AD 2022-19-03
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Pilatus | Aircraft Ltd | Airworthiness Directives; Pilatus Aircraft Ltd. Airplanes |
| aircraft | Bell | Various | Airworthiness Directives; Pilatus Aircraft Ltd. Airplanes |
| aircraft | Aviat | Various | Airworthiness Directives; Pilatus Aircraft Ltd. Airplanes |
Unsafe Condition
Failure of the main landing gear (MLG) actuator bottom attachment bolts, part number 532.10.12.218, identified with 'VLG' on the bolt head, due to hydrogen embrittlement, and failure of the rudder bellcrank, which could lead to loss of airplane control.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Incorporate new revisions to the airworthiness limitations section (ALS) of the existing airplane maintenance manual (AMM) or Instructions for Continued Airworthiness (ICA) to establish a 5-year life limit for certain MLG actuator bottom attachment bolts and new life limits for the rudder bellcrank.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Before further flight
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
Pilatus Aircraft Ltd., Model PC-12, PC-12/45, PC-12/47, and PC-12/47E airplanes.
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.