AD 94-26-04
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | BAE Systems (Operations) Limited | Jetstream Model 4101 | Airworthiness Directives; Jetstream Model 4101 Airplanes |
Unsafe Condition
Failure of the bearings in the aileron quadrants, which could result in reduced controllability of the airplane.
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Required Actions
Install new swivel bearings in the left and right aileron quadrants (Modification JM41307A) to terminate inspection requirements. Inspect bearings in aileron quadrants within 7 days after March 28, 1994, and repeat inspections at intervals not exceeding 7 days if no damage found. Replace damaged bearings and repeat inspections within 7 days if damage found.
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Compliance Time
Within 7 days after March 28, 1994 (the effective date of AD 93-25-10, Amendment 39-8849).
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Affected Aircraft
Jetstream Model 4101 airplanes with constructors numbers 41004 and subsequent; not previously installed with Modification JM41307A or JM41307B.
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Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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