during taxi for departure.

Narrative: The aircraft was on terminal air conditioner for prior smoke/odor/fume event. After both engines started a 'dirty sock' type odor was noticed in the cockpit. The smell dissipated somewhat during initial taxi. The flight attendants did not notice any odor in the cabin. We continued the taxi; but when we were #1 for takeoff; the odor was still present. QRH procedure followed and returned to gate.

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.