FAA has issued airworthiness directive 2021-16-18 for all Airbus A330-200 freighters, A330-200s, -300s and -900s, and A340-200s, -300s, -500s and -600s, requiring repetitive inspections of certain fuel pumps for cavitation erosion, replacement if necessary, revision of the operator's minimum equipment list and accomplishment of certain maintenance actions related to defueling and ground fuel transfer operations, effective Dec. 8, 2021.