Airworthiness directives › 2022-22-05
AD 2022-22-05 Airworthiness Directives; NZSkydive Limited (Type Certificate Previously Held by Pacific Aerospace Ltd.) Airplanes
Makes named: pacific aerospace. Models named: FBA-2C1, FBA-2C2, FBA-2C3, FBA-2C4. Read the applicability below — it usually turns on serial or part numbers too.
Applicability*9
All NZSkydive Limited (type certificate previously held by Pacific Aerospace Ltd.) Model FBA-2C1, FBA-2C2, FBA-2C3, and FBA-2C4 airplanes, all serial numbers, certificated in any category.
Compliance
Comply with this AD within the compliance times specified, unless already done.
Required actions
(1) Before further flight after the effective date of this AD, remove the four aileron control chain sprockets in the control arm and yoke assembly and inspect the sprockets to determine if a non-metallic sleeve is fitted in the sprocket bore. (2) If a non-metallic sleeve is found fitted in any aileron control chain sprocket bore, before further flight, replace the affected aileron control chain sprocket with a part that does not have a non-metallic sleeve. (3) As of the effective date of this AD, do not install an aileron control chain sprocket part number C446, unless it has been inspected by following paragraph (g)(1) of this AD and found to have a metallic sleeve fitted in the sprocket bore. Note to paragraph (g): Pacific Aerospace Mandatory Service Bulletin PACSB/2C/002, Issue 1, dated September 20, 2022, contains information related to this subject.
Unsafe condition
This AD was prompted by mandatory continuing airworthiness information (MCAI) originated by an aviation authority of another country to identify and correct an unsafe condition on an aviation product. The MCAI identifies the unsafe condition as a batch of aileron control chain sprockets being manufactured with a non-metallic sleeve insert in the sprocket bore, which can cause cracks to develop and affect the integrity of the aileron control chain sprockets. The FAA is issuing this AD to prevent cracks from forming in the aileron control chain sprockets due to non-metallic sleeves in the sprocket bore. These cracks can affect the integrity of the aileron control chain sprockets and have the potential to produce binding of the aileron flight controls. The unsafe condition, if not addressed, could lead to loss of integrity of the aileron control chain sprockets with consequent loss of control of the airplane.
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