AD 90-26-03
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Airbus | A300 B4-103 | Airworthiness Directives; AIRBUS INDUSTRIE Model A300 B4-100 and B4-200, A310-200 and -300, and A300-600 B4- 600 Series Airplanes |
| aircraft | Airbus | A300 B4-203 | Airworthiness Directives; AIRBUS INDUSTRIE Model A300 B4-100 and B4-200, A310-200 and -300, and A300-600 B4- 600 Series Airplanes |
| aircraft | Airbus | A300 B4-601 | Airworthiness Directives; AIRBUS INDUSTRIE Model A300 B4-100 and B4-200, A310-200 and -300, and A300-600 B4- 600 Series Airplanes |
| aircraft | Airbus | A300 B4-603 | Airworthiness Directives; AIRBUS INDUSTRIE Model A300 B4-100 and B4-200, A310-200 and -300, and A300-600 B4- 600 Series Airplanes |
| aircraft | Airbus | A300 B4-605R | Airworthiness Directives; AIRBUS INDUSTRIE Model A300 B4-100 and B4-200, A310-200 and -300, and A300-600 B4- 600 Series Airplanes |
| aircraft | Airbus | A300 B4-620 | Airworthiness Directives; AIRBUS INDUSTRIE Model A300 B4-100 and B4-200, A310-200 and -300, and A300-600 B4- 600 Series Airplanes |
| aircraft | Airbus | A300 B4-622 | Airworthiness Directives; AIRBUS INDUSTRIE Model A300 B4-100 and B4-200, A310-200 and -300, and A300-600 B4- 600 Series Airplanes |
| aircraft | Airbus | A300 B4-622R | Airworthiness Directives; AIRBUS INDUSTRIE Model A300 B4-100 and B4-200, A310-200 and -300, and A300-600 B4- 600 Series Airplanes |
| aircraft | Airbus | A310-203 | Airworthiness Directives; AIRBUS INDUSTRIE Model A300 B4-100 and B4-200, A310-200 and -300, and A300-600 B4- 600 Series Airplanes |
| aircraft | Airbus | A310-221 | Airworthiness Directives; AIRBUS INDUSTRIE Model A300 B4-100 and B4-200, A310-200 and -300, and A300-600 B4- 600 Series Airplanes |
Unsafe Condition
Corrosion and protection deterioration (paint and cadmium coating) of the main landing gear bogie beam could lead to rupture.
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Required Actions
Inspect the inner side of the bogie beam between the two axles per specified service bulletins. Repair or replace the beam if cracks or corrosion are found before further flight. Replace beams with corrosion traces in critical areas within 10 months. Perform repetitive inspections at intervals not exceeding 18 months for painted beams or 3 years 6 months if no defects. Incorporate MHB Modification 784 as a terminating action.
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Compliance Time
For new beams: before reaching 6 years 6 months since new or within 60 days after AD effective date, whichever is later. For overhauled beams: within 6 months after AD effective date or before 3 years 6 months since overhaul, whichever is later. Repairs must be done before further flight.
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Affected Aircraft
Airbus Model A300 B4-100, B4-200, A310-200, -300, and A300-600 B4-600 series airplanes without Messier Hispano Bugatti Modification 784.
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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