Superseded. This AD was superseded by AD 2018-17-15. Verify which one applies to your serial and effectivity before any maintenance action.
AD 2018-02-14
Effective 02/28/2018 · Published 01/24/2018
Airworthiness Directives; Honeywell International Inc. Turboprop and Turboshaft Engines
Summary
We are adopting a new airworthiness directive (AD) for certain Honeywell International Inc. (Honeywell) TPE331 turboprop and TSE331 turboshaft engines. This AD was prompted by reports that combustion chamber case assemblies have cracked and ruptured. This AD requires inspection of the affected combustion chamber case assembly, replacement of those assemblies found cracked, and removal of affected assemblies on certa…