AD 2010-14-04
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Airbus | A330-243 | Airworthiness Directives; Airbus Model A330-243, -341, -342, and -343 Airplanes; and Model A340-541 and -642 Airplanes; Equipped With Rolls-Royce Trent 500 and Trent 700 Series Engines |
| aircraft | Aviat | Various | Airworthiness Directives; Airbus Model A330-243, -341, -342, and -343 Airplanes; and Model A340-541 and -642 Airplanes; Equipped With Rolls-Royce Trent 500 and Trent 700 Series Engines |
| engine | Rolls-Royce | Trent 500 and Trent 700 Series | Airworthiness Directives; Airbus Model A330-243, -341, -342, and -343 Airplanes; and Model A340-541 and -642 Airplanes; Equipped With Rolls-Royce Trent 500 and Trent 700 Series Engines |
Unsafe Condition
The tightening torque settings on the Rolls-Royce Trent 500 and Trent 700 forward (FWD) and aft (AFT) engine mount link pin retention bolts have always been higher than the design value. If bolts fail and move away due to over-torque, it could lead to loss of the vertical load pins, resulting in loss of the primary and/or secondary load path of the forward and/or aft engine mount, which could potentially lead to engine separation.
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Required Actions
Conduct a one-time detailed visual inspection of the FWD and AFT engine mount link pin retention bolts. Replace any over-torqued bolts identified during the inspection.
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Compliance Time
Within 12 months of the effective date (August 5, 2010)
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Affected Aircraft
Airbus Model A330-243, -341, -342, and -343 airplanes; and Model A340-541 and -642 airplanes, certificated in any category, equipped with Rolls-Royce Trent 500 and Trent 700 series engines.
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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