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

**Action Urgency Score:** 30/100

| Field | Value |
|---|---|
| Agency | Transportation Department; Federal Aviation Administration |
| Type | Final rule |
| Action | Final rule; request for comments. |
| Published | 2026-09-18 |
| Effective | 2026-09-21 |
| Comments close | 2026-11-02 |
| Significant | No |
| CFR parts | 14 CFR 39 |
| Summary | The FAA is adopting a new airworthiness directive (AD) for all Rolls-Royce Deutschland Ltd. & Co. KG (RRD) Model RB211-Trent 875-17, 877-17, 884-17, 884B-17, 892-17, 892B-17, and 895-17 engines. The FAA previously sent this AD as an emergency AD to all known U.S. owners and operators of these engines. This AD was prompted by reports of non- conformances leading to low oil pressure events on low life oil pumps. This AD requires de-pairing of engines on airplanes with two affected engines installed to ensure no more than one affected oil pump is installed on twin-engine airplanes. The FAA is iss |
| Document number | 2026-19171 |

## Why this score
- Final rule.

Source: Federal Register API (Office of the Federal Register) (https://www.federalregister.gov/documents/2026/09/18/2026-19171/airworthiness-directives-rolls-royce-deutschland-ltd-and-co-kg-engines). Last refreshed: 2026-11-03T19:10:06.902Z.
Data from the Federal Register API; the published Federal Register document is authoritative. Informational only, not legal advice.