EASA AD DCA-750XL-31
Firewall Wiring Penetrations — Inspection
Summary
The Airworthiness Directive DCA/750XL/31 Firewall Wiring Penetrations – Inspection is issued by the Civil Aviation Authority of New Zealand and applies to Pacific Aerospace Limited 750XL aircraft with serial numbers up to and including 221. This directive mandates inspection and corrective action to address potential ineffective firewall sealing for wiring penetrations. The directive requires compliance with Pacific Aerospace Mandatory Service Bulletin PACSB/XL/101 issue 1 or later approved revisions.
What Changed
This new Airworthiness Directive introduces mandatory inspection and corrective measures for firewall wiring penetrations on affected Pacific Aerospace 750XL aircraft. It requires operators to follow specific instructions to improve firewall sealing by installing new components such as firewall penetration tubes, firesleeve, and hose clips as detailed in the referenced service bulletin.
Why It Matters
This directive is critical for maintaining the safety and airworthiness of Pacific Aerospace 750XL aircraft by addressing a potential unsafe condition related to firewall sealing. Proper compliance helps prevent fire hazards caused by ineffective sealing around wiring penetrations, ensuring regulatory compliance and enhancing operational safety for operators and maintenance organizations.
What To Do
Operators of Pacific Aerospace 750XL aircraft with serial numbers up to 221 must inspect and correct firewall wiring penetrations by following the instructions in Pacific Aerospace Mandatory Service Bulletin PACSB/XL/101 issue 1 or later approved revisions. Compliance must be achieved within the next 300 hours time in service or by 2018-10-05, whichever occurs first.
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