Fri, May 11, 2012
AD NUMBER: 2012-09-10
PRODUCT: Certain Pratt & Whitney Canada PT6A-38, -41, -42, -42A, -61, -64, -66, -66B, -110, -112, -114, -114A, -121, -135, and -135A series turboprop engines.
SUBJECT: Airworthiness Directive 2012-09-10
ACTION: Final rule; request for comments.
SUMMARY: This AD requires removal from service of certain part manufacturer approval (PMA) replacement Timken Alcor Aerospace Technologies, Inc. (TAATI) first stage sun gears and planet gears installed in the reduction gearbox.
This AD was prompted by failures of certain first stage sun gears manufactured by TAATI. The FAA Is issuing this AD to prevent failure of the sun gear and planet gears which will result in an engine in-flight shut down, possible uncontained engine failure, aircraft damage, and serious injuries.
DATES: This AD becomes effective May 23, 2012. Comments are due by June 22, 2012.
Could The FAA Get ANY Stranger? Worse Yet... Will They? ANN RealTime News Update, 0001ET, 05.23.13: The FAA has twice promised ANN a statement this day in order to understand some >[...]
Building A New Future For The EAA... One Issue At A Time Originally WebCast 11.14.12: With only a couple of weeks in pocket, directing the reorganization of the EAA in the wake of >[...]
Subcommittee Chair Call Mars Mission A Congressional Priority The House Science Committee Subcommittee on Space held a hearing Tuesday to examine possible options for the next step>[...]
Third Such Restructuring In 10 Years Dassault Falcon has embarked on its third parts pricing overhaul in the past 10 years, assessing the cost of over 18,500 individual items. The >[...]
Chandelle Chandelle is meant to be a forum for original essays, reviews, photographs, and artwork related, however loosely, to the less familiar aspects of the history of aviation.>[...]