Airworthiness directives › 2025-18-10
AD 2025-18-10 Airworthiness Directives; Bell Textron Canada Limited Helicopters
Models named: 505. Read the applicability below — it usually turns on serial or part numbers too.
Applicability*9
This AD applies to Bell Textron Canada Limited Model 505 helicopters, serial numbers 65011 through 65020 inclusive and 65022 through 65027 inclusive, certificated in any category.
Compliance
Comply with this AD within the compliance times specified, unless already done.
Required actions
Except as specified in paragraph (h) of this AD: Comply with all required actions and compliance times specified in, and in accordance with, Transport Canada AD CF-2025-23, dated April 23, 2025 (Transport Canada AD CF-2025-23).
Unsafe condition
This AD was prompted by a report of a cracked mounting bracket on the oil cooler fan assembly housing. The FAA is issuing this AD to prevent cracking on the mounting bracket of the oil cooler fan assembly housing. The unsafe condition, if not addressed, could lead to failure of the drive shaft and loss of the tail rotor drive with consequent loss of control of the helicopter.
Affected ADs
None.
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The directive text above is reproduced from the Federal Register, a work of the United States government and in the public domain. The separation into applicability, compliance and required actions is TrackAD's.*1