Page 23 - Volume 13 Number 8

pass, they are not removed. If they don’t pass, they are removed for evaluation, repair or replacement. If replaced, the class is kept exactly the same as mentioned.
PMA Parts, Exchange Parts
Fortunately, there are now PMA parts available which can reduce the exorbitant costs in some areas. Not all engine shops will use PMA parts. Any warranty being extended by Pratt & Whitney will not cover PMA parts. At minimum, the engine shop should make every effort to find exchange parts where possible.
Preventative Measures
The best piece of advice I can give is to keep up with the fuel nozzle and borescope inspections at the recommended 400­hour interval. These will sometimes (not always) reveal a developing problem. Usually this would be something like minor sulfidation that does not
A Compressor Turbine (CT) guide vane inside a burner can. Its step-like characteristics reflect off the cylinder wall around it, making the segments almost impossible to see.
De-icing Never Looked This Good
Ice Shield De-icing Systems offers wing boots, propeller boots, wire harnesses, and much more. Offering guaranteed 48-hour delivery and first class customer service.
Ice Shield is a Faster, Better Smarter way to protect your aircraft from icing conditions.
For more information please visit our website www.iceshield.com or 800.767.6899
AUGUST 2019
KING AIR MAGAZINE • 21