AD 90-05-07
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | BAE Systems (Operations) Limited | BAe 146-200A | Airworthiness Directives; British Aerospace Model BAe 146-200A and -300A Series Airplanes |
| aircraft | BAE Systems (Operations) Limited | BAe 146-300A | Airworthiness Directives; British Aerospace Model BAe 146-200A and -300A Series Airplanes |
Unsafe Condition
Insufficient clearance between the lower edge of the cabin insulation bags and the floor structure could restrict air passage during rapid decompression, posing a safety hazard.
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Required Actions
Inspect cabin insulation bags between frames 19 to 26 and 32 to 40 on both sides to ensure the lower edge is 4 inches above the floor. If insufficient clearance, fold under the lower edge and secure the insulation bags before further flight. Obtain compliance via British Aerospace Service Bulletin 25-A157.
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Compliance Time
within 30 days after the effective date of this AD, unless previously accomplished
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Affected Aircraft
British Aerospace Model BAe 146-200A and -300A series airplanes equipped with Modification HCM30107C and HCM30300A
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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