AD 98-18-18
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | BAE Systems (Operations) Limited | Jetstream Model 4101 | Airworthiness Directives; British Aerospace (Jetstream) Model 4101 Airplanes |
Unsafe Condition
Wear of the attach points of the uplock system of the nose landing gear (NLG) could result in damage to the adjacent emergency hydraulic system, or jamming of the uplock system and consequent inability to extend and retract the NLG.
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Required Actions
Modify the attach points of the uplock system of the nose landing gear (NLG) in accordance with Jetstream Alert Service Bulletin J41-53-041, dated July 25, 1997. An alternative method of compliance or adjustment of the compliance time may be used if approved by the FAA.
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Compliance Time
Prior to the accumulation of 9,000 total landings, or within 1,000 landings after the effective date of this AD, whichever occurs later.
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Affected Aircraft
Jetstream Model 4101 airplanes, constructor’s numbers 41004 through 41100 inclusive; 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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