Summary
The FAA is adopting a new airworthiness directive (AD) for certain CFM International S.A. (CFM) CFM56-5B, CFM56-5C, and CFM56-7B model turbofan engines with a certain rotating air high-pressure turbine (HPT) front seal. This AD requires replacement of the affected rotating air HPT front seal with a part eligible for installation. This AD was prompted by cracks found in the rotating air HPT front seal. The FAA is issuing this AD to address the unsafe condition on these products.
Directive Details
AD Number
FAA-2019-0212
Document Number
2019-13040
Type
Rule
Publication Date
June 20, 2019
Effective Date
July 5, 2019
Affected Manufacturer
CFM International S.A. Turbofan
Criticality
routine
Emergency
No
Docket ID
Docket No. FAA-2019-0212
Topics
Official Documents
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