Every article on this site is written by AI from official sources and checked by a second AI. How it works
Proposed rule

Airworthiness Directives; Rolls-Royce Deutschland Ltd & Co KG Engines

Built by the Tribune's code from the Federal Register. No AI wrote this page. Published in the Federal Register Aug. 20, 2026. Document 2026-16956. Updated Nov. 6, 2026.

What it does

The FAA proposes to supersede Airworthiness Directive (AD) 2022-11-15, which applies to all Rolls-Royce Deutschland Ltd & Co KG (RRD) Model Trent7000-72 and Trent7000-72C engines. AD 2022-11-15 requires initial and repetitive on-wing borescope inspections (BSIs) of the high-pressure turbine (HPT) blades to detect axial cracking and, depending on the results of the inspections, replacement of the HPT blade set. Since the FAA issued AD 2022-11-15, RRD issued updated service material providing improved instructions for inspection of the HPT blades, removing the reduced life limit for affected HPT blades, and revising the HPT blade limits for axial cracking. This proposed AD would continue to require initial and repetitive on-wing BSIs of the HPT blades to detect axial cracking and, depending on the results of the inspections, replacement of the HPT blade set. This proposed AD would also remove the reduced life limit for affected HPT blades. The FAA is proposing this AD to address the unsafe condition on these products.

The Federal Aviation Administration's summary, as published in the Federal Register.

What it would change

1 part of Title 14 of the Code of Federal Regulations:

14 CFR 39

Before this

957 earlier Federal Register documents under regulation identifier 2120-AA64 since Jan. 1, 2025.

Since then:

What happens next and when

The FAA must receive comments on this NPRM by October 5, 2026.

The agency's dates, word for word.

Document number2026-16956
ActionNotice of proposed rulemaking (NPRM).
AgenciesTransportation Department; Federal Aviation Administration
PublishedAug. 20, 2026
Comments closeOct. 5, 2026
Regulation identifier (RIN)2120-AA64
DocketFAA-2026-8783

Source: the Federal Register (public domain). The document in the Federal Register