AD 2020-23-06
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Airbus | Helicopters Model AS332C | Airworthiness Directives; Airbus Helicopters |
Unsafe Condition
Incorrect assembly of the main rotor hub, which could result in failure of the main rotor hub components and subsequent loss of control of the helicopter.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Remove at least one main rotor revolutions per minute (NR) sensor and borescope inspect the phonic wheel lock washer for correct height. If the height is correct, install the NR sensor. If the height is not correct, install the NR sensor and repair or replace the main rotor hub.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Within 55 hours time-in-service
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
Airbus Helicopters Model AS332C, AS332C1, AS332L, and AS332L1 helicopters with a main rotor hub assembly part number 332A31-0001-00, 332A31-0001-01, 332A31-0001-02, 332A31-0001-03, 332A31-0001-04, 332A31-0001-05, or 332A31-0001-06 installed.
AI-generated summary from the source AD text. Verify against the official source before acting.
Source: Official FAA Source ↗
Retrieved: Apr 6, 2026
Rights: U.S. Government Public Domain
This site is not affiliated with or endorsed by the FAA. Always verify with official sources.