AD 2000-25-53
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Airbus | A330 | Airworthiness Directives; Airbus Model A330 Series Airplanes |
Unsafe Condition
Cracking of the barrel nuts of the engine aft mount, resulting from tensile overstress, which could lead to reduced structural integrity of the engine-to-pylon aft mount assembly or, in the case of multiple cracked nuts, possible loss of an engine.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Conduct repetitive detailed visual or borescopic inspections to detect cracking or other damage of the barrel nuts of the engine aft mount. Replace any cracked nut and its associated bolt with a new nut and bolt. If two or more nuts on the same engine mount are found cracked, replace all four nuts and their associated bolts.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Within 50 flight hours after the effective date of the AD.
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
Airbus Model A330 series airplanes equipped with Pratt & Whitney 4000 series engines fitted with engine aft mount nuts and bolts installed in accordance with Airbus Modification 46948.
AI-generated summary from the source AD text. Verify against the official source before acting.
Source: Official FAA Source ↗
Retrieved: Apr 6, 2026
Rights: U.S. Government Public Domain
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