// FAA AD DETAIL
FAA AD Detail
FAA 2026-02-09
FAA 2026-02-09
CurrentAD Final Rules
- Subject
- This AD was prompted by reports of a cracked main gearbox (MGB) support case. The FAA is issuing this AD to prevent structural failure of the MGB support case. The unsafe condition, if not addressed, could result in loss of control of the helicopter.
- Model
- AB412 | AB412 EP
- Docket Number
- FAA-2026-0021
- Amendment Number
- Publish Date
- 2026-03-02
- Effective Date
- 2026-02-18
- Superseded AD
- Superseded By