Data / Federal rules / 2025-04214
Airworthiness Directives; Rolls-Royce Deutschland Ltd & Co KG Engines
The Federal Aviation Administration published this final rule in the Federal Register on March 17, 2025. It took effect on April 1, 2025. Comments closed on May 1, 2025.
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What the agency says
The FAA is superseding Airworthiness Directive (AD) 2019-05- 02, which applied to certain Rolls-Royce Deutschland Ltd & Co KG (RRD) (type certificate previously held by Rolls-Royce plc) Model RB211-Trent 970-84 and RB211-Trent 972-84 engines. AD 2019-05-02 required repetitive inspections of the drains mast for any crack and replacement or repair of the drains mast if necessary. Since the FAA issued AD 2019-05-02, the manufacturer has developed a modification (improved drains mast and drains support bracket), which the FAA has determined mitigates the unsafe condition. This AD was prompted by cracks found in the transition duct area of the drains mast. This AD requires modification with improved drains mast and drains support bracket. The FAA is issuing this AD to address the unsafe condition on these products.
Key facts
- Document number
- 2025-04214
- Type
- Final rule
- Action
- Final rule; request for comments
- Agency
- Transportation Department; Federal Aviation Administration
- Published
- March 17, 2025
- Takes effect
- April 1, 2025
- Comments due
- May 1, 2025
- Dates
- This AD is effective April 1, 2025.
- Docket
- Docket No. FAA-2025-0333; Project Identifier MCAI-2020-01208-E; Amendment 39-22976; AD 2025-05-04
- Regulation ID (RIN)
- 2120-AA64
- Code of Federal Regulations
- 14 CFR 39
- Topics
- Air transportation; Aircraft; Aviation safety; Incorporation by reference; Safety
- Pages
- 3
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Everything from the Federal Aviation Administration · Rules on air transportation · Rules on aircraft · Rules on aviation safety · Published in March 2025
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