Airworthiness directives › 2020-26-19
AD 2020-26-19 Airworthiness Directives; Pilatus Aircraft Ltd. Airplanes
Makes named: pilatus. Models named: PC-7. Read the applicability below — it usually turns on serial or part numbers too.
Applicability*9
This AD applies to Pilatus Aircraft Ltd. Model PC-7 airplanes, all serial numbers, certificated in any category.
Compliance
Unless already done, before further flight: Incorporate the revised Airworthiness Limitation section as specified in Section 05-10-10, “Lifed and Overhauled Components,” dated June 30, 2020, of Chapter 05, Time Limits/Maintenance Checks, of the Pilatus PC-7 Maintenance Manual, into the Airworthiness Limitations section of your FAA-accepted maintenance program (maintenance manual).
Required actions
After the Airworthiness Limitations section of the existing maintenance or inspection program has been revised as required by paragraph (f) of this AD, no alternative actions ( e.g., inspections) or intervals may be used unless the actions or intervals are approved as an alternative method of compliance (AMOC) in accordance with the procedures specified in paragraph (h) of this AD.
Unsafe condition
This AD was prompted by the need to revise the Airworthiness Limitation section of the existing aircraft maintenance manual (AMM). The FAA is issuing this AD to revise the Airworthiness Limitations section of the existing AMM to introduce new mandatory repetitive inspections for the flap pivot arm assemblies and for the wing angle brackets on middle rib 23, and to implement a change to the Oxygen cylinder and pressure reducer task item. The unsafe condition, if not addressed, could result in reduced structural integrity and system reliability 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