AD 2013-10-52
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| engine | General Electric | Company | Airworthiness Directives; General Electric Company Turbofan Engines |
Unsafe Condition
TGB radial gear cracking and separation, which can result in in-flight shutdowns (IFSDs), loss of thrust control, and damage to the airplane.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Prohibit operation of an airplane with affected TGBs installed on both engines five days after the effective date of this AD.
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Compliance Time
Within five days after the effective date of this AD.
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Affected Aircraft
General Electric Company GE90-110B1 and GE90-115B turbofan engines with a transfer gearbox assembly (TGB), part number 2115M33G07 or 2115M33G08, and specific serial numbers listed in Figure 1 of the AD.
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Source: Official FAA Source ↗
Retrieved: Apr 6, 2026
Rights: U.S. Government Public Domain
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