Citing safety justification and cost concerns, industry groups are reiterating their call for FAA to shelve its proposed airworthiness directive (AD) to require inspections and replacements of Engine Components Inc. (ECi) and Airmotive Engineering “Titan” cylinders found on 6,000 Continental 520 and 550 model reciprocating engines. FAA issued the proposed AD in August, citing concerns about numerous reports of cylinder head-to-barrel separations and cracked and leaking aluminum cylinder ...


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