Airworthiness directives › 2013-16-15
AD 2013-16-15 Airworthiness Directives; General Electric Company Turbofan Engines
Applicability*9
This AD applies to all General Electric Company (GE) model GEnx-2B67B turbofan engines with booster anti-ice (BAI) air duct, part number (P/N) 2469M32G01, and support bracket, P/N 2469M46G01, installed.
Compliance
(1) Perform an initial visual inspection of the BAI air duct, P/N 2469M32G01, for cracks prior to accumulating 400 cycles since new (CSN). (2) Thereafter, repeat the visual inspection within every 100 cycles since last inspection. (3) If cracks in the BAI air duct are found during any inspection required by this AD, remove the BAI air duct from service.
Required actions
As mandatory terminating action to the repetitive inspection requirement of this AD, at the next removal of BAI air duct, P/N 2469M32G01, or if the BAI air duct is found cracked, after the effective date of this AD, do the following: (1) Install new BAI air duct support brackets, P/Ns 2550M03G01, 2548M66G01, 2548M67P01, 2550M18G01, and 2550M17P01. (2) Replace the BAI air duct with one that is eligible for installation.
Unsafe condition
Comply with this AD within the compliance times specified, unless already done.
Affected ADs
None.
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