Case Studies

Aircraft Component Repair Case Studies

How QTC solves real component repair challenges for operators and MROs.

Boeing 787 PECS Heat Exchanger Cleaning & DAR Repair

Boeing 787 · PECS Heat Exchanger

The Boeing 787 restoration task MPD 21-071-00 drives the Power Electronics Cooling System (PECS) heat exchangers off-wing for cleaning every three years. QTC cleans the HX elements and issues a DAR repair if they leak.

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