FAA has issued airworthiness directive 2022-18-06 for all GE90-110B1s, -115Bs, and certain -76Bs, -85Bs, -90Bs and -94Bs, revising the airworthiness limitations section of the applicable engine manual and the maintenance program or inspection program to incorporate reduced life limits; plus requiring removing and replacing certain inter-stage high-pressure turbine rotor seals, identified by serial number, installed on -76Bs, -85Bs, -90Bs and -94Bs, effective Oct. 26, 2022.