Commercial Fixed Wing
Situational Awareness; Training / Qualification
Deviation / Discrepancy - Procedural Published Material / Policy
General None Reported / Taken
Human Factors
A Flight Attendant went to get an unscheduled wheelchair for last passenger to deplane. Ramp agent retrieved rolling walker for pax and rest of crew walked up jetway with the passenger. Sanitizing crew onboard aircraft were finished with seatbelts and were continuing to clean PSU's (Passenger Service Units) and OHB's (Overhead Bins) when the crew deplaned. Was unaware that crew were to deplane after sanitizing crew was completely finished. All passenger and crew deplaned safely.
All cabin and flight Crew left airplane with cleaning crew still on board.