Summary
We are adopting a new airworthiness directive (AD) for all Rolls-Royce plc (RR) RB211-535E4-37, RB211-535E4-B-37, RB211-535E4-C- 37, and RB211-535E4-B-75 turbofan engines. This AD requires removal of affected parts using a drawdown plan. This AD was prompted by RR updating the low-cycle-fatigue life analysis for the low pressure turbine (LPT) stage 2 discs. We are issuing this AD to prevent LPT stage 2 disc failure, which could result in uncontained engine damage and damage to the airplane.
Directive Details
AD Number
FAA-2013-0052
Document Number
2013-23448
Type
Rule
Publication Date
October 3, 2013
Effective Date
November 7, 2013
Affected Manufacturer
Rolls-Royce plc Turbofan
Criticality
important
Emergency
No
Docket ID
Docket No. FAA-2013-0052
Topics
Official Documents
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