AD 89-03-15
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Dornier Luftfahrt GmbH | Do 28 D | Airworthiness Directives; DORNIER Models Do28 D and Do28 D-1 Airplanes |
| aircraft | Dornier Luftfahrt GmbH | Do 28 D-1 | Airworthiness Directives; DORNIER Models Do28 D and Do28 D-1 Airplanes |
Unsafe Condition
Loose rivets in the horizontal tail bearing fittings and lateral skins and cracks in the rear fuselage frame 10420 and corner gusset could lead to loss of the horizontal tail.
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Required Actions
Visually inspect rivet connections between horizontal tail bearing fittings and lateral skins for loose rivets. Inspect rear fuselage frame 10420 and corner gusset for cracks. Replace loose rivets and repair cracks as per Dornier Service Bulletin No. 1110-3204 or instructions from Dornier approved by the FAA. Compliance must occur within the next 100 hours time-in-service and every 100 hours thereafter after the effective date.
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Compliance Time
within the next 100 hours time-in-service and every 100 hours time-in-service thereafter after the effective date of this AD
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Affected Aircraft
Dornier Luftfahrt GmbH Models Do28 D and Do28 D-1 (all serial numbers)
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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