AD 88-15-04
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | The Boeing Company | 767-200 Series | Airworthiness Directives; BOEING Model 767 Series Airplanes |
| aircraft | The Boeing Company | 767-300 Series | Airworthiness Directives; BOEING Model 767 Series Airplanes |
| aircraft | The Boeing Company | 767-300F Series | Airworthiness Directives; BOEING Model 767 Series Airplanes |
Unsafe Condition
Failure of the main landing gear to fully extend and lock due to faulty actuator piston seals or obsolete configuration rod seals.
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Required Actions
Inspect the main landing gear drag brace actuators within 300 hours time-in-service after the effective date. Repeat inspections at intervals not exceeding 100 hours time-in-service if actuator has less than 200 hours total time-in-service. Replace or modify actuators with swollen or obsolete seals before further flight, and follow Boeing Service Bulletin 767-32A0071.
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Compliance Time
within the next 300 hours time-in-service after the effective date of this AD
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Affected Aircraft
Boeing Model 767-200 Series, 767-300 Series, 767-300F Series airplanes listed in Boeing Alert Service Bulletin 767-32A0071 dated June 2, 1988.
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Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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