# Airworthiness Directives; CFM International, S.A. Engines

**Action Urgency Score:** 55/100

| Field | Value |
|---|---|
| Agency | Transportation Department; Federal Aviation Administration |
| Type | Proposed rule |
| Action | Notice of proposed rulemaking (NPRM). |
| Published | 2026-10-27 |
| Comments close | 2026-11-27 |
| Significant | No |
| CFR parts | 14 CFR 39 |
| Summary | The FAA proposes to adopt a new airworthiness directive (AD) for all CFM International, S.A. (CFM) Model CFM56-7B engines. This proposed AD was prompted by an event involving a CFM Model CFM56-7B26/3 engine where a fan blade separated and resulted in an engine in-flight shutdown (IFSD) with debris penetrating the fuselage, which caused a loss of pressurization and prompted an emergency descent. This proposed AD would require a visual inspection of the fan blades for findings considered not serviceable and, depending on the results of the inspection, replacement with a serviceable part and addi |
| Document number | 2026-21852 |

## Why this score
- Comment deadline within 30 days.

Source: Federal Register API (Office of the Federal Register) (https://www.federalregister.gov/documents/2026/10/27/2026-21852/airworthiness-directives-cfm-international-sa-engines). Last refreshed: 2026-11-04T21:40:49.974Z.
Data from the Federal Register API; the published Federal Register document is authoritative. Informational only, not legal advice.