After receiving a report of undersized fasteners possibly being used during the construction of some Piper M600s, the FAA on Tuesday issued an airworthiness directive to address what it called an “unsafe condition.” The AD, effective July 25, 2018, is aimed at M600s serial numbers 4698004 thru 4698041.
FAA Issues Airworthiness Directive for Piper’s M600
Key Takeaways:
- The FAA issued an Airworthiness Directive (AD) for specific Piper M600 aircraft (serial numbers 4698004 thru 4698041) due to concerns over undersized fasteners used in the cockpit canopy, posing a risk of structural failure or loss of cabin pressure.
- The AD requires inspection of rivets, installation of a repair kit if necessary, a temporary speed limitation of 230 kts calibrated airspeed, and a temporary placard.
- Although the estimated inspection and repair costs are significant (up to $200,000 for repair), Piper Aircraft is fully covering all associated expenses for compliance with the AD.
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