AD 88-12-51 R1
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Bombardier Inc. | DHC-8-101 | Airworthiness Directives; Boeing Model DHC-8-100 Series Airplanes |
| aircraft | Bombardier Inc. | DHC-8-102 | Airworthiness Directives; Boeing Model DHC-8-100 Series Airplanes |
| aircraft | Bombardier Inc. | DHC-8-103 | Airworthiness Directives; Boeing Model DHC-8-100 Series Airplanes |
| aircraft | Bombardier Inc. | DHC-8-106 | Airworthiness Directives; Boeing Model DHC-8-100 Series Airplanes |
Unsafe Condition
Inadvertent unfeathering of the propeller during engine shutdown or fire procedures after V1 could occur.
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Required Actions
Insert a note in the AFM's Emergency Operating Procedures Section to delay engine shutdown checks until the third segment of the takeoff path, and complete the checks sequentially and uninterrupted. Alternatively, install the propeller autofeather latching logic wiring modification per Service Bulletin 8-61-12, Rev A, to remove the AFM note requirement.
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Compliance Time
Within 24 hours after the effective date of this AD
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Affected Aircraft
Boeing Model DHC-8-100 series airplanes, Serial Numbers 1 through 113
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Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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