AD 2020-21-21
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Leonardo | S.p.a. | Airworthiness Directives; Leonardo S.p.a. Helicopters |
Unsafe Condition
disbonding of the washer from the main rotor (M/R) floating ring assembly, which could result in a significant increase of pilot workload 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
Inspect the main rotor (M/R) floating ring assembly to identify its serial number (S/N), and depending on findings, replace affected serial-numbered M/R floating ring assemblies. Replace any washer P/N 109-0111-23-101 on an M/R floating ring assembly installed on a helicopter.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Within 50 flight hours
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
Leonardo S.p.a. Model A109E, A109S, A119, AW109SP, and AW119MKII helicopters, with a main rotor (M/R) floating ring assembly part number (P/N) 109-0111-09-101 or P/N 109-0111-09-103 installed.
AI-generated summary from the source AD text. Verify against the official source before acting.
Source: Official FAA Source ↗
Retrieved: Apr 4, 2026
Rights: U.S. Government Public Domain
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