Airworthiness directives › 2021-21-11
AD 2021-21-11 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 Pacific Aerospace Limited Model 750XL airplanes, serial numbers 101 through 215, 220, 8001, and 8002, certificated in any category.
Compliance
(1) Unless already done, within 165 hours time-in-service after the effective date of this AD, inspect the engine mount, the temperature probe, and the reversing cable for damage, and, before further flight, take all necessary corrective actions and install anti-chafing blade tape onto the engine mount tube by following the Accomplishment Instructions in Pacific Aerospace Limited Mandatory Service Bulletin PACSB/XL/102, Issue 2, dated November 5, 2018. (2) Where the service information states to contact Pacific Aerospace Limited if chafing or any damage is present on an engine mount, temperature probe, or reversing cable, this AD requires instead that you contact the Civil Aviation Authority (CAA) of New Zealand at the contact information in paragraph (i)(3) of this AD.
Required actions
(1) The Manager, International Validation Branch, has the authority to approve AMOCs for this AD, if requested using the procedures found in 14 CFR 39.19. In accordance with 14 CFR 39.19, send your request to your principal inspector or local Flight Standards District Office, as appropriate. If sending information directly to the manager of the certification office, send it to the attention of the person identified in paragraph (h)(1) of this AD or by email at: 9-AVS-AIR-730-AMOC@faa.gov. (2) Before using any approved AMOC, notify your appropriate principal inspector, or lacking a principal inspector, the manager of the local flight standards district office/certificate holding district office.
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 describes the unsafe condition as insufficient clearance between the engine mount, the Beta control rod, and the inter-turbine temperature (ITT) sensing probe that could lead to chafing damage. The FAA is issuing this AD to prevent damage to the engine mount, temperature probe, and the reversing cable. The unsafe condition, if not addressed, could result in chafing damage to the ITT system and binding of the Beta control rod.
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