EASA Regulations for Cessna Citation 560XLS

EASA SIB AV-2008-07

Pratt & Whitney Canada PW530, PW535 and PW545 series engines - No.4 Bearing Carbon Seal Distress

Transport Canada Service Difficulty Advisory AV-2008-07 addresses a low oil pressure issue in Pratt & Whitney Canada PW530, PW535, and PW545 series engines, specifically related to distress of the No. 4 bearing carbon seal. The advisory highlights occurrences of in-flight engine shutdowns due to oil leakage past the carbon seal on the #4 turbine shaft bearing, affecting aircraft such as the Cessna Citation 560XLS powered by PWC 545B engines.