AD 98-15-08
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | BAE Systems (Operations) Limited | Avro 146-RJ100A | Airworthiness Directives; British Aerospace Model BAe 146 and Model Avro 146-RJ Series Airplanes |
| aircraft | BAE Systems (Operations) Limited | Avro 146-RJ70A | Airworthiness Directives; British Aerospace Model BAe 146 and Model Avro 146-RJ Series Airplanes |
| aircraft | BAE Systems (Operations) Limited | Avro 146-RJ85A | Airworthiness Directives; British Aerospace Model BAe 146 and Model Avro 146-RJ Series Airplanes |
| aircraft | BAE Systems (Operations) Limited | BAe 146-100A | Airworthiness Directives; British Aerospace Model BAe 146 and Model Avro 146-RJ Series Airplanes |
| aircraft | BAE Systems (Operations) Limited | BAe 146-200A | Airworthiness Directives; British Aerospace Model BAe 146 and Model Avro 146-RJ Series Airplanes |
| aircraft | BAE Systems (Operations) Limited | BAe 146-300A | Airworthiness Directives; British Aerospace Model BAe 146 and Model Avro 146-RJ Series Airplanes |
Unsafe Condition
Stress corrosion cracking in the wing skin, caused by the use of 7150-T651 aluminum material from a discrepant production lot with incorrect thickness, could result in reduced structural integrity of the wing.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Perform a detailed visual inspection of the top wing skins for stress corrosion cracks, damage, or missing protective finish within 4 months after the effective date. Repeat inspections at intervals not exceeding 4,000 landings or 2 years, whichever comes first. Repair any detected cracking and reapply protective finish if necessary before further flight.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Within 4 months after the effective date of this AD; and thereafter at intervals not to exceed 4,000 landings or 2 years, whichever occurs first
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
British Aerospace Model BAe 146 and Model Avro 146-RJ series airplanes listed in Service Bulletin SB.57-49, Revision 1, with wing skins made from 7150-T651 aluminum.
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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