Airworthiness directives › 2023-17-04
AD 2023-17-04 Airworthiness Directives; Continental Aerospace Technologies, Inc. Engines
Makes named: continental. Models named: C-125, C-145, GO-300, IO-360, IO-470, IO-520, IO-550, O-300, O-470, TSIO-360. Read the applicability below — it usually turns on serial or part numbers too.
Applicability*9
This AD applies to Continental Aerospace Technologies, Inc. (Continental) model engines equipped with an F&M Enterprises, Inc. (F&M) or a Stratus Tool Technologies, LLC (Stratus) oil filter adapter installed per Supplemental Type Certificate SE8409SW, SE09356SC, or SE10348SC. Note 1 to paragraph (c): These F&M and Stratus oil filter adapters are known to be installed on Continental Model C-125, C-145, GO-300, IO-360, IO-470, IO-520, IO-550, O-300, O-470, TSIO-360, and TSIO-520 series engines.
Compliance
Comply with this AD within the compliance times specified, unless already done.
Required actions
Before accumulating 50 flight hours after the effective date of this AD or at the next scheduled oil change after the effective date of this AD, whichever occurs first, remove any F&M or Stratus oil filter adapter fiber gasket from service and replace it with an oil filter adapter copper gasket, part number (P/N) AN900-28 or P/N AN900-29, or a stainless steel polytetrafluoroethylene gasket, P/N ST07, as applicable, in accordance with the Compliance Instructions, paragraph 6., pages 6 through 10 (including all detailed instructions for Figure 5 through Figure 16), of Stratus Tool Technologies Mandatory Service Bulletin SB-001 Rev C, dated June 16, 2022.
Unsafe condition
This AD was prompted by reports of two accidents that were the result of power loss due to oil starvation. The FAA is issuing this AD to prevent loss of engine power. The unsafe condition, if not addressed, could result in failure of the engine, in-flight shutdown, and loss of control of the airplane.
Affected ADs
This AD replaces AD 2022-04-04, Amendment 39-21945 (87 FR 9435, February 22, 2022) (AD 2022-04-04).
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