# Proposed AD FAA-2018-0286: Pacific Aerospace Limited Airplanes

- Type: Proposed airworthiness directive (not in force)
- Status: Became AD 2018-15-08
- Products: Pacific Aerospace
- Product type: Aircraft
- Action: Notice of proposed rulemaking (NPRM).
- Published: April 11, 2018, 83 FR 15517
- Comments due: May 29, 2018
- Became: [AD 2018-15-08](https://openairdocs.org/ad/2018-15-08)
- Docket: FAA-2018-0286 (https://www.regulations.gov/docket/FAA-2018-0286, where comments are filed)
- FR document: 2018-07433
- Official PDF: https://openairdocs.org/files/sha256/17/2e/172e9f834b10aa27501023b91ab4e509b809745e994ec7e7305d04a14c1c0718 (from https://www.govinfo.gov/content/pkg/FR-2018-04-11/pdf/2018-07433.pdf)
- Federal Register: https://www.federalregister.gov/documents/2018/04/11/2018-07433/airworthiness-directives-pacific-aerospace-limited-airplanes
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/45667F91C82ED1DA8625826D005DA3FA.0001
- Page: https://openairdocs.org/proposed/FAA-2018-0286

## Summary

We propose to adopt a new airworthiness directive (AD) for certain Pacific Aerospace Limited Model 750XL airplanes. This proposed AD results from 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 airplane sound insulation materials attached to the aft face of the firewall not complying with the applicable burn testing criteria for materials on the cabin side of the firewall. We are issuing this proposed AD to require actions to address the unsafe condition on these products.

## Notices in this docket

- Apr 11, 2018: Notice of proposed rulemaking (NPRM). (first notice), FR document 2018-07433, comments due May 29, 2018 (https://www.federalregister.gov/documents/2018/04/11/2018-07433/airworthiness-directives-pacific-aerospace-limited-airplanes)

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