Duncan Aviation recently completed its first 7,500-landing inspection for a Bombardier Challenger 300. The inspection was done in conjunction with a full interior refurbishment, complete paint job, connectivity installation, 192-month airframe inspection, and landing gear overhaul. According to Duncan, the aircraft was delivered to the undisclosed customer after two test flights with zero airframe squawks.

The 7,500-landing inspection is the most comprehensive inspection for Challenger 300s, requiring every Duncan backshop team to have a hand in project. Duncan’s nondestructive testing (NDT) team also spent nearly $500,000 to purchase new NDT standards and probes to gain access to inspect areas of the aircraft and complete the inspection.

A second Challenger 300 arrived for its 7,500-landing inspection at Duncan’s MRO in Lincoln, Nebraska, late last month. Six more of the super-midsize twinjets are also scheduled for this intensive inspection through 2023 and into 2024, the company said.

Duncan estimates that many of the 800 in-service Challenger 300s are approaching this major inspection milestone. The company’s three MRO facilities in Battle Creek, Michigan; Lincoln; and Provo, Utah, are Bombardier-authorized service facilities.