# Airworthiness Directives; The Boeing Company Airplanes

**Action Urgency Score:** 45/100

| Field | Value |
|---|---|
| Agency | Transportation Department; Federal Aviation Administration |
| Type | Final rule |
| Action | Final rule. |
| Published | 2026-11-02 |
| Effective | 2026-12-07 |
| Significant | No |
| CFR parts | 14 CFR 39 |
| Summary | The FAA is superseding Airworthiness Directive (AD) 2023-07- 09, which applied to certain The Boeing Company Model 747-400 and -8 series airplanes. AD 2023-07-09 required inspecting for wear of the transfer pump housing inlet check valves and transfer pump motor impeller inlet adapters for the horizontal stabilizer fuel tank and doing corrective actions, if necessary, and limited the installation of affected parts. This AD was prompted by the manufacturer developing further action to address the unsafe condition. This AD requires repetitive inspections for damage of the transfer pump housing i |
| Document number | 2026-22317 |

## Why this score
- Upcoming deadline.
- Final rule.

Source: Federal Register API (Office of the Federal Register) (https://www.federalregister.gov/documents/2026/11/02/2026-22317/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.