2026-13541Proposed RuleWallet

FAA Proposes Stricter Rolls-Royce Engine Maintenance Rules

Published Date: 7/6/2026

Proposed Rule

Summary

If you operate certain Rolls-Royce Deutschland BR700 engines, the FAA wants you to update your maintenance plans with new, stricter rules to keep parts safe and sound. This means checking and replacing some engine parts sooner than before to avoid problems. Comments on these changes are open until August 20, 2026, so get ready to adjust your schedules and budgets!

Analyzed Economic Effects

4 provisions identified: 1 benefits, 3 costs, 0 mixed.

Safety: Prevent Uncontained Fan Disc Failure

The AD is intended to prevent uncontained failure of critical rotating parts, specifically low-pressure compressor (fan) disc assemblies, which could damage the airplane. The rule requires life-limit and inspection changes for the specified BR700-715 engine models to address that unsafe condition.

30-Day Maintenance Plan Update Required

If you operate Rolls-Royce BR700-715A1-30, BR700-715B1-30, or BR700-715C1-30 engines, you must revise the airworthiness limitation section (ALS) of your approved engine maintenance or inspection program within 30 days after the AD's effective date. The revision must incorporate the new or more restrictive tasks, thresholds, and intervals for life-limited parts as specified in EASA AD 2025-0086.

Estimated Compliance Cost Per Engine

The FAA estimates revising the ALS will take 1 work-hour at $85 per engine. The proposed AD would affect 218 engines on U.S.-registered airplanes, with an estimated total cost to U.S. operators of $18,530 (218 × $85).

No Unapproved Alternatives Allowed

The AD states that no alternative actions, thresholds, or intervals (including life limits) are allowed for compliance unless approved as specified in the referenced EASA AD. Operators must obtain FAA-approved alternative methods of compliance (AMOCs) before using different procedures.

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Key Dates

Published Date
Comments Due
7/6/2026
8/20/2026

Department and Agencies

Department
Independent Agency
Agency
Transportation Department
Federal Aviation Administration
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