AD 91-14-11
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | BAE Systems (Operations) Limited | ATP | Airworthiness Directives; British Aerospace Model ATP Series Airplanes |
Unsafe Condition
Loss of the main landing gear (MLG) wheel from the axle and reduced controllability of the airplane on takeoff or landing.
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Required Actions
Install a new axle washer and a new axle nut on all MLG's in accordance with Dowty Aerospace Service Bulletin 200-32-137. An alternative method of compliance or adjustment of the compliance time may be used when approved by the FAA. Special flight permits may be issued under FAR 21.197 and 21.199 to operate airplanes to a base for compliance.
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Compliance Time
Within 60 days after the effective date of this AD, unless previously accomplished.
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Affected Aircraft
Model ATP series airplanes, on which Modification (c)AC11431 has not been accomplished, 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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