Commercial Fixed Wing
Flight Crew Air Transport Pilot (ATP); Flight Crew Multiengine; Flight Crew Instrument
Physiological - Other; Time Pressure; Troubleshooting; Distraction; Situational Awareness
Aircraft Equipment Problem Less Severe; Deviation / Discrepancy - Procedural FAR; Deviation / Discrepancy - Procedural Published Material / Policy; Flight Deck / Cabin / Aircraft Event Smoke / Fire / Fumes / Odor
General Maintenance Action
Aircraft
Upon walking into aircraft in ZZZ and during the preflight phase; we smelled dirty socks fumes. We immediately called maintenance to the aircraft. 3 technicians confirmed the fumes and had us make a logbook entry. We were instructed to turn off the APU bleed and a few minutes later; Operations has us deplane the passengers. Our entire crew subsequently deplaned.
Air carrier pilot reported the aircraft smelled of dirty socks. Maintenance asked that all passengers leave the aircraft and then the crew deplaned.