AD 86-14-51 R1
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Bombardier Inc. | DHC-8-101 | Airworthiness Directives; DeHavilland Model DHC-8-101 Series Airplanes |
Unsafe Condition
Uncommanded deployment of ground spoilers and roll control spoilers in the ground mode.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Lockout circuit breakers ROLL SPLRS CONT (location F6) and GND SPLRS CONT (location C7), install a placard on the glareshield under the flight/taxi switch, insert this AD in the AFM Limitations Section, and within 6 months after the effective date, modify the Landing Gear Proximity Switch Electronic Unit (PSEU) and electrical power phase supply per specified service bulletins, remove the placard, and reinstate equipment.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Prior to further flight and within 6 months after the effective date of this amendment.
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
DeHavilland Model DHC-8-101 series airplanes, Serial Number 003 and subsequent.
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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