Piper has grounded the in-service fleet of M600 single-engine turboprops after production workers identified a section of the aft wing spar that did not meet designed measurement tolerances. Piper notified the FAA of the discrepancy and ordered wing spar inspections to determine if the issue affects other airplanes, according to Piper CEO Simon Caldecott, who provided an update at EAA AirVenture in Oshkosh, Wisconsin, this afternoon.
Wing Spar Issue Grounds Piper M600 Fleet
Key Takeaways:
- Piper has grounded its M600 single-engine turboprop fleet after production workers identified a vendor-sourced aft wing spar section that did not meet design tolerances.
- A mandatory service bulletin has been issued, requiring inspections of the wing spars on all 32 in-service airplanes and 8 in dealer inventory.
- The grounding is a precautionary measure to determine if the issue affects other M600s, with the goal of returning the fleet to service if parts are found to be within tolerance.
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