AD 2020-12-03

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
2020-12-03
Status
final_rule
Effective Date
Product Category
engine
Docket
Docket No. FAA-2020-0547
FR Citation
85 FR 34088

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

Unsafe Condition

A P30 (air pressure) sense line could become partially blocked with a mixture of ice and water, which would cause a time-lag in the P30 signal, interfering with the fuel flow limit calculations.

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

Required Actions

Updating the electronic engine control (EEC) software with EEC software that is eligible for installation within 365 days after the effective date of this AD.

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

Compliance Time

Within 365 days after the effective date of this AD

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

Affected Aircraft

All Rolls-Royce Deutschland Ltd & Co KG Trent XWB-97 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

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