Pratt & Whitney Canada has introduced an enhanced inspection regime for PW127 engines following a pair of cabin fume events when ATR twin-turboprops were brought back into service following storage.

Engine bleed air is hot, high-pressure air extracted from the compressor section of a turbine engine before it enters the combustion chamber. It is crucial for cabin pressurization and air ...

The problem: A piston-type reciprocating compressor has had valve damage, or the valves just are not sealing for some reason. This low-temperature refrigeration system has a thermostatic expansion ...