Airworthiness directives › 2018-07-14
AD 2018-07-14 Airworthiness Directives; Pacific Aerospace Limited Airplanes
Makes named: pacific aerospace. Models named: 750XL. Read the applicability below — it usually turns on serial or part numbers too.
Applicability*9
This AD applies to the following Pacific Aerospace Limited Model 750XL airplanes, certificated in any category: (1) All serial numbers equipped with modification PAC/XL/0582; and (2) serial numbers 193 through 197, 199, 200, and 203.
Compliance
Unless already done, within 60 days after April 30, 2018 (the effective date of this AD), remove the rudder and elevator drive shaft couplings, part number (P/N) 11-49023-1, and replace with P/N 11-49023-3 at fuselage stations 115.34 and 180.85, ensuring proper engagement of the drive ends. Follow the Accomplishment Instructions in Pacific Aerospace Mandatory Service Bulletin PACSB/XL/085, Issue 1, dated January 8, 2018.
Required actions
The following provisions also apply to this AD: (1) Alternative Methods of Compliance (AMOCs): The Manager, Small Airplane Standards Branch, FAA, has the authority to approve AMOCs for this AD, if requested using the procedures found in 14 CFR 39.19. Send information to ATTN: Mike Kiesov, Aerospace Engineer, FAA, Small Airplane Standards Branch, 901 Locust, Room 301, Kansas City, Missouri 64106; telephone: (816) 329-4144; fax: (816) 329-4090; email: mike.kiesov@faa.gov. Before using any approved AMOC on any airplane to which the AMOC applies, notify your appropriate principal inspector (PI) in the FAA Flight Standards District Office (FSDO), or lacking a PI, your local FSDO. (2) Contacting the Manufacturer: For any requirement in this AD to obtain corrective actions from a manufacturer, the action must be accomplished using a method approved by the Manager, Small Airplane Standards Branch, FAA; or the Civil Aviation Authority of New Zealand (CAA).
Unsafe condition
This AD was prompted by mandatory continuing airworthiness information (MCAI) issued by the aviation authority of another country to identify and correct an unsafe condition on an aviation product. The MCAI describes the unsafe condition as insufficient engagement of the couplings with the flex drive of the rudder trim drive system. We are issuing this AD to prevent disengagement of the rudder and/or elevator trim drive, which could result in increased workload on the pilot and possible loss of control.
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