AD 2001-04-06
Effective 04/04/2001 · Published 02/28/2001
Airworthiness Directives; CFM International, S.A. CFM56-3, -3B, and -3C Series Turbofan Engines
Summary
This amendment adopts a new airworthiness directive (AD) that is applicable to CFM International, S.A. CFM56-3, -3B, and -3C series turbofan engines. This amendment requires that use of certain lubricants no longer on the manufacturer's approved list be discontinued. In addition, this amendment requires a one-time fan disk dovetail wear measurement, and if wear exceeds certain limits, requires an ultrasonic inspecti…