# Airworthiness Directives; The Boeing Company Airplanes

**Action Urgency Score:** 35/100

| Field | Value |
|---|---|
| Agency | Transportation Department; Federal Aviation Administration |
| Type | Proposed rule |
| Action | Notice of proposed rulemaking (NPRM). |
| Published | 2026-11-03 |
| Comments close | 2026-12-18 |
| Significant | No |
| CFR parts | 14 CFR 39 |
| Summary | The FAA proposes to supersede Airworthiness Directive (AD) 2024-25-09, which applies to certain The Boeing Company Model 757 airplanes. AD 2024-25-09 requires installing new relays and changing certain wire bundles leading to the power transfer unit (PTU) control valve. Since the FAA issued AD 2024-25-09, the FAA determined that the requirements bulletin mandated by AD 2024-25-09 contains errors. In some cases, those errors prevent the actions required by AD 2024-25-09 from being fully accomplished. In other cases, the errors would allow actions that could introduce new hazards affecting the o |
| Document number | 2026-22383 |

## Why this score
- Upcoming deadline.

Source: Federal Register API (Office of the Federal Register) (https://www.federalregister.gov/documents/2026/11/03/2026-22383/airworthiness-directives-the-boeing-company-airplanes). Last refreshed: 2026-11-04T09:17:43.641Z.
Data from the Federal Register API; the published Federal Register document is authoritative. Informational only, not legal advice.