The FAA is proposing a new airworthiness directive for MD Helicopters, LLC Model 369D, 369E, 369F, 369FF, 369H, and 500N helicopters. This rule requires a one-time visual inspection of the main transmission drive shaft couplings for cracks. Depending on the inspection results, replacements may be necessary. The effective date is July 1, 2026.
Operators of the affected MD Helicopters must comply with the inspection requirement to ensure safety. They need to inspect the couplings and replace them if necessary.
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