AD 93-16-07
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | BAE Systems (Operations) Limited | BAe 146-100A | Airworthiness Directives; British Aerospace Model BAe 146 Series Airplanes |
| aircraft | BAE Systems (Operations) Limited | BAe 146-200A | Airworthiness Directives; British Aerospace Model BAe 146 Series Airplanes |
| aircraft | BAE Systems (Operations) Limited | BAe 146-300A | Airworthiness Directives; British Aerospace Model BAe 146 Series Airplanes |
Unsafe Condition
Malfunction of the airbrake could result in uncommanded airbrake extension or retraction, adversely affecting airplane performance.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Within 90 days after the effective date, perform a visual inspection to determine if Abex servo-valve part number 72189 is installed and identify its serial number. Depending on the serial number, remove the servo-valve, inspect for metallic debris, replace components, or reidentify the valve as per service bulletin. Prohibit installation of non-compliant Fairey Hydraulics servo-valve assemblies.
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Compliance Time
Within 90 days after the effective date of this AD, and prior to further flight as required.
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Affected Aircraft
British Aerospace Model BAe 146-100A, BAe 146-200A, BAe 146-300A airplanes with Fairey Hydraulics airbrake servo-valve assembly part number 3799H1 installed.
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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