AD 2020-21-12
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
After exposure to low temperatures, the vinyl grommets that hold the upper panel assembly in position on the left-hand (LH) and right-hand (RH) emergency exits can become rigid. This unsafe condition, if not addressed, could result in failure of the emergency exits to open during an evacuation.
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Required Actions
Within 3 months after the effective date of this AD, replace each grommet P/N 944.87.32.001 holding the upper panel assembly in position on the LH and RH emergency exits with grommet P/N 525.26.24.035 in accordance with the Accomplishment Instructions, section 3.B., of Pilatus Aircraft Ltd PC-24 Service Bulletin No. 25-005, dated August 12, 2019. As of the effective date of this AD, do not install a grommet P/N 944.87.32.001 on any airplane.
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Compliance Time
Within 3 months after the effective date of this AD
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Affected Aircraft
Pilatus Aircraft Ltd. Model PC-24 airplanes, all serial numbers, with an emergency exit grommet part number (P/N) 944.87.32.001 installed, certificated in any category.
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Source: Official FAA Source ↗
Retrieved: Apr 4, 2026
Rights: U.S. Government Public Domain
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