Summary
We are adopting a new airworthiness directive (AD) for all Rolls-Royce Deutschland Ltd & Co KG (RRD) model Spey 506-14A, Spey 555- 15, Spey 555-15H, Spey 555-15N, and Spey 555-15P turbofan engines. This AD requires reducing the maximum approved life limits for certain high- pressure compressor (HPC) stage 12 rotor disks. We are issuing this AD to correct the unsafe condition on these products.
Directive Details
AD Number
FAA-2017-0186
Document Number
2017-10437
Type
Rule
Publication Date
May 26, 2017
Effective Date
June 12, 2017
Affected Manufacturer
Rolls-Royce Deutschland Ltd & Co KG Turbofan
Criticality
routine
Emergency
No
Docket ID
Docket No. FAA-2017-0186
Topics
Official Documents
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