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 that a vendor-sourced aft wing spar did not meet design measurement tolerances.
- A mandatory service bulletin has been issued, requiring inspections of all 32 in-service and 8 dealer inventory M600s to measure the thickness of the aft wing spar.
- The M600 fleet will be cleared to fly once their wing spars are confirmed to be within tolerance, though the remedy for any found to be out of tolerance is currently undisclosed.
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