AD 98-21-31
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Airbus | A300 B2-1A | Airworthiness Directives; Airbus Model A300 Series Airplanes |
| aircraft | Airbus | A300 B2-1C | Airworthiness Directives; Airbus Model A300 Series Airplanes |
| aircraft | Airbus | A300 B2-203 | Airworthiness Directives; Airbus Model A300 Series Airplanes |
| aircraft | Airbus | A300 B2K-3C | Airworthiness Directives; Airbus Model A300 Series Airplanes |
| aircraft | Airbus | A300 B4-103 | Airworthiness Directives; Airbus Model A300 Series Airplanes |
| aircraft | Airbus | A300 B4-203 | Airworthiness Directives; Airbus Model A300 Series Airplanes |
| aircraft | Airbus | A300 B4-2C | Airworthiness Directives; Airbus Model A300 Series Airplanes |
Unsafe Condition
Cracking of the nuts and bolts of the engine attachment fittings due to overtorquing, which could propagate and result in separation of the engine from the airplane.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Incorporate correct torque values for installing nuts and bolts of engine attachment fittings into FAA-approved maintenance program within 10 flight cycles after the effective date. For affected airplanes with engine replacements between October 1, 1997, and 10 days after the effective date, either replace all nuts and bolts with new parts or inspect for cracks and replace if necessary within the same timeframe.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Within 10 flight cycles after the effective date of this AD
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Affected Aircraft
All Model A300 series airplanes equipped with CF6-50C2 engines, certificated in any category.
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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