# Proposed AD FAA-2020-1110: Airbus Canada Limited Partnership (Type Certificate Previously Held by C Series Aircraft Limited Partnership (CSALP); Bombardier, Inc.) Airplanes

- Type: Proposed airworthiness directive (not in force)
- Status: Became AD 2021-04-05
- Products: Airbus Canada Limited Partnership
- Product type: Aircraft
- Action: Notice of proposed rulemaking (NPRM).
- Published: December 7, 2020, 85 FR 78805
- Comments due: January 21, 2021
- Became: [AD 2021-04-05](https://openairdocs.org/ad/2021-04-05)
- Docket: FAA-2020-1110 (https://www.regulations.gov/docket/FAA-2020-1110, where comments are filed)
- Project: MCAI-2020-01003-T
- FR document: 2020-26764
- Official PDF: https://openairdocs.org/files/sha256/5d/17/5d17936b006fe5f588e85b695f92fed149ff2c66a9230f109213805cb95b5c13 (from https://www.govinfo.gov/content/pkg/FR-2020-12-07/pdf/2020-26764.pdf)
- Federal Register: https://www.federalregister.gov/documents/2020/12/07/2020-26764/airworthiness-directives-airbus-canada-limited-partnership-type-certificate-previously-held-by-c
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/413C33B5B7F89DE5862586370052930B.0001
- Page: https://openairdocs.org/proposed/FAA-2020-1110

## Summary

The FAA proposes to supersede Airworthiness Directive (AD) 2019-23-15, which applies to certain Airbus Canada Limited Partnership Model BD-500-1A10 and BD-500-1A11 airplanes. AD 2019-23-15 requires revising the existing maintenance or inspection program, as applicable, to incorporate new or more restrictive airworthiness limitations. Since the FAA issued AD 2019-23-15, the FAA has determined that new or more restrictive airworthiness limitations are necessary. This proposed AD would require revising the existing maintenance or inspection program, as applicable, to incorporate new or more restrictive airworthiness limitations. The FAA is proposing this AD to

((Page 78806))

address the unsafe condition on these products.

## Notices in this docket

- Dec 7, 2020: Notice of proposed rulemaking (NPRM). (first notice), FR document 2020-26764, comments due Jan 21, 2021 (https://www.federalregister.gov/documents/2020/12/07/2020-26764/airworthiness-directives-airbus-canada-limited-partnership-type-certificate-previously-held-by-c)

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