AD 2016-18-05
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Pilatus | AIRCRAFT LTD | Airworthiness Directives; PILATUS AIRCRAFT LTD. Airplanes |
| aircraft | Aviat | Various | Airworthiness Directives; PILATUS AIRCRAFT LTD. Airplanes |
Unsafe Condition
Longitudinal material separation on the internal surface of the special tubes in the engine mounting frame assembly (EMF), part number 571.20.12.036, could lead to partial or complete failure of the structural joint and possibly result in in-flight detachment of the engine with consequent loss of control.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Inspect the engine mounting frame assembly (EMF) for indications of material separation. Replace the EMF with a serviceable one if material separation is detected.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Before further flight
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Affected Aircraft
PILATUS AIRCRAFT LTD. Models PC-12, PC-12/45, PC-12/47, and PC-12/47E airplanes, all serial numbers, installed with an affected engine mounting frame assembly (EMF), part number 571.20.12.036.
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
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