AD 2004-15-02
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| engine | Rolls-Royce | plc RB211 Trent 800 Series | Airworthiness Directives; Rolls-Royce plc RB211 Trent 800 Series Turbofan Engines |
Unsafe Condition
New production LP compressor fan blades found with surfaces formed outside of design intent, including sharp edges, burrs, and damage in the area at the top of the shear key slots, which could lead to cracking in the blade root caused by increased stresses in the shear key slots, potentially resulting in multiple uncontained LP compressor fan blade failure.
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Required Actions
Replace LP compressor fan blades with new or previously reworked blades at or before accumulating the specified cycles-since-new (CSN) as detailed in Table 1, or rework the existing blades following the Accomplishment Instructions of RR service bulletin (SB) No. RB.211-72-E044, Revision 1, dated May 2, 2003.
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Compliance Time
Within the specified cycles-since-new (CSN) as detailed in Table 1.
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Affected Aircraft
Rolls-Royce plc models RB211 Trent 875-17, Trent 877-17, Trent 884-17, Trent 884B-17, Trent 892-17, Trent 892B-17, and Trent 895-17 turbofan engines with low pressure (LP) compressor fan blades part number (P/N) FW18548 installed.
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Source: Official FAA Source ↗
Retrieved: Apr 6, 2026
Rights: U.S. Government Public Domain
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