AD 90-07-01
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | BAE Systems (Operations) Limited | BAe 146-100A | Airworthiness Directives; British Aerospace Model BAe 146-100A Series Airplanes, Model BAe 146-200A Series Airplanes, and Model BAe 146-300A Series Airplanes |
| aircraft | BAE Systems (Operations) Limited | BAe 146-200A | Airworthiness Directives; British Aerospace Model BAe 146-100A Series Airplanes, Model BAe 146-200A Series Airplanes, and Model BAe 146-300A Series Airplanes |
| aircraft | BAE Systems (Operations) Limited | BAe 146-300A | Airworthiness Directives; British Aerospace Model BAe 146-100A Series Airplanes, Model BAe 146-200A Series Airplanes, and Model BAe 146-300A Series Airplanes |
Unsafe Condition
Loss of asymmetry protection and loss of airplane controllability.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Install a warning placard on shelf No. 5 beneath the flap computer stating 'WARNING - THIS EQUIPMENT MUST NOT BE REMOVED OR RE-RACKED IN FLIGHT'. Install a warning placard on circuit breaker panel 131-11-00 stating 'WARNING C/BREAKERS MUST NOT BE PULLED IN FLIGHT'.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
within 30 days after the effective date of this AD, unless previously accomplished
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
Model BAe 146-100A series airplanes, Serial Numbers E1002 through E1100, E1102, and E1103; Model BAe 146-200A series airplanes, Serial Numbers E2012 through E2113, E2115 and E2118; and Model BAe 146-300A series airplanes, Serial Numbers E3118 through E3123 and E3125; 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 8, 2026
Rights: U.S. Government Public Domain
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