AD 2024-06-15
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| engine | General Electric | Company | Airworthiness Directives; General Electric Company Engines |
Unsafe Condition
failure of the HPT due to liberation of the interstage HPT rotor seal rim
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Required Actions
perform an ultrasonic inspection (USI) of the interstage HPT rotor seal in accordance with the Accomplishment Instructions, paragraph 3.B.(2), of GE SB 72-0908, and remove the interstage HPT rotor seal from service if a non-serviceable indication is found
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Compliance Time
within the compliance times specified, unless already done
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Affected Aircraft
General Electric Company (GE) Model GE90-110B1 and GE90-115B engines with an installed interstage high-pressure turbine (HPT) rotor seal having a part number and serial number listed in Table 1 or Table 2 of GE GE90-100 Service Bulletin (SB) 72-0908 R00, dated July 7, 2023 (GE SB 72-0908)
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Source: Official FAA Source ↗
Retrieved: Apr 6, 2026
Rights: U.S. Government Public Domain
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