AD 84-04-02
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Airbus | A300 B2-1A | Airworthiness Directives; AIRBUS INDUSTRIE Model A300 B2 and B4 Series Airplanes |
| aircraft | Airbus | A300 B2-1C | Airworthiness Directives; AIRBUS INDUSTRIE Model A300 B2 and B4 Series Airplanes |
| aircraft | Airbus | A300 B2-203 | Airworthiness Directives; AIRBUS INDUSTRIE Model A300 B2 and B4 Series Airplanes |
| aircraft | Airbus | A300 B2K-3C | Airworthiness Directives; AIRBUS INDUSTRIE Model A300 B2 and B4 Series Airplanes |
| aircraft | Airbus | A300 B4-103 | Airworthiness Directives; AIRBUS INDUSTRIE Model A300 B2 and B4 Series Airplanes |
| aircraft | Airbus | A300 B4-203 | Airworthiness Directives; AIRBUS INDUSTRIE Model A300 B2 and B4 Series Airplanes |
| aircraft | Airbus | A300 B4-2C | Airworthiness Directives; AIRBUS INDUSTRIE Model A300 B2 and B4 Series Airplanes |
Unsafe Condition
Cracks in the upper machined skins of the lefthand, righthand, and center spar boxes of the horizontal stabilizer could lead to possible structural failure of the horizontal stabilizer.
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Required Actions
Inspect the upper skins of the horizontal stabilizer's spar boxes in accordance with Airbus Industrie Service Bulletin A300-55-022, Revision 1. Repeat inspections at intervals not exceeding 3,000 hours total time in service until 21,000 hours, then at intervals not exceeding 1,500 hours. Address cracks by following the Modification, Inspection and Repair Alternatives Flow Chart in Figure 1 of the Service Bulletin. Incorporation of Modification 1642 terminates AD requirements.
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Compliance Time
Prior to the accumulation of 12,000 hours time in service, or within the next 300 hours time in service after the effective date of this AD, whichever occurs later
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Affected Aircraft
AIRBUS INDUSTRIE Model A300 B2 and B4 series airplanes that have not incorporated modification No. 1642 as described in Service Bulletin A300-55-017, Revision 3.
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Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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