Airworthiness directives › 2023-12-26
AD 2023-12-26 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 having a serial number 65011 and subsequent, 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-2023-16, dated March 6, 2023 (Transport Canada AD CF-2023-16). The owner/operator (pilot) holding at least a private pilot certificate may revise the existing Rotorcraft Flight Manual for your helicopter and must enter compliance with this AD into the aircraft records in accordance with 14 CFR 43.9(a) and 91.417(a)(2)(v). The record must be maintained as required by 14 CFR 91.417, 121.380, or 135.439.
Unsafe condition
This AD was prompted by the determination that the altitude limitations for certain fuel types were not valid. The FAA is issuing this AD to require limitations that align with the Safran Helicopter Engines, S.A. Model ARRIUS 2R engine, which include more stringent fuel operating envelope limitations for starting at certain altitudes, ambient temperatures, and fuel specifications. The unsafe condition, if not addressed, could result in low fuel pressure, engine flame-out, or engine power interruption.
Affected ADs
This AD replaces AD 2021-24-04, Amendment 39-21825 (86 FR 69998, December 9, 2021).
Read the original on the Federal Register →
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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