AD 2020-12-01

Recurring final rule
Data completeness: 70%

Airworthiness Directives; Rolls-Royce Deutschland Ltd & Co KG (Type Certificate Previously Held by Rolls-Royce plc) Turbofan Engines

AD Number
2020-12-01
Status
final_rule
Effective Date
Product Category
engine
Docket
Docket No. FAA-2019-1109
FR Citation
85 FR 34959

Applicability

TypeManufacturerModelDetails
aircraft Rolls-Royce plc Various Airworthiness Directives; Rolls-Royce Deutschland Ltd & Co KG (Type Certificate Previously Held by Rolls-Royce plc) Turbofan Engines
engine Rolls-Royce Deutschland Ltd Airworthiness Directives; Rolls-Royce Deutschland Ltd & Co KG (Type Certificate Previously Held by Rolls-Royce plc) Turbofan Engines

Unsafe Condition

The low-pressure compressor (LPC) outlet guide vane (OGV) assembly and LPC OGV outer mount ring assembly have a life that could be substantially less than one shop visit interval when the front engine mount is in the fail-safe condition.

AI-generated summary from the source AD text. Verify against the official source before acting.

Required Actions

Initial and repetitive inspections of the LPC OGV outer mount ring assembly, and depending on the results of the inspections, possible replacement of the LPC OGV outer mount ring assembly.

AI-generated summary from the source AD text. Verify against the official source before acting.

Compliance Time

Before further flight

AI-generated summary from the source AD text. Verify against the official source before acting.

Affected Aircraft

Rolls-Royce Deutschland Ltd & Co KG (RRD) Trent XWB-75, XWB-79, XWB-79B, and XWB-84 model turbofan engines.

AI-generated summary from the source AD text. Verify against the official source before acting.

Source: Official FAA Source ↗

Retrieved: Apr 6, 2026

Rights: U.S. Government Public Domain

This site is not affiliated with or endorsed by the FAA. Always verify with official sources.