AD 95-12-12
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Bombardier Inc. | DHC-8-102 | Airworthiness Directives; de Havilland Model DHC-8-102, -103, and -106 Series Airplanes |
| aircraft | Bombardier Inc. | DHC-8-103 | Airworthiness Directives; de Havilland Model DHC-8-102, -103, and -106 Series Airplanes |
| aircraft | Bombardier Inc. | DHC-8-106 | Airworthiness Directives; de Havilland Model DHC-8-102, -103, and -106 Series Airplanes |
Unsafe Condition
Contamination of the weight-on-wheels relay contacts in the stall warning computer could lead to incorrect logic detection of the weight-on-wheels signal and subsequent loss of the stick shaker function.
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Required Actions
Repetitive operational testing of the No. 1 and No. 2 stall warning computers to ensure activation of the associated stick shakers, and replacement of non-operational stall warning computers with new or serviceable units. Accomplishment of Service Bulletin S.B. 8-27-76 provides an optional terminating action for the repetitive tests.
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Compliance Time
Effective June 28, 1995
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Affected Aircraft
de Havilland Model DHC-8-102, -103, and -106 series airplanes, serial numbers 003 and subsequent; equipped with Safe Flight stall warning computers having part number 3605-4, -5, or -6; and on which Modification 8/2072 has not been installed.
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Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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