# Proposed AD FAA-2022-1063: The Boeing Company Airplanes

- Type: Proposed airworthiness directive (not in force)
- Status: Became AD 2023-05-06
- Products: Boeing
- Product type: Aircraft
- Action: Notice of proposed rulemaking (NPRM).
- Published: November 28, 2022, 87 FR 72902
- Comments due: January 12, 2023
- Became: [AD 2023-05-06](https://openairdocs.org/ad/2023-05-06)
- Docket: FAA-2022-1063 (https://www.regulations.gov/docket/FAA-2022-1063, where comments are filed)
- Project: AD-2021-01339-T
- FR document: 2022-25722
- Official PDF: https://openairdocs.org/files/sha256/6f/23/6f2310dcb947d96519b06a7d42396d2f5a6664ab0c20bb2aad299e1e076beef1 (from https://www.govinfo.gov/content/pkg/FR-2022-11-28/pdf/2022-25722.pdf)
- Federal Register: https://www.federalregister.gov/documents/2022/11/28/2022-25722/airworthiness-directives-the-boeing-company-airplanes
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/FR-ADNPRM-2022-25722-00000000000.0001
- Page: https://openairdocs.org/proposed/FAA-2022-1063

## Summary

The FAA proposes to adopt a new airworthiness directive (AD) for certain The Boeing Company Model 737-8, 737-9, and 737-8200 airplanes. This proposed AD was prompted by a determination that a new airworthiness limitation is necessary to require periodic replacement of the oxygen sensor of the nitrogen generation system (NGS). This proposed AD would require revising the existing maintenance or inspection program, as applicable, to incorporate the new airworthiness limitation. The FAA is proposing this AD to address the unsafe condition on these products.

## Notices in this docket

- Nov 28, 2022: Notice of proposed rulemaking (NPRM). (first notice), FR document 2022-25722, comments due Jan 12, 2023 (https://www.federalregister.gov/documents/2022/11/28/2022-25722/airworthiness-directives-the-boeing-company-airplanes)

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