Safety recommendation
FAA Urged to Issue Airworthiness Directive for CF6-6 Engine Inspections
A directive was requested to inspect fan disks and shafts on CF6-6 engines following an investigation.
Following completion of the directed safety investigation of the general electric cf6-6 turbine engine discussed in A-89-95, an airworthiness directive was requested to require appropriate inspections of the fan disks and the fan forward shaft at appropriate cyclic intervals. This directive was superseded by A-90-089.
Original regulatory source: https://data.ntsb.gov/carol-main-public/sr-details/A-89-096