95-16-04
FR doc 95-18551 · 60 FR 39637AD 95-16-04Published 1995-08-03Effective 1995-10-02
Requires replacement of cast material axial compressor rotors with wrought material axial compressor rotors that have improved fatigue characteristics and material properties.
Full official abstract
This amendment adopts a new airworthiness directive (AD), applicable to AlliedSignal Inc. LTS101 series turboshaft and LTP101 series turboprop engines, that requires replacement of cast material axial compressor rotors with wrought material axial compressor rotors that have improved fatigue characteristics and material properties. This amendment is prompted by 36 reports of axial compressor blade failures on cast rotors. The actions specified by this AD are intended to prevent engine power loss and inflight engine shutdown.