AD 2006-18-51
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Raytheon | Aircraft Company Models 1900 | Airworthiness Directives; Raytheon Aircraft Company Models 1900, 1900C, and 1900D Airplanes |
Unsafe Condition
Extensive cracks found in the wing rear spar lower caps and rear spar web, along with missing fasteners, could lead to wing failure and separation from the airplane, resulting in loss of control.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Perform a one-time visual inspection of both the left and right wing rear spar lower caps for cracks and other damage such as loose or missing fasteners; repair any cracks or damage found; and report any cracks or damage found to the FAA and Raytheon Aircraft Company.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Within 24 hours or prior to further flight, whichever occurs later, after September 8, 2006 (except for those who received emergency AD 2006-18-51, which became effective immediately upon receipt).
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
Raytheon Aircraft Company Models 1900 (serial number UA-3), 1900C (serial numbers UB-1 through UB-74, UC-1 through UC-174, and UD-1 through UD-6), and 1900D (serial numbers UE-1 through UE-439).
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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