# Proposed AD FAA-2023-1493: Bombardier, Inc., Airplanes

- Type: Proposed airworthiness directive (not in force)
- Status: Became AD 2023-20-10
- Products: Bombardier
- Product type: Aircraft
- Action: Notice of proposed rulemaking (NPRM).
- Published: July 14, 2023, 88 FR 45121
- Comments due: August 28, 2023
- Became: [AD 2023-20-10](https://openairdocs.org/ad/2023-20-10)
- Docket: FAA-2023-1493 (https://www.regulations.gov/docket/FAA-2023-1493, where comments are filed)
- Project: MCAI-2022-01105-T
- FR document: 2023-14879
- Official PDF: https://openairdocs.org/files/sha256/c4/e0/c4e02652923e313aa43092fedd72ae9ce3f8d15f2d7ef2c6153836161e04cfdf (from https://www.govinfo.gov/content/pkg/FR-2023-07-14/pdf/2023-14879.pdf)
- Federal Register: https://www.federalregister.gov/documents/2023/07/14/2023-14879/airworthiness-directives-bombardier-inc-airplanes
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/FR-ADNPRM-2023-14879-00000000000.0001
- Page: https://openairdocs.org/proposed/FAA-2023-1493

## Summary

The FAA proposes to adopt a new airworthiness directive (AD) for certain Bombardier, Inc., Model BD-700-2A12 airplanes. This proposed AD was prompted by a report that some of the multi-function spoiler (MFS) anti-rotation plates failed in-service due to a thin wall design. This proposed AD would require replacing the MFS anti-rotation plates, inspecting the MFS anti-rotation plates for cracking and hinge bolts for evidence of rotation, accomplishing applicable corrective actions, and performing a functional test of the multi-function spoiler control surfaces. The FAA is proposing this AD to address the unsafe condition on these products.

## Notices in this docket

- Jul 14, 2023: Notice of proposed rulemaking (NPRM). (first notice), FR document 2023-14879, comments due Aug 28, 2023 (https://www.federalregister.gov/documents/2023/07/14/2023-14879/airworthiness-directives-bombardier-inc-airplanes)

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