Airworthiness directives › 2020-20-12
AD 2020-20-12 Airworthiness Directives; General Electric Company Turbofan Engines
Applicability*9
This AD applies to General Electric Company GEnx-1B64, -1B64/P1, -1B64/P2, -1B67, -1B67/P1, -1B67P2, -1B70, -1B70/75/P1, -1B70/75/P2, -1B70/P1, -1B70/P2, -1B70C/P1, -1B70C/P2, -1B74/75/P1, -1B74/75/P2, -1B76/P2, and -1B76A/P2 model turbofan engines.
Compliance
Comply with this AD within the compliance times specified, unless already done.
Required actions
Within 120 days after the effective date of this AD, install electronic engine control (EEC) software that is eligible for installation.
Unsafe condition
This AD was prompted by two reports of combustor case burn-through. The FAA is issuing this AD to prevent failure of the fuel nozzle. The unsafe condition, if not addressed, could result in damage to the combustor case, engine fire, and damage to the airplane.
Affected ADs
None.
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