AD 98-20-09
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | BAE Systems (Operations) Limited | Jetstream Model 4101 | Airworthiness Directives; British Aerospace Jetstream Model 4101 Airplanes |
Unsafe Condition
Inability of the main entrance door to open, which could delay or impede passengers from exiting the airplane or rescue personnel from entering during an emergency.
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Required Actions
Replace the 'G' lock rollers with new improved rollers. Clean and re-lubricate the 'speed' lock and 'G' lock systems with dry lubricant per Service Bulletin J41-52-058. Perform functional tests of the door systems prior to further flight as specified.
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Compliance Time
Within 60 days after the effective date of this AD
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Affected Aircraft
All Jetstream Model 4101 airplanes, certificated in any category.
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Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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