AD 82-26-04
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Dornier Luftfahrt GmbH | Do 28 D-1 | Airworthiness Directives; DORNIER Model DO28D-1 Airplanes |
Unsafe Condition
Restriction of control movement due to jamming of the ARC PA-500A actuator gear train.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Inspect the ARC PA-500A actuator within 100 hours time-in-service after the effective date and every 100 hours thereafter per Dornier Service Bulletin No. 1069-2820. Modify the actuator within 12 months after the effective date per the same service bulletin. Discontinue inspections after modifications are completed.
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Compliance Time
Within the next 100 hours time-in-service after the effective date of this AD and thereafter at intervals not to exceed 100 hours time-in-service for inspections; within 12 months after the effective date for modifications.
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Affected Aircraft
Dornier Luftfahrt GmbH Model DO28D-1 airplanes with serial numbers 4036, 4037, 4050, 4055 through 4058, 4303, 4308 through 4318, 4321 through 4325, 4331, and 4332, equipped with ARC PA-500A autopilot actuators.
AI-generated summary from the source AD text. Verify against the official source before acting.
Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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