AD 90-22-06
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Airbus | A300 B2-1A | Airworthiness Directives; AIRBUS INDUSTRIE Model A300-B2, A300-B2K, and A300-B4 Series Airplanes |
| aircraft | Airbus | A300 B2-1C | Airworthiness Directives; AIRBUS INDUSTRIE Model A300-B2, A300-B2K, and A300-B4 Series Airplanes |
| aircraft | Airbus | A300 B2-203 | Airworthiness Directives; AIRBUS INDUSTRIE Model A300-B2, A300-B2K, and A300-B4 Series Airplanes |
| aircraft | Airbus | A300 B2K-3C | Airworthiness Directives; AIRBUS INDUSTRIE Model A300-B2, A300-B2K, and A300-B4 Series Airplanes |
| aircraft | Airbus | A300 B4-103 | Airworthiness Directives; AIRBUS INDUSTRIE Model A300-B2, A300-B2K, and A300-B4 Series Airplanes |
| aircraft | Airbus | A300 B4-203 | Airworthiness Directives; AIRBUS INDUSTRIE Model A300-B2, A300-B2K, and A300-B4 Series Airplanes |
| aircraft | Airbus | A300 B4-2C | Airworthiness Directives; AIRBUS INDUSTRIE Model A300-B2, A300-B2K, and A300-B4 Series Airplanes |
| aircraft | Airbus | A300 B4-601 | Airworthiness Directives; AIRBUS INDUSTRIE Model A300-B2, A300-B2K, and A300-B4 Series Airplanes |
| aircraft | Airbus | A300 B4-603 | Airworthiness Directives; AIRBUS INDUSTRIE Model A300-B2, A300-B2K, and A300-B4 Series Airplanes |
| aircraft | Airbus | A300 B4-605R | Airworthiness Directives; AIRBUS INDUSTRIE Model A300-B2, A300-B2K, and A300-B4 Series Airplanes |
Unsafe Condition
Reduced structural capability of the horizontal stabilizer due to potential cracks in the upper skin and spar web joining parts of the trimmable horizontal stabilizer (THS).
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Required Actions
Perform a visual inspection of the upper skin and spar web joining parts of the THS using either the preferred or alternative method per Airbus Service Bulletin A300-55-0035. Depending on inspection results, revise AFM operational limits, install placards, repair cracks, conduct repetitive inspections at specified intervals, or use approved methods. Compliance with inspection timing based on landing counts as specified.
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Compliance Time
Required as indicated, unless previously accomplished. Initial inspections must be done within specified landing counts after the effective date (November 21, 1990) or prior to reaching specific landing thresholds, whichever comes first.
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Affected Aircraft
All Model A300-B2, A300-B2K, and A300-B4 series airplanes, certificated in any category.
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Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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