2025-23-51: Nacelles/pylons
Emergency order 2025-23-51 is an airworthiness directive. The FAA's subject line: Nacelles/pylons. It names Mcdonnell Douglas MD-11: about 104 aircraft on the U.S. register today, though an order usually covers particular versions or serial numbers rather than every one. System: other and general.
What it applies to as the FAA lists it
- Kind of product
- Aircraft
- Makes
- The Boeing Company
- Models
- MD-11, MD-11F
- On this site
- Mcdonnell Douglas MD-11 104 registered
Dates and paperwork
- Replaced by
- 2025-23-53
- Status
- Historical
- The FAA's document
- Read the order on the FAA's site
Related safety bulletins advice on the same designs, not orders
2018-12-17NM-18-33 · Engine Fuel and Control
2014-11-24NM-15-03 · Flight Controls
2008-12-11NM-09-03 · Engine Fuel and Control - Implementing Fuel Tank System Airworthiness Limitations
2007-04-24NM-07-31 · Rigid hydraulic case drain lines
2006-07-27NM-06-57 · Reports of damage to airplanes and to property on the ground caused by blue or clear ice falling from airplanes.
Source: FAA Dynamic Regulatory System, airworthiness directives. The FAA's document is the authority; the register counts are this site's, from the FAA register of November 6, 2026. Connections as data: /graph/directive/2025-23-51.json · aircraft systems.