AD NUMBER: 2005-20-11
MANUFACTURER: Rolls Royce
SUBJECT: Airworthiness Directive 2005-20-11
SUMMARY: The FAA is adopting a new airworthiness directive
(AD) for Rolls-Royce Corporation (formerly Allison Engine Company,
Allison Gas Turbine Division, and Detroit Diesel Allison) (RRC)
Models 250-C28, -C28B, and -C28C turboshaft engines.