Aviation Week Spotlights Pem-Air’s Innovative Engine MRO Repairs

To address the challenges of aging hardware, MRO providers are diversifying their strategies for life-cycle support. For Pratt & Whitney PW4000  [but also GE Aerospace CF6] powered 767s, Florida-based engine MRO Pem-Air is combining used serviceable material (USM) sourcing, parts manufacturer approval (PMA) and designated engineering representative (DER) repairs, selective overhaul deferrals, and tailored maintenance programs.

The challenge is most acute for small and midsize operators managing aircraft that have been in service for over 40 years. “These operators don’t have the same depth of spares pools or leverage with OEMs as the largest carriers,” Pizer says, noting that every delay in sourcing turbine blades, bearings or combustor liners can ripple through their operations.

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