# Airworthiness Directives; Rolls-Royce Deutschland Ltd & Co KG (Type Certificate Previously Held by Rolls-Royce plc) Turbofan Engines
> **Rule** · Final rule. · Published 2020-07-27 · Effective 2020-08-31 · 85 FR 45079
## Document
- **Document number:** 2020-16119
- **Category:** airworthiness
- **Manufacturer:** Rolls-Royce Deutschland Ltd & Co KG (Type Certificate Previously Held by Rolls-Royce plc) Turbofan
- **Type:** Rule
- **Action:** Final rule.
- **Citation:** 85 FR 45079
- **Publication date:** 2020-07-27
- **Effective date:** 2020-08-31
- **FAA docket:** Docket No. FAA-2020-0424
## Abstract

The FAA is adopting a new airworthiness directive (AD) for all Rolls-Royce Deutschland Ltd & Co KG (RRD) Trent 1000-A, Trent 1000-A2, Trent 1000-AE, Trent 1000-AE2, Trent 1000-C, Trent 1000-C2, Trent 1000- CE, Trent 1000-CE2, Trent 1000-D, Trent 1000-D2, Trent 1000-E, Trent 1000-E2, Trent 1000-G, Trent 1000-G2, Trent 1000-H, Trent 1000-H2, Trent 1000-J2, Trent 1000-K2, and Trent 1000-L2 model turbofan engines. This AD was prompted by the manufacturer identifying 38 low-pressure compressor (LPC) front cases that have non-optimal properties that could inhibit their ability to contain certain engine failures. This AD requires removing the LPC front case from service and replacing it with a part eligible for installation. The FAA is issuing this AD to address the unsafe condition on these products.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2020/07/27/2020-16119/airworthiness-directives-rolls-royce-deutschland-ltd-and-co-kg-type-certificate-previously-held-by)
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