AD 2001-18-07
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Raytheon | Aircraft Company Beech Models 1900 | Airworthiness Directives; Raytheon Aircraft Company Beech Models 1900, 1900C, and 1900D Airplanes |
Unsafe Condition
Flap extension/retraction failures due to inner flexible shaft ends separating or disengaging, potentially leading to an asymmetric flap condition during flight if the flap safety switch fails to function properly.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Inspect all four flap flexible shaft assemblies for correct diagonal wrap and installation. Replace any flap flexible shaft assembly with an incorrect diagonal wrap or installation.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Within the next 200 hours time-in-service (TIS) after October 12, 2001, unless already accomplished.
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
Raytheon Aircraft Company Beech Models 1900 (serials UA-2 and UA-3), 1900C (serials UB-1 through UB-74 and UC-1 through UC-174), 1900C (C-12J) (serials UD-1 through UD-6), and 1900D (serials UE-1 through UE-345, UE-347 through UE-361, UE-364, UE-367, UE-373, and UE-379).
AI-generated summary from the source AD text. Verify against the official source before acting.
Source: Official FAA Source ↗
Retrieved: Apr 6, 2026
Rights: U.S. Government Public Domain
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