# Proposed AD FAA-2021-0023: Saab AB, Support and Services (Formerly Known as Saab AB, Saab Aeronautics) Airplanes

- Type: Proposed airworthiness directive (not in force)
- Status: Became AD 2021-09-11
- Products: Saab AB, Support and Services
- Product type: Aircraft
- Action: Notice of proposed rulemaking (NPRM).
- Published: February 24, 2021, 86 FR 11184
- Comments due: April 12, 2021
- Became: [AD 2021-09-11](https://openairdocs.org/ad/2021-09-11)
- Docket: FAA-2021-0023 (https://www.regulations.gov/docket/FAA-2021-0023, where comments are filed)
- Project: MCAI-2020-01407-T
- FR document: 2021-03575
- Official PDF: https://openairdocs.org/files/sha256/1a/50/1a50077654ca390c17ea18d74c98eaa3f8f5dc507e88763a58dd460d343f71b7 (from https://www.govinfo.gov/content/pkg/FR-2021-02-24/pdf/2021-03575.pdf)
- Federal Register: https://www.federalregister.gov/documents/2021/02/24/2021-03575/airworthiness-directives-saab-ab-support-and-services-formerly-known-as-saab-ab-saab-aeronautics
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/5F3DC81D6E518BBB86258686005CDAAA.0001
- Page: https://openairdocs.org/proposed/FAA-2021-0023

## Summary

The FAA proposes to adopt a new airworthiness directive (AD) for all Saab AB, Support and Services Model SAAB 2000 airplanes. This proposed AD was prompted by a report indicating that the left-hand main landing gear (MLG) collapsed after touchdown, causing severe damage to the airplane. This proposed AD would require modifying the MLG hydraulic transfer valve, as specified in a European Union Aviation Safety Agency (EASA) AD, which is proposed for incorporation by reference. The FAA is proposing this AD to address the unsafe condition on these products.

## Notices in this docket

- Feb 24, 2021: Notice of proposed rulemaking (NPRM). (first notice), FR document 2021-03575, comments due Apr 12, 2021 (https://www.federalregister.gov/documents/2021/02/24/2021-03575/airworthiness-directives-saab-ab-support-and-services-formerly-known-as-saab-ab-saab-aeronautics)

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.