AD 2007-14-04
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Aviat | Various | Airworthiness Directives; Pacific Aerospace Corporation, Ltd Model 750XL Airplanes |
Unsafe Condition
The rudder trim tab upper pivot hole in the rudder rib flogging out, which may lead to aerodynamic flutter and possible loss of aircraft control.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Inspect the rudder trim tab upper pivot for any lateral movement of the bush. If lateral movement is found, install modification PAC/XL/0267. Inspections must occur within 150 hours time-in-service after the effective date and at intervals not exceeding 150 hours TIS. Modification PAC/XL/0267 must be installed within 450 hours TIS or 24 months after the effective date, whichever occurs first.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Within 150 hours time-in-service for inspections and within 450 hours TIS or 24 months for modification, whichever occurs first.
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Affected Aircraft
Pacific Aerospace Corporation, Ltd Model 750XL airplanes, all serial numbers, not fitted with modification PAC/XL/0267 (upper bearing part number 11-33121-1), and certificated in any category.
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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