Summary
The Federal Aviation Administration (FAA) proposes to adopt a new airworthiness directive (AD) that is applicable to CFM International, S.A. (CMFI) CFM56 -5 series turbofan engines. This proposal would require replacement of the magnetic drain plug on certain part number (P/N) air turbine engine starters manufactured by Honeywell Engines & Systems. This proposal is prompted by three instances of uncontained air turbine engine starter failures, resulting in cowl damage. The actions specified by the proposed AD are intended to prevent uncontained failure of the starter and possible damage to the airplane.