Airworthiness directives › 2018-14-12
AD 2018-14-12 Airworthiness Directives; General Electric Company Turbofan Engines
Applicability*9
This AD applies to General Electric Company (GE) GEnx-1B64, -1B64/P1, -1B64/P2, -1B67, -1B67/P1, -1B67/P2, -1B70, -1B70/75/P1, -1B70/75/P2, -1B70/P1, -1B70/P2, -1B70C/P1, -1B70C/P2, -1B74/75/P1, and -1B74/75/P2 engines with air/oil extension duct, part number (P/N) 2332M85P01 or 2331M25G03, installed.
Compliance
Comply with this AD within the compliance times specified, unless already done.
Required actions
At the next engine shop visit after the effective date of this AD, remove air/oil extension ducts, P/N 2332M85P01 or 2331M25G03, and replace with a part eligible for installation.
Unsafe condition
This AD was prompted by reports of a center vent tube (CVT) failure. We are issuing this AD to prevent failure of the CVT. The unsafe condition, if not addressed, could result in failure of one or more engines, loss of thrust control, and loss of the airplane.
Affected ADs
None.
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