EASA Regulations for DeHavilland DHC-6 Twin Otter

EASA SIB 2013-16

Pratt & Whitney Canada PT6A Engines — Reduction Gearbox Failures

EASA Safety Information Bulletin 2013-16 is an informational bulletin addressing reduction gearbox failures in Pratt & Whitney Canada PT6A series turboprop engines. It highlights the potential for in-flight engine shutdowns due to premature failure of the reduction gearbox, affecting various aircraft types including the Cessna 208 Caravan, DeHavilland DHC-6 Twin Otter, Pilatus PC-7, and Beech King Air series among others. The bulletin aligns with FAA Special Airworthiness Information Bulletin NE-12-04 and aims to inform operators and maintenance organizations within EASA member states.