AD 86-05-03
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Bombardier Inc. | DHC-8-101 | Airworthiness Directives; DeHavilland Model DHC-8-101 Airplanes |
Unsafe Condition
The elevator and spring tab may not maintain structural integrity due to insufficient mass balance weights on the elevator and spring tab assembly.
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Required Actions
Inspect and modify the elevator mass balance weights according to Service Bulletin A8-55-4 for serial numbers 1-14, and incorporate Modification 8/0468 with Service Bulletin A8-55-3 for serial numbers 15-24. Remove Airplane Flight Manual limitations after modification for serial numbers 15-24.
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Compliance Time
within the next 200 flight hours or 30 days after the effective date of this AD, whichever comes first
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Affected Aircraft
DeHavilland Model DHC-8-101 airplanes, serial numbers 1 through 24
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Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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