West Star Offers Repair on CJ4 Engine Service Bulletin

 - September 7, 2022, 9:53 AM
West Star Aviation completed its first repair of the FJ44-4A engine's intermediate pressure compressor rotor in August. (Photo: West Star Aviation)

West Star Aviation is one of only three source locations in the U.S. to complete the Williams International service bulletin for the repair of the intermediate pressure compressor rotor. The MRO is offering this repair at its St. Louis Regional Airport (KALN) facility in East Alton, Illinois.

According to West Star, blade displacement can occur on the FJ44-4A engine, which powers the Cessna Citation CJ4. Loss of blades in this manner can cause noise, vibration, or changes to the operating parameters of the engine.

West Star said it has received in-depth training and acquired specialized equipment to offer this service to Citation operators. The repair takes about five days depending on vibration tests and other scheduled maintenance.

“We were approached by Williams International and are pleased to be able to offer this special service to our valued customers that are looking for a facility to complete the repair,” said Pat Welch, West Star's program manager at KALN.