# Proposed AD FAA-2021-0265: Airbus Helicopters Deutschland GmbH (AHD) Helicopters

- Type: Proposed airworthiness directive (not in force)
- Status: Became AD 2021-12-16
- Products: Airbus Helicopters Deutschland
- Product type: Aircraft
- Action: Notice of proposed rulemaking (NPRM).
- Published: April 8, 2021, 86 FR 18221
- Comments due: May 24, 2021
- Became: [AD 2021-12-16](https://openairdocs.org/ad/2021-12-16)
- Docket: FAA-2021-0265 (https://www.regulations.gov/docket/FAA-2021-0265, where comments are filed)
- Project: MCAI-2020-01541-R
- FR document: 2021-07127
- Official PDF: https://openairdocs.org/files/sha256/75/f9/75f952e5e89307822500f951cab8d15317ae9585c5a8e6085b1bf6feff0f68b9 (from https://www.govinfo.gov/content/pkg/FR-2021-04-08/pdf/2021-07127.pdf)
- Federal Register: https://www.federalregister.gov/documents/2021/04/08/2021-07127/airworthiness-directives-airbus-helicopters-deutschland-gmbh-ahd-helicopters
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/9E2D72B7EE3BE5E8862586B20047E616.0001
- Page: https://openairdocs.org/proposed/FAA-2021-0265

## Summary

The FAA proposes to adopt a new airworthiness directive (AD) for Airbus Helicopters Deutschland GmbH (AHD) Model MBB-BK117 C-2 and MBB-BK117 D-2 helicopters. This proposed AD was prompted by a report of increased control force in the collective axis. This proposed AD would require repetitive visual inspections of the main rotor actuator (MRA), as specified in a European Union Aviation Safety Agency (EASA) AD, which is proposed for incorporation by reference (IBR). The FAA is proposing this AD to address the unsafe condition on these products.

## Notices in this docket

- Apr 8, 2021: Notice of proposed rulemaking (NPRM). (first notice), FR document 2021-07127, comments due May 24, 2021 (https://www.federalregister.gov/documents/2021/04/08/2021-07127/airworthiness-directives-airbus-helicopters-deutschland-gmbh-ahd-helicopters)

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